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[openeuler:OLK-6.6] BUILD REGRESSION e7bc79687a034a22f94328123d5cf8c4d4436c35
by kernel test robot 24 Oct '24

24 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: e7bc79687a034a22f94328123d5cf8c4d4436c35 !12066 drm/amd/display: added NULL check at start of dc_validate_stream Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202410231921.YFrtM1y8-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410232346.tk5fQNpz-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410240121.PVeRwkG2-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410240834.gfaxos6R-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410240848.VbEcgWD6-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410240917.ylHeViWu-lkp@intel.com arch/x86/events/amd/iommu.c:441:64: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 6 [-Wformat-truncation=] arch/x86/kernel/zhaoxin_kh40000.c:87:47: error: implicit declaration of function 'iommu_get_dma_domain'; did you mean 'iommu_is_dma_domain'? [-Werror=implicit-function-declaration] arch/x86/kvm/../../../virt/kvm/vfio.c:184: warning: Excess function parameter 'kvm' description in 'cvm_vfio_add_kvm_to_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:184: warning: Function parameter or member 'kv' not described in 'cvm_vfio_add_kvm_to_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'kvf' description in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'smmu_domain_group_list' description in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'data' not described in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'dev' not described in 'find_arm_smmu_domain' drivers/crypto/ccp/hygon/tdm-kernel-guard.c:308:37: error: 'NR_syscalls' undeclared (first use in this function); did you mean 'si_syscall'? drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: 'nbl_product_base.h' file not found drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.h:10:10: fatal error: 'nbl_resource.h' file not found drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.h:10:10: fatal error: 'nbl_resource.h' file not found Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allmodconfig | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h-file-not-found | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h-file-not-found | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h-file-not-found |-- arm64-defconfig | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- loongarch-allmodconfig | `-- include-linux-dma-direct.h:fatal-error:asm-dma-direct.h:No-such-file-or-directory |-- loongarch-allnoconfig | |-- arch-loongarch-kernel-efi.c:error:incompatible-types-when-assigning-to-type-pmd_t-from-type-int | |-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) | `-- include-linux-dma-direct.h:fatal-error:asm-dma-direct.h:No-such-file-or-directory |-- x86_64-allnoconfig | |-- Warning:drivers-net-ethernet-nebula-matrix-Kconfig-references-a-file-that-doesn-t-exist:file:Documentation-networking-device_drivers-ethernet-nebula-matrix-m18110.rst | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_include-nbl_include.h:linux-pci.h-is-included-more-than-once. |-- x86_64-allyesconfig | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Excess-function-parameter-kvm-description-in-cvm_vfio_add_kvm_to_smmu_domain | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Function-parameter-or-member-kv-not-described-in-cvm_vfio_add_kvm_to_smmu_domain | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h-file-not-found | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h-file-not-found | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h-file-not-found |-- x86_64-buildonly-randconfig-001-20241024 | `-- arch-x86-kernel-zhaoxin_kh40000.c:error:implicit-declaration-of-function-iommu_get_dma_domain |-- x86_64-buildonly-randconfig-004-20241024 | `-- arch-x86-events-amd-iommu.c:warning:u-directive-output-may-be-truncated-writing-between-and-bytes-into-a-region-of-size |-- x86_64-buildonly-randconfig-005-20241024 | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-tdm-kernel-guard.c:error:use-of-undeclared-identifier-NR_syscalls | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h-file-not-found | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h-file-not-found | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h-file-not-found |-- x86_64-buildonly-randconfig-006-20241024 | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-tdm-kernel-guard.c:error:NR_syscalls-undeclared-(first-use-in-this-function) | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- x86_64-kexec | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Excess-function-parameter-kvf-description-in-find_arm_smmu_domain | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Excess-function-parameter-kvm-description-in-cvm_vfio_add_kvm_to_smmu_domain | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Excess-function-parameter-smmu_domain_group_list-description-in-find_arm_smmu_domain | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Function-parameter-or-member-data-not-described-in-find_arm_smmu_domain | |-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Function-parameter-or-member-dev-not-described-in-find_arm_smmu_domain | `-- arch-x86-kvm-..-..-..-virt-kvm-vfio.c:warning:Function-parameter-or-member-kv-not-described-in-cvm_vfio_add_kvm_to_smmu_domain |-- x86_64-randconfig-002-20241024 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-randconfig-003-20241024 | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h-file-not-found | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h-file-not-found | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h-file-not-found |-- x86_64-randconfig-004-20241024 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-randconfig-012-20241024 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-randconfig-013-20241024 | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h-file-not-found | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h-file-not-found | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h-file-not-found |-- x86_64-randconfig-161-20241024 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-rhel-8.3 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-rhel-8.3-func | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory `-- x86_64-rhel-8.3-kselftests |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory elapsed time: 1089m configs tested: 26 configs skipped: 91 tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.1.0 arm64 defconfig gcc-14.1.0 loongarch allmodconfig gcc-14.1.0 loongarch allnoconfig gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20241024 gcc-11 x86_64 buildonly-randconfig-002-20241024 gcc-12 x86_64 buildonly-randconfig-003-20241024 gcc-12 x86_64 buildonly-randconfig-004-20241024 gcc-12 x86_64 buildonly-randconfig-005-20241024 clang-18 x86_64 buildonly-randconfig-006-20241024 gcc-12 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 randconfig-001-20241024 gcc-12 x86_64 randconfig-002-20241024 gcc-12 x86_64 randconfig-003-20241024 clang-18 x86_64 randconfig-004-20241024 gcc-12 x86_64 randconfig-005-20241024 gcc-12 x86_64 randconfig-006-20241024 gcc-12 x86_64 randconfig-011-20241024 gcc-12 x86_64 randconfig-012-20241024 gcc-12 x86_64 randconfig-013-20241024 clang-18 x86_64 randconfig-014-20241024 gcc-12 x86_64 rhel-8.3 gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH openEuler-22.03-LTS-SP1] i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume
by Yipeng Zou 24 Oct '24

24 Oct '24

From: Marek Vasut <marex(a)denx.de> stable inclusion from stable-v5.10.227 commit 9b8bc33ad64192f54142396470cc34ce539a8940 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYRCQ CVE: CVE-2024-49985 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 048bbbdbf85e5e00258dfb12f5e368f908801d7b upstream. In case there is any sort of clock controller attached to this I2C bus controller, for example Versaclock or even an AIC32x4 I2C codec, then an I2C transfer triggered from the clock controller clk_ops .prepare callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex. This is because the clock controller first grabs the prepare_lock mutex and then performs the prepare operation, including its I2C access. The I2C access resumes this I2C bus controller via .runtime_resume callback, which calls clk_prepare_enable(), which attempts to grab the prepare_lock mutex again and deadlocks. Since the clock are already prepared since probe() and unprepared in remove(), use simple clk_enable()/clk_disable() calls to enable and disable the clock on runtime suspend and resume, to avoid hitting the prepare_lock mutex. Acked-by: Alain Volmat <alain.volmat(a)foss.st.com> Signed-off-by: Marek Vasut <marex(a)denx.de> Fixes: 4e7bca6fc07b ("i2c: i2c-stm32f7: add PM Runtime support") Cc: <stable(a)vger.kernel.org> # v5.0+ Signed-off-by: Andi Shyti <andi.shyti(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- drivers/i2c/busses/i2c-stm32f7.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 0f4c0282028b..da3ff7802307 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -2275,7 +2275,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev); if (!stm32f7_i2c_is_slave_registered(i2c_dev)) - clk_disable_unprepare(i2c_dev->clk); + clk_disable(i2c_dev->clk); return 0; } @@ -2286,9 +2286,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) int ret; if (!stm32f7_i2c_is_slave_registered(i2c_dev)) { - ret = clk_prepare_enable(i2c_dev->clk); + ret = clk_enable(i2c_dev->clk); if (ret) { - dev_err(dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } } -- 2.34.1

2 1

[PATCH OLK-6.6] i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume
by Yipeng Zou 24 Oct '24

24 Oct '24

From: Marek Vasut <marex(a)denx.de> stable inclusion from stable-v6.6.55 commit 22a1f8a5b56ba93d3e8b7a1dafa24e01c8bb48ba category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYRCQ CVE: CVE-2024-49985 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 048bbbdbf85e5e00258dfb12f5e368f908801d7b upstream. In case there is any sort of clock controller attached to this I2C bus controller, for example Versaclock or even an AIC32x4 I2C codec, then an I2C transfer triggered from the clock controller clk_ops .prepare callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex. This is because the clock controller first grabs the prepare_lock mutex and then performs the prepare operation, including its I2C access. The I2C access resumes this I2C bus controller via .runtime_resume callback, which calls clk_prepare_enable(), which attempts to grab the prepare_lock mutex again and deadlocks. Since the clock are already prepared since probe() and unprepared in remove(), use simple clk_enable()/clk_disable() calls to enable and disable the clock on runtime suspend and resume, to avoid hitting the prepare_lock mutex. Acked-by: Alain Volmat <alain.volmat(a)foss.st.com> Signed-off-by: Marek Vasut <marex(a)denx.de> Fixes: 4e7bca6fc07b ("i2c: i2c-stm32f7: add PM Runtime support") Cc: <stable(a)vger.kernel.org> # v5.0+ Signed-off-by: Andi Shyti <andi.shyti(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- drivers/i2c/busses/i2c-stm32f7.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 887d55ae4096..b4f10ff31102 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -2394,7 +2394,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev); if (!stm32f7_i2c_is_slave_registered(i2c_dev)) - clk_disable_unprepare(i2c_dev->clk); + clk_disable(i2c_dev->clk); return 0; } @@ -2405,9 +2405,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) int ret; if (!stm32f7_i2c_is_slave_registered(i2c_dev)) { - ret = clk_prepare_enable(i2c_dev->clk); + ret = clk_enable(i2c_dev->clk); if (ret) { - dev_err(dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } } -- 2.34.1

2 1

[PATCH OLK-5.10] i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume
by Yipeng Zou 24 Oct '24

24 Oct '24

From: Marek Vasut <marex(a)denx.de> stable inclusion from stable-v5.10.227 commit 9b8bc33ad64192f54142396470cc34ce539a8940 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYRCQ CVE: CVE-2024-49985 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 048bbbdbf85e5e00258dfb12f5e368f908801d7b upstream. In case there is any sort of clock controller attached to this I2C bus controller, for example Versaclock or even an AIC32x4 I2C codec, then an I2C transfer triggered from the clock controller clk_ops .prepare callback may trigger a deadlock on drivers/clk/clk.c prepare_lock mutex. This is because the clock controller first grabs the prepare_lock mutex and then performs the prepare operation, including its I2C access. The I2C access resumes this I2C bus controller via .runtime_resume callback, which calls clk_prepare_enable(), which attempts to grab the prepare_lock mutex again and deadlocks. Since the clock are already prepared since probe() and unprepared in remove(), use simple clk_enable()/clk_disable() calls to enable and disable the clock on runtime suspend and resume, to avoid hitting the prepare_lock mutex. Acked-by: Alain Volmat <alain.volmat(a)foss.st.com> Signed-off-by: Marek Vasut <marex(a)denx.de> Fixes: 4e7bca6fc07b ("i2c: i2c-stm32f7: add PM Runtime support") Cc: <stable(a)vger.kernel.org> # v5.0+ Signed-off-by: Andi Shyti <andi.shyti(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- drivers/i2c/busses/i2c-stm32f7.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index 7b9272f9cc21..0b4e73e63820 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -2278,7 +2278,7 @@ static int __maybe_unused stm32f7_i2c_runtime_suspend(struct device *dev) struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev); if (!stm32f7_i2c_is_slave_registered(i2c_dev)) - clk_disable_unprepare(i2c_dev->clk); + clk_disable(i2c_dev->clk); return 0; } @@ -2289,9 +2289,9 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev) int ret; if (!stm32f7_i2c_is_slave_registered(i2c_dev)) { - ret = clk_prepare_enable(i2c_dev->clk); + ret = clk_enable(i2c_dev->clk); if (ret) { - dev_err(dev, "failed to prepare_enable clock\n"); + dev_err(dev, "failed to enable clock\n"); return ret; } } -- 2.34.1

2 1

[PATCH OLK-5.10] neighbour: fix data-races around n->output
by Wang Liang 24 Oct '24

24 Oct '24

From: Eric Dumazet <edumazet(a)google.com> mainline inclusion from mainline-v6.6-rc5 commit 5baa0433a15eadd729625004c37463acb982eca7 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAZ542 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- n->output field can be read locklessly, while a writer might change the pointer concurrently. Add missing annotations to prevent load-store tearing. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet(a)google.com> Reviewed-by: David Ahern <dsahern(a)kernel.org> Signed-off-by: David S. Miller <davem(a)davemloft.net> Conflicts: net/core/neighbour.c [conflicts due to mergered 09eed1192cec ("neighbour: switch to standard rcu, instead of rcu_bh")] Signed-off-by: Wang Liang <wangliang74(a)huawei.com> --- include/net/neighbour.h | 2 +- net/bridge/br_netfilter_hooks.c | 2 +- net/core/neighbour.c | 10 +++++----- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 8e4404efd910..ef310154818e 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -514,7 +514,7 @@ static inline int neigh_output(struct neighbour *n, struct sk_buff *skb, READ_ONCE(hh->hh_len)) return neigh_hh_output(hh, skb); - return n->output(n, skb); + return READ_ONCE(n->output)(n, skb); } static inline struct neighbour * diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 119b1a36a126..a65a77eb740d 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -305,7 +305,7 @@ int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_ /* tell br_dev_xmit to continue with forwarding */ nf_bridge->bridged_dnat = 1; /* FIXME Need to refragment */ - ret = neigh->output(neigh, skb); + ret = READ_ONCE(neigh->output)(neigh, skb); } neigh_release(neigh); return ret; diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 432e3a64dc4a..168868fb8e6c 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -364,7 +364,7 @@ static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev, */ __skb_queue_purge(&n->arp_queue); n->arp_queue_len_bytes = 0; - n->output = neigh_blackhole; + WRITE_ONCE(n->output, neigh_blackhole); if (n->nud_state & NUD_VALID) n->nud_state = NUD_NOARP; else @@ -875,7 +875,7 @@ static void neigh_suspect(struct neighbour *neigh) { neigh_dbg(2, "neigh %p is suspected\n", neigh); - neigh->output = neigh->ops->output; + WRITE_ONCE(neigh->output, neigh->ops->output); } /* Neighbour state is OK; @@ -887,7 +887,7 @@ static void neigh_connect(struct neighbour *neigh) { neigh_dbg(2, "neigh %p is connected\n", neigh); - neigh->output = neigh->ops->connected_output; + WRITE_ONCE(neigh->output, neigh->ops->connected_output); } static void neigh_periodic_work(struct work_struct *work) @@ -1402,7 +1402,7 @@ static int __neigh_update(struct neighbour *neigh, const u8 *lladdr, if (n2) n1 = n2; } - n1->output(n1, skb); + READ_ONCE(n1->output)(n1, skb); if (n2) neigh_release(n2); rcu_read_unlock(); @@ -3027,7 +3027,7 @@ int neigh_xmit(int index, struct net_device *dev, rcu_read_unlock_bh(); goto out_kfree_skb; } - err = neigh->output(neigh, skb); + err = READ_ONCE(neigh->output)(neigh, skb); rcu_read_unlock_bh(); } else if (index == NEIGH_LINK_TABLE) { -- 2.34.1

2 1

[PATCH openEuler-1.0-LTS 0/8] backport some LTS patches
by Wang Liang 24 Oct '24

24 Oct '24

Ido Schimmel (1): bridge: switchdev: Allow clearing FDB entry offload indication Jonas Gorski (1): net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN Nikolay Aleksandrov (6): net: bridge: add support for sticky fdb entries net: bridge: fdb: convert is_local to bitops net: bridge: fdb: convert is_static to bitops net: bridge: fdb: convert is_sticky to bitops net: bridge: fdb: convert added_by_user to bitops net: bridge: fdb: convert added_by_external_learn to use bitops .../mellanox/mlxsw/spectrum_switchdev.c | 9 +- drivers/net/ethernet/rocker/rocker_main.c | 1 + include/net/switchdev.h | 3 +- include/uapi/linux/neighbour.h | 1 + net/bridge/br.c | 4 +- net/bridge/br_fdb.c | 128 ++++++++++-------- net/bridge/br_input.c | 2 +- net/bridge/br_private.h | 18 ++- net/bridge/br_switchdev.c | 11 +- net/dsa/slave.c | 1 + 10 files changed, 104 insertions(+), 74 deletions(-) -- 2.34.1

2 9

[openeuler:OLK-6.6 13320/15255] drivers/crypto/ccp/hygon/tdm-kernel-guard.c:308:37: error: 'NR_syscalls' undeclared; did you mean 'si_syscall'?
by kernel test robot 24 Oct '24

24 Oct '24

Hi chench00, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: 3ad98583441f7c8a2553e1e8d6340ed4397033e2 [13320/15255] crypto: tdm: Support dynamic protection for SCT and IDT by HYGON TDM config: x86_64-buildonly-randconfig-006-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240917.ylHeViWu-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240917.ylHeViWu-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240917.ylHeViWu-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/crypto/ccp/hygon/tdm-kernel-guard.c:151:5: warning: no previous prototype for 'tdm_service_run' [-Wmissing-prototypes] 151 | int tdm_service_run(struct tdm_security_enhance *data) | ^~~~~~~~~~~~~~~ drivers/crypto/ccp/hygon/tdm-kernel-guard.c:212:5: warning: no previous prototype for 'tdm_service_exit' [-Wmissing-prototypes] 212 | int tdm_service_exit(struct tdm_security_enhance *data) | ^~~~~~~~~~~~~~~~ drivers/crypto/ccp/hygon/tdm-kernel-guard.c:243:15: warning: no previous prototype for 'kprobe_symbol_address_byname' [-Wmissing-prototypes] 243 | unsigned long kprobe_symbol_address_byname(const char *name) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/crypto/ccp/hygon/tdm-kernel-guard.c: In function 'kernel_security_enhance_init': >> drivers/crypto/ccp/hygon/tdm-kernel-guard.c:308:37: error: 'NR_syscalls' undeclared (first use in this function); did you mean 'si_syscall'? 308 | eh_objs[SCT].size = NR_syscalls * sizeof(char *); | ^~~~~~~~~~~ | si_syscall drivers/crypto/ccp/hygon/tdm-kernel-guard.c:308:37: note: each undeclared identifier is reported only once for each function it appears in vim +308 drivers/crypto/ccp/hygon/tdm-kernel-guard.c 286 287 sct_addr = (unsigned long *)kallsyms_lookup_name("sys_call_table"); 288 #endif 289 if (!sct_addr) { 290 ret = -DYN_ERR_API; 291 pr_err("kallsyms_lookup_name for sys_call_table failed!"); 292 goto end; 293 } 294 295 asm("sidt %0":"=m"(idtr)); 296 297 if (!psp_check_tdm_support()) 298 return 0; 299 300 for (i = 0; i < MAX_OBJ; i++) { 301 memset(&eh_objs[i], 0, sizeof(eh_objs[i])); 302 eh_objs[i].context = CONTEXT_CHECK_MODNAME; 303 eh_objs[i].obj_name = obj_names[i]; 304 } 305 306 if ((eh_obj == -1) || (eh_obj & (1 << SCT))) { 307 eh_objs[SCT].vaddr = (uint64_t)sct_addr; > 308 eh_objs[SCT].size = NR_syscalls * sizeof(char *); 309 } 310 if ((eh_obj == -1) || (eh_obj & (1 << IDT))) { 311 eh_objs[IDT].vaddr = idtr.address; 312 eh_objs[IDT].size = idtr.size; 313 } 314 315 for (i = 0; i < MAX_OBJ; i++) { 316 if (eh_objs[i].vaddr) 317 tdm_service_run(&eh_objs[i]); 318 } 319 320 pr_info("Hygon TDM guard load successfully!\n"); 321 322 end: 323 return ret; 324 } 325 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2431/15255] arch/x86/events/amd/iommu.c:441:64: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 6
by kernel test robot 24 Oct '24

24 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: f04c0f3eb9b49427c273cd3e4d5a2ff895855b4b [2431/15255] make OPTIMIZE_INLINING config editable config: x86_64-buildonly-randconfig-004-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240834.gfaxos6R-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240834.gfaxos6R-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240834.gfaxos6R-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/x86/events/amd/iommu.c: In function 'amd_iommu_pc_init': >> arch/x86/events/amd/iommu.c:441:64: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 6 [-Wformat-truncation=] 441 | snprintf(perf_iommu->name, IOMMU_NAME_SIZE, "amd_iommu_%u", idx); | ^~ In function 'init_one_iommu', inlined from 'amd_iommu_pc_init' at arch/x86/events/amd/iommu.c:474:9: arch/x86/events/amd/iommu.c:441:53: note: directive argument in the range [0, 4294967294] 441 | snprintf(perf_iommu->name, IOMMU_NAME_SIZE, "amd_iommu_%u", idx); | ^~~~~~~~~~~~~~ arch/x86/events/amd/iommu.c:441:9: note: 'snprintf' output between 12 and 21 bytes into a destination of size 16 441 | snprintf(perf_iommu->name, IOMMU_NAME_SIZE, "amd_iommu_%u", idx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +441 arch/x86/events/amd/iommu.c 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 417 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 418 static __init int init_one_iommu(unsigned int idx) 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 419 { 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 420 struct perf_amd_iommu *perf_iommu; 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 421 int ret; 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 422 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 423 perf_iommu = kzalloc(sizeof(struct perf_amd_iommu), GFP_KERNEL); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 424 if (!perf_iommu) 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 425 return -ENOMEM; 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 426 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 427 raw_spin_lock_init(&perf_iommu->lock); 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 428 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 429 perf_iommu->pmu = iommu_pmu; 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 430 perf_iommu->iommu = get_amd_iommu(idx); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 431 perf_iommu->max_banks = amd_iommu_pc_get_max_banks(idx); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 432 perf_iommu->max_counters = amd_iommu_pc_get_max_counters(idx); 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 433 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 434 if (!perf_iommu->iommu || 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 435 !perf_iommu->max_banks || 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 436 !perf_iommu->max_counters) { 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 437 kfree(perf_iommu); f5863a00e73c43 arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-02-24 438 return -EINVAL; 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 439 } f5863a00e73c43 arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-02-24 440 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 @441 snprintf(perf_iommu->name, IOMMU_NAME_SIZE, "amd_iommu_%u", idx); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 442 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 443 ret = perf_pmu_register(&perf_iommu->pmu, perf_iommu->name, -1); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 444 if (!ret) { 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 445 pr_info("Detected AMD IOMMU #%d (%d banks, %d counters/bank).\n", 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 446 idx, perf_iommu->max_banks, perf_iommu->max_counters); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 447 list_add_tail(&perf_iommu->list, &perf_amd_iommu_list); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 448 } else { 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 449 pr_warn("Error initializing IOMMU %d.\n", idx); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 450 kfree(perf_iommu); 25df39f2cfd06a arch/x86/events/amd/iommu.c Suravee Suthikulpanit 2017-03-22 451 } 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 452 return ret; 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 453 } 7be6296fdd75f7 arch/x86/kernel/cpu/perf_event_amd_iommu.c Suravee Suthikulpanit 2013-06-05 454 :::::: The code at line 441 was first introduced by commit :::::: 25df39f2cfd06a4b49ad592c5b7cba0cbf24e27f x86/events/amd/iommu: Enable support for multiple IOMMUs :::::: TO: Suravee Suthikulpanit <suravee.suthikulpanit(a)amd.com> :::::: CC: Ingo Molnar <mingo(a)kernel.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 9626/15255] arch/x86/kernel/zhaoxin_kh40000.c:87:47: error: implicit declaration of function 'iommu_get_dma_domain'; did you mean 'iommu_is_dma_domain'?
by kernel test robot 24 Oct '24

24 Oct '24

Hi leoliu-oc, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: 4332dbb07181359cccca3ba757ef54e434fb1296 [9626/15255] Add kh40000_direct_dma_ops for KH-40000 platform config: x86_64-buildonly-randconfig-001-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240848.VbEcgWD6-lkp@…) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240848.VbEcgWD6-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240848.VbEcgWD6-lkp@intel.com/ All errors (new ones prefixed by >>): arch/x86/kernel/zhaoxin_kh40000.c: In function 'kh40000_sync_single_dma_for_cpu': >> arch/x86/kernel/zhaoxin_kh40000.c:87:47: error: implicit declaration of function 'iommu_get_dma_domain'; did you mean 'iommu_is_dma_domain'? [-Werror=implicit-function-declaration] 87 | struct iommu_domain *domain = iommu_get_dma_domain(dev); | ^~~~~~~~~~~~~~~~~~~~ | iommu_is_dma_domain arch/x86/kernel/zhaoxin_kh40000.c:87:47: warning: initialization of 'struct iommu_domain *' from 'int' makes pointer from integer without a cast [-Wint-conversion] cc1: some warnings being treated as errors vim +87 arch/x86/kernel/zhaoxin_kh40000.c 64 65 static void kh40000_sync_single_dma_for_cpu(struct device *dev, dma_addr_t paddr, 66 enum dma_data_direction dir, bool is_iommu) 67 { 68 u8 vid; 69 struct pci_dev *pci; 70 u64 dma_mask = *dev->dma_mask; 71 72 /* check direction */ 73 if ((dir != DMA_FROM_DEVICE) && (dir != DMA_BIDIRECTIONAL)) 74 return; 75 76 /* check dma capability */ 77 if (dma_mask <= DMA_BIT_MASK(32)) 78 return; 79 80 /* check device type */ 81 pci = kh40000_get_pci_dev(dev); 82 if (pci == NULL) 83 return; 84 85 /* get real physical address */ 86 if (is_iommu) { > 87 struct iommu_domain *domain = iommu_get_dma_domain(dev); 88 89 paddr = iommu_iova_to_phys(domain, paddr); 90 if (!paddr) 91 return; 92 } 93 94 /* check node or not */ 95 if ((zhaoxin_patch_code & ZHAOXIN_P2CW_NODE_CHECK) 96 && pfn_to_nid(PFN_DOWN(paddr)) == dev_to_node(dev)) 97 return; 98 99 /* flush data by one pci read cycle */ 100 pci_read_config_byte(pci, PCI_VENDOR_ID, &vid); 101 } 102 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 17239/23855] drivers/nvme/host/core.c:1163:27: error: 'compat_uptr_t' undeclared; did you mean 'compat_time_t'?
by kernel test robot 24 Oct '24

24 Oct '24

Hi Nick, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3c02090eb0ad149880a8c798014249ad2d642617 commit: b8ba22a604e4d0a3ad8e23af22f432e12b6f1a65 [17239/23855] nvme: fix compat address handling in several ioctls config: arm64-randconfig-003-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240741.LLyNQDLf-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240741.LLyNQDLf-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240741.LLyNQDLf-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/nvme/host/core.c: In function 'nvme_to_user_ptr': >> drivers/nvme/host/core.c:1163:27: error: 'compat_uptr_t' undeclared (first use in this function); did you mean 'compat_time_t'? 1163 | ptrval = (compat_uptr_t)ptrval; | ^~~~~~~~~~~~~ | compat_time_t drivers/nvme/host/core.c:1163:27: note: each undeclared identifier is reported only once for each function it appears in >> drivers/nvme/host/core.c:1163:41: error: expected ';' before 'ptrval' 1163 | ptrval = (compat_uptr_t)ptrval; | ^~~~~~ | ; vim +1163 drivers/nvme/host/core.c 1154 1155 /* 1156 * Convert integer values from ioctl structures to user pointers, silently 1157 * ignoring the upper bits in the compat case to match behaviour of 32-bit 1158 * kernels. 1159 */ 1160 static void __user *nvme_to_user_ptr(uintptr_t ptrval) 1161 { 1162 if (in_compat_syscall()) > 1163 ptrval = (compat_uptr_t)ptrval; 1164 return (void __user *)ptrval; 1165 } 1166 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 15515/23855] arch/x86/events/zhaoxin/core.c:505:12: error: redefinition of 'zhaoxin_pmu_init'
by kernel test robot 24 Oct '24

24 Oct '24

Hi LeoLiu-oc, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3c02090eb0ad149880a8c798014249ad2d642617 commit: 0ce7c3b6e8a986ee9ef92a07ae18964835446c07 [15515/23855] x86/perf: Add hardware performance events support for Zhaoxin CPU. config: x86_64-randconfig-001-20241024 (https://download.01.org/0day-ci/archive/20241024/202410240541.Jo4ftqeo-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240541.Jo4ftqeo-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240541.Jo4ftqeo-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/x86/events/zhaoxin/core.c:505:12: error: redefinition of 'zhaoxin_pmu_init' 505 | __init int zhaoxin_pmu_init(void) | ^~~~~~~~~~~~~~~~ In file included from arch/x86/events/zhaoxin/core.c:19: arch/x86/events/zhaoxin/../perf_event.h:1054:19: note: previous definition of 'zhaoxin_pmu_init' with type 'int(void)' 1054 | static inline int zhaoxin_pmu_init(void) | ^~~~~~~~~~~~~~~~ vim +/zhaoxin_pmu_init +505 arch/x86/events/zhaoxin/core.c 504 > 505 __init int zhaoxin_pmu_init(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 3122/30000] ld.lld: error: undefined symbol: latency_fsnotify
by kernel test robot 24 Oct '24

24 Oct '24

Hi Daniel, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: cee28fc9d2d62b27256317f08a526aba907e51db commit: d11dbe8b4e8ad4c5bd90147912352ef6f13a2bb6 [3122/30000] trace: Add osnoise tracer config: x86_64-randconfig-161-20241023 (https://download.01.org/0day-ci/archive/20241024/202410240554.7ps8GwXm-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240554.7ps8GwXm-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240554.7ps8GwXm-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: latency_fsnotify >>> referenced by trace_osnoise.c:933 (kernel/trace/trace_osnoise.c:933) >>> trace/trace_osnoise.o:(run_osnoise) in archive kernel/built-in.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS] BUILD REGRESSION 3c02090eb0ad149880a8c798014249ad2d642617
by kernel test robot 24 Oct '24

24 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 3c02090eb0ad149880a8c798014249ad2d642617 !12316 backport some LTS patches Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | `-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains |-- x86_64-allyesconfig | `-- drivers-net-ethernet-stmicro-stmmac-dwmac-phytium.c:error:incompatible-pointer-to-integer-conversion-returning-void-from-a-function-with-result-type-int `-- x86_64-buildonly-randconfig-003-20241024 `-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains elapsed time: 925m configs tested: 13 configs skipped: 83 tested configs: arm64 allmodconfig gcc-14.1.0 arm64 allnoconfig gcc-14.1.0 arm64 defconfig gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20241024 gcc-11 x86_64 buildonly-randconfig-002-20241024 gcc-12 x86_64 buildonly-randconfig-003-20241024 gcc-12 x86_64 buildonly-randconfig-004-20241024 gcc-12 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 rhel-8.3 gcc-12 x86_64 rhel-8.3-func gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 14224/15255] drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: 'nbl_product_base.h' file not found
by kernel test robot 24 Oct '24

24 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: bad535d287c9c1056d99de3666be7da84de4a8fc [14224/15255] Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241024/202410240121.PVeRwkG2-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410240121.PVeRwkG2-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410240121.PVeRwkG2-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.c:7: In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.h:10: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: 'nbl_product_base.h' file not found 10 | #include "nbl_product_base.h" | ^~~~~~~~~~~~~~~~~~~~ 1 error generated. -- In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:7: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.h:10:10: fatal error: 'nbl_resource.h' file not found 10 | #include "nbl_resource.h" | ^~~~~~~~~~~~~~~~ 1 error generated. -- In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.c:7: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.h:10:10: fatal error: 'nbl_resource.h' file not found 10 | #include "nbl_resource.h" | ^~~~~~~~~~~~~~~~ 1 error generated. vim +10 drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h 9 > 10 #include "nbl_product_base.h" 11 #include "nbl_def_common.h" 12 #include "nbl_def_phy.h" 13 #include "nbl_def_resource.h" 14 #include "nbl_def_dispatch.h" 15 #include "nbl_def_service.h" 16 #include "nbl_def_dev.h" 17 #include "nbl_def_channel.h" 18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 14671/15255] arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'dev' not described in 'find_arm_smmu_domain'
by kernel test robot 23 Oct '24

23 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: ad540a13eb8292fc92651b3bf281088a502a85f9 [14671/15255] virtcca feature: fix msi iova map config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241023/202410232346.tk5fQNpz-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410232346.tk5fQNpz-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410232346.tk5fQNpz-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/x86/kvm/../../../virt/kvm/vfio.c:416: warning: Function parameter or member 'kv' not described in 'cvm_vfio_add_kvm_to_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:416: warning: Excess function parameter 'kvm' description in 'cvm_vfio_add_kvm_to_smmu_domain' >> arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'dev' not described in 'find_arm_smmu_domain' >> arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'data' not described in 'find_arm_smmu_domain' >> arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'kvf' description in 'find_arm_smmu_domain' >> arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'smmu_domain_group_list' description in 'find_arm_smmu_domain' vim +519 arch/x86/kvm/../../../virt/kvm/vfio.c c57a5a1f767336 yangxiangkai 2024-09-11 512 c57a5a1f767336 yangxiangkai 2024-09-11 513 /** c57a5a1f767336 yangxiangkai 2024-09-11 514 * find_arm_smmu_domain - Find smmu domain list from kvm vfio file c57a5a1f767336 yangxiangkai 2024-09-11 515 * @kvf: Kvm vfio file c57a5a1f767336 yangxiangkai 2024-09-11 516 * @smmu_domain_group_list: List of smmu domain group c57a5a1f767336 yangxiangkai 2024-09-11 517 */ ad540a13eb8292 yangxiangkai 2024-09-20 518 int find_arm_smmu_domain(struct device *dev, void *data) c57a5a1f767336 yangxiangkai 2024-09-11 @519 { c57a5a1f767336 yangxiangkai 2024-09-11 520 int ret = 0; ad540a13eb8292 yangxiangkai 2024-09-20 521 struct iommu_domain *domain = NULL; c57a5a1f767336 yangxiangkai 2024-09-11 522 struct arm_smmu_domain *arm_smmu_domain = NULL; c57a5a1f767336 yangxiangkai 2024-09-11 523 struct arm_smmu_domain *arm_smmu_domain_node = NULL; ad540a13eb8292 yangxiangkai 2024-09-20 524 struct list_head *smmu_domain_group_list = (struct list_head *)data; c57a5a1f767336 yangxiangkai 2024-09-11 525 ad540a13eb8292 yangxiangkai 2024-09-20 526 domain = iommu_get_domain_for_dev(dev); ad540a13eb8292 yangxiangkai 2024-09-20 527 arm_smmu_domain = to_smmu_domain(domain); c57a5a1f767336 yangxiangkai 2024-09-11 528 list_for_each_entry(arm_smmu_domain_node, c57a5a1f767336 yangxiangkai 2024-09-11 529 smmu_domain_group_list, node) { c57a5a1f767336 yangxiangkai 2024-09-11 530 if (arm_smmu_domain_node == arm_smmu_domain) { c57a5a1f767336 yangxiangkai 2024-09-11 531 ret = -1; c57a5a1f767336 yangxiangkai 2024-09-11 532 break; c57a5a1f767336 yangxiangkai 2024-09-11 533 } c57a5a1f767336 yangxiangkai 2024-09-11 534 } c57a5a1f767336 yangxiangkai 2024-09-11 535 if (!ret) c57a5a1f767336 yangxiangkai 2024-09-11 536 list_add_tail(&arm_smmu_domain->node, smmu_domain_group_list); ad540a13eb8292 yangxiangkai 2024-09-20 537 ad540a13eb8292 yangxiangkai 2024-09-20 538 return 1; c57a5a1f767336 yangxiangkai 2024-09-11 539 } c57a5a1f767336 yangxiangkai 2024-09-11 540 :::::: The code at line 519 was first introduced by commit :::::: c57a5a1f767336eff9721cb833c067657ade31de virtcca feature: activate confidential vm to set security device s_s2ttbr :::::: TO: yangxiangkai <yangxiangkai(a)huawei.com> :::::: CC: yangxiangkai <yangxiangkai(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6 0/4] LoongArch: fix some 3C6000&LS7A related problems
by Hongchen Zhang 23 Oct '24

23 Oct '24

gaojuxin (1): LoongArch: Add workaround for 3C6000 about io wr/rd wusheng (1): pci/quirks: LS7A2000 enble msi zhangtianyang (1): Loongarch: Dynamic enable writecombine zhenghaowei (1): acpi: mcfg quirk: Increased multi-chip support for the 3C6000 arch/loongarch/include/asm/irq.h | 4 +- arch/loongarch/kernel/setup.c | 30 ++++++++++- arch/loongarch/kernel/smp.c | 20 ++++++- drivers/acpi/pci_mcfg.c | 13 +++++ drivers/pci/quirks.c | 13 +++++ include/asm-generic/io.h | 90 ++++++++++++++++++++++++++++++-- include/drm/drm_cache.h | 2 +- 7 files changed, 162 insertions(+), 10 deletions(-) -- 2.33.0

2 5

[openeuler:OLK-6.6 14662/15255] arch/x86/kvm/../../../virt/kvm/vfio.c:184: warning: Function parameter or member 'kv' not described in 'cvm_vfio_add_kvm_to_smmu_domain'
by kernel test robot 23 Oct '24

23 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: a8078c65197c6f2034431a431780538c7c324f79 [14662/15255] virtcca feature: bind the kvm handle of cvm with smmu domain config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241023/202410231921.YFrtM1y8-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410231921.YFrtM1y8-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410231921.YFrtM1y8-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/kvm/../../../virt/kvm/vfio.c:184: warning: Function parameter or member 'kv' not described in 'cvm_vfio_add_kvm_to_smmu_domain' >> arch/x86/kvm/../../../virt/kvm/vfio.c:184: warning: Excess function parameter 'kvm' description in 'cvm_vfio_add_kvm_to_smmu_domain' vim +184 arch/x86/kvm/../../../virt/kvm/vfio.c 172 173 /** 174 * cvm_vfio_add_kvm_to_smmu_domain - Bind the confidential 175 * virtual machine to smmu domain 176 * @filp: The handle of file 177 * @kvm: The kvm belone to confidential virtual machine 178 * 179 * Returns: 180 * %-ENXIO if set kvm failed or iommu group is null 181 * %0 if set kvm success 182 */ 183 static int cvm_vfio_add_kvm_to_smmu_domain(struct file *filp, struct kvm_vfio *kv) > 184 { 185 struct iommu_group *iommu_group; 186 int ret = 0; 187 188 if (!is_virtcca_cvm_enable()) 189 return ret; 190 191 mutex_unlock(&kv->lock); 192 iommu_group = cvm_vfio_file_iommu_group(filp); 193 if (!iommu_group) { 194 ret = -ENXIO; 195 goto out_lock; 196 } 197 if (cvm_arm_smmu_domain_set_kvm((void *)iommu_group)) { 198 ret = -ENXIO; 199 goto out_lock; 200 } 201 202 out_lock: 203 mutex_lock(&kv->lock); 204 return ret; 205 } 206 #endif 207 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH openEuler-22.03-LTS-SP1 0/1] CVE-2024-35990
by Yongqiang Liu 23 Oct '24

23 Oct '24

Sean Anderson (1): dma: xilinx_dpdma: Fix locking drivers/dma/xilinx/xilinx_dpdma.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) -- 2.34.1

2 2

[PATCH OLK-5.10] of: module: prevent NULL pointer dereference in vsnprintf()
by Chen Jun 23 Oct '24

23 Oct '24

From: Sergey Shtylyov <s.shtylyov(a)omp.ru> mainline inclusion from mainline-v6.9-rc3 commit a1aa5390cc912934fee76ce80af5f940452fa987 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9QG8R CVE: CVE-2024-35878 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprintf() takes size_t parameter while ours is ssize_t... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool. Signed-off-by: Sergey Shtylyov <s.shtylyov(a)omp.ru> Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/1d211023-3923-685b-20f0-f3f90ea56e1f@omp.ru Signed-off-by: Rob Herring <robh(a)kernel.org> Conflicts: drivers/of/device.c drivers/of/module.c [chenjun: context conflicts. of_modalias() is not extracted from of_device_get_modalias().] Signed-off-by: Chen Jun <chenjun102(a)huawei.com> --- drivers/of/device.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/of/device.c b/drivers/of/device.c index 93f08f18f6b3..0b1d317acb88 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -226,6 +226,14 @@ static ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len if ((!dev) || (!dev->of_node)) return -ENODEV; + /* + * Prevent a kernel oops in vsnprintf() -- it only allows passing a + * NULL ptr when the length is also 0. Also filter out the negative + * lengths... + */ + if ((len > 0 && !str) || len < 0) + return -EINVAL; + /* Name & Type */ /* %p eats all alphanum characters, so %c must be used here */ csize = snprintf(str, len, "of:N%pOFn%c%s", dev->of_node, 'T', -- 2.17.1

2 1

[PATCH 1/5] pmdomain: ti-sci: Add missing of_node_put() for args.np
by Zhang Zekun 23 Oct '24

23 Oct '24

of_parse_phandle_with_args() need to call of_node_put() to decerement the refcount of args.np. Adding backing the missing of_node_put(). Fixes: efa5c01cd7ee ("soc: ti: ti_sci_pm_domains: switch to use multiple genpds instead of one") Signed-off-by: Zhang Zekun <zhangzekun11(a)huawei.com> --- drivers/pmdomain/ti/ti_sci_pm_domains.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pmdomain/ti/ti_sci_pm_domains.c b/drivers/pmdomain/ti/ti_sci_pm_domains.c index 1510d5ddae3d..0df3eb7ff09a 100644 --- a/drivers/pmdomain/ti/ti_sci_pm_domains.c +++ b/drivers/pmdomain/ti/ti_sci_pm_domains.c @@ -161,6 +161,7 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) break; if (args.args_count >= 1 && args.np == dev->of_node) { + of_node_put(args.np); if (args.args[0] > max_id) { max_id = args.args[0]; } else { @@ -192,7 +193,10 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) pm_genpd_init(&pd->pd, NULL, true); list_add(&pd->node, &pd_provider->pd_list); + } else { + of_node_put(args.np); } + index++; } } -- 2.17.1

1 0

[PATCH OLK-5.10] nvmet: fix a possible leak when destroy a ctrl during qp establishment
by Chen Jun 23 Oct '24

23 Oct '24

From: Sagi Grimberg <sagi(a)grimberg.me> stable inclusion from stable-v5.10.222 commit 2f3c22b1d3d7e86712253244797a651998c141fa category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGSQU CVE: CVE-2024-42152 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit c758b77d4a0a0ed3a1292b3fd7a2aeccd1a169a4 ] In nvmet_sq_destroy we capture sq->ctrl early and if it is non-NULL we know that a ctrl was allocated (in the admin connect request handler) and we need to release pending AERs, clear ctrl->sqs and sq->ctrl (for nvme-loop primarily), and drop the final reference on the ctrl. However, a small window is possible where nvmet_sq_destroy starts (as a result of the client giving up and disconnecting) concurrently with the nvme admin connect cmd (which may be in an early stage). But *before* kill_and_confirm of sq->ref (i.e. the admin connect managed to get an sq live reference). In this case, sq->ctrl was allocated however after it was captured in a local variable in nvmet_sq_destroy. This prevented the final reference drop on the ctrl. Solve this by re-capturing the sq->ctrl after all inflight request has completed, where for sure sq->ctrl reference is final, and move forward based on that. This issue was observed in an environment with many hosts connecting multiple ctrls simoutanuosly, creating a delay in allocating a ctrl leading up to this race window. Reported-by: Alex Turin <alex(a)vastdata.com> Signed-off-by: Sagi Grimberg <sagi(a)grimberg.me> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Signed-off-by: Keith Busch <kbusch(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Chen Jun <chenjun102(a)huawei.com> --- drivers/nvme/target/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index a320eb5b2133..facd49ab3659 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -795,6 +795,15 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) wait_for_completion(&sq->free_done); percpu_ref_exit(&sq->ref); + /* + * we must reference the ctrl again after waiting for inflight IO + * to complete. Because admin connect may have sneaked in after we + * store sq->ctrl locally, but before we killed the percpu_ref. the + * admin connect allocates and assigns sq->ctrl, which now needs a + * final ref put, as this ctrl is going away. + */ + ctrl = sq->ctrl; + if (ctrl) { /* * The teardown flow may take some time, and the host may not -- 2.17.1

2 1

[PATCH OLK-5.10 0/1] CVE-2024-43894
by Yongqiang Liu 23 Oct '24

23 Oct '24

Ma Ke (1): drm/client: fix null pointer dereference in drm_client_modeset_probe drivers/gpu/drm/drm_client_modeset.c | 5 +++++ 1 file changed, 5 insertions(+) -- 2.25.1

2 2

[PATCH openEuler-22.03-LTS-SP1 0/1] CVE-2024-43894
by Yongqiang Liu 23 Oct '24

23 Oct '24

Ma Ke (1): drm/client: fix null pointer dereference in drm_client_modeset_probe drivers/gpu/drm/drm_client_modeset.c | 5 +++++ 1 file changed, 5 insertions(+) -- 2.25.1

2 2

[PATCH openEuler-22.03-LTS-SP1 0/1] CVE-2023-52855
by Yongqiang Liu 23 Oct '24

23 Oct '24

Jia-Ju Bai (1): usb: dwc2: fix possible NULL pointer dereference caused by driver concurrency drivers/usb/dwc2/hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.34.1

2 2

[PATCH OLK-6.6] drm/amd/display: Add NULL pointer check for kzalloc
by Chen Jun 23 Oct '24

23 Oct '24

From: Hersen Wu <hersenxs.wu(a)amd.com> mainline inclusion from mainline-v6.10-rc1 commit 8e65a1b7118acf6af96449e1e66b7adbc9396912 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAGSKH CVE: CVE-2024-42122 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- [Why & How] Check return pointer of kzalloc before using it. Reviewed-by: Alex Hung <alex.hung(a)amd.com> Acked-by: Wayne Lin <wayne.lin(a)amd.com> Signed-off-by: Hersen Wu <hersenxs.wu(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Conflicts: drivers/gpu/drm/amd/display/dc/resource/dcn30/dcn30_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn321/dcn321_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c [Fix context conflicts] Signed-off-by: Chen Jun <chenjun102(a)huawei.com> --- .../gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c | 8 ++++++++ .../gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c | 8 ++++++++ drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 3 +++ drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 5 +++++ drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 5 +++++ drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c | 2 ++ drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c | 2 ++ drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 5 +++++ drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c | 2 ++ 9 files changed, 40 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c index 3271c8c7905d..4e036356b6a8 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c @@ -560,11 +560,19 @@ void dcn3_clk_mgr_construct( dce_clock_read_ss_info(clk_mgr); clk_mgr->base.bw_params = kzalloc(sizeof(*clk_mgr->base.bw_params), GFP_KERNEL); + if (!clk_mgr->base.bw_params) { + BREAK_TO_DEBUGGER(); + return; + } /* need physical address of table to give to PMFW */ clk_mgr->wm_range_table = dm_helpers_allocate_gpu_mem(clk_mgr->base.ctx, DC_MEM_ALLOC_TYPE_GART, sizeof(WatermarksExternal_t), &clk_mgr->wm_range_table_addr); + if (!clk_mgr->wm_range_table) { + BREAK_TO_DEBUGGER(); + return; + } } void dcn3_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 2428a4763b85..1c5ae4d62e37 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -1022,11 +1022,19 @@ void dcn32_clk_mgr_construct( clk_mgr->smu_present = false; clk_mgr->base.bw_params = kzalloc(sizeof(*clk_mgr->base.bw_params), GFP_KERNEL); + if (!clk_mgr->base.bw_params) { + BREAK_TO_DEBUGGER(); + return; + } /* need physical address of table to give to PMFW */ clk_mgr->wm_range_table = dm_helpers_allocate_gpu_mem(clk_mgr->base.ctx, DC_MEM_ALLOC_TYPE_GART, sizeof(WatermarksExternal_t), &clk_mgr->wm_range_table_addr); + if (!clk_mgr->wm_range_table) { + BREAK_TO_DEBUGGER(); + return; + } } void dcn32_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 88c0b24a3249..de83acd12250 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -2045,6 +2045,9 @@ bool dcn30_validate_bandwidth(struct dc *dc, BW_VAL_TRACE_COUNT(); + if (!pipes) + goto validate_fail; + DC_FP_START(); out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate, true); DC_FP_END(); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index 82de4fe2637f..84e3df49be2f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -1308,6 +1308,8 @@ static struct hpo_dp_link_encoder *dcn31_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ hpo_dp_link_encoder31_construct(hpo_dp_enc31, ctx, inst, &hpo_dp_link_enc_regs[inst], @@ -1764,6 +1766,9 @@ bool dcn31_validate_bandwidth(struct dc *dc, BW_VAL_TRACE_COUNT(); + if (!pipes) + goto validate_fail; + DC_FP_START(); out = dcn30_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate, true); DC_FP_END(); diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index 3e65e683db0a..6e52851bc031 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -1381,6 +1381,8 @@ static struct hpo_dp_link_encoder *dcn31_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ hpo_dp_link_encoder31_construct(hpo_dp_enc31, ctx, inst, &hpo_dp_link_enc_regs[inst], @@ -1741,6 +1743,9 @@ bool dcn314_validate_bandwidth(struct dc *dc, BW_VAL_TRACE_COUNT(); + if (!pipes) + goto validate_fail; + if (filter_modes_for_single_channel_workaround(dc, context)) goto validate_fail; diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c index 71e8bd675cd8..597fa0364a3a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c @@ -1308,6 +1308,8 @@ static struct hpo_dp_link_encoder *dcn31_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ hpo_dp_link_encoder31_construct(hpo_dp_enc31, ctx, inst, &hpo_dp_link_enc_regs[inst], diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c index 5fe2c61527df..37b7973fc949 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c @@ -1305,6 +1305,8 @@ static struct hpo_dp_link_encoder *dcn31_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ hpo_dp_link_encoder31_construct(hpo_dp_enc31, ctx, inst, &hpo_dp_link_enc_regs[inst], diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index f9d601c8c721..4d4ff13a2af8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -1299,6 +1299,8 @@ static struct hpo_dp_link_encoder *dcn32_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ #undef REG_STRUCT #define REG_STRUCT hpo_dp_link_enc_regs @@ -1842,6 +1844,9 @@ bool dcn32_validate_bandwidth(struct dc *dc, BW_VAL_TRACE_COUNT(); + if (!pipes) + goto validate_fail; + DC_FP_START(); out = dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate); DC_FP_END(); diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c index aa4c64eec7b3..4289cd1643ec 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c @@ -1285,6 +1285,8 @@ static struct hpo_dp_link_encoder *dcn321_hpo_dp_link_encoder_create( /* allocate HPO link encoder */ hpo_dp_enc31 = kzalloc(sizeof(struct dcn31_hpo_dp_link_encoder), GFP_KERNEL); + if (!hpo_dp_enc31) + return NULL; /* out of memory */ #undef REG_STRUCT #define REG_STRUCT hpo_dp_link_enc_regs -- 2.17.1

2 1

[PATCH openEuler-22.03-LTS-SP1] ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
by Li Huafei 23 Oct '24

23 Oct '24

From: Jinjie Ruan <ruanjinjie(a)huawei.com> stable inclusion from stable-v5.10.227 commit ef7e34237e2612b116a84c9640628a6f7a0d693e category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQQS CVE: CVE-2023-52917 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit e229897d373a87ee09ec5cc4ecd4bb2f895fc16b ] The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jinjie Ruan <ruanjinjie(a)huawei.com> Reviewed-by: Dave Jiang <dave.jiang(a)intel.com> Signed-off-by: Jon Mason <jdmason(a)kudzu.us> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/ntb/hw/intel/ntb_hw_gen1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 093dd20057b9..858bf5268dda 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = -- 2.25.1

2 1

[PATCH OLK-5.10] ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
by Li Huafei 23 Oct '24

23 Oct '24

From: Jinjie Ruan <ruanjinjie(a)huawei.com> stable inclusion from stable-v5.10.227 commit ef7e34237e2612b116a84c9640628a6f7a0d693e category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQQS CVE: CVE-2023-52917 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit e229897d373a87ee09ec5cc4ecd4bb2f895fc16b ] The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jinjie Ruan <ruanjinjie(a)huawei.com> Reviewed-by: Dave Jiang <dave.jiang(a)intel.com> Signed-off-by: Jon Mason <jdmason(a)kudzu.us> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/ntb/hw/intel/ntb_hw_gen1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 1aa230c9e5c7..8729398498db 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = -- 2.25.1

2 1

[PATCH OLK-6.6] ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
by Li Huafei 23 Oct '24

23 Oct '24

From: Jinjie Ruan <ruanjinjie(a)huawei.com> stable inclusion from stable-v6.6.54 commit 16e5bed6c1883b19f9fcbdff996aa3381954d5f3 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQQS CVE: CVE-2023-52917 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit e229897d373a87ee09ec5cc4ecd4bb2f895fc16b ] The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Fixes: e26a5843f7f5 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jinjie Ruan <ruanjinjie(a)huawei.com> Reviewed-by: Dave Jiang <dave.jiang(a)intel.com> Signed-off-by: Jon Mason <jdmason(a)kudzu.us> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/ntb/hw/intel/ntb_hw_gen1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 9ab836d0d4f1..079b8cd79785 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = -- 2.25.1

2 1

[PATCH OLK-5.10] drm/nouveau: prime: fix refcount underflow
by Chen Jun 23 Oct '24

23 Oct '24

From: Danilo Krummrich <dakr(a)kernel.org> stable inclusion from stable-v5.10.224 commit 906372e753c5027a1dc88743843b6aa2ad1aaecf category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IALCQI CVE: CVE-2024-43867 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit a9bf3efc33f1fbf88787a277f7349459283c9b95 ] Calling nouveau_bo_ref() on a nouveau_bo without initializing it (and hence the backing ttm_bo) leads to a refcount underflow. Instead of calling nouveau_bo_ref() in the unwind path of drm_gem_object_init(), clean things up manually. Fixes: ab9ccb96a6e6 ("drm/nouveau: use prime helpers") Reviewed-by: Ben Skeggs <bskeggs(a)nvidia.com> Reviewed-by: Christian König <christian.koenig(a)amd.com> Signed-off-by: Danilo Krummrich <dakr(a)kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240718165959.3983-2-dakr@ke… (cherry picked from commit 1b93f3e89d03cfc576636e195466a0d728ad8de5) Signed-off-by: Danilo Krummrich <dakr(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Chen Jun <chenjun102(a)huawei.com> --- drivers/gpu/drm/nouveau/nouveau_prime.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index f08bda533bd9..65874a48dc80 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -81,7 +81,8 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev, * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(dev, &nvbo->bo.base, size); if (ret) { - nouveau_bo_ref(NULL, &nvbo); + drm_gem_object_release(&nvbo->bo.base); + kfree(nvbo); obj = ERR_PTR(-ENOMEM); goto unlock; } -- 2.17.1

2 1

[PATCH OLK-6.6] LoongArch: prevent LS7A Bus Master clearing on kexec
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Ming Wang <wangming01(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3M1 -------------------------------- This is similar to commit 62b6dee1b44a ("PCI/portdrv: Prevent LS7A Bus Master clearing on shutdown"), which prevents LS7A Bus Master clearing on kexec. The key point of this is to work around the LS7A defect that clearing PCI_COMMAND_MASTER prevents MMIO requests from going downstream, and we may need to do that even after .shutdown(), e.g., to print console messages. And in this case we rely on .shutdown() for the downstream devices to disable interrupts and DMA. Only skip Bus Master clearing on bridges because endpoint devices still need it. Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Ming Wang <wangming01(a)loongson.cn> --- drivers/pci/pci-driver.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 9c59bf03d657..b699839a7d4f 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -526,7 +526,11 @@ static void pci_device_shutdown(struct device *dev) * If it is not a kexec reboot, firmware will hit the PCI * devices with big hammer and stop their DMA any way. */ +#ifdef CONFIG_LOONGARCH + if (kexec_in_progress && !pci_is_bridge(pci_dev) && (pci_dev->current_state <= PCI_D3hot)) +#else if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot)) +#endif pci_clear_master(pci_dev); } -- 2.33.0

2 1

[PATCH OLK-6.6] LoongArch: Add AVEC irqchip support
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Tianyang Zhang <zhangtianyang(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3D3 -------------------------------- Introduce the advanced extended interrupt controllers (AVECINTC). This feature will allow each core to have 256 independent interrupt vectors and MSI interrupts can be independently routed to any vector on any CPU. Co-developed-by: Jianmin Lv <lvjianmin(a)loongson.cn> Signed-off-by: Jianmin Lv <lvjianmin(a)loongson.cn> Co-developed-by: Liupu Wang <wangliupu(a)loongson.cn> Signed-off-by: Liupu Wang <wangliupu(a)loongson.cn> Co-developed-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Tianyang Zhang <zhangtianyang(a)loongson.cn> --- .../arch/loongarch/irq-chip-model.rst | 32 ++ .../zh_CN/arch/loongarch/irq-chip-model.rst | 32 ++ arch/loongarch/Kconfig | 1 + arch/loongarch/include/asm/cpu-features.h | 1 + arch/loongarch/include/asm/cpu.h | 2 + arch/loongarch/include/asm/hardirq.h | 3 +- arch/loongarch/include/asm/irq.h | 29 +- arch/loongarch/include/asm/loongarch.h | 18 +- arch/loongarch/include/asm/smp.h | 2 + arch/loongarch/kernel/cpu-probe.c | 3 +- arch/loongarch/kernel/irq.c | 13 + arch/loongarch/kernel/legacy_boot.h | 10 + arch/loongarch/kernel/smp.c | 6 + drivers/irqchip/Makefile | 2 +- drivers/irqchip/irq-loongarch-avec.c | 452 ++++++++++++++++++ drivers/irqchip/irq-loongarch-cpu.c | 7 +- drivers/irqchip/irq-loongson-eiointc.c | 9 +- drivers/irqchip/irq-loongson-htvec.c | 2 + drivers/irqchip/irq-loongson-liointc.c | 2 + drivers/irqchip/irq-loongson-pch-lpc.c | 2 + drivers/irqchip/irq-loongson-pch-msi.c | 44 +- drivers/irqchip/irq-loongson-pch-pic.c | 2 + drivers/irqchip/irq-loongson.h | 27 ++ include/linux/cpuhotplug.h | 4 + 24 files changed, 675 insertions(+), 30 deletions(-) create mode 100644 drivers/irqchip/irq-loongarch-avec.c create mode 100644 drivers/irqchip/irq-loongson.h diff --git a/Documentation/arch/loongarch/irq-chip-model.rst b/Documentation/arch/loongarch/irq-chip-model.rst index 7988f4192363..6dd48256e39f 100644 --- a/Documentation/arch/loongarch/irq-chip-model.rst +++ b/Documentation/arch/loongarch/irq-chip-model.rst @@ -85,6 +85,38 @@ to CPUINTC directly:: | Devices | +---------+ +Advanced Extended IRQ model +=========================== + +In this model, IPI (Inter-Processor Interrupt) and CPU Local Timer interrupt go +to CPUINTC directly, CPU UARTS interrupts go to LIOINTC, PCH-MSI interrupts go +to AVECINTC, and then go to CPUINTC directly, while all other devices interrupts +go to PCH-PIC/PCH-LPC and gathered by EIOINTC, and then go to CPUINTC directly:: + + +-----+ +-----------------------+ +-------+ + | IPI | --> | CPUINTC | <-- | Timer | + +-----+ +-----------------------+ +-------+ + ^ ^ ^ + | | | + +---------+ +----------+ +---------+ +-------+ + | EIOINTC | | AVECINTC | | LIOINTC | <-- | UARTs | + +---------+ +----------+ +---------+ +-------+ + ^ ^ + | | + +---------+ +---------+ + | PCH-PIC | | PCH-MSI | + +---------+ +---------+ + ^ ^ ^ + | | | + +---------+ +---------+ +---------+ + | Devices | | PCH-LPC | | Devices | + +---------+ +---------+ +---------+ + ^ + | + +---------+ + | Devices | + +---------+ + ACPI-related definitions ======================== diff --git a/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst b/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst index f1e9ab18206c..472761938682 100644 --- a/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst +++ b/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst @@ -87,6 +87,38 @@ PCH-LPC/PCH-MSI，然后被EIOINTC统一收集，再直接到达CPUINTC:: | Devices | +---------+ +高级扩展IRQ模型 +=============== + +在这种模型里面，IPI（Inter-Processor Interrupt）和CPU本地时钟中断直接发送到CPUINTC， +CPU串口（UARTs）中断发送到LIOINTC，PCH-MSI中断发送到AVECINTC，而后通过AVECINTC直接 +送达CPUINTC，而其他所有设备的中断则分别发送到所连接的PCH-PIC/PCH-LPC，然后由EIOINTC +统一收集，再直接到达CPUINTC:: + + +-----+ +-----------------------+ +-------+ + | IPI | --> | CPUINTC | <-- | Timer | + +-----+ +-----------------------+ +-------+ + ^ ^ ^ + | | | + +---------+ +----------+ +---------+ +-------+ + | EIOINTC | | AVECINTC | | LIOINTC | <-- | UARTs | + +---------+ +----------+ +---------+ +-------+ + ^ ^ + | | + +---------+ +---------+ + | PCH-PIC | | PCH-MSI | + +---------+ +---------+ + ^ ^ ^ + | | | + +---------+ +---------+ +---------+ + | Devices | | PCH-LPC | | Devices | + +---------+ +---------+ +---------+ + ^ + | + +---------+ + | Devices | + +---------+ + ACPI相关的定义 ============== diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 58da6e03ecb5..710ec4831887 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -77,6 +77,7 @@ config LOONGARCH select GENERIC_ENTRY select GENERIC_GETTIMEOFDAY select GENERIC_IOREMAP if !ARCH_IOREMAP + select GENERIC_IRQ_MATRIX_ALLOCATOR select GENERIC_IRQ_MULTI_HANDLER select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW diff --git a/arch/loongarch/include/asm/cpu-features.h b/arch/loongarch/include/asm/cpu-features.h index 2eafe6a6aca8..16a716f88a5c 100644 --- a/arch/loongarch/include/asm/cpu-features.h +++ b/arch/loongarch/include/asm/cpu-features.h @@ -65,5 +65,6 @@ #define cpu_has_guestid cpu_opt(LOONGARCH_CPU_GUESTID) #define cpu_has_hypervisor cpu_opt(LOONGARCH_CPU_HYPERVISOR) #define cpu_has_ptw cpu_opt(LOONGARCH_CPU_PTW) +#define cpu_has_avecint cpu_opt(LOONGARCH_CPU_AVECINT) #endif /* __ASM_CPU_FEATURES_H */ diff --git a/arch/loongarch/include/asm/cpu.h b/arch/loongarch/include/asm/cpu.h index 48b9f7168bcc..843f9c4ec980 100644 --- a/arch/loongarch/include/asm/cpu.h +++ b/arch/loongarch/include/asm/cpu.h @@ -99,6 +99,7 @@ enum cpu_type_enum { #define CPU_FEATURE_GUESTID 24 /* CPU has GuestID feature */ #define CPU_FEATURE_HYPERVISOR 25 /* CPU has hypervisor (running in VM) */ #define CPU_FEATURE_PTW 26 /* CPU has hardware page table walker */ +#define CPU_FEATURE_AVECINT 27 /* CPU has avec interrupt */ #define LOONGARCH_CPU_CPUCFG BIT_ULL(CPU_FEATURE_CPUCFG) #define LOONGARCH_CPU_LAM BIT_ULL(CPU_FEATURE_LAM) @@ -127,5 +128,6 @@ enum cpu_type_enum { #define LOONGARCH_CPU_GUESTID BIT_ULL(CPU_FEATURE_GUESTID) #define LOONGARCH_CPU_HYPERVISOR BIT_ULL(CPU_FEATURE_HYPERVISOR) #define LOONGARCH_CPU_PTW BIT_ULL(CPU_FEATURE_PTW) +#define LOONGARCH_CPU_AVECINT BIT_ULL(CPU_FEATURE_AVECINT) #endif /* _ASM_CPU_H */ diff --git a/arch/loongarch/include/asm/hardirq.h b/arch/loongarch/include/asm/hardirq.h index b26d596a73aa..5f70cb77b54d 100644 --- a/arch/loongarch/include/asm/hardirq.h +++ b/arch/loongarch/include/asm/hardirq.h @@ -15,8 +15,9 @@ extern void ack_bad_irq(unsigned int irq); enum ipi_msg_type { IPI_RESCHEDULE, IPI_CALL_FUNCTION, + IPI_CLEAR_VECTOR, }; -#define NR_IPI 2 +#define NR_IPI 3 typedef struct { unsigned int ipi_irqs[NR_IPI]; diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h index 79f4c834ffe8..fc600aed50c8 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -39,6 +39,17 @@ void spurious_interrupt(void); #define NR_IRQS_LEGACY 16 +/* + * 256 Vectors Mapping for AVECINTC: + * + * 0 - 15: Mapping classic IPs, e.g. IP0-12. + * 16 - 255: Mapping vectors for external IRQ. + * + */ +#define NR_VECTORS 256 +#define NR_LEGACY_VECTORS 16 +#define IRQ_MATRIX_BITS NR_VECTORS + #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace extern bool arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu); @@ -67,7 +78,7 @@ extern struct acpi_vector_group msi_group[MAX_IO_PICS]; #define LOONGSON_LPC_LAST_IRQ (LOONGSON_LPC_IRQ_BASE + 15) #define LOONGSON_CPU_IRQ_BASE 16 -#define LOONGSON_CPU_LAST_IRQ (LOONGSON_CPU_IRQ_BASE + 14) +#define LOONGSON_CPU_LAST_IRQ (LOONGSON_CPU_IRQ_BASE + 15) #define LOONGSON_PCH_IRQ_BASE 64 #define LOONGSON_PCH_ACPI_IRQ (LOONGSON_PCH_IRQ_BASE + 47) @@ -90,20 +101,8 @@ struct acpi_madt_bio_pic; struct acpi_madt_msi_pic; struct acpi_madt_lpc_pic; -int liointc_acpi_init(struct irq_domain *parent, - struct acpi_madt_lio_pic *acpi_liointc); -int eiointc_acpi_init(struct irq_domain *parent, - struct acpi_madt_eio_pic *acpi_eiointc); - -int htvec_acpi_init(struct irq_domain *parent, - struct acpi_madt_ht_pic *acpi_htvec); -int pch_lpc_acpi_init(struct irq_domain *parent, - struct acpi_madt_lpc_pic *acpi_pchlpc); -int pch_msi_acpi_init(struct irq_domain *parent, - struct acpi_madt_msi_pic *acpi_pchmsi); -int pch_pic_acpi_init(struct irq_domain *parent, - struct acpi_madt_bio_pic *acpi_pchpic); -int find_pch_pic(u32 gsi); +void complete_irq_moving(void); + struct fwnode_handle *get_pch_msi_handle(int pci_segment); extern struct acpi_madt_lio_pic *acpi_liointc; diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h index e852c0f62eb7..964bcfe08d8a 100644 --- a/arch/loongarch/include/asm/loongarch.h +++ b/arch/loongarch/include/asm/loongarch.h @@ -254,8 +254,8 @@ #define CSR_ESTAT_EXC_WIDTH 6 #define CSR_ESTAT_EXC (_ULCAST_(0x3f) << CSR_ESTAT_EXC_SHIFT) #define CSR_ESTAT_IS_SHIFT 0 -#define CSR_ESTAT_IS_WIDTH 14 -#define CSR_ESTAT_IS (_ULCAST_(0x3fff) << CSR_ESTAT_IS_SHIFT) +#define CSR_ESTAT_IS_WIDTH 15 +#define CSR_ESTAT_IS (_ULCAST_(0x7fff) << CSR_ESTAT_IS_SHIFT) #define LOONGARCH_CSR_ERA 0x6 /* ERA */ @@ -650,6 +650,13 @@ #define LOONGARCH_CSR_CTAG 0x98 /* TagLo + TagHi */ +#define LOONGARCH_CSR_ISR0 0xa0 +#define LOONGARCH_CSR_ISR1 0xa1 +#define LOONGARCH_CSR_ISR2 0xa2 +#define LOONGARCH_CSR_ISR3 0xa3 + +#define LOONGARCH_CSR_IRR 0xa4 + #define LOONGARCH_CSR_PRID 0xc0 /* Shadow MCSR : 0xc0 ~ 0xff */ @@ -1004,7 +1011,7 @@ /* * CSR_ECFG IM */ -#define ECFG0_IM 0x00001fff +#define ECFG0_IM 0x00005fff #define ECFGB_SIP0 0 #define ECFGF_SIP0 (_ULCAST_(1) << ECFGB_SIP0) #define ECFGB_SIP1 1 @@ -1047,6 +1054,7 @@ #define IOCSRF_EIODECODE BIT_ULL(9) #define IOCSRF_FLATMODE BIT_ULL(10) #define IOCSRF_VM BIT_ULL(11) +#define IOCSRF_AVEC BIT_ULL(15) #define LOONGARCH_IOCSR_VENDOR 0x10 @@ -1057,6 +1065,7 @@ #define LOONGARCH_IOCSR_MISC_FUNC 0x420 #define IOCSR_MISC_FUNC_TIMER_RESET BIT_ULL(21) #define IOCSR_MISC_FUNC_EXT_IOI_EN BIT_ULL(48) +#define IOCSR_MISC_FUNC_AVEC_EN BIT_ULL(51) #define LOONGARCH_IOCSR_CPUTEMP 0x428 @@ -1378,9 +1387,10 @@ __BUILD_CSR_OP(tlbidx) #define INT_TI 11 /* Timer */ #define INT_IPI 12 #define INT_NMI 13 +#define INT_AVEC 14 /* ExcCodes corresponding to interrupts */ -#define EXCCODE_INT_NUM (INT_NMI + 1) +#define EXCCODE_INT_NUM (INT_AVEC + 1) #define EXCCODE_INT_START 64 #define EXCCODE_INT_END (EXCCODE_INT_START + EXCCODE_INT_NUM - 1) diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h index 75d30529748c..630e5ebec21c 100644 --- a/arch/loongarch/include/asm/smp.h +++ b/arch/loongarch/include/asm/smp.h @@ -67,9 +67,11 @@ extern int __cpu_logical_map[NR_CPUS]; #define ACTION_BOOT_CPU 0 #define ACTION_RESCHEDULE 1 #define ACTION_CALL_FUNCTION 2 +#define ACTION_CLEAR_VECTOR 3 #define SMP_BOOT_CPU BIT(ACTION_BOOT_CPU) #define SMP_RESCHEDULE BIT(ACTION_RESCHEDULE) #define SMP_CALL_FUNCTION BIT(ACTION_CALL_FUNCTION) +#define SMP_CLEAR_VECTOR BIT(ACTION_CLEAR_VECTOR) struct secondary_data { unsigned long stack; diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c index 55320813ee08..14f0449f5452 100644 --- a/arch/loongarch/kernel/cpu-probe.c +++ b/arch/loongarch/kernel/cpu-probe.c @@ -106,7 +106,6 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c) elf_hwcap |= HWCAP_LOONGARCH_CRC32; } - config = read_cpucfg(LOONGARCH_CPUCFG2); if (config & CPUCFG2_LAM) { c->options |= LOONGARCH_CPU_LAM; @@ -174,6 +173,8 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c) c->options |= LOONGARCH_CPU_FLATMODE; if (config & IOCSRF_EIODECODE) c->options |= LOONGARCH_CPU_EIODECODE; + if (config & IOCSRF_AVEC) + c->options |= LOONGARCH_CPU_AVECINT; if (config & IOCSRF_VM) c->options |= LOONGARCH_CPU_HYPERVISOR; diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c index a2f6ce3061f3..50089a7a1a9d 100644 --- a/arch/loongarch/kernel/irq.c +++ b/arch/loongarch/kernel/irq.c @@ -122,6 +122,19 @@ void fixup_irqs(void) } #endif +int __init arch_probe_nr_irqs(void) +{ + int nr_io_pics = bitmap_weight(&loongson_sysconf.cores_io_master, NR_CPUS); + + if (!cpu_has_avecint) + nr_irqs = (64 + NR_VECTORS * nr_io_pics); + else + nr_irqs = (64 + NR_VECTORS * (nr_cpu_ids + nr_io_pics)); + + return NR_IRQS_LEGACY; +} + + void __init init_IRQ(void) { int i, ret; diff --git a/arch/loongarch/kernel/legacy_boot.h b/arch/loongarch/kernel/legacy_boot.h index 104d8c53bd2d..943229137f51 100644 --- a/arch/loongarch/kernel/legacy_boot.h +++ b/arch/loongarch/kernel/legacy_boot.h @@ -90,4 +90,14 @@ pch_msi_parse_madt(union acpi_subtable_headers *header, extern struct irq_domain *get_pchpic_irq_domain(void); extern __init void fw_init_cmdline(unsigned long argc, unsigned long cmdp); + +extern int liointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lio_pic *acpi_liointc); +extern int eiointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_eio_pic *acpi_eiointc); +extern int htvec_acpi_init(struct irq_domain *parent, + struct acpi_madt_ht_pic *acpi_htvec); +extern int pch_lpc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lpc_pic *acpi_pchlpc); + #endif diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index ea69606fd9f5..bd0bd3decd32 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -71,6 +71,7 @@ static DEFINE_PER_CPU(int, cpu_state); static const char *ipi_types[NR_IPI] __tracepoint_string = { [IPI_RESCHEDULE] = "Rescheduling interrupts", [IPI_CALL_FUNCTION] = "Function call interrupts", + [IPI_CLEAR_VECTOR] = "Clear vector interrupts", }; void show_ipi_list(struct seq_file *p, int prec) @@ -245,6 +246,11 @@ static irqreturn_t loongson_ipi_interrupt(int irq, void *dev) per_cpu(irq_stat, cpu).ipi_irqs[IPI_CALL_FUNCTION]++; } + if (action & SMP_CLEAR_VECTOR) { + complete_irq_moving(); + per_cpu(irq_stat, cpu).ipi_irqs[IPI_CLEAR_VECTOR]++; + } + return IRQ_HANDLED; } diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 246aa0603d6e..787206e166fc 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -116,7 +116,7 @@ obj-$(CONFIG_LS1X_IRQ) += irq-ls1x.o obj-$(CONFIG_TI_SCI_INTR_IRQCHIP) += irq-ti-sci-intr.o obj-$(CONFIG_TI_SCI_INTA_IRQCHIP) += irq-ti-sci-inta.o obj-$(CONFIG_TI_PRUSS_INTC) += irq-pruss-intc.o -obj-$(CONFIG_IRQ_LOONGARCH_CPU) += irq-loongarch-cpu.o +obj-$(CONFIG_IRQ_LOONGARCH_CPU) += irq-loongarch-cpu.o irq-loongarch-avec.o obj-$(CONFIG_LOONGSON_LIOINTC) += irq-loongson-liointc.o obj-$(CONFIG_LOONGSON_EIOINTC) += irq-loongson-eiointc.o obj-$(CONFIG_LOONGSON_HTPIC) += irq-loongson-htpic.o diff --git a/drivers/irqchip/irq-loongarch-avec.c b/drivers/irqchip/irq-loongarch-avec.c new file mode 100644 index 000000000000..e8c43b3fd826 --- /dev/null +++ b/drivers/irqchip/irq-loongarch-avec.c @@ -0,0 +1,452 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020-2024 Loongson Technologies, Inc. + */ + +#include <linux/cpuhotplug.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqchip/chained_irq.h> +#include <linux/irqdomain.h> +#include <linux/kernel.h> +#include <linux/msi.h> +#include <linux/radix-tree.h> +#include <linux/spinlock.h> + +#include <asm/loongarch.h> +#include <asm/setup.h> + +#include "irq-loongson.h" + +#define VECTORS_PER_REG 64 +#define IRR_VECTOR_MASK 0xffUL +#define IRR_INVALID_MASK 0x80000000UL +#define AVEC_MSG_OFFSET 0x100000 + +#ifdef CONFIG_SMP +struct pending_list { + struct list_head head; +}; + +static struct cpumask intersect_mask; +static DEFINE_PER_CPU(struct pending_list, pending_list); +#endif + +static DEFINE_PER_CPU(struct irq_desc * [NR_VECTORS], irq_map); + +struct avecintc_chip { + raw_spinlock_t lock; + struct fwnode_handle *fwnode; + struct irq_domain *domain; + struct irq_matrix *vector_matrix; + phys_addr_t msi_base_addr; +}; + +static struct avecintc_chip loongarch_avec; + +struct avecintc_data { + struct list_head entry; + unsigned int cpu; + unsigned int vec; + unsigned int prev_cpu; + unsigned int prev_vec; + unsigned int moving; +}; + +static inline void avecintc_ack_irq(struct irq_data *d) +{ +} + +static inline void avecintc_mask_irq(struct irq_data *d) +{ +} + +static inline void avecintc_unmask_irq(struct irq_data *d) +{ +} + +#ifdef CONFIG_SMP +static inline void pending_list_init(int cpu) +{ + struct pending_list *plist = per_cpu_ptr(&pending_list, cpu); + + INIT_LIST_HEAD(&plist->head); +} + +static void avecintc_sync(struct avecintc_data *adata) +{ + struct pending_list *plist; + + if (cpu_online(adata->prev_cpu)) { + plist = per_cpu_ptr(&pending_list, adata->prev_cpu); + list_add_tail(&adata->entry, &plist->head); + adata->moving = 1; + smp_ops.send_ipi_single(adata->prev_cpu, SMP_CLEAR_VECTOR); + } +} + +static int avecintc_set_affinity(struct irq_data *data, const struct cpumask *dest, bool force) +{ + int cpu, ret, vector; + struct avecintc_data *adata; + + raw_spin_lock(&loongarch_avec.lock); + adata = irq_data_get_irq_chip_data(data); + + if (adata->moving) { + raw_spin_unlock(&loongarch_avec.lock); + return -EBUSY; + } + + if (adata->vec == UINT_MAX) { + raw_spin_unlock(&loongarch_avec.lock); + return -EINVAL; + } + + if (cpu_online(adata->cpu) && cpumask_test_cpu(adata->cpu, dest)) { + raw_spin_unlock(&loongarch_avec.lock); + return 0; + } + + cpumask_and(&intersect_mask, dest, cpu_online_mask); + + ret = irq_matrix_alloc(loongarch_avec.vector_matrix, &intersect_mask, false, &cpu); + if (ret < 0) { + raw_spin_unlock(&loongarch_avec.lock); + return ret; + } + + vector = ret; + adata->cpu = cpu; + adata->vec = vector; + per_cpu_ptr(irq_map, adata->cpu)[adata->vec] = irq_data_to_desc(data); + avecintc_sync(adata); + + raw_spin_unlock(&loongarch_avec.lock); + irq_data_update_effective_affinity(data, cpumask_of(cpu)); + + return IRQ_SET_MASK_OK; +} + +static int avecintc_cpu_online(unsigned int cpu) +{ + if (!loongarch_avec.vector_matrix) + return 0; + + raw_spin_lock(&loongarch_avec.lock); + + irq_matrix_online(loongarch_avec.vector_matrix); + + pending_list_init(cpu); + + raw_spin_unlock(&loongarch_avec.lock); + + return 0; +} + +static int avecintc_cpu_offline(unsigned int cpu) +{ + struct pending_list *plist = per_cpu_ptr(&pending_list, cpu); + + if (!loongarch_avec.vector_matrix) + return 0; + + raw_spin_lock(&loongarch_avec.lock); + + if (!list_empty(&plist->head)) + pr_warn("CPU#%d vector is busy\n", cpu); + irq_matrix_offline(loongarch_avec.vector_matrix); + + raw_spin_unlock(&loongarch_avec.lock); + + return 0; +} + +void complete_irq_moving(void) +{ + struct pending_list *plist = this_cpu_ptr(&pending_list); + struct avecintc_data *adata, *tdata; + int cpu, vector, bias; + uint64_t isr; + + raw_spin_lock(&loongarch_avec.lock); + + list_for_each_entry_safe(adata, tdata, &plist->head, entry) { + cpu = adata->prev_cpu; + vector = adata->prev_vec; + bias = vector / VECTORS_PER_REG; + switch (bias) { + case 0: + isr = csr_read64(LOONGARCH_CSR_ISR0); + break; + case 1: + isr = csr_read64(LOONGARCH_CSR_ISR1); + break; + case 2: + isr = csr_read64(LOONGARCH_CSR_ISR2); + break; + case 3: + isr = csr_read64(LOONGARCH_CSR_ISR3); + break; + } + + if (isr & (1UL << (vector % VECTORS_PER_REG))) { + smp_ops.send_ipi_single(cpu, SMP_CLEAR_VECTOR); + continue; + } + list_del(&adata->entry); + irq_matrix_free(loongarch_avec.vector_matrix, cpu, vector, false); + this_cpu_write(irq_map[vector], NULL); + adata->moving = 0; + adata->prev_cpu = adata->cpu; + adata->prev_vec = adata->vec; + } + + raw_spin_unlock(&loongarch_avec.lock); +} +#endif + +static void avecintc_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) +{ + struct avecintc_data *adata = irq_data_get_irq_chip_data(d); + + msg->address_hi = 0x0; + msg->address_lo = (loongarch_avec.msi_base_addr | (adata->vec & 0xff) << 4) + | ((cpu_logical_map(adata->cpu & 0xffff)) << 12); + msg->data = 0x0; +} + +static struct irq_chip avec_irq_controller = { + .name = "AVECINTC", + .irq_ack = avecintc_ack_irq, + .irq_mask = avecintc_mask_irq, + .irq_unmask = avecintc_unmask_irq, +#ifdef CONFIG_SMP + .irq_set_affinity = avecintc_set_affinity, +#endif + .irq_compose_msi_msg = avecintc_compose_msi_msg, +}; + +static void avecintc_irq_dispatch(struct irq_desc *desc) +{ + struct irq_chip *chip = irq_desc_get_chip(desc); + struct irq_desc *d; + + chained_irq_enter(chip, desc); + + while (true) { + unsigned long vector = csr_read64(LOONGARCH_CSR_IRR); + + if (vector & IRR_INVALID_MASK) + break; + + vector &= IRR_VECTOR_MASK; + + d = this_cpu_read(irq_map[vector]); + if (d) { + generic_handle_irq_desc(d); + } else { + spurious_interrupt(); + pr_warn("Unexpected IRQ occurs on CPU#%d [vector %ld]\n", + smp_processor_id(), vector); + } + } + + chained_irq_exit(chip, desc); +} + +static int avecintc_alloc_vector(struct irq_data *irqd, struct avecintc_data *adata) +{ + int cpu, ret; + unsigned long flags; + + raw_spin_lock_irqsave(&loongarch_avec.lock, flags); + + ret = irq_matrix_alloc(loongarch_avec.vector_matrix, cpu_online_mask, false, &cpu); + if (ret < 0) { + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + return ret; + } + + adata->prev_cpu = adata->cpu = cpu; + adata->prev_vec = adata->vec = ret; + per_cpu_ptr(irq_map, adata->cpu)[adata->vec] = irq_data_to_desc(irqd); + + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + + return 0; +} + +static int avecintc_domain_alloc(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs, void *arg) +{ + for (unsigned int i = 0; i < nr_irqs; i++) { + struct irq_data *irqd = irq_domain_get_irq_data(domain, virq + i); + struct avecintc_data *adata = kzalloc(sizeof(*adata), GFP_KERNEL); + int ret; + + if (!adata) + return -ENOMEM; + + ret = avecintc_alloc_vector(irqd, adata); + if (ret < 0) { + kfree(adata); + return ret; + } + + irq_domain_set_info(domain, virq + i, virq + i, &avec_irq_controller, + adata, handle_edge_irq, NULL, NULL); + irqd_set_single_target(irqd); + irqd_set_affinity_on_activate(irqd); + } + + return 0; +} + +static void avecintc_free_vector(struct irq_data *irqd, struct avecintc_data *adata) +{ + unsigned long flags; + + raw_spin_lock_irqsave(&loongarch_avec.lock, flags); + + per_cpu(irq_map, adata->cpu)[adata->vec] = NULL; + irq_matrix_free(loongarch_avec.vector_matrix, adata->cpu, adata->vec, false); + +#ifdef CONFIG_SMP + if (!adata->moving) { + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + return; + } + + per_cpu(irq_map, adata->prev_cpu)[adata->prev_vec] = NULL; + irq_matrix_free(loongarch_avec.vector_matrix, adata->prev_cpu, adata->prev_vec, false); + list_del_init(&adata->entry); +#endif + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); +} + +static void avecintc_domain_free(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs) +{ + for (unsigned int i = 0; i < nr_irqs; i++) { + struct irq_data *d = irq_domain_get_irq_data(domain, virq + i); + + if (d) { + struct avecintc_data *adata = irq_data_get_irq_chip_data(d); + + avecintc_free_vector(d, adata); + irq_domain_reset_irq_data(d); + kfree(adata); + } + } +} + +static const struct irq_domain_ops avecintc_domain_ops = { + .alloc = avecintc_domain_alloc, + .free = avecintc_domain_free, +}; + +static int __init irq_matrix_init(void) +{ + loongarch_avec.vector_matrix = irq_alloc_matrix(NR_VECTORS, 0, NR_VECTORS); + if (!loongarch_avec.vector_matrix) + return -ENOMEM; + + for (int i = 0; i < NR_LEGACY_VECTORS; i++) + irq_matrix_assign_system(loongarch_avec.vector_matrix, i, false); + + irq_matrix_online(loongarch_avec.vector_matrix); + + return 0; +} + +static int __init avecintc_init(struct irq_domain *parent) +{ + int ret, parent_irq; + unsigned long value; + + raw_spin_lock_init(&loongarch_avec.lock); + + loongarch_avec.fwnode = irq_domain_alloc_named_fwnode("AVECINTC"); + if (!loongarch_avec.fwnode) { + pr_err("Unable to allocate domain handle\n"); + ret = -ENOMEM; + goto out; + } + + loongarch_avec.domain = irq_domain_create_tree(loongarch_avec.fwnode, + &avecintc_domain_ops, NULL); + if (!loongarch_avec.domain) { + pr_err("Unable to create IRQ domain\n"); + ret = -ENOMEM; + goto out_free_handle; + } + + parent_irq = irq_create_mapping(parent, INT_AVEC); + if (!parent_irq) { + pr_err("Failed to mapping hwirq\n"); + ret = -EINVAL; + goto out_remove_domain; + } + + ret = irq_matrix_init(); + if (ret < 0) { + pr_err("Failed to init irq matrix\n"); + goto out_remove_domain; + } + irq_set_chained_handler_and_data(parent_irq, avecintc_irq_dispatch, NULL); + +#ifdef CONFIG_SMP + pending_list_init(0); + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_AVECINTC_STARTING, + "irqchip/loongarch/avecintc:starting", + avecintc_cpu_online, avecintc_cpu_offline); +#endif + value = iocsr_read64(LOONGARCH_IOCSR_MISC_FUNC); + value |= IOCSR_MISC_FUNC_AVEC_EN; + iocsr_write64(value, LOONGARCH_IOCSR_MISC_FUNC); + + return ret; + +out_remove_domain: + irq_domain_remove(loongarch_avec.domain); +out_free_handle: + irq_domain_free_fwnode(loongarch_avec.fwnode); +out: + return ret; +} + +static int __init pch_msi_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header; + + loongarch_avec.msi_base_addr = pchmsi_entry->msg_address - AVEC_MSG_OFFSET; + + return pch_msi_acpi_init_avec(loongarch_avec.domain); +} + +static inline int __init acpi_cascade_irqdomain_init(void) +{ + return acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1); +} + +int __init avecintc_acpi_init(struct irq_domain *parent) +{ + int ret = avecintc_init(parent); + + if (ret < 0) { + pr_err("Failed to init IRQ domain\n"); + return ret; + } + + ret = acpi_cascade_irqdomain_init(); + if (ret < 0) { + pr_err("Failed to init cascade IRQ domain\n"); + return ret; + } + + return ret; +} diff --git a/drivers/irqchip/irq-loongarch-cpu.c b/drivers/irqchip/irq-loongarch-cpu.c index 4380b4d8dd20..c6e0c9849ba9 100644 --- a/drivers/irqchip/irq-loongarch-cpu.c +++ b/drivers/irqchip/irq-loongarch-cpu.c @@ -13,6 +13,8 @@ #include <asm/loongarch.h> #include <asm/setup.h> +#include "irq-loongson.h" + static struct irq_domain *irq_domain; struct fwnode_handle *cpuintc_handle; @@ -140,7 +142,10 @@ static int __init acpi_cascade_irqdomain_init(void) if (r < 0) return r; - return 0; + if (cpu_has_avecint) + r = avecintc_acpi_init(irq_domain); + + return r; } struct irq_domain *get_cpudomain(void) diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index 488951a740cd..1c7f97dac83b 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -16,6 +16,8 @@ #include <linux/kernel.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + #define EIOINTC_REG_NODEMAP 0x14a0 #define EIOINTC_REG_IPMAP 0x14c0 #define EIOINTC_REG_ENABLE 0x1600 @@ -395,6 +397,9 @@ static int __init acpi_cascade_irqdomain_init(void) if (r < 0) return r; + if (cpu_has_avecint) + return 0; + r = acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1); if (r < 0) return r; @@ -442,8 +447,8 @@ static int __init eiointc_init(struct eiointc_priv *priv, int parent_irq, if (nr_pics == 1) { register_syscore_ops(&eiointc_syscore_ops); - cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING, - "irqchip/loongarch/intc:starting", + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_EIOINTC_STARTING, + "irqchip/loongarch/eiointc:starting", eiointc_router_init, NULL); } diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c index 0bff728b25e3..5da02c7ad0b3 100644 --- a/drivers/irqchip/irq-loongson-htvec.c +++ b/drivers/irqchip/irq-loongson-htvec.c @@ -17,6 +17,8 @@ #include <linux/of_irq.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define HTVEC_EN_OFF 0x20 #define HTVEC_MAX_PARENT_IRQ 8 diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c index 0262cbefe9dd..257aa699ec98 100644 --- a/drivers/irqchip/irq-loongson-liointc.c +++ b/drivers/irqchip/irq-loongson-liointc.c @@ -22,6 +22,8 @@ #include <asm/loongson.h> #endif +#include "irq-loongson.h" + #define LIOINTC_CHIP_IRQ 32 #define LIOINTC_NUM_PARENT 4 #define LIOINTC_NUM_CORES 4 diff --git a/drivers/irqchip/irq-loongson-pch-lpc.c b/drivers/irqchip/irq-loongson-pch-lpc.c index 9b35492fb6be..2d4c3ec128b8 100644 --- a/drivers/irqchip/irq-loongson-pch-lpc.c +++ b/drivers/irqchip/irq-loongson-pch-lpc.c @@ -15,6 +15,8 @@ #include <linux/kernel.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define LPC_INT_CTL 0x00 #define LPC_INT_ENA 0x04 diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c index dd4d699170f4..2c9f58536fce 100644 --- a/drivers/irqchip/irq-loongson-pch-msi.c +++ b/drivers/irqchip/irq-loongson-pch-msi.c @@ -15,6 +15,8 @@ #include <linux/pci.h> #include <linux/slab.h> +#include "irq-loongson.h" + static int nr_pics; struct pch_msi_data { @@ -266,17 +268,17 @@ IRQCHIP_DECLARE(pch_msi, "loongson,pch-msi-1.0", pch_msi_of_init); #ifdef CONFIG_ACPI struct fwnode_handle *get_pch_msi_handle(int pci_segment) { - int i; + if (cpu_has_avecint) + return pch_msi_handle[0]; - for (i = 0; i < MAX_IO_PICS; i++) { + for (int i = 0; i < MAX_IO_PICS; i++) { if (msi_group[i].pci_segment == pci_segment) return pch_msi_handle[i]; } - return NULL; + return pch_msi_handle[0]; } -int __init pch_msi_acpi_init(struct irq_domain *parent, - struct acpi_madt_msi_pic *acpi_pchmsi) +int __init pch_msi_acpi_init(struct irq_domain *parent, struct acpi_madt_msi_pic *acpi_pchmsi) { int ret; struct fwnode_handle *domain_handle; @@ -289,4 +291,36 @@ int __init pch_msi_acpi_init(struct irq_domain *parent, return ret; } + +static struct irq_chip pch_msi_irq_chip_avec = { + .name = "PCH PCI MSI", + .irq_ack = irq_chip_ack_parent, +}; + +static struct msi_domain_info pch_msi_domain_info_avec = { + .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | + MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, + .chip = &pch_msi_irq_chip_avec, +}; + +int __init pch_msi_acpi_init_avec(struct irq_domain *parent) +{ + struct irq_domain *msi_domain; + + if (pch_msi_handle[0]) + return 0; + + pch_msi_handle[0] = parent->fwnode; + irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS); + + msi_domain = pci_msi_create_irq_domain(pch_msi_handle[0], + &pch_msi_domain_info_avec, parent); + if (!msi_domain) { + pr_err("Failed to create PCI MSI domain\n"); + kfree(pch_msi_handle[0]); + return -ENOMEM; + } + + return 0; +} #endif diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c index 6e4dde64687e..075d08aba75e 100644 --- a/drivers/irqchip/irq-loongson-pch-pic.c +++ b/drivers/irqchip/irq-loongson-pch-pic.c @@ -17,6 +17,8 @@ #include <linux/of_irq.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define PCH_PIC_MASK 0x20 #define PCH_PIC_HTMSI_EN 0x40 diff --git a/drivers/irqchip/irq-loongson.h b/drivers/irqchip/irq-loongson.h new file mode 100644 index 000000000000..11fa138d1f44 --- /dev/null +++ b/drivers/irqchip/irq-loongson.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024 Loongson Technology Corporation Limited + */ + +#ifndef _DRIVERS_IRQCHIP_IRQ_LOONGSON_H +#define _DRIVERS_IRQCHIP_IRQ_LOONGSON_H + +int find_pch_pic(u32 gsi); + +int liointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lio_pic *acpi_liointc); +int eiointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_eio_pic *acpi_eiointc); +int avecintc_acpi_init(struct irq_domain *parent); + +int htvec_acpi_init(struct irq_domain *parent, + struct acpi_madt_ht_pic *acpi_htvec); +int pch_lpc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lpc_pic *acpi_pchlpc); +int pch_pic_acpi_init(struct irq_domain *parent, + struct acpi_madt_bio_pic *acpi_pchpic); +int pch_msi_acpi_init(struct irq_domain *parent, + struct acpi_madt_msi_pic *acpi_pchmsi); +int pch_msi_acpi_init_avec(struct irq_domain *parent); + +#endif /* _DRIVERS_IRQCHIP_IRQ_LOONGSON_H */ diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index a33500a53d25..8f3b474f3a70 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -153,6 +153,10 @@ enum cpuhp_state { CPUHP_AP_IRQ_MIPS_GIC_STARTING, CPUHP_AP_IRQ_RISCV_STARTING, CPUHP_AP_IRQ_LOONGARCH_STARTING, +#ifdef CONFIG_LOONGARCH + CPUHP_AP_IRQ_EIOINTC_STARTING, + CPUHP_AP_IRQ_AVECINTC_STARTING, +#endif CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING, CPUHP_AP_ARM_MVEBU_COHERENCY, CPUHP_AP_MICROCODE_LOADER, -- 2.33.0

2 1

[PATCH OLK-6.6] LoongArch: add loongson SE SDF support
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Zhao Qunqin <zhaoqunqin(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3GN -------------------------------- Signed-off-by: Zhao Qunqin <zhaoqunqin(a)loongson.cn> --- arch/loongarch/include/asm/se.h | 147 ++++++++ drivers/char/Kconfig | 20 ++ drivers/char/Makefile | 2 + drivers/char/loongson_se.c | 601 ++++++++++++++++++++++++++++++++ drivers/char/lsse_sdf_cdev.c | 380 ++++++++++++++++++++ 5 files changed, 1150 insertions(+) create mode 100644 arch/loongarch/include/asm/se.h create mode 100644 drivers/char/loongson_se.c create mode 100644 drivers/char/lsse_sdf_cdev.c diff --git a/arch/loongarch/include/asm/se.h b/arch/loongarch/include/asm/se.h new file mode 100644 index 000000000000..d0f9d43d60d2 --- /dev/null +++ b/arch/loongarch/include/asm/se.h @@ -0,0 +1,147 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2012 IBM Corporation + * + * Copyright 2023 Loongson Technology, Inc. + * Yinggang Gu <guyinggang(a)loongson.cn> + * + * Device driver for Loongson SE module. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2 of the + * License. + * + */ +#ifndef __LOONGSON_SE_H__ +#define __LOONGSON_SE_H__ + +#define SE_MAILBOX_S 0x0 +#define SE_MAILBOX_L 0x20 +#define SE_S2LINT_STAT 0x88 +#define SE_S2LINT_EN 0x8c +#define SE_S2LINT_SET 0x90 +#define SE_S2LINT_CL 0x94 +#define SE_L2SINT_STAT 0x98 +#define SE_L2SINT_EN 0x9c +#define SE_L2SINT_SET 0xa0 +#define SE_L2SINT_CL 0xa4 + +/* INT bit definition */ +#define SE_INT_SETUP BIT(0) +#define SE_INT_SM2 BIT(0) +#define SE_INT_SM3 BIT(0) +#define SE_INT_SM4 BIT(0) +#define SE_INT_RNG BIT(0) +#define SE_INT_TPM BIT(5) +#define SE_INT_ALL 0xffffffff + +#define SE_CMD_START 0x0 +#define SE_CMD_STOP 0x1 +#define SE_CMD_GETVER 0x2 +#define SE_CMD_SETBUF 0x3 +#define SE_CMD_SETMSG 0x4 + +#define SE_CMD_RNG 0x100 + +#define SE_CMD_SM2_SIGN 0x200 +#define SE_CMD_SM2_VSIGN 0x201 + +#define SE_CMD_SM3_DIGEST 0x300 +#define SE_CMD_SM3_UPDATE 0x301 +#define SE_CMD_SM3_FINISH 0x302 + +#define SE_CMD_SM4_ECB_ENCRY 0x400 +#define SE_CMD_SM4_ECB_DECRY 0x401 +#define SE_CMD_SM4_CBC_ENCRY 0x402 +#define SE_CMD_SM4_CBC_DECRY 0x403 +#define SE_CMD_SM4_CTR 0x404 + +#define SE_CMD_TPM 0x500 +#define SE_CMD_ZUC_INIT_READ 0x600 +#define SE_CMD_ZUC_READ 0x601 + +#define SE_CMD_SDF 0x700 + +#define SE_CH_MAX 32 + +#define SE_CH_RNG 1 +#define SE_CH_SM2 2 +#define SE_CH_SM3 3 +#define SE_CH_SM4 4 +#define SE_CH_TPM 5 +#define SE_CH_ZUC 6 +#define SE_CH_SDF 7 + +struct se_msg { + u32 cmd; + u32 data_off; + u32 data_len; + u32 info[5]; +}; + +struct se_cmd { + u32 cmd; + u32 info[7]; +}; + +struct se_res { + u32 cmd; + u32 cmd_ret; + u32 info[6]; +}; + +struct se_mailbox_data { + u32 int_bit; + union { + u32 mailbox[8]; + struct se_cmd gcmd; + struct se_res res; + } u; +}; + +struct lsse_ch { + u32 id; + u32 int_bit; + struct loongson_se *se; + void *priv; + spinlock_t ch_lock; + void *smsg; + void *rmsg; + int msg_size; + void *data_buffer; + dma_addr_t data_addr; + int data_size; + + void (*complete)(struct lsse_ch *se_ch); +}; + +struct loongson_se { + struct device *dev; + void __iomem *base; + u32 version; + u32 ch_status; + spinlock_t cmd_lock; + spinlock_t dev_lock; + + /* Interaction memory */ + void *mem_base; + dma_addr_t mem_addr; + unsigned long *mem_map; + int mem_map_size; + void *smsg; + void *rmsg; + + /* Synchronous CMD */ + struct completion cmd_completion; + + /* Virtual Channel */ + struct lsse_ch chs[SE_CH_MAX]; +}; + +struct lsse_ch *se_init_ch(int id, int data_size, int msg_size, void *priv, + void (*complete)(struct lsse_ch *se_ch)); +void se_deinit_ch(struct lsse_ch *ch); +int se_send_ch_requeset(struct lsse_ch *ch); + +#endif diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 625af75833fc..ea7ace87a9df 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -391,6 +391,26 @@ config UV_MMTIMER The uv_mmtimer device allows direct userspace access to the UV system timer. +config LOONGSON_SE + tristate "LOONGSON SECURITY MODULE Interface" + depends on LOONGARCH + default m + help + If you have LOONGSON security module (SE) support say Yes and it + will be accessible from within Linux. + To compile this driver as a module, choose M here,the module will + be called loongson-se. + +config LOONGSON_SE_SDF + tristate "LOONGSON SECURITY MODULE SDF Interface" + depends on LOONGARCH && LOONGSON_SE + default m + help + If you want to use LOONGSON security module (SE) as SDF say Yes + and it will be accessible from within Linux. + To compile this driver as a module, choose M here,the module will + be called loongson-se. + source "drivers/char/tpm/Kconfig" config TELCLOCK diff --git a/drivers/char/Makefile b/drivers/char/Makefile index c5f532e412f1..109af71c5416 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -32,6 +32,8 @@ obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o obj-$(CONFIG_TELCLOCK) += tlclk.o +obj-$(CONFIG_LOONGSON_SE) += loongson_se.o +obj-$(CONFIG_LOONGSON_SE_SDF) += lsse_sdf_cdev.o obj-$(CONFIG_MWAVE) += mwave/ obj-y += agp/ diff --git a/drivers/char/loongson_se.c b/drivers/char/loongson_se.c new file mode 100644 index 000000000000..40d2d6518265 --- /dev/null +++ b/drivers/char/loongson_se.c @@ -0,0 +1,601 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/cdev.h> +#include <linux/device.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/miscdevice.h> +#include <linux/iopoll.h> +#include <linux/dma-mapping.h> +#include <linux/interrupt.h> +#include <asm/se.h> + +static int se_mem_size = 0x800000; +module_param(se_mem_size, int, 0444); +MODULE_PARM_DESC(se_mem_size, "LOONGSON SE shared memory size"); + +static int se_mem_page = PAGE_SIZE; +module_param(se_mem_page, int, 0444); +MODULE_PARM_DESC(se_mem_page, "LOONGSON SE shared memory page size"); + +static struct loongson_se se_dev; + +static int lsse_open(struct inode *inode, struct file *filp) +{ + return 0; +} + +static ssize_t lsse_write(struct file *filp, const char __user *buf, + size_t cnt, loff_t *offt) +{ + return 0; +} + +static const struct file_operations lsse_fops = { + .owner = THIS_MODULE, + .open = lsse_open, + .write = lsse_write, +}; + +static const struct miscdevice lsse_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "loongson-se", + .fops = &lsse_fops, +}; + +static inline u32 se_readl(u64 addr) +{ + return readl(se_dev.base + addr); +} + +static inline void se_writel(u32 val, u64 addr) +{ + writel(val, se_dev.base + addr); +} + +static inline bool se_ch_status(struct loongson_se *se, u32 int_bit) +{ + return !!(se->ch_status & int_bit) == 1; +} + +static void se_enable_int(struct loongson_se *se, u32 int_bit) +{ + unsigned long flag; + u32 tmp; + + if (!int_bit) + return; + + spin_lock_irqsave(&se->dev_lock, flag); + + tmp = se_readl(SE_S2LINT_EN); + tmp |= int_bit; + se_writel(tmp, SE_S2LINT_EN); + + spin_unlock_irqrestore(&se->dev_lock, flag); +} + +static void se_disable_int(struct loongson_se *se, u32 int_bit) +{ + unsigned long flag; + u32 tmp; + + if (!int_bit) + return; + + spin_lock_irqsave(&se->dev_lock, flag); + + tmp = se_readl(SE_S2LINT_EN); + tmp &= ~(int_bit); + se_writel(tmp, SE_S2LINT_EN); + + spin_unlock_irqrestore(&se->dev_lock, flag); +} + +static int se_send_requeset(struct loongson_se *se, + struct se_mailbox_data *req) +{ + unsigned long flag; + u32 status; + int err = 0; + int i; + + if (!se || !req) + return -EINVAL; + + if (se_readl(SE_L2SINT_STAT) || + !(se_readl(SE_L2SINT_EN) & req->int_bit)) + return -EBUSY; + + spin_lock_irqsave(&se->cmd_lock, flag); + + for (i = 0; i < ARRAY_SIZE(req->u.mailbox); i++) + se_writel(req->u.mailbox[i], SE_MAILBOX_S + i * 4); + + se_writel(req->int_bit, SE_L2SINT_SET); + + err = readl_relaxed_poll_timeout_atomic(se->base + SE_L2SINT_STAT, status, + !(status & req->int_bit), 10, 10000); + + spin_unlock_irqrestore(&se->cmd_lock, flag); + + return err; +} + +static int se_get_response(struct loongson_se *se, + struct se_mailbox_data *res) +{ + unsigned long flag; + int i; + + if (!se || !res) + return -EINVAL; + + if ((se_readl(SE_S2LINT_STAT) & res->int_bit) == 0) + return -EBUSY; + + spin_lock_irqsave(&se->cmd_lock, flag); + + for (i = 0; i < ARRAY_SIZE(res->u.mailbox); i++) + res->u.mailbox[i] = se_readl(SE_MAILBOX_L + i * 4); + + se_writel(res->int_bit, SE_S2LINT_CL); + + spin_unlock_irqrestore(&se->cmd_lock, flag); + + return 0; +} + +static int loongson_se_get_res(struct loongson_se *se, u32 int_bit, u32 cmd, + struct se_mailbox_data *res) +{ + int err = 0; + + res->int_bit = int_bit; + + if (se_get_response(se, res)) { + dev_err(se->dev, "Int 0x%x get response fail.\n", int_bit); + return -EFAULT; + } + + /* Check response */ + if (res->u.res.cmd == cmd) + err = 0; + else { + dev_err(se->dev, "Response cmd is 0x%x, not expect cmd 0x%x.\n", + res->u.res.cmd, cmd); + err = -EFAULT; + } + + return err; +} + +static int se_send_genl_cmd(struct loongson_se *se, struct se_mailbox_data *req, + struct se_mailbox_data *res, int retry) +{ + int err = 0, cnt = 0; + +try_again: + if (cnt++ >= retry) { + err = -ETIMEDOUT; + goto out; + } + + dev_dbg(se->dev, "%d time send cmd 0x%x\n", cnt, req->u.gcmd.cmd); + + err = se_send_requeset(se, req); + if (err) + goto try_again; + + if (!wait_for_completion_timeout(&se->cmd_completion, + msecs_to_jiffies(0x1000))) { + se_enable_int(se, req->int_bit); + goto try_again; + } + + err = loongson_se_get_res(se, req->int_bit, req->u.gcmd.cmd, res); + if (err || res->u.res.cmd_ret) { + se_enable_int(se, req->int_bit); + goto try_again; + } + +out: + se_enable_int(se, req->int_bit); + + return err; +} + +static int loongson_se_set_msg(struct lsse_ch *ch) +{ + struct loongson_se *se = ch->se; + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + int err; + + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_SETMSG; + /* MSG off */ + req.u.gcmd.info[0] = ch->id; + req.u.gcmd.info[1] = ch->smsg - se->mem_base; + req.u.gcmd.info[2] = ch->msg_size; + + dev_dbg(se->dev, "Set Channel %d msg off 0x%x, msg size %d\n", ch->id, + req.u.gcmd.info[1], req.u.gcmd.info[2]); + + err = se_send_genl_cmd(se, &req, &res, 5); + if (res.u.res.cmd_ret) + return res.u.res.cmd_ret; + + return err; +} + +static irqreturn_t loongson_se_irq(int irq, void *dev_id) +{ + struct loongson_se *se = (struct loongson_se *)dev_id; + struct lsse_ch *ch; + u32 int_status; + + int_status = se_readl(SE_S2LINT_STAT); + + dev_dbg(se->dev, "%s int status is 0x%x\n", __func__, int_status); + + se_disable_int(se, int_status); + + if (int_status & SE_INT_SETUP) { + complete(&se->cmd_completion); + int_status &= ~SE_INT_SETUP; + } + + while (int_status) { + int id = __ffs(int_status); + + ch = &se->chs[id]; + if (ch->complete) + ch->complete(ch); + int_status &= ~BIT(id); + se_writel(BIT(id), SE_S2LINT_CL); + } + + return IRQ_HANDLED; +} + +static int se_init_hw(struct loongson_se *se) +{ + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + struct device *dev = se->dev; + int err, retry = 5; + u64 size; + + size = se_mem_size; + + if (size & (size - 1)) { + size = roundup_pow_of_two(size); + se_mem_size = size; + } + + se_enable_int(se, SE_INT_SETUP); + + /* Start engine */ + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_START; + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + /* Get Version */ + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_GETVER; + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + se->version = res.u.res.info[0]; + + /* Setup data buffer */ + se->mem_base = dmam_alloc_coherent(dev, size, + &se->mem_addr, GFP_KERNEL); + if (!se->mem_base) + return -ENOMEM; + + memset(se->mem_base, 0, size); + + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_SETBUF; + /* MMAP */ + req.u.gcmd.info[0] = (se->mem_addr & 0xffffffff) | 0x80; + req.u.gcmd.info[1] = se->mem_addr >> 32; + /* MASK */ + req.u.gcmd.info[2] = ~(size - 1); + req.u.gcmd.info[3] = 0xffffffff; + + pr_debug("Set win mmap 0x%llx, mask 0x%llx\n", + ((u64)req.u.gcmd.info[1] << 32) | req.u.gcmd.info[0], + ((u64)req.u.gcmd.info[3] << 32) | req.u.gcmd.info[2]); + + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + se->mem_map_size = size / se_mem_page; + se->mem_map = bitmap_zalloc(se->mem_map_size, GFP_KERNEL); + if (!se->mem_map) + return -ENOMEM; + + dev_info(se->dev, "SE module setup down, shared memory size is 0x%x bytes, memory page size is 0x%x bytes\n", + se_mem_size, se_mem_page); + + return err; +} + +static void loongson_se_disable_hw(struct loongson_se *se) +{ + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + int retry = 5; + + /* Stop engine */ + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_STOP; + se_send_genl_cmd(se, &req, &res, retry); + + se_disable_int(se, SE_INT_ALL); + kfree(se->mem_map); +} + +int se_send_ch_requeset(struct lsse_ch *ch) +{ + struct loongson_se *se; + u32 status, int_bit; + int err = 0; + + if (!ch) + return -EINVAL; + + se = ch->se; + int_bit = ch->int_bit; + + if ((se_readl(SE_L2SINT_STAT) & int_bit) || + !(se_readl(SE_L2SINT_EN) & int_bit)) + return -EBUSY; + + se_enable_int(se, int_bit); + se_writel(int_bit, SE_L2SINT_SET); + + err = readl_relaxed_poll_timeout_atomic(se->base + SE_L2SINT_STAT, status, + !(status & int_bit), 10, 10000); + + return err; +} +EXPORT_SYMBOL_GPL(se_send_ch_requeset); + +struct lsse_ch *se_init_ch(int id, int data_size, int msg_size, void *priv, + void (*complete)(struct lsse_ch *se_ch)) +{ + struct loongson_se *se = &se_dev; + struct lsse_ch *ch; + unsigned long flag; + int data_first, data_nr; + int msg_first, msg_nr; + + if (!se) { + pr_err("SE has bot been initialized\n"); + return NULL; + } + + if (id == 0 || id > SE_CH_MAX) { + dev_err(se->dev, "Channel number %d is invalid\n", id); + return NULL; + } + + if (se_ch_status(se, BIT(id))) { + dev_err(se->dev, "Channel number %d has been initialized\n", id); + return NULL; + } + + spin_lock_irqsave(&se->dev_lock, flag); + + ch = &se_dev.chs[id]; + ch->se = se; + ch->id = id; + ch->int_bit = BIT(id); + se->ch_status |= BIT(id); + + data_nr = round_up(data_size, se_mem_page) / se_mem_page; + data_first = bitmap_find_next_zero_area(se->mem_map, se->mem_map_size, + 0, data_nr, 0); + if (data_first >= se->mem_map_size) { + dev_err(se->dev, "Insufficient memory space\n"); + spin_unlock_irqrestore(&se->dev_lock, flag); + return NULL; + } + + bitmap_set(se->mem_map, data_first, data_nr); + ch->data_buffer = se->mem_base + data_first * se_mem_page; + ch->data_addr = se->mem_addr + data_first * se_mem_page; + ch->data_size = data_size; + + msg_nr = round_up(msg_size, se_mem_page) / se_mem_page; + msg_first = bitmap_find_next_zero_area(se->mem_map, se->mem_map_size, + 0, msg_nr, 0); + if (msg_first >= se->mem_map_size) { + dev_err(se->dev, "Insufficient memory space\n"); + bitmap_clear(se->mem_map, data_first, data_nr); + spin_unlock_irqrestore(&se->dev_lock, flag); + return NULL; + } + + bitmap_set(se->mem_map, msg_first, msg_nr); + ch->smsg = se->mem_base + msg_first * se_mem_page; + ch->rmsg = ch->smsg + msg_size / 2; + ch->msg_size = msg_size; + + ch->complete = complete; + ch->priv = priv; + + spin_lock_init(&ch->ch_lock); + + spin_unlock_irqrestore(&se->dev_lock, flag); + + if (loongson_se_set_msg(ch)) { + dev_err(se->dev, "Channel %d setup message address failed\n", id); + return NULL; + } + + se_enable_int(se, ch->int_bit); + + return ch; +} +EXPORT_SYMBOL_GPL(se_init_ch); + +void se_deinit_ch(struct lsse_ch *ch) +{ + struct loongson_se *se = &se_dev; + unsigned long flag; + int first, nr; + int id = ch->id; + + if (!se) { + pr_err("SE has bot been initialized\n"); + return; + } + + if (id == 0 || id > SE_CH_MAX) { + dev_err(se->dev, "Channel number %d is invalid\n", id); + return; + } + + if (!se_ch_status(se, BIT(id))) { + dev_err(se->dev, "Channel number %d has not been initialized\n", id); + return; + } + + spin_lock_irqsave(&se->dev_lock, flag); + + se->ch_status &= ~BIT(ch->id); + + first = (ch->data_buffer - se->mem_base) / se_mem_page; + nr = round_up(ch->data_size, se_mem_page) / se_mem_page; + bitmap_clear(se->mem_map, first, nr); + + first = (ch->smsg - se->mem_base) / se_mem_page; + nr = round_up(ch->msg_size, se_mem_page) / se_mem_page; + bitmap_clear(se->mem_map, first, nr); + + spin_unlock_irqrestore(&se->dev_lock, flag); + + se_disable_int(se, ch->int_bit); +} +EXPORT_SYMBOL_GPL(se_deinit_ch); + +static struct platform_device lsse_sdf_pdev = { + .name = "loongson-sdf", + .id = -1, +}; + +static const struct of_device_id loongson_se_of_match[] = { + { .compatible = "loongson,ls3c6000se", }, + {} +}; +MODULE_DEVICE_TABLE(of, loongson_se_of_match); + +static int loongson_se_probe(struct platform_device *pdev) +{ + struct loongson_se *se = &se_dev; + struct resource *res; + struct device *dev = &pdev->dev; + int nr_irq, err, i; + int irq[8]; + + nr_irq = platform_irq_count(pdev); + if (nr_irq < 0) + return -ENODEV; + + for (i = 0; i < nr_irq; i++) { + irq[i] = platform_get_irq(pdev, i); + if (irq[i] < 0) + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + se->base = devm_ioremap_resource(dev, res); + if (IS_ERR(se->base)) + return PTR_ERR(se->base); + + se->dev = &pdev->dev; + platform_set_drvdata(pdev, se); + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + init_completion(&se->cmd_completion); + spin_lock_init(&se->cmd_lock); + spin_lock_init(&se->dev_lock); + + for (i = 0; i < nr_irq; i++) { + err = devm_request_irq(dev, irq[i], loongson_se_irq, 0, + "loongson-se", se); + if (err) + goto out; + } + + err = se_init_hw(se); + if (err) + goto disable_hw; + + err = misc_register(&lsse_miscdev); + if (err) + goto disable_hw; + + err = platform_device_register(&lsse_sdf_pdev); + if (err) + pr_err("register sdf device failed\n"); + + return 0; + +disable_hw: + loongson_se_disable_hw(se); +out: + for ( ; i >= 0; i--) + devm_free_irq(dev, irq[i], se); + + return err; +} + +static int loongson_se_remove(struct platform_device *pdev) +{ + struct loongson_se *se = platform_get_drvdata(pdev); + + misc_deregister(&lsse_miscdev); + loongson_se_disable_hw(se); + platform_device_unregister(&lsse_sdf_pdev); + + return 0; +} + +static struct platform_driver loongson_se_driver = { + .probe = loongson_se_probe, + .remove = loongson_se_remove, + .driver = { + .name = "loongson-se", + .of_match_table = loongson_se_of_match, + }, +}; + +module_platform_driver(loongson_se_driver); + +MODULE_AUTHOR("Yinggang Gu"); +MODULE_DESCRIPTION("Loongson SE driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/char/lsse_sdf_cdev.c b/drivers/char/lsse_sdf_cdev.c new file mode 100644 index 000000000000..a4806fbf08d1 --- /dev/null +++ b/drivers/char/lsse_sdf_cdev.c @@ -0,0 +1,380 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/cdev.h> +#include <linux/module.h> +#include <linux/wait.h> +#include <linux/of.h> +#include <linux/iopoll.h> +#include <linux/platform_device.h> +#include <linux/uaccess.h> +#include <asm/se.h> +#include <linux/list.h> + +#define SE_SDF_BUFSIZE (PAGE_SIZE * 2) +#define SDF_OPENSESSION 0x204 +#define SDF_CLOSESESSION 0x205 + +struct lsse_sdf_dev { + struct lsse_ch *se_ch; + struct mutex data_lock; + bool processing_cmd; + + /* Synchronous CMD */ + wait_queue_head_t wq; +}; + +struct se_sdf_msg { + u32 cmd; + u32 data_off; + u32 data_len; + u32 info[5]; +}; + +struct sdf_command_header { + int command; + union { + int param_cnt; + int ret; + } u; + int param_len[14]; +}; + +struct sdf_kernel_command { + struct sdf_command_header header; + void *handle; +}; + +#define KERNEL_COMMAND_SIZE (sizeof(struct sdf_kernel_command)) + +struct sdf_handle { + struct list_head handle_list; + void *handle; +}; + +struct sdf_file_pvt_data { + struct lsse_sdf_dev *se; + struct list_head handle_list; + struct sdf_kernel_command skc; + struct sdf_handle *ph; +}; + +static struct lsse_sdf_dev *se_sdf_dev; + +static void lsse_sdf_complete(struct lsse_ch *ch) +{ + struct lsse_sdf_dev *se = (struct lsse_sdf_dev *)ch->priv; + + se->processing_cmd = false; + wake_up(&se->wq); +} + +static int se_send_sdf_cmd(struct lsse_sdf_dev *se, int len, int retry) +{ + struct se_sdf_msg *smsg = (struct se_sdf_msg *)se->se_ch->smsg; + unsigned long flag; + int err; + + spin_lock_irqsave(&se->se_ch->ch_lock, flag); + + smsg->cmd = SE_CMD_SDF; + /* One time one cmd */ + smsg->data_off = se->se_ch->data_buffer - se->se_ch->se->mem_base; + smsg->data_len = len; + +try_again: + if (!retry--) + goto out; + + pr_debug("Send sdf cmd, last retry %d times\n", retry); + + err = se_send_ch_requeset(se->se_ch); + if (err) { + udelay(5); + goto try_again; + } + +out: + spin_unlock_irqrestore(&se->se_ch->ch_lock, flag); + + return err; +} + +static int lsse_sdf_recv(struct sdf_file_pvt_data *pvt, char *buf, + size_t size, int user, int *se_ret) +{ + int len, time, ret = 0; + struct se_sdf_msg *rmsg; + struct sdf_kernel_command *skc; + struct sdf_handle *ph; + struct lsse_sdf_dev *se = pvt->se; + + if (!se->se_ch->rmsg) { + pr_err("se device is not ready\n"); + return -EBUSY; + } + + time = wait_event_timeout(se->wq, !se->processing_cmd, HZ*30); + if (!time) + return -ETIME; + + rmsg = (struct se_sdf_msg *)se->se_ch->rmsg; + if (rmsg->cmd != SE_CMD_SDF) { + pr_err("se get wrong response\n"); + return -EIO; + } + len = rmsg->data_len; + + if ((!user && len > KERNEL_COMMAND_SIZE) || len > SE_SDF_BUFSIZE + || (size && len > size)) + return -E2BIG; + + if (user) { + ret = copy_to_user((char __user *)buf, + se->se_ch->data_buffer + rmsg->data_off, len); + if (!se_ret) + return ret; + + skc = (struct sdf_kernel_command *) + (se->se_ch->data_buffer + rmsg->data_off); + *se_ret = skc->header.u.ret; + if (skc->header.command == SDF_OPENSESSION && !*se_ret) { + ph = kmalloc(sizeof(*ph), GFP_KERNEL); + if (!ph) + return -ENOMEM; + ph->handle = skc->handle; + list_add(&ph->handle_list, &pvt->handle_list); + } + } else + memcpy(buf, se->se_ch->data_buffer + rmsg->data_off, len); + + return ret; +} + +static struct sdf_handle *find_sdf_handle(void *handle, + struct sdf_file_pvt_data *pvt) +{ + struct sdf_handle *ph; + + list_for_each_entry(ph, &pvt->handle_list, handle_list) { + if (ph->handle == handle) + return ph; + } + + return NULL; +} + +static int lsse_sdf_send(struct sdf_file_pvt_data *pvt, const char *buf, + size_t count, int user) +{ + int ret, se_ret; + struct sdf_handle *ph = NULL; + struct sdf_kernel_command *skc; + struct lsse_sdf_dev *se = pvt->se; + + if (!se->se_ch->smsg) { + pr_err("se device is not ready\n"); + return 0; + } + + if (count > se->se_ch->data_size) { + pr_err("Invalid size in send: count=%zd, size=%d\n", + count, se->se_ch->data_size); + return -EIO; + } + + if (user) { + ret = mutex_lock_interruptible(&se->data_lock); + if (ret) + goto out; + } else + mutex_lock(&se->data_lock); + + if (user) { + ret = copy_from_user(se->se_ch->data_buffer, buf, count); + if (ret) { + ret = -EFAULT; + goto out_unlock; + } + skc = (struct sdf_kernel_command *)se->se_ch->data_buffer; + if (skc->header.command == SDF_CLOSESESSION) + ph = find_sdf_handle(skc->handle, pvt); + } else + memcpy(se->se_ch->data_buffer, buf, count); + + se->processing_cmd = true; + ret = se_send_sdf_cmd(se, count, 5); + if (ret) { + pr_err("se_send_sdf_cmd failed\n"); + goto out_unlock; + } + + ret = lsse_sdf_recv(pvt, (char *)buf, 0, user, &se_ret); + if (ret) { + pr_err("recv failed ret: %x\n", ret); + goto out_unlock; + } + if (ph && !se_ret) { + list_del(&ph->handle_list); + kfree(ph); + } +out_unlock: + mutex_unlock(&se->data_lock); +out: + return ret; +} + +static ssize_t lsse_sdf_write(struct file *filp, const char __user *buf, + size_t cnt, loff_t *offt) +{ + struct sdf_file_pvt_data *pvt = filp->private_data; + + if (cnt > SE_SDF_BUFSIZE) + return -E2BIG; + + if (lsse_sdf_send(pvt, buf, cnt, 1)) + return -EFAULT; + + return cnt; +} + +static ssize_t lsse_sdf_read(struct file *filp, char __user *buf, + size_t size, loff_t *off) +{ + return lsse_sdf_recv(filp->private_data, buf, size, 1, NULL); +} + +static int close_one_handle(struct sdf_file_pvt_data *pvt, struct sdf_handle *ph) +{ + struct sdf_kernel_command *skc = &pvt->skc; + + skc->header.command = 0x205; + skc->header.u.param_cnt = 1; + skc->header.param_len[0] = 8; + skc->handle = ph->handle; + /* close one session */ + lsse_sdf_send(pvt, (char *)&pvt->skc, KERNEL_COMMAND_SIZE, 0); + if (skc->header.u.ret) { + pr_err("Auto Close Session failed, session handle: %llx, ret: %d\n", + (u64)ph->handle, skc->header.u.ret); + return skc->header.u.ret; + } + kfree(ph); + + return 0; +} + +static int close_all_handle(struct sdf_file_pvt_data *pvt) +{ + int ret = 0; + struct sdf_handle *ph, *tmp; + + list_for_each_entry_safe(ph, tmp, &pvt->handle_list, handle_list) { + list_del(&ph->handle_list); + ret = close_one_handle(pvt, ph); + if (ret) + return ret; + } + + return 0; +} + +static int lsse_sdf_release(struct inode *inode, struct file *filp) +{ + int ret; + struct sdf_file_pvt_data *pvt = filp->private_data; + + ret = close_all_handle(pvt); + filp->private_data = NULL; + kfree(pvt); + + if (ret) + ret = -EFAULT; + return ret; +} + +static int lsse_sdf_open(struct inode *inode, struct file *filp) +{ + struct sdf_file_pvt_data *pvt = kmalloc(sizeof(*pvt), GFP_KERNEL); + + if (!pvt) + return -ENOMEM; + + INIT_LIST_HEAD(&pvt->handle_list); + pvt->se = se_sdf_dev; + filp->private_data = pvt; + + return 0; +} + +static const struct file_operations lsse_sdf_fops = { + .owner = THIS_MODULE, + .open = lsse_sdf_open, + .write = lsse_sdf_write, + .read = lsse_sdf_read, + .release = lsse_sdf_release, +}; + +static const struct miscdevice lsse_sdf_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "lsse_sdf", + .fops = &lsse_sdf_fops, +}; + +static int lsse_sdf_probe(struct platform_device *pdev) +{ + int msg_size; + int ret; + + se_sdf_dev = kzalloc(sizeof(*se_sdf_dev), GFP_KERNEL); + if (IS_ERR_OR_NULL(se_sdf_dev)) + return PTR_ERR(se_sdf_dev); + + mutex_init(&se_sdf_dev->data_lock); + init_waitqueue_head(&se_sdf_dev->wq); + se_sdf_dev->processing_cmd = false; + + msg_size = 2 * sizeof(struct se_sdf_msg); + se_sdf_dev->se_ch = se_init_ch(SE_CH_SDF, SE_SDF_BUFSIZE, msg_size, + se_sdf_dev, lsse_sdf_complete); + + ret = misc_register(&lsse_sdf_miscdev); + if (ret < 0) { + pr_err("register sdf dev failed!\n"); + goto out; + } + + return 0; + +out: + kfree(se_sdf_dev); + + return ret; +} + +static int lsse_sdf_remove(struct platform_device *pdev) +{ + misc_deregister(&lsse_sdf_miscdev); + se_deinit_ch(se_sdf_dev->se_ch); + kfree(se_sdf_dev); + + return 0; +} + +static struct platform_driver loongson_sdf_driver = { + .probe = lsse_sdf_probe, + .remove = lsse_sdf_remove, + .driver = { + .name = "loongson-sdf", + }, +}; +module_platform_driver(loongson_sdf_driver); + +MODULE_ALIAS("platform:loongson-sdf"); +MODULE_AUTHOR("Yinggang Gu"); +MODULE_DESCRIPTION("Loongson SE sdf driver"); +MODULE_LICENSE("GPL"); -- 2.33.0

2 1

[PATCH OLK-6.6 0/4] LoongArch: fix some 3C6000&LS7A related problems
by Hongchen Zhang 23 Oct '24

23 Oct '24

gaojuxin (1): LoongArch: Add workaround for 3C6000 about io wr/rd wusheng (1): pci/quirks: LS7A2000 enble msi zhangtianyang (1): Loongarch: Dynamic enable writecombine zhenghaowei (1): acpi: mcfg quirk: Increased multi-chip support for the 3C6000 arch/loongarch/include/asm/irq.h | 4 +- arch/loongarch/kernel/setup.c | 30 ++++++++++- arch/loongarch/kernel/smp.c | 20 ++++++- drivers/acpi/pci_mcfg.c | 13 +++++ drivers/pci/quirks.c | 13 +++++ include/asm-generic/io.h | 90 ++++++++++++++++++++++++++++++-- include/drm/drm_cache.h | 2 +- 7 files changed, 162 insertions(+), 10 deletions(-) -- 2.33.0

2 5

[PATCH OLK-6.6] LoongArch: prevent LS7A Bus Master clearing on kexec
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Ming Wang <wangming01(a)loongson.cn> LoongArch inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3M1 -------------------------------- This is similar to commit 62b6dee1b44a ("PCI/portdrv: Prevent LS7A Bus Master clearing on shutdown"), which prevents LS7A Bus Master clearing on kexec. The key point of this is to work around the LS7A defect that clearing PCI_COMMAND_MASTER prevents MMIO requests from going downstream, and we may need to do that even after .shutdown(), e.g., to print console messages. And in this case we rely on .shutdown() for the downstream devices to disable interrupts and DMA. Only skip Bus Master clearing on bridges because endpoint devices still need it. Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Ming Wang <wangming01(a)loongson.cn> --- drivers/pci/pci-driver.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 9c59bf03d657..b699839a7d4f 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -526,7 +526,11 @@ static void pci_device_shutdown(struct device *dev) * If it is not a kexec reboot, firmware will hit the PCI * devices with big hammer and stop their DMA any way. */ +#ifdef CONFIG_LOONGARCH + if (kexec_in_progress && !pci_is_bridge(pci_dev) && (pci_dev->current_state <= PCI_D3hot)) +#else if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot)) +#endif pci_clear_master(pci_dev); } -- 2.33.0

2 1

[PATCH OLK-6.6] LoongArch: add loongson SE SDF support
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Zhao Qunqin <zhaoqunqin(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3GN -------------------------------- Signed-off-by: Zhao Qunqin <zhaoqunqin(a)loongson.cn> --- arch/loongarch/include/asm/se.h | 146 ++++++++ drivers/char/Kconfig | 18 + drivers/char/Makefile | 2 + drivers/char/loongson_se.c | 598 ++++++++++++++++++++++++++++++++ drivers/char/lsse_sdf_cdev.c | 381 ++++++++++++++++++++ 5 files changed, 1145 insertions(+) create mode 100644 arch/loongarch/include/asm/se.h create mode 100644 drivers/char/loongson_se.c create mode 100644 drivers/char/lsse_sdf_cdev.c diff --git a/arch/loongarch/include/asm/se.h b/arch/loongarch/include/asm/se.h new file mode 100644 index 000000000000..a6b968d2d545 --- /dev/null +++ b/arch/loongarch/include/asm/se.h @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2012 IBM Corporation + * + * Copyright 2023 Loongson Technology, Inc. + * Yinggang Gu <guyinggang(a)loongson.cn> + * + * Device driver for Loongson SE module. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2 of the + * License. + * + */ +#ifndef __LOONGSON_SE_H__ +#define __LOONGSON_SE_H__ + +#define SE_MAILBOX_S 0x0 +#define SE_MAILBOX_L 0x20 +#define SE_S2LINT_STAT 0x88 +#define SE_S2LINT_EN 0x8c +#define SE_S2LINT_SET 0x90 +#define SE_S2LINT_CL 0x94 +#define SE_L2SINT_STAT 0x98 +#define SE_L2SINT_EN 0x9c +#define SE_L2SINT_SET 0xa0 +#define SE_L2SINT_CL 0xa4 + +/* INT bit definition */ +#define SE_INT_SETUP BIT(0) +#define SE_INT_SM2 BIT(0) +#define SE_INT_SM3 BIT(0) +#define SE_INT_SM4 BIT(0) +#define SE_INT_RNG BIT(0) +#define SE_INT_TPM BIT(5) +#define SE_INT_ALL 0xffffffff + +#define SE_CMD_START 0x0 +#define SE_CMD_STOP 0x1 +#define SE_CMD_GETVER 0x2 +#define SE_CMD_SETBUF 0x3 +#define SE_CMD_SETMSG 0x4 + +#define SE_CMD_RNG 0x100 + +#define SE_CMD_SM2_SIGN 0x200 +#define SE_CMD_SM2_VSIGN 0x201 + +#define SE_CMD_SM3_DIGEST 0x300 +#define SE_CMD_SM3_UPDATE 0x301 +#define SE_CMD_SM3_FINISH 0x302 + +#define SE_CMD_SM4_ECB_ENCRY 0x400 +#define SE_CMD_SM4_ECB_DECRY 0x401 +#define SE_CMD_SM4_CBC_ENCRY 0x402 +#define SE_CMD_SM4_CBC_DECRY 0x403 +#define SE_CMD_SM4_CTR 0x404 + +#define SE_CMD_TPM 0x500 +#define SE_CMD_ZUC_INIT_READ 0x600 +#define SE_CMD_ZUC_READ 0x601 + +#define SE_CMD_SDF 0x700 + +#define SE_CH_MAX 32 + +#define SE_CH_RNG 1 +#define SE_CH_SM2 2 +#define SE_CH_SM3 3 +#define SE_CH_SM4 4 +#define SE_CH_TPM 5 +#define SE_CH_ZUC 6 +#define SE_CH_SDF 7 + +struct se_msg { + u32 cmd; + u32 data_off; + u32 data_len; + u32 info[5]; +}; + +struct se_cmd { + u32 cmd; + u32 info[7]; +}; + +struct se_res { + u32 cmd; + u32 cmd_ret; + u32 info[6]; +}; + +struct se_mailbox_data { + u32 int_bit; + union { + u32 mailbox[8]; + struct se_cmd gcmd; + struct se_res res; + } u; +}; + +struct lsse_ch { + u32 id; + u32 int_bit; + struct loongson_se *se; + void *priv; + spinlock_t ch_lock; + void *smsg; + void *rmsg; + int msg_size; + void *data_buffer; + dma_addr_t data_addr; + int data_size; + + void (*complete)(struct lsse_ch *se_ch); +}; + +struct loongson_se { + struct device *dev; + void __iomem *base; + u32 version; + u32 ch_status; + spinlock_t cmd_lock; + spinlock_t dev_lock; + + /* Interaction memory */ + void *mem_base; + dma_addr_t mem_addr; + unsigned long *mem_map; + int mem_map_size; + void *smsg; + void *rmsg; + + /* Synchronous CMD */ + struct completion cmd_completion; + + /* Virtual Channel */ + struct lsse_ch chs[SE_CH_MAX]; +}; + +struct lsse_ch *se_init_ch(int id, int data_size, int msg_size, void *priv, + void (*complete)(struct lsse_ch *se_ch)); +void se_deinit_ch(struct lsse_ch *ch); +int se_send_ch_requeset(struct lsse_ch *ch); + +#endif diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 625af75833fc..8a5e272bdc78 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -391,6 +391,24 @@ config UV_MMTIMER The uv_mmtimer device allows direct userspace access to the UV system timer. +config LOONGSON_SE + tristate "LOONGSON SECURITY MODULE Interface" + depends on LOONGARCH + default m + help + If you have LOONGSON security module (SE) support say Yes and it + will be accessible from within Linux. To compile this driver + as a module, choose M here; the module will be called loongson-se. + +config LOONGSON_SE_SDF + tristate "LOONGSON SECURITY MODULE SDF Interface" + depends on LOONGARCH && LOONGSON_SE + default m + help + If you want to use LOONGSON security module (SE) as SDF say Yes + and it will be accessible from within Linux. To compile this driver + as a module, choose M here; + source "drivers/char/tpm/Kconfig" config TELCLOCK diff --git a/drivers/char/Makefile b/drivers/char/Makefile index c5f532e412f1..109af71c5416 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -32,6 +32,8 @@ obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o obj-$(CONFIG_TELCLOCK) += tlclk.o +obj-$(CONFIG_LOONGSON_SE) += loongson_se.o +obj-$(CONFIG_LOONGSON_SE_SDF) += lsse_sdf_cdev.o obj-$(CONFIG_MWAVE) += mwave/ obj-y += agp/ diff --git a/drivers/char/loongson_se.c b/drivers/char/loongson_se.c new file mode 100644 index 000000000000..5c010b2e8d8c --- /dev/null +++ b/drivers/char/loongson_se.c @@ -0,0 +1,598 @@ +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/cdev.h> +#include <linux/device.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/miscdevice.h> +#include <linux/iopoll.h> +#include <linux/dma-mapping.h> +#include <linux/interrupt.h> +#include <asm/se.h> + +static int se_mem_size = 0x800000; +module_param(se_mem_size, int, S_IRUGO); +MODULE_PARM_DESC(se_mem_size, "LOONGSON SE shared memory size"); + +static int se_mem_page = PAGE_SIZE; +module_param(se_mem_page, int, S_IRUGO); +MODULE_PARM_DESC(se_mem_page, "LOONGSON SE shared memory page size"); + +static struct loongson_se se_dev; + +static int lsse_open(struct inode *inode, struct file *filp) +{ + return 0; +} + +static ssize_t lsse_write(struct file *filp, const char __user *buf, + size_t cnt, loff_t *offt) +{ + return 0; +} + +static struct file_operations lsse_fops = { + .owner = THIS_MODULE, + .open = lsse_open, + .write = lsse_write, +}; + +static struct miscdevice lsse_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "loongson-se", + .fops = &lsse_fops, +}; + +static inline u32 se_readl(u64 addr) +{ + return readl(se_dev.base + addr); +} + +static inline void se_writel(u32 val, u64 addr) +{ + writel(val, se_dev.base + addr); +} + +static inline bool se_ch_status(struct loongson_se *se, u32 int_bit) +{ + return !!(se->ch_status & int_bit) == 1; +} + +static void se_enable_int(struct loongson_se *se, u32 int_bit) +{ + unsigned long flag; + u32 tmp; + + if (!int_bit) + return; + + spin_lock_irqsave(&se->dev_lock, flag); + + tmp = se_readl(SE_S2LINT_EN); + tmp |= int_bit; + se_writel(tmp, SE_S2LINT_EN); + + spin_unlock_irqrestore(&se->dev_lock, flag); +} + +static void se_disable_int(struct loongson_se *se, u32 int_bit) +{ + unsigned long flag; + u32 tmp; + + if (!int_bit) + return; + + spin_lock_irqsave(&se->dev_lock, flag); + + tmp = se_readl(SE_S2LINT_EN); + tmp &= ~(int_bit); + se_writel(tmp, SE_S2LINT_EN); + + spin_unlock_irqrestore(&se->dev_lock, flag); +} + +static int se_send_requeset(struct loongson_se *se, + struct se_mailbox_data *req) +{ + unsigned long flag; + u32 status; + int err = 0; + int i; + + if (!se || !req) + return -EINVAL; + + if (se_readl(SE_L2SINT_STAT) || + !(se_readl(SE_L2SINT_EN) & req->int_bit)) + return -EBUSY; + + spin_lock_irqsave(&se->cmd_lock, flag); + + for (i = 0; i < ARRAY_SIZE(req->u.mailbox); i++) + se_writel(req->u.mailbox[i], SE_MAILBOX_S + i * 4); + + se_writel(req->int_bit, SE_L2SINT_SET); + + err = readl_relaxed_poll_timeout_atomic(se->base + SE_L2SINT_STAT, status, + !(status & req->int_bit), 10, 10000); + + spin_unlock_irqrestore(&se->cmd_lock, flag); + + return err; +} + +static int se_get_response(struct loongson_se *se, + struct se_mailbox_data *res) +{ + unsigned long flag; + int i; + + if (!se || !res) + return -EINVAL; + + if ((se_readl(SE_S2LINT_STAT) & res->int_bit) == 0) + return -EBUSY; + + spin_lock_irqsave(&se->cmd_lock, flag); + + for (i = 0; i < ARRAY_SIZE(res->u.mailbox); i++) + res->u.mailbox[i] = se_readl(SE_MAILBOX_L + i * 4); + + se_writel(res->int_bit, SE_S2LINT_CL); + + spin_unlock_irqrestore(&se->cmd_lock, flag); + + return 0; +} + +static int loongson_se_get_res(struct loongson_se *se, u32 int_bit, u32 cmd, + struct se_mailbox_data *res) +{ + int err = 0; + + res->int_bit = int_bit; + + if (se_get_response(se, res)) { + dev_err(se->dev, "Int 0x%x get response fail.\n", int_bit); + return -EFAULT; + } + + /* Check response */ + if (res->u.res.cmd == cmd) + err = 0; + else { + dev_err(se->dev, "Response cmd is 0x%x, not expect cmd 0x%x.\n", + res->u.res.cmd, cmd); + err = -EFAULT; + } + + return err; +} + +static int se_send_genl_cmd(struct loongson_se *se, struct se_mailbox_data *req, + struct se_mailbox_data *res, int retry) +{ + int err = 0, cnt = 0; + +try_again: + if (cnt++ >= retry) { + err = -ETIMEDOUT; + goto out; + } + + dev_dbg(se->dev, "%d time send cmd 0x%x\n", cnt, req->u.gcmd.cmd); + + err = se_send_requeset(se, req); + if (err) + goto try_again; + + if (!wait_for_completion_timeout(&se->cmd_completion, + msecs_to_jiffies(0x1000))) { + se_enable_int(se, req->int_bit); + goto try_again; + } + + err = loongson_se_get_res(se, req->int_bit, req->u.gcmd.cmd, res); + if (err || res->u.res.cmd_ret) { + se_enable_int(se, req->int_bit); + goto try_again; + } + +out: + se_enable_int(se, req->int_bit); + + return err; +} + +static int loongson_se_set_msg(struct lsse_ch *ch) +{ + struct loongson_se *se = ch->se; + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + int err; + + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_SETMSG; + /* MSG off */ + req.u.gcmd.info[0] = ch->id; + req.u.gcmd.info[1] = ch->smsg - se->mem_base; + req.u.gcmd.info[2] = ch->msg_size; + + dev_dbg(se->dev, "Set Channel %d msg off 0x%x, msg size %d\n", ch->id, + req.u.gcmd.info[1], req.u.gcmd.info[2]); + + err = se_send_genl_cmd(se, &req, &res, 5); + if (res.u.res.cmd_ret) + return res.u.res.cmd_ret; + + return err; +} + +static irqreturn_t loongson_se_irq(int irq, void *dev_id) +{ + struct loongson_se *se = (struct loongson_se *)dev_id; + struct lsse_ch *ch; + u32 int_status; + + int_status = se_readl(SE_S2LINT_STAT); + + dev_dbg(se->dev, "%s int status is 0x%x\n", __func__, int_status); + + se_disable_int(se, int_status); + + if (int_status & SE_INT_SETUP) { + complete(&se->cmd_completion); + int_status &= ~SE_INT_SETUP; + } + + while (int_status) { + int id = __ffs(int_status); + ch = &se->chs[id]; + if (ch->complete) + ch->complete(ch); + int_status &= ~BIT(id); + se_writel(BIT(id), SE_S2LINT_CL); + } + + return IRQ_HANDLED; +} + +static int se_init_hw(struct loongson_se *se) +{ + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + struct device *dev = se->dev; + int err, retry = 5; + u64 size; + + size = se_mem_size; + + if (size & (size - 1)) { + size = roundup_pow_of_two(size); + se_mem_size = size; + } + + se_enable_int(se, SE_INT_SETUP); + + /* Start engine */ + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_START; + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + /* Get Version */ + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_GETVER; + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + se->version = res.u.res.info[0]; + + /* Setup data buffer */ + se->mem_base = dmam_alloc_coherent(dev, size, + &se->mem_addr, GFP_KERNEL); + if (!se->mem_base) + return -ENOMEM; + + memset(se->mem_base, 0, size); + + memset(&req, 0, sizeof(struct se_mailbox_data)); + memset(&res, 0, sizeof(struct se_mailbox_data)); + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_SETBUF; + /* MMAP */ + req.u.gcmd.info[0] = (se->mem_addr & 0xffffffff) | 0x80; + req.u.gcmd.info[1] = se->mem_addr >> 32; + /* MASK */ + req.u.gcmd.info[2] = ~(size - 1); + req.u.gcmd.info[3] = 0xffffffff; + + pr_debug("Set win mmap 0x%llx, mask 0x%llx\n", + ((u64)req.u.gcmd.info[1] << 32) | req.u.gcmd.info[0], + ((u64)req.u.gcmd.info[3] << 32) | req.u.gcmd.info[2]); + + err = se_send_genl_cmd(se, &req, &res, retry); + if (err) + return err; + + se->mem_map_size = size / se_mem_page; + se->mem_map = bitmap_zalloc(se->mem_map_size, GFP_KERNEL); + if (!se->mem_map) + return -ENOMEM; + + dev_info(se->dev, "SE module setup down, shared memory size is 0x%x bytes, " + "memory page size is 0x%x bytes\n", + se_mem_size, se_mem_page); + + return err; +} + +static void loongson_se_disable_hw(struct loongson_se *se) +{ + struct se_mailbox_data req = {0}; + struct se_mailbox_data res = {0}; + int retry = 5; + + /* Stop engine */ + req.int_bit = SE_INT_SETUP; + req.u.gcmd.cmd = SE_CMD_STOP; + se_send_genl_cmd(se, &req, &res, retry); + + se_disable_int(se, SE_INT_ALL); + kfree(se->mem_map); +} + +int se_send_ch_requeset(struct lsse_ch *ch) +{ + struct loongson_se *se; + u32 status, int_bit; + int err = 0; + + if (!ch) + return -EINVAL; + + se = ch->se; + int_bit = ch->int_bit; + + if ((se_readl(SE_L2SINT_STAT) & int_bit) || + !(se_readl(SE_L2SINT_EN) & int_bit)) + return -EBUSY; + + se_enable_int(se, int_bit); + se_writel(int_bit, SE_L2SINT_SET); + + err = readl_relaxed_poll_timeout_atomic(se->base + SE_L2SINT_STAT, status, + !(status & int_bit), 10, 10000); + + return err; +} +EXPORT_SYMBOL_GPL(se_send_ch_requeset); + +struct lsse_ch *se_init_ch(int id, int data_size, int msg_size, void *priv, + void (*complete)(struct lsse_ch *se_ch)) +{ + struct loongson_se *se = &se_dev; + struct lsse_ch *ch; + unsigned long flag; + int data_first, data_nr; + int msg_first, msg_nr; + + if (!se) { + pr_err("SE has bot been initialized\n"); + return NULL; + } + + if (id == 0 || id > SE_CH_MAX) { + dev_err(se->dev, "Channel number %d is invalid\n", id); + return NULL; + } + + if (se_ch_status(se, BIT(id))) { + dev_err(se->dev, "Channel number %d has been initialized\n", id); + return NULL; + } + + spin_lock_irqsave(&se->dev_lock, flag); + + ch = &se_dev.chs[id]; + ch->se = se; + ch->id = id; + ch->int_bit = BIT(id); + se->ch_status |= BIT(id); + + data_nr = round_up(data_size, se_mem_page) / se_mem_page; + data_first = bitmap_find_next_zero_area(se->mem_map, se->mem_map_size, + 0, data_nr, 0); + if (data_first >= se->mem_map_size) { + dev_err(se->dev, "Insufficient memory space\n"); + spin_unlock_irqrestore(&se->dev_lock, flag); + return NULL; + } + + bitmap_set(se->mem_map, data_first, data_nr); + ch->data_buffer = se->mem_base + data_first * se_mem_page; + ch->data_addr = se->mem_addr + data_first * se_mem_page; + ch->data_size = data_size; + + msg_nr = round_up(msg_size, se_mem_page) / se_mem_page; + msg_first = bitmap_find_next_zero_area(se->mem_map, se->mem_map_size, + 0, msg_nr, 0); + if (msg_first >= se->mem_map_size) { + dev_err(se->dev, "Insufficient memory space\n"); + bitmap_clear(se->mem_map, data_first, data_nr); + spin_unlock_irqrestore(&se->dev_lock, flag); + return NULL; + } + + bitmap_set(se->mem_map, msg_first, msg_nr); + ch->smsg = se->mem_base + msg_first * se_mem_page; + ch->rmsg = ch->smsg + msg_size / 2; + ch->msg_size = msg_size; + + ch->complete = complete; + ch->priv = priv; + + spin_lock_init(&ch->ch_lock); + + spin_unlock_irqrestore(&se->dev_lock, flag); + + if (loongson_se_set_msg(ch)) { + dev_err(se->dev, "Channel %d setup message address failed\n", id); + return NULL; + } + + se_enable_int(se, ch->int_bit); + + return ch; +} +EXPORT_SYMBOL_GPL(se_init_ch); + +void se_deinit_ch(struct lsse_ch *ch) +{ + struct loongson_se *se = &se_dev; + unsigned long flag; + int first, nr; + int id = ch->id; + + if (!se) { + pr_err("SE has bot been initialized\n"); + return; + } + + if (id == 0 || id > SE_CH_MAX) { + dev_err(se->dev, "Channel number %d is invalid\n", id); + return; + } + + if (!se_ch_status(se, BIT(id))) { + dev_err(se->dev, "Channel number %d has not been initialized\n", id); + return; + } + + spin_lock_irqsave(&se->dev_lock, flag); + + se->ch_status &= ~BIT(ch->id); + + first = (ch->data_buffer - se->mem_base) / se_mem_page; + nr = round_up(ch->data_size, se_mem_page) / se_mem_page; + bitmap_clear(se->mem_map, first, nr); + + first = (ch->smsg - se->mem_base) / se_mem_page; + nr = round_up(ch->msg_size, se_mem_page) / se_mem_page; + bitmap_clear(se->mem_map, first, nr); + + spin_unlock_irqrestore(&se->dev_lock, flag); + + se_disable_int(se, ch->int_bit); +} +EXPORT_SYMBOL_GPL(se_deinit_ch); + +static struct platform_device lsse_sdf_pdev = { + .name = "loongson-sdf", + .id = -1, +}; + +static const struct of_device_id loongson_se_of_match[] = { + { .compatible = "loongson,ls3c6000se", }, + {} +}; +MODULE_DEVICE_TABLE(of, loongson_se_of_match); + +static int loongson_se_probe(struct platform_device *pdev) +{ + struct loongson_se *se = &se_dev; + struct resource *res; + struct device *dev = &pdev->dev; + int nr_irq, err, i; + int irq[8]; + + nr_irq = platform_irq_count(pdev); + if (nr_irq < 0) + return -ENODEV; + + for (i = 0; i < nr_irq; i++) { + irq[i] = platform_get_irq(pdev, i); + if (irq[i] < 0) + return -ENODEV; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + se->base = devm_ioremap_resource(dev, res); + if (IS_ERR(se->base)) + return PTR_ERR(se->base); + + se->dev = &pdev->dev; + platform_set_drvdata(pdev, se); + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + init_completion(&se->cmd_completion); + spin_lock_init(&se->cmd_lock); + spin_lock_init(&se->dev_lock); + + for (i = 0; i < nr_irq; i++) { + err = devm_request_irq(dev, irq[i], loongson_se_irq, 0, + "loongson-se", se); + if (err) + goto out; + } + + err = se_init_hw(se); + if (err) + goto disable_hw; + + err = misc_register(&lsse_miscdev); + if (err) + goto disable_hw; + + err = platform_device_register(&lsse_sdf_pdev); + if (err) + pr_err("register sdf device failed\n"); + + return 0; + +disable_hw: + loongson_se_disable_hw(se); +out: + for (; i>=0; i--) + devm_free_irq(dev, irq[i], se); + return err; +} + +static int loongson_se_remove(struct platform_device *pdev) +{ + struct loongson_se *se = platform_get_drvdata(pdev); + + misc_deregister(&lsse_miscdev); + loongson_se_disable_hw(se); + platform_device_unregister(&lsse_sdf_pdev); + + return 0; +} + +static struct platform_driver loongson_se_driver = { + .probe = loongson_se_probe, + .remove = loongson_se_remove, + .driver = { + .name = "loongson-se", + .of_match_table = loongson_se_of_match, + }, +}; + +module_platform_driver(loongson_se_driver); + +MODULE_AUTHOR("Yinggang Gu"); +MODULE_DESCRIPTION("Loongson SE driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/char/lsse_sdf_cdev.c b/drivers/char/lsse_sdf_cdev.c new file mode 100644 index 000000000000..edadb56f2273 --- /dev/null +++ b/drivers/char/lsse_sdf_cdev.c @@ -0,0 +1,381 @@ +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/cdev.h> +#include <linux/module.h> +#include <linux/wait.h> +#include <linux/of.h> +#include <linux/iopoll.h> +#include <linux/platform_device.h> +#include <linux/uaccess.h> +#include <asm/se.h> +#include <linux/list.h> + +#define SE_SDF_BUFSIZE (PAGE_SIZE * 2) +#define SDF_OPENSESSION 0x204 +#define SDF_CLOSESESSION 0x205 + +struct lsse_sdf_dev { + struct lsse_ch *se_ch; + struct mutex data_lock; + bool processing_cmd; + + /* Synchronous CMD */ + wait_queue_head_t wq; +}; + +struct se_sdf_msg { + u32 cmd; + u32 data_off; + u32 data_len; + u32 info[5]; +}; + +struct sdf_command_header { + int command; + union { + int param_cnt; + int ret; + } u; + int param_len[14]; +}; + +struct sdf_kernel_command { + struct sdf_command_header header; + void *handle; +}; + +#define KERNEL_COMMAND_SIZE (sizeof(struct sdf_kernel_command)) + +struct sdf_handle { + struct list_head handle_list; + void *handle; +}; + +struct sdf_file_pvt_data { + struct lsse_sdf_dev *se; + struct list_head handle_list; + struct sdf_kernel_command skc; + struct sdf_handle *ph; +}; + +static struct lsse_sdf_dev *se_sdf_dev; + +static void lsse_sdf_complete(struct lsse_ch *ch) +{ + struct lsse_sdf_dev *se = (struct lsse_sdf_dev *)ch->priv; + + se->processing_cmd = false; + wake_up(&se->wq); +} + +static int se_send_sdf_cmd(struct lsse_sdf_dev *se, int len, int retry) +{ + struct se_sdf_msg *smsg = (struct se_sdf_msg *)se->se_ch->smsg; + unsigned long flag; + int err; + + spin_lock_irqsave(&se->se_ch->ch_lock, flag); + + smsg->cmd = SE_CMD_SDF; + /* One time one cmd */ + smsg->data_off = se->se_ch->data_buffer - se->se_ch->se->mem_base; + smsg->data_len = len; + +try_again: + if (!retry--) + goto out; + + pr_debug("Send sdf cmd, last retry %d times\n", retry); + + err = se_send_ch_requeset(se->se_ch); + if (err) { + udelay(5); + goto try_again; + } + +out: + spin_unlock_irqrestore(&se->se_ch->ch_lock, flag); + + return err; +} + +static int lsse_sdf_recv(struct sdf_file_pvt_data *pvt, char *buf, + size_t size, int user, int *se_ret) +{ + int len, time, ret = 0; + struct se_sdf_msg *rmsg; + struct sdf_kernel_command *skc; + struct sdf_handle *ph; + struct lsse_sdf_dev *se = pvt->se; + + if (!se->se_ch->rmsg) { + pr_err("se device is not ready\n"); + return -EBUSY; + } + + time = wait_event_timeout(se->wq, !se->processing_cmd, HZ*30); + if (!time) + return -ETIME; + + rmsg = (struct se_sdf_msg *)se->se_ch->rmsg; + if (rmsg->cmd != SE_CMD_SDF) { + pr_err("se get wrong response\n"); + return -EIO; + } + len = rmsg->data_len; + + if ((!user && len > KERNEL_COMMAND_SIZE) || len > SE_SDF_BUFSIZE + || (size && len > size)) + return -E2BIG; + + if (user) { + ret = copy_to_user((char __user *)buf, + se->se_ch->data_buffer + rmsg->data_off, len); + if (!se_ret) + return ret; + + skc = (struct sdf_kernel_command *) + (se->se_ch->data_buffer + rmsg->data_off); + *se_ret = skc->header.u.ret; + if (skc->header.command == SDF_OPENSESSION && !*se_ret) { + ph = kmalloc(sizeof(*ph), GFP_KERNEL); + if (!ph) + return -ENOMEM; + ph->handle = skc->handle; + list_add(&ph->handle_list, &pvt->handle_list); + } + } + else + memcpy(buf, se->se_ch->data_buffer + rmsg->data_off, len); + + return ret; +} + +static struct sdf_handle *find_sdf_handle(void *handle, + struct sdf_file_pvt_data *pvt) +{ + struct sdf_handle *ph; + + list_for_each_entry(ph, &pvt->handle_list, handle_list) { + if (ph->handle == handle) + return ph; + } + + return NULL; +} + +static int lsse_sdf_send(struct sdf_file_pvt_data *pvt, const char *buf, + size_t count, int user) +{ + int ret, se_ret; + struct sdf_handle *ph = NULL; + struct sdf_kernel_command *skc; + struct lsse_sdf_dev *se = pvt->se; + + if (!se->se_ch->smsg) { + pr_err("se device is not ready\n"); + return 0; + } + + if (count > se->se_ch->data_size) { + pr_err("Invalid size in send: count=%zd, size=%d\n", + count, se->se_ch->data_size); + return -EIO; + } + + if (user) { + ret = mutex_lock_interruptible(&se->data_lock); + if (ret) + goto out; + } else + mutex_lock(&se->data_lock); + + if (user) { + ret = copy_from_user(se->se_ch->data_buffer, buf, count); + if (ret) { + ret = -EFAULT; + goto out_unlock; + } + skc = (struct sdf_kernel_command *)se->se_ch->data_buffer; + if (skc->header.command == SDF_CLOSESESSION) { + ph = find_sdf_handle(skc->handle, pvt); + } + } + else + memcpy(se->se_ch->data_buffer, buf, count); + + se->processing_cmd = true; + ret = se_send_sdf_cmd(se, count, 5); + if (ret) { + pr_err("se_send_sdf_cmd failed\n"); + goto out_unlock; + } + + ret = lsse_sdf_recv(pvt, (char *)buf, 0, user, &se_ret); + if (ret) { + pr_err("recv failed ret: %x\n", ret); + goto out_unlock; + } + if (ph && !se_ret) { + list_del(&ph->handle_list); + kfree(ph); + } +out_unlock: + mutex_unlock(&se->data_lock); +out: + return ret; +} + +static ssize_t lsse_sdf_write(struct file *filp, const char __user *buf, + size_t cnt, loff_t *offt) +{ + struct sdf_file_pvt_data *pvt = filp->private_data; + + if (cnt > SE_SDF_BUFSIZE) + return -E2BIG; + + if (lsse_sdf_send(pvt, buf, cnt, 1)) + return -EFAULT; + + return cnt; +} + +static ssize_t lsse_sdf_read(struct file *filp, char __user *buf, + size_t size, loff_t *off) +{ + return lsse_sdf_recv(filp->private_data, buf, size, 1, NULL); +} + +static int close_one_handle(struct sdf_file_pvt_data *pvt, struct sdf_handle *ph) +{ + struct sdf_kernel_command *skc = &pvt->skc; + + skc->header.command = 0x205; + skc->header.u.param_cnt = 1; + skc->header.param_len[0] = 8; + skc->handle = ph->handle; + /* close one session */ + lsse_sdf_send(pvt, (char *)&pvt->skc, KERNEL_COMMAND_SIZE, 0); + if (skc->header.u.ret) { + pr_err("Auto Close Session failed, session handle: %llx, ret: %d\n", + (u64)ph->handle, skc->header.u.ret); + return skc->header.u.ret; + } + kfree(ph); + + return 0; +} + +static int close_all_handle(struct sdf_file_pvt_data *pvt) +{ + int ret = 0; + struct sdf_handle *ph, *tmp; + + list_for_each_entry_safe(ph, tmp, &pvt->handle_list, handle_list) { + list_del(&ph->handle_list); + ret = close_one_handle(pvt, ph); + if (ret) + return ret; + } + + return 0; +} + +static int lsse_sdf_release(struct inode *inode, struct file *filp) +{ + int ret; + struct sdf_file_pvt_data *pvt = filp->private_data; + + ret = close_all_handle(pvt); + filp->private_data = NULL; + kfree(pvt); + + if (ret) + ret = -EFAULT; + return ret; +} + +static int lsse_sdf_open(struct inode *inode, struct file *filp) +{ + struct sdf_file_pvt_data *pvt = kmalloc(sizeof(*pvt), GFP_KERNEL); + + if (!pvt) + return -ENOMEM; + + INIT_LIST_HEAD(&pvt->handle_list); + pvt->se = se_sdf_dev; + filp->private_data = pvt; + + return 0; +} + +static struct file_operations lsse_sdf_fops = { + .owner = THIS_MODULE, + .open = lsse_sdf_open, + .write = lsse_sdf_write, + .read = lsse_sdf_read, + .release = lsse_sdf_release, +}; + +static struct miscdevice lsse_sdf_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "lsse_sdf", + .fops = &lsse_sdf_fops, +}; + +static int lsse_sdf_probe(struct platform_device *pdev) +{ + int msg_size; + int ret; + + se_sdf_dev = kzalloc(sizeof(*se_sdf_dev), GFP_KERNEL); + if (IS_ERR_OR_NULL(se_sdf_dev)) + return PTR_ERR(se_sdf_dev); + + mutex_init(&se_sdf_dev->data_lock); + init_waitqueue_head(&se_sdf_dev->wq); + se_sdf_dev->processing_cmd = false; + + msg_size = 2 * sizeof(struct se_sdf_msg); + se_sdf_dev->se_ch = se_init_ch(SE_CH_SDF, SE_SDF_BUFSIZE, msg_size, + se_sdf_dev, lsse_sdf_complete); + + ret = misc_register(&lsse_sdf_miscdev); + if (ret < 0) { + pr_err("register sdf dev failed!\n"); + goto out; + } + + return 0; + +out: + kfree(se_sdf_dev); + + return ret; +} + +static int lsse_sdf_remove(struct platform_device *pdev) +{ + misc_deregister(&lsse_sdf_miscdev); + se_deinit_ch(se_sdf_dev->se_ch); + kfree(se_sdf_dev); + + return 0; +} + +static struct platform_driver loongson_sdf_driver = { + .probe = lsse_sdf_probe, + .remove = lsse_sdf_remove, + .driver = { + .name = "loongson-sdf", + }, +}; +module_platform_driver(loongson_sdf_driver); + +MODULE_ALIAS("platform:loongson-sdf"); +MODULE_AUTHOR("Yinggang Gu"); +MODULE_DESCRIPTION("Loongson SE sdf driver"); +MODULE_LICENSE("GPL"); -- 2.33.0

2 1

[PATCH OLK-6.6] LoongArch: Add AVEC irqchip support
by Hongchen Zhang 23 Oct '24

23 Oct '24

From: Tianyang Zhang <zhangtianyang(a)loongson.cn> LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ3D3 -------------------------------- Introduce the advanced extended interrupt controllers (AVECINTC). This feature will allow each core to have 256 independent interrupt vectors and MSI interrupts can be independently routed to any vector on any CPU. Co-developed-by: Jianmin Lv <lvjianmin(a)loongson.cn> Signed-off-by: Jianmin Lv <lvjianmin(a)loongson.cn> Co-developed-by: Liupu Wang <wangliupu(a)loongson.cn> Signed-off-by: Liupu Wang <wangliupu(a)loongson.cn> Co-developed-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Huacai Chen <chenhuacai(a)loongson.cn> Signed-off-by: Tianyang Zhang <zhangtianyang(a)loongson.cn> --- .../arch/loongarch/irq-chip-model.rst | 32 ++ .../zh_CN/arch/loongarch/irq-chip-model.rst | 32 ++ arch/loongarch/Kconfig | 1 + arch/loongarch/include/asm/cpu-features.h | 1 + arch/loongarch/include/asm/cpu.h | 2 + arch/loongarch/include/asm/hardirq.h | 3 +- arch/loongarch/include/asm/irq.h | 29 +- arch/loongarch/include/asm/loongarch.h | 18 +- arch/loongarch/include/asm/smp.h | 2 + arch/loongarch/kernel/cpu-probe.c | 3 +- arch/loongarch/kernel/irq.c | 13 + arch/loongarch/kernel/legacy_boot.c | 9 + arch/loongarch/kernel/smp.c | 6 + drivers/irqchip/Makefile | 2 +- drivers/irqchip/irq-loongarch-avec.c | 449 ++++++++++++++++++ drivers/irqchip/irq-loongarch-cpu.c | 7 +- drivers/irqchip/irq-loongson-eiointc.c | 9 +- drivers/irqchip/irq-loongson-htvec.c | 2 + drivers/irqchip/irq-loongson-liointc.c | 2 + drivers/irqchip/irq-loongson-pch-lpc.c | 2 + drivers/irqchip/irq-loongson-pch-msi.c | 44 +- drivers/irqchip/irq-loongson-pch-pic.c | 2 + drivers/irqchip/irq-loongson.h | 27 ++ include/linux/cpuhotplug.h | 3 +- 24 files changed, 669 insertions(+), 31 deletions(-) create mode 100644 drivers/irqchip/irq-loongarch-avec.c create mode 100644 drivers/irqchip/irq-loongson.h diff --git a/Documentation/arch/loongarch/irq-chip-model.rst b/Documentation/arch/loongarch/irq-chip-model.rst index 7988f4192363..6dd48256e39f 100644 --- a/Documentation/arch/loongarch/irq-chip-model.rst +++ b/Documentation/arch/loongarch/irq-chip-model.rst @@ -85,6 +85,38 @@ to CPUINTC directly:: | Devices | +---------+ +Advanced Extended IRQ model +=========================== + +In this model, IPI (Inter-Processor Interrupt) and CPU Local Timer interrupt go +to CPUINTC directly, CPU UARTS interrupts go to LIOINTC, PCH-MSI interrupts go +to AVECINTC, and then go to CPUINTC directly, while all other devices interrupts +go to PCH-PIC/PCH-LPC and gathered by EIOINTC, and then go to CPUINTC directly:: + + +-----+ +-----------------------+ +-------+ + | IPI | --> | CPUINTC | <-- | Timer | + +-----+ +-----------------------+ +-------+ + ^ ^ ^ + | | | + +---------+ +----------+ +---------+ +-------+ + | EIOINTC | | AVECINTC | | LIOINTC | <-- | UARTs | + +---------+ +----------+ +---------+ +-------+ + ^ ^ + | | + +---------+ +---------+ + | PCH-PIC | | PCH-MSI | + +---------+ +---------+ + ^ ^ ^ + | | | + +---------+ +---------+ +---------+ + | Devices | | PCH-LPC | | Devices | + +---------+ +---------+ +---------+ + ^ + | + +---------+ + | Devices | + +---------+ + ACPI-related definitions ======================== diff --git a/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst b/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst index f1e9ab18206c..472761938682 100644 --- a/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst +++ b/Documentation/translations/zh_CN/arch/loongarch/irq-chip-model.rst @@ -87,6 +87,38 @@ PCH-LPC/PCH-MSI，然后被EIOINTC统一收集，再直接到达CPUINTC:: | Devices | +---------+ +高级扩展IRQ模型 +=============== + +在这种模型里面，IPI（Inter-Processor Interrupt）和CPU本地时钟中断直接发送到CPUINTC， +CPU串口（UARTs）中断发送到LIOINTC，PCH-MSI中断发送到AVECINTC，而后通过AVECINTC直接 +送达CPUINTC，而其他所有设备的中断则分别发送到所连接的PCH-PIC/PCH-LPC，然后由EIOINTC +统一收集，再直接到达CPUINTC:: + + +-----+ +-----------------------+ +-------+ + | IPI | --> | CPUINTC | <-- | Timer | + +-----+ +-----------------------+ +-------+ + ^ ^ ^ + | | | + +---------+ +----------+ +---------+ +-------+ + | EIOINTC | | AVECINTC | | LIOINTC | <-- | UARTs | + +---------+ +----------+ +---------+ +-------+ + ^ ^ + | | + +---------+ +---------+ + | PCH-PIC | | PCH-MSI | + +---------+ +---------+ + ^ ^ ^ + | | | + +---------+ +---------+ +---------+ + | Devices | | PCH-LPC | | Devices | + +---------+ +---------+ +---------+ + ^ + | + +---------+ + | Devices | + +---------+ + ACPI相关的定义 ============== diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 58da6e03ecb5..710ec4831887 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -77,6 +77,7 @@ config LOONGARCH select GENERIC_ENTRY select GENERIC_GETTIMEOFDAY select GENERIC_IOREMAP if !ARCH_IOREMAP + select GENERIC_IRQ_MATRIX_ALLOCATOR select GENERIC_IRQ_MULTI_HANDLER select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW diff --git a/arch/loongarch/include/asm/cpu-features.h b/arch/loongarch/include/asm/cpu-features.h index 2eafe6a6aca8..16a716f88a5c 100644 --- a/arch/loongarch/include/asm/cpu-features.h +++ b/arch/loongarch/include/asm/cpu-features.h @@ -65,5 +65,6 @@ #define cpu_has_guestid cpu_opt(LOONGARCH_CPU_GUESTID) #define cpu_has_hypervisor cpu_opt(LOONGARCH_CPU_HYPERVISOR) #define cpu_has_ptw cpu_opt(LOONGARCH_CPU_PTW) +#define cpu_has_avecint cpu_opt(LOONGARCH_CPU_AVECINT) #endif /* __ASM_CPU_FEATURES_H */ diff --git a/arch/loongarch/include/asm/cpu.h b/arch/loongarch/include/asm/cpu.h index 48b9f7168bcc..843f9c4ec980 100644 --- a/arch/loongarch/include/asm/cpu.h +++ b/arch/loongarch/include/asm/cpu.h @@ -99,6 +99,7 @@ enum cpu_type_enum { #define CPU_FEATURE_GUESTID 24 /* CPU has GuestID feature */ #define CPU_FEATURE_HYPERVISOR 25 /* CPU has hypervisor (running in VM) */ #define CPU_FEATURE_PTW 26 /* CPU has hardware page table walker */ +#define CPU_FEATURE_AVECINT 27 /* CPU has avec interrupt */ #define LOONGARCH_CPU_CPUCFG BIT_ULL(CPU_FEATURE_CPUCFG) #define LOONGARCH_CPU_LAM BIT_ULL(CPU_FEATURE_LAM) @@ -127,5 +128,6 @@ enum cpu_type_enum { #define LOONGARCH_CPU_GUESTID BIT_ULL(CPU_FEATURE_GUESTID) #define LOONGARCH_CPU_HYPERVISOR BIT_ULL(CPU_FEATURE_HYPERVISOR) #define LOONGARCH_CPU_PTW BIT_ULL(CPU_FEATURE_PTW) +#define LOONGARCH_CPU_AVECINT BIT_ULL(CPU_FEATURE_AVECINT) #endif /* _ASM_CPU_H */ diff --git a/arch/loongarch/include/asm/hardirq.h b/arch/loongarch/include/asm/hardirq.h index b26d596a73aa..5f70cb77b54d 100644 --- a/arch/loongarch/include/asm/hardirq.h +++ b/arch/loongarch/include/asm/hardirq.h @@ -15,8 +15,9 @@ extern void ack_bad_irq(unsigned int irq); enum ipi_msg_type { IPI_RESCHEDULE, IPI_CALL_FUNCTION, + IPI_CLEAR_VECTOR, }; -#define NR_IPI 2 +#define NR_IPI 3 typedef struct { unsigned int ipi_irqs[NR_IPI]; diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h index 79f4c834ffe8..fc600aed50c8 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -39,6 +39,17 @@ void spurious_interrupt(void); #define NR_IRQS_LEGACY 16 +/* + * 256 Vectors Mapping for AVECINTC: + * + * 0 - 15: Mapping classic IPs, e.g. IP0-12. + * 16 - 255: Mapping vectors for external IRQ. + * + */ +#define NR_VECTORS 256 +#define NR_LEGACY_VECTORS 16 +#define IRQ_MATRIX_BITS NR_VECTORS + #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace extern bool arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu); @@ -67,7 +78,7 @@ extern struct acpi_vector_group msi_group[MAX_IO_PICS]; #define LOONGSON_LPC_LAST_IRQ (LOONGSON_LPC_IRQ_BASE + 15) #define LOONGSON_CPU_IRQ_BASE 16 -#define LOONGSON_CPU_LAST_IRQ (LOONGSON_CPU_IRQ_BASE + 14) +#define LOONGSON_CPU_LAST_IRQ (LOONGSON_CPU_IRQ_BASE + 15) #define LOONGSON_PCH_IRQ_BASE 64 #define LOONGSON_PCH_ACPI_IRQ (LOONGSON_PCH_IRQ_BASE + 47) @@ -90,20 +101,8 @@ struct acpi_madt_bio_pic; struct acpi_madt_msi_pic; struct acpi_madt_lpc_pic; -int liointc_acpi_init(struct irq_domain *parent, - struct acpi_madt_lio_pic *acpi_liointc); -int eiointc_acpi_init(struct irq_domain *parent, - struct acpi_madt_eio_pic *acpi_eiointc); - -int htvec_acpi_init(struct irq_domain *parent, - struct acpi_madt_ht_pic *acpi_htvec); -int pch_lpc_acpi_init(struct irq_domain *parent, - struct acpi_madt_lpc_pic *acpi_pchlpc); -int pch_msi_acpi_init(struct irq_domain *parent, - struct acpi_madt_msi_pic *acpi_pchmsi); -int pch_pic_acpi_init(struct irq_domain *parent, - struct acpi_madt_bio_pic *acpi_pchpic); -int find_pch_pic(u32 gsi); +void complete_irq_moving(void); + struct fwnode_handle *get_pch_msi_handle(int pci_segment); extern struct acpi_madt_lio_pic *acpi_liointc; diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h index e852c0f62eb7..964bcfe08d8a 100644 --- a/arch/loongarch/include/asm/loongarch.h +++ b/arch/loongarch/include/asm/loongarch.h @@ -254,8 +254,8 @@ #define CSR_ESTAT_EXC_WIDTH 6 #define CSR_ESTAT_EXC (_ULCAST_(0x3f) << CSR_ESTAT_EXC_SHIFT) #define CSR_ESTAT_IS_SHIFT 0 -#define CSR_ESTAT_IS_WIDTH 14 -#define CSR_ESTAT_IS (_ULCAST_(0x3fff) << CSR_ESTAT_IS_SHIFT) +#define CSR_ESTAT_IS_WIDTH 15 +#define CSR_ESTAT_IS (_ULCAST_(0x7fff) << CSR_ESTAT_IS_SHIFT) #define LOONGARCH_CSR_ERA 0x6 /* ERA */ @@ -650,6 +650,13 @@ #define LOONGARCH_CSR_CTAG 0x98 /* TagLo + TagHi */ +#define LOONGARCH_CSR_ISR0 0xa0 +#define LOONGARCH_CSR_ISR1 0xa1 +#define LOONGARCH_CSR_ISR2 0xa2 +#define LOONGARCH_CSR_ISR3 0xa3 + +#define LOONGARCH_CSR_IRR 0xa4 + #define LOONGARCH_CSR_PRID 0xc0 /* Shadow MCSR : 0xc0 ~ 0xff */ @@ -1004,7 +1011,7 @@ /* * CSR_ECFG IM */ -#define ECFG0_IM 0x00001fff +#define ECFG0_IM 0x00005fff #define ECFGB_SIP0 0 #define ECFGF_SIP0 (_ULCAST_(1) << ECFGB_SIP0) #define ECFGB_SIP1 1 @@ -1047,6 +1054,7 @@ #define IOCSRF_EIODECODE BIT_ULL(9) #define IOCSRF_FLATMODE BIT_ULL(10) #define IOCSRF_VM BIT_ULL(11) +#define IOCSRF_AVEC BIT_ULL(15) #define LOONGARCH_IOCSR_VENDOR 0x10 @@ -1057,6 +1065,7 @@ #define LOONGARCH_IOCSR_MISC_FUNC 0x420 #define IOCSR_MISC_FUNC_TIMER_RESET BIT_ULL(21) #define IOCSR_MISC_FUNC_EXT_IOI_EN BIT_ULL(48) +#define IOCSR_MISC_FUNC_AVEC_EN BIT_ULL(51) #define LOONGARCH_IOCSR_CPUTEMP 0x428 @@ -1378,9 +1387,10 @@ __BUILD_CSR_OP(tlbidx) #define INT_TI 11 /* Timer */ #define INT_IPI 12 #define INT_NMI 13 +#define INT_AVEC 14 /* ExcCodes corresponding to interrupts */ -#define EXCCODE_INT_NUM (INT_NMI + 1) +#define EXCCODE_INT_NUM (INT_AVEC + 1) #define EXCCODE_INT_START 64 #define EXCCODE_INT_END (EXCCODE_INT_START + EXCCODE_INT_NUM - 1) diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h index 75d30529748c..630e5ebec21c 100644 --- a/arch/loongarch/include/asm/smp.h +++ b/arch/loongarch/include/asm/smp.h @@ -67,9 +67,11 @@ extern int __cpu_logical_map[NR_CPUS]; #define ACTION_BOOT_CPU 0 #define ACTION_RESCHEDULE 1 #define ACTION_CALL_FUNCTION 2 +#define ACTION_CLEAR_VECTOR 3 #define SMP_BOOT_CPU BIT(ACTION_BOOT_CPU) #define SMP_RESCHEDULE BIT(ACTION_RESCHEDULE) #define SMP_CALL_FUNCTION BIT(ACTION_CALL_FUNCTION) +#define SMP_CLEAR_VECTOR BIT(ACTION_CLEAR_VECTOR) struct secondary_data { unsigned long stack; diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c index 55320813ee08..14f0449f5452 100644 --- a/arch/loongarch/kernel/cpu-probe.c +++ b/arch/loongarch/kernel/cpu-probe.c @@ -106,7 +106,6 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c) elf_hwcap |= HWCAP_LOONGARCH_CRC32; } - config = read_cpucfg(LOONGARCH_CPUCFG2); if (config & CPUCFG2_LAM) { c->options |= LOONGARCH_CPU_LAM; @@ -174,6 +173,8 @@ static void cpu_probe_common(struct cpuinfo_loongarch *c) c->options |= LOONGARCH_CPU_FLATMODE; if (config & IOCSRF_EIODECODE) c->options |= LOONGARCH_CPU_EIODECODE; + if (config & IOCSRF_AVEC) + c->options |= LOONGARCH_CPU_AVECINT; if (config & IOCSRF_VM) c->options |= LOONGARCH_CPU_HYPERVISOR; diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c index a2f6ce3061f3..50089a7a1a9d 100644 --- a/arch/loongarch/kernel/irq.c +++ b/arch/loongarch/kernel/irq.c @@ -122,6 +122,19 @@ void fixup_irqs(void) } #endif +int __init arch_probe_nr_irqs(void) +{ + int nr_io_pics = bitmap_weight(&loongson_sysconf.cores_io_master, NR_CPUS); + + if (!cpu_has_avecint) + nr_irqs = (64 + NR_VECTORS * nr_io_pics); + else + nr_irqs = (64 + NR_VECTORS * (nr_cpu_ids + nr_io_pics)); + + return NR_IRQS_LEGACY; +} + + void __init init_IRQ(void) { int i, ret; diff --git a/arch/loongarch/kernel/legacy_boot.c b/arch/loongarch/kernel/legacy_boot.c index 29fdeb93dfd5..2665344d1d05 100644 --- a/arch/loongarch/kernel/legacy_boot.c +++ b/arch/loongarch/kernel/legacy_boot.c @@ -25,6 +25,15 @@ #define MSI_MSG_ADDRESS 0x2FF00000 #define MSI_MSG_DEFAULT_COUNT 0xC0 +extern int liointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lio_pic *acpi_liointc); +extern int eiointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_eio_pic *acpi_eiointc); +extern int htvec_acpi_init(struct irq_domain *parent, + struct acpi_madt_ht_pic *acpi_htvec); +extern int pch_lpc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lpc_pic *acpi_pchlpc); + struct boot_params *efi_bp; struct loongsonlist_mem_map *g_mmap; struct acpi_madt_lio_pic *acpi_liointc; diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index ea69606fd9f5..bd0bd3decd32 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -71,6 +71,7 @@ static DEFINE_PER_CPU(int, cpu_state); static const char *ipi_types[NR_IPI] __tracepoint_string = { [IPI_RESCHEDULE] = "Rescheduling interrupts", [IPI_CALL_FUNCTION] = "Function call interrupts", + [IPI_CLEAR_VECTOR] = "Clear vector interrupts", }; void show_ipi_list(struct seq_file *p, int prec) @@ -245,6 +246,11 @@ static irqreturn_t loongson_ipi_interrupt(int irq, void *dev) per_cpu(irq_stat, cpu).ipi_irqs[IPI_CALL_FUNCTION]++; } + if (action & SMP_CLEAR_VECTOR) { + complete_irq_moving(); + per_cpu(irq_stat, cpu).ipi_irqs[IPI_CLEAR_VECTOR]++; + } + return IRQ_HANDLED; } diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 246aa0603d6e..787206e166fc 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -116,7 +116,7 @@ obj-$(CONFIG_LS1X_IRQ) += irq-ls1x.o obj-$(CONFIG_TI_SCI_INTR_IRQCHIP) += irq-ti-sci-intr.o obj-$(CONFIG_TI_SCI_INTA_IRQCHIP) += irq-ti-sci-inta.o obj-$(CONFIG_TI_PRUSS_INTC) += irq-pruss-intc.o -obj-$(CONFIG_IRQ_LOONGARCH_CPU) += irq-loongarch-cpu.o +obj-$(CONFIG_IRQ_LOONGARCH_CPU) += irq-loongarch-cpu.o irq-loongarch-avec.o obj-$(CONFIG_LOONGSON_LIOINTC) += irq-loongson-liointc.o obj-$(CONFIG_LOONGSON_EIOINTC) += irq-loongson-eiointc.o obj-$(CONFIG_LOONGSON_HTPIC) += irq-loongson-htpic.o diff --git a/drivers/irqchip/irq-loongarch-avec.c b/drivers/irqchip/irq-loongarch-avec.c new file mode 100644 index 000000000000..5c9dcc488e21 --- /dev/null +++ b/drivers/irqchip/irq-loongarch-avec.c @@ -0,0 +1,449 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020-2024 Loongson Technologies, Inc. + */ + +#include <linux/cpuhotplug.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqchip/chained_irq.h> +#include <linux/irqdomain.h> +#include <linux/kernel.h> +#include <linux/msi.h> +#include <linux/radix-tree.h> +#include <linux/spinlock.h> + +#include <asm/loongarch.h> +#include <asm/setup.h> + +#include "irq-loongson.h" + +#define VECTORS_PER_REG 64 +#define IRR_VECTOR_MASK 0xffUL +#define IRR_INVALID_MASK 0x80000000UL +#define AVEC_MSG_OFFSET 0x100000 + +#ifdef CONFIG_SMP +struct pending_list { + struct list_head head; +}; + +static struct cpumask intersect_mask; +static DEFINE_PER_CPU(struct pending_list, pending_list); +#endif + +static DEFINE_PER_CPU(struct irq_desc * [NR_VECTORS], irq_map); + +struct avecintc_chip { + raw_spinlock_t lock; + struct fwnode_handle *fwnode; + struct irq_domain *domain; + struct irq_matrix *vector_matrix; + phys_addr_t msi_base_addr; +}; + +static struct avecintc_chip loongarch_avec; + +struct avecintc_data { + struct list_head entry; + unsigned int cpu; + unsigned int vec; + unsigned int prev_cpu; + unsigned int prev_vec; + unsigned int moving; +}; + +static inline void avecintc_ack_irq(struct irq_data *d) +{ +} + +static inline void avecintc_mask_irq(struct irq_data *d) +{ +} + +static inline void avecintc_unmask_irq(struct irq_data *d) +{ +} + +#ifdef CONFIG_SMP +static inline void pending_list_init(int cpu) +{ + struct pending_list *plist = per_cpu_ptr(&pending_list, cpu); + + INIT_LIST_HEAD(&plist->head); +} + +static void avecintc_sync(struct avecintc_data *adata) +{ + struct pending_list *plist; + + if (cpu_online(adata->prev_cpu)) { + plist = per_cpu_ptr(&pending_list, adata->prev_cpu); + list_add_tail(&adata->entry, &plist->head); + adata->moving = 1; + smp_ops.send_ipi_single(adata->prev_cpu, SMP_CLEAR_VECTOR); + } +} + +static int avecintc_set_affinity(struct irq_data *data, const struct cpumask *dest, bool force) +{ + int cpu, ret, vector; + struct avecintc_data *adata; + + raw_spin_lock(&loongarch_avec.lock); + adata = irq_data_get_irq_chip_data(data); + + if (adata->moving) { + raw_spin_unlock(&loongarch_avec.lock); + return -EBUSY; + } + + if (adata->vec == UINT_MAX) { + raw_spin_unlock(&loongarch_avec.lock); + return -EINVAL; + } + + if (cpu_online(adata->cpu) && cpumask_test_cpu(adata->cpu, dest)) { + raw_spin_unlock(&loongarch_avec.lock); + return 0; + } + + cpumask_and(&intersect_mask, dest, cpu_online_mask); + + ret = irq_matrix_alloc(loongarch_avec.vector_matrix, &intersect_mask, false, &cpu); + if (ret < 0) { + raw_spin_unlock(&loongarch_avec.lock); + return ret; + } + + vector = ret; + adata->cpu = cpu; + adata->vec = vector; + per_cpu_ptr(irq_map, adata->cpu)[adata->vec] = irq_data_to_desc(data); + avecintc_sync(adata); + + raw_spin_unlock(&loongarch_avec.lock); + irq_data_update_effective_affinity(data, cpumask_of(cpu)); + + return IRQ_SET_MASK_OK; +} + +static int avecintc_cpu_online(unsigned int cpu) +{ + if (!loongarch_avec.vector_matrix) + return 0; + + raw_spin_lock(&loongarch_avec.lock); + + irq_matrix_online(loongarch_avec.vector_matrix); + + pending_list_init(cpu); + + raw_spin_unlock(&loongarch_avec.lock); + + return 0; +} + +static int avecintc_cpu_offline(unsigned int cpu) +{ + struct pending_list *plist = per_cpu_ptr(&pending_list, cpu); + + if (!loongarch_avec.vector_matrix) + return 0; + + raw_spin_lock(&loongarch_avec.lock); + + if (!list_empty(&plist->head)) + pr_warn("CPU#%d vector is busy\n", cpu); + irq_matrix_offline(loongarch_avec.vector_matrix); + + raw_spin_unlock(&loongarch_avec.lock); + + return 0; +} + +void complete_irq_moving(void) +{ + struct pending_list *plist = this_cpu_ptr(&pending_list); + struct avecintc_data *adata, *tdata; + int cpu, vector, bias; + uint64_t isr; + + raw_spin_lock(&loongarch_avec.lock); + + list_for_each_entry_safe(adata, tdata, &plist->head, entry) { + cpu = adata->prev_cpu; + vector = adata->prev_vec; + bias = vector / VECTORS_PER_REG; + switch (bias) { + case 0: + isr = csr_read64(LOONGARCH_CSR_ISR0); + break; + case 1: + isr = csr_read64(LOONGARCH_CSR_ISR1); + break; + case 2: + isr = csr_read64(LOONGARCH_CSR_ISR2); + break; + case 3: + isr = csr_read64(LOONGARCH_CSR_ISR3); + break; + } + + if (isr & (1UL << (vector % VECTORS_PER_REG))) { + smp_ops.send_ipi_single(cpu, SMP_CLEAR_VECTOR); + continue; + } + list_del(&adata->entry); + irq_matrix_free(loongarch_avec.vector_matrix, cpu, vector, false); + this_cpu_write(irq_map[vector], NULL); + adata->moving = 0; + adata->prev_cpu = adata->cpu; + adata->prev_vec = adata->vec; + } + + raw_spin_unlock(&loongarch_avec.lock); +} +#endif + +static void avecintc_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) +{ + struct avecintc_data *adata = irq_data_get_irq_chip_data(d); + + msg->address_hi = 0x0; + msg->address_lo = (loongarch_avec.msi_base_addr | (adata->vec & 0xff) << 4) + | ((cpu_logical_map(adata->cpu & 0xffff)) << 12); + msg->data = 0x0; +} + +static struct irq_chip avec_irq_controller = { + .name = "AVECINTC", + .irq_ack = avecintc_ack_irq, + .irq_mask = avecintc_mask_irq, + .irq_unmask = avecintc_unmask_irq, +#ifdef CONFIG_SMP + .irq_set_affinity = avecintc_set_affinity, +#endif + .irq_compose_msi_msg = avecintc_compose_msi_msg, +}; + +static void avecintc_irq_dispatch(struct irq_desc *desc) +{ + struct irq_chip *chip = irq_desc_get_chip(desc); + struct irq_desc *d; + + chained_irq_enter(chip, desc); + + while (true) { + unsigned long vector = csr_read64(LOONGARCH_CSR_IRR); + if (vector & IRR_INVALID_MASK) + break; + + vector &= IRR_VECTOR_MASK; + + d = this_cpu_read(irq_map[vector]); + if (d) { + generic_handle_irq_desc(d); + } else { + spurious_interrupt(); + pr_warn("Unexpected IRQ occurs on CPU#%d [vector %ld]\n", smp_processor_id(), vector); + } + } + + chained_irq_exit(chip, desc); +} + +static int avecintc_alloc_vector(struct irq_data *irqd, struct avecintc_data *adata) +{ + int cpu, ret; + unsigned long flags; + + raw_spin_lock_irqsave(&loongarch_avec.lock, flags); + + ret = irq_matrix_alloc(loongarch_avec.vector_matrix, cpu_online_mask, false, &cpu); + if (ret < 0) { + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + return ret; + } + + adata->prev_cpu = adata->cpu = cpu; + adata->prev_vec = adata->vec = ret; + per_cpu_ptr(irq_map, adata->cpu)[adata->vec] = irq_data_to_desc(irqd); + + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + + return 0; +} + +static int avecintc_domain_alloc(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs, void *arg) +{ + for (unsigned int i = 0; i < nr_irqs; i++) { + struct irq_data *irqd = irq_domain_get_irq_data(domain, virq + i); + struct avecintc_data *adata = kzalloc(sizeof(*adata), GFP_KERNEL); + int ret; + + if (!adata) + return -ENOMEM; + + ret = avecintc_alloc_vector(irqd, adata); + if (ret < 0) { + kfree(adata); + return ret; + } + + irq_domain_set_info(domain, virq + i, virq + i, &avec_irq_controller, + adata, handle_edge_irq, NULL, NULL); + irqd_set_single_target(irqd); + irqd_set_affinity_on_activate(irqd); + } + + return 0; +} + +static void avecintc_free_vector(struct irq_data *irqd, struct avecintc_data *adata) +{ + unsigned long flags; + + raw_spin_lock_irqsave(&loongarch_avec.lock, flags); + + per_cpu(irq_map, adata->cpu)[adata->vec] = NULL; + irq_matrix_free(loongarch_avec.vector_matrix, adata->cpu, adata->vec, false); + +#ifdef CONFIG_SMP + if (!adata->moving) { + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); + return; + } + + per_cpu(irq_map, adata->prev_cpu)[adata->prev_vec] = NULL; + irq_matrix_free(loongarch_avec.vector_matrix, adata->prev_cpu, adata->prev_vec, false); + list_del_init(&adata->entry); +#endif + raw_spin_unlock_irqrestore(&loongarch_avec.lock, flags); +} + +static void avecintc_domain_free(struct irq_domain *domain, + unsigned int virq, unsigned int nr_irqs) +{ + for (unsigned int i = 0; i < nr_irqs; i++) { + struct irq_data *d = irq_domain_get_irq_data(domain, virq + i); + + if (d) { + struct avecintc_data *adata = irq_data_get_irq_chip_data(d); + + avecintc_free_vector(d, adata); + irq_domain_reset_irq_data(d); + kfree(adata); + } + } +} + +static const struct irq_domain_ops avecintc_domain_ops = { + .alloc = avecintc_domain_alloc, + .free = avecintc_domain_free, +}; + +static int __init irq_matrix_init(void) +{ + loongarch_avec.vector_matrix = irq_alloc_matrix(NR_VECTORS, 0, NR_VECTORS); + if (!loongarch_avec.vector_matrix) + return -ENOMEM; + + for (int i = 0; i < NR_LEGACY_VECTORS; i++) + irq_matrix_assign_system(loongarch_avec.vector_matrix, i, false); + + irq_matrix_online(loongarch_avec.vector_matrix); + + return 0; +} + +static int __init avecintc_init(struct irq_domain *parent) +{ + int ret, parent_irq; + unsigned long value; + + raw_spin_lock_init(&loongarch_avec.lock); + + loongarch_avec.fwnode = irq_domain_alloc_named_fwnode("AVECINTC"); + if (!loongarch_avec.fwnode) { + pr_err("Unable to allocate domain handle\n"); + ret = -ENOMEM; + goto out; + } + + loongarch_avec.domain = irq_domain_create_tree(loongarch_avec.fwnode, + &avecintc_domain_ops, NULL); + if (!loongarch_avec.domain) { + pr_err("Unable to create IRQ domain\n"); + ret = -ENOMEM; + goto out_free_handle; + } + + parent_irq = irq_create_mapping(parent, INT_AVEC); + if (!parent_irq) { + pr_err("Failed to mapping hwirq\n"); + ret = -EINVAL; + goto out_remove_domain; + } + + ret = irq_matrix_init(); + if (ret < 0) { + pr_err("Failed to init irq matrix\n"); + goto out_remove_domain; + } + irq_set_chained_handler_and_data(parent_irq, avecintc_irq_dispatch, NULL); + +#ifdef CONFIG_SMP + pending_list_init(0); + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_AVECINTC_STARTING, + "irqchip/loongarch/avecintc:starting", + avecintc_cpu_online, avecintc_cpu_offline); +#endif + value = iocsr_read64(LOONGARCH_IOCSR_MISC_FUNC); + value |= IOCSR_MISC_FUNC_AVEC_EN; + iocsr_write64(value, LOONGARCH_IOCSR_MISC_FUNC); + + return ret; + +out_remove_domain: + irq_domain_remove(loongarch_avec.domain); +out_free_handle: + irq_domain_free_fwnode(loongarch_avec.fwnode); +out: + return ret; +} + +static int __init pch_msi_parse_madt(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_madt_msi_pic *pchmsi_entry = (struct acpi_madt_msi_pic *)header; + + loongarch_avec.msi_base_addr = pchmsi_entry->msg_address - AVEC_MSG_OFFSET; + + return pch_msi_acpi_init_avec(loongarch_avec.domain); +} + +static inline int __init acpi_cascade_irqdomain_init(void) +{ + return acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1); +} + +int __init avecintc_acpi_init(struct irq_domain *parent) +{ + int ret = avecintc_init(parent); + if (ret < 0) { + pr_err("Failed to init IRQ domain\n"); + return ret; + } + + ret = acpi_cascade_irqdomain_init(); + if (ret < 0) { + pr_err("Failed to init cascade IRQ domain\n"); + return ret; + } + + return ret; +} diff --git a/drivers/irqchip/irq-loongarch-cpu.c b/drivers/irqchip/irq-loongarch-cpu.c index 4380b4d8dd20..c6e0c9849ba9 100644 --- a/drivers/irqchip/irq-loongarch-cpu.c +++ b/drivers/irqchip/irq-loongarch-cpu.c @@ -13,6 +13,8 @@ #include <asm/loongarch.h> #include <asm/setup.h> +#include "irq-loongson.h" + static struct irq_domain *irq_domain; struct fwnode_handle *cpuintc_handle; @@ -140,7 +142,10 @@ static int __init acpi_cascade_irqdomain_init(void) if (r < 0) return r; - return 0; + if (cpu_has_avecint) + r = avecintc_acpi_init(irq_domain); + + return r; } struct irq_domain *get_cpudomain(void) diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index 488951a740cd..1c7f97dac83b 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -16,6 +16,8 @@ #include <linux/kernel.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + #define EIOINTC_REG_NODEMAP 0x14a0 #define EIOINTC_REG_IPMAP 0x14c0 #define EIOINTC_REG_ENABLE 0x1600 @@ -395,6 +397,9 @@ static int __init acpi_cascade_irqdomain_init(void) if (r < 0) return r; + if (cpu_has_avecint) + return 0; + r = acpi_table_parse_madt(ACPI_MADT_TYPE_MSI_PIC, pch_msi_parse_madt, 1); if (r < 0) return r; @@ -442,8 +447,8 @@ static int __init eiointc_init(struct eiointc_priv *priv, int parent_irq, if (nr_pics == 1) { register_syscore_ops(&eiointc_syscore_ops); - cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_LOONGARCH_STARTING, - "irqchip/loongarch/intc:starting", + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_EIOINTC_STARTING, + "irqchip/loongarch/eiointc:starting", eiointc_router_init, NULL); } diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c index 0bff728b25e3..5da02c7ad0b3 100644 --- a/drivers/irqchip/irq-loongson-htvec.c +++ b/drivers/irqchip/irq-loongson-htvec.c @@ -17,6 +17,8 @@ #include <linux/of_irq.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define HTVEC_EN_OFF 0x20 #define HTVEC_MAX_PARENT_IRQ 8 diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c index 0262cbefe9dd..257aa699ec98 100644 --- a/drivers/irqchip/irq-loongson-liointc.c +++ b/drivers/irqchip/irq-loongson-liointc.c @@ -22,6 +22,8 @@ #include <asm/loongson.h> #endif +#include "irq-loongson.h" + #define LIOINTC_CHIP_IRQ 32 #define LIOINTC_NUM_PARENT 4 #define LIOINTC_NUM_CORES 4 diff --git a/drivers/irqchip/irq-loongson-pch-lpc.c b/drivers/irqchip/irq-loongson-pch-lpc.c index 9b35492fb6be..2d4c3ec128b8 100644 --- a/drivers/irqchip/irq-loongson-pch-lpc.c +++ b/drivers/irqchip/irq-loongson-pch-lpc.c @@ -15,6 +15,8 @@ #include <linux/kernel.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define LPC_INT_CTL 0x00 #define LPC_INT_ENA 0x04 diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c index dd4d699170f4..2c9f58536fce 100644 --- a/drivers/irqchip/irq-loongson-pch-msi.c +++ b/drivers/irqchip/irq-loongson-pch-msi.c @@ -15,6 +15,8 @@ #include <linux/pci.h> #include <linux/slab.h> +#include "irq-loongson.h" + static int nr_pics; struct pch_msi_data { @@ -266,17 +268,17 @@ IRQCHIP_DECLARE(pch_msi, "loongson,pch-msi-1.0", pch_msi_of_init); #ifdef CONFIG_ACPI struct fwnode_handle *get_pch_msi_handle(int pci_segment) { - int i; + if (cpu_has_avecint) + return pch_msi_handle[0]; - for (i = 0; i < MAX_IO_PICS; i++) { + for (int i = 0; i < MAX_IO_PICS; i++) { if (msi_group[i].pci_segment == pci_segment) return pch_msi_handle[i]; } - return NULL; + return pch_msi_handle[0]; } -int __init pch_msi_acpi_init(struct irq_domain *parent, - struct acpi_madt_msi_pic *acpi_pchmsi) +int __init pch_msi_acpi_init(struct irq_domain *parent, struct acpi_madt_msi_pic *acpi_pchmsi) { int ret; struct fwnode_handle *domain_handle; @@ -289,4 +291,36 @@ int __init pch_msi_acpi_init(struct irq_domain *parent, return ret; } + +static struct irq_chip pch_msi_irq_chip_avec = { + .name = "PCH PCI MSI", + .irq_ack = irq_chip_ack_parent, +}; + +static struct msi_domain_info pch_msi_domain_info_avec = { + .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | + MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, + .chip = &pch_msi_irq_chip_avec, +}; + +int __init pch_msi_acpi_init_avec(struct irq_domain *parent) +{ + struct irq_domain *msi_domain; + + if (pch_msi_handle[0]) + return 0; + + pch_msi_handle[0] = parent->fwnode; + irq_domain_update_bus_token(parent, DOMAIN_BUS_NEXUS); + + msi_domain = pci_msi_create_irq_domain(pch_msi_handle[0], + &pch_msi_domain_info_avec, parent); + if (!msi_domain) { + pr_err("Failed to create PCI MSI domain\n"); + kfree(pch_msi_handle[0]); + return -ENOMEM; + } + + return 0; +} #endif diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c index 6e4dde64687e..075d08aba75e 100644 --- a/drivers/irqchip/irq-loongson-pch-pic.c +++ b/drivers/irqchip/irq-loongson-pch-pic.c @@ -17,6 +17,8 @@ #include <linux/of_irq.h> #include <linux/syscore_ops.h> +#include "irq-loongson.h" + /* Registers */ #define PCH_PIC_MASK 0x20 #define PCH_PIC_HTMSI_EN 0x40 diff --git a/drivers/irqchip/irq-loongson.h b/drivers/irqchip/irq-loongson.h new file mode 100644 index 000000000000..11fa138d1f44 --- /dev/null +++ b/drivers/irqchip/irq-loongson.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024 Loongson Technology Corporation Limited + */ + +#ifndef _DRIVERS_IRQCHIP_IRQ_LOONGSON_H +#define _DRIVERS_IRQCHIP_IRQ_LOONGSON_H + +int find_pch_pic(u32 gsi); + +int liointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lio_pic *acpi_liointc); +int eiointc_acpi_init(struct irq_domain *parent, + struct acpi_madt_eio_pic *acpi_eiointc); +int avecintc_acpi_init(struct irq_domain *parent); + +int htvec_acpi_init(struct irq_domain *parent, + struct acpi_madt_ht_pic *acpi_htvec); +int pch_lpc_acpi_init(struct irq_domain *parent, + struct acpi_madt_lpc_pic *acpi_pchlpc); +int pch_pic_acpi_init(struct irq_domain *parent, + struct acpi_madt_bio_pic *acpi_pchpic); +int pch_msi_acpi_init(struct irq_domain *parent, + struct acpi_madt_msi_pic *acpi_pchmsi); +int pch_msi_acpi_init_avec(struct irq_domain *parent); + +#endif /* _DRIVERS_IRQCHIP_IRQ_LOONGSON_H */ diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index a33500a53d25..0a7c8725b0ca 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -152,7 +152,8 @@ enum cpuhp_state { CPUHP_AP_IRQ_BCM2836_STARTING, CPUHP_AP_IRQ_MIPS_GIC_STARTING, CPUHP_AP_IRQ_RISCV_STARTING, - CPUHP_AP_IRQ_LOONGARCH_STARTING, + CPUHP_AP_IRQ_EIOINTC_STARTING, + CPUHP_AP_IRQ_AVECINTC_STARTING, CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING, CPUHP_AP_ARM_MVEBU_COHERENCY, CPUHP_AP_MICROCODE_LOADER, -- 2.33.0

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[PATCH OLK-6.6 0/4] LoongArch: fix some 3C6000&LS7A related problems
by Hongchen Zhang 23 Oct '24

23 Oct '24

gaojuxin (1): LoongArch: Add workaround for 3C6000 about io wr/rd wusheng (1): pci/quirks: LS7A2000 enble msi zhangtianyang (1): Loongarch: Dynamic enable writecombine zhenghaowei (1): acpi: mcfg quirk: Increased multi-chip support for the 3C6000 arch/loongarch/include/asm/irq.h | 4 +- arch/loongarch/kernel/setup.c | 30 ++++++++++- arch/loongarch/kernel/smp.c | 20 ++++++- drivers/acpi/pci_mcfg.c | 13 +++++ drivers/pci/quirks.c | 13 +++++ include/asm-generic/io.h | 90 ++++++++++++++++++++++++++++++-- include/drm/drm_cache.h | 2 +- 7 files changed, 162 insertions(+), 10 deletions(-) -- 2.33.0

2 5

[PATCH OLK-6.6] LoongArch: fix dma-direct.h not found
by Hongchen Zhang 23 Oct '24

23 Oct '24

LoongArch inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ2YN CVE: NA -------------------------------- This patch fix the compile error: dma-direct.h not found Fixes: 90d2bbc1ade2 ("LoongArch: use arch specific phys_to_dma") Signed-off-by: Hongchen Zhang <zhanghongchen(a)loongson.cn> --- arch/loongarch/include/asm/dma-direct.h | 21 +++++++++++++++++++++ arch/loongarch/kernel/dma.c | 17 ++--------------- 2 files changed, 23 insertions(+), 15 deletions(-) create mode 100644 arch/loongarch/include/asm/dma-direct.h diff --git a/arch/loongarch/include/asm/dma-direct.h b/arch/loongarch/include/asm/dma-direct.h new file mode 100644 index 000000000000..a8fbae3bd5da --- /dev/null +++ b/arch/loongarch/include/asm/dma-direct.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_LOONGARCH_DMA_DIRECT_H +#define _ASM_LOONGARCH_DMA_DIRECT_H + +extern int node_id_offset; + +static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + long nid = (paddr >> 44) & 0xf; + + return ((nid << 44) ^ paddr) | (nid << node_id_offset); +} + +static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) +{ + long nid = (daddr >> node_id_offset) & 0xf; + + return ((nid << node_id_offset) ^ daddr) | (nid << 44); +} + +#endif /* _ASM_LOONGARCH_DMA_DIRECT_H */ diff --git a/arch/loongarch/kernel/dma.c b/arch/loongarch/kernel/dma.c index cc0ccde58db8..34836408b15a 100644 --- a/arch/loongarch/kernel/dma.c +++ b/arch/loongarch/kernel/dma.c @@ -11,21 +11,8 @@ * 48bit physical address space and embed it into 40bit. */ -static int node_id_offset; - -dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -{ - long nid = (paddr >> 44) & 0xf; - - return ((nid << 44) ^ paddr) | (nid << node_id_offset); -} - -phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) -{ - long nid = (daddr >> node_id_offset) & 0xf; - - return ((nid << node_id_offset) ^ daddr) | (nid << 44); -} +int node_id_offset; +EXPORT_SYMBOL_GPL(node_id_offset); void acpi_arch_dma_setup(struct device *dev) { -- 2.33.0

2 1

[PATCH OLK-6.6 0/3] LoongArch: backport 3 patches from upstream
by Hongchen Zhang 23 Oct '24

23 Oct '24

Huacai Chen (3): LoongArch: Change SHMLBA from SZ_64K to PAGE_SIZE LoongArch: Add writecombine support for DMW-based ioremap() LoongArch: Define __ARCH_WANT_NEW_STAT in unistd.h arch/loongarch/include/asm/addrspace.h | 4 ++++ arch/loongarch/include/asm/io.h | 10 ++++++++-- arch/loongarch/include/asm/loongarch.h | 10 +++++++++- arch/loongarch/include/asm/shmparam.h | 12 ------------ arch/loongarch/include/asm/stackframe.h | 11 +++++++++++ arch/loongarch/include/asm/unistd.h | 1 + arch/loongarch/kernel/head.S | 22 ++++++++++++---------- arch/loongarch/power/suspend_asm.S | 6 +----- drivers/firmware/efi/libstub/loongarch.c | 2 ++ 9 files changed, 48 insertions(+), 30 deletions(-) delete mode 100644 arch/loongarch/include/asm/shmparam.h -- 2.33.0

2 4

[PATCH OLK-6.6] LoongArch: fix dma-direct.h not found
by Hongchen Zhang 23 Oct '24

23 Oct '24

LoongArch inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAZ2YN CVE: NA -------------------------------- This patch fix the compile error: dma-direct.h not found Fixes: 90d2bbc1ade2 ("LoongArch: use arch specific phys_to_dma") Signed-off-by: Hongchen Zhang <zhanghongchen(a)loongson.cn> --- arch/loongarch/include/asm/dma-direct.h | 21 +++++++++++++++++++ arch/loongarch/include/uapi/asm/setup.h | 27 +++++++++++++++++++++++++ arch/loongarch/kernel/dma.c | 17 ++-------------- 3 files changed, 50 insertions(+), 15 deletions(-) create mode 100644 arch/loongarch/include/asm/dma-direct.h create mode 100644 arch/loongarch/include/uapi/asm/setup.h diff --git a/arch/loongarch/include/asm/dma-direct.h b/arch/loongarch/include/asm/dma-direct.h new file mode 100644 index 000000000000..a8fbae3bd5da --- /dev/null +++ b/arch/loongarch/include/asm/dma-direct.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_LOONGARCH_DMA_DIRECT_H +#define _ASM_LOONGARCH_DMA_DIRECT_H + +extern int node_id_offset; + +static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) +{ + long nid = (paddr >> 44) & 0xf; + + return ((nid << 44) ^ paddr) | (nid << node_id_offset); +} + +static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) +{ + long nid = (daddr >> node_id_offset) & 0xf; + + return ((nid << node_id_offset) ^ daddr) | (nid << 44); +} + +#endif /* _ASM_LOONGARCH_DMA_DIRECT_H */ diff --git a/arch/loongarch/include/uapi/asm/setup.h b/arch/loongarch/include/uapi/asm/setup.h new file mode 100644 index 000000000000..5d703888f351 --- /dev/null +++ b/arch/loongarch/include/uapi/asm/setup.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Based on arch/arm/include/asm/setup.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_SETUP_H +#define __ASM_SETUP_H + +#include <linux/types.h> + +#define COMMAND_LINE_SIZE 2048 + +#endif diff --git a/arch/loongarch/kernel/dma.c b/arch/loongarch/kernel/dma.c index cc0ccde58db8..34836408b15a 100644 --- a/arch/loongarch/kernel/dma.c +++ b/arch/loongarch/kernel/dma.c @@ -11,21 +11,8 @@ * 48bit physical address space and embed it into 40bit. */ -static int node_id_offset; - -dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -{ - long nid = (paddr >> 44) & 0xf; - - return ((nid << 44) ^ paddr) | (nid << node_id_offset); -} - -phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) -{ - long nid = (daddr >> node_id_offset) & 0xf; - - return ((nid << node_id_offset) ^ daddr) | (nid << 44); -} +int node_id_offset; +EXPORT_SYMBOL_GPL(node_id_offset); void acpi_arch_dma_setup(struct device *dev) { -- 2.33.0

2 1

[openeuler:OLK-6.6 14690/15185] include/linux/dma-direct.h:53:10: fatal error: asm/dma-direct.h: No such file or directory
by kernel test robot 23 Oct '24

23 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b436b5d324a6e9fcdbdfc942a4a7b07b8511aae7 commit: fd7608989d69c46482cdbd13f8fa909b0f305dbd [14690/15185] LoongArch: Remove the unused dma-direct.h config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20241023/202410230856.2tl76ThF-lkp@…) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410230856.2tl76ThF-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410230856.2tl76ThF-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/loongarch/kernel/dma.c:6: >> include/linux/dma-direct.h:53:10: fatal error: asm/dma-direct.h: No such file or directory 53 | #include <asm/dma-direct.h> | ^~~~~~~~~~~~~~~~~~ compilation terminated. vim +53 include/linux/dma-direct.h e0d072782c734d Jim Quinlan 2020-09-17 51 ea8c64ace86647 Christoph Hellwig 2018-01-10 52 #ifdef CONFIG_ARCH_HAS_PHYS_TO_DMA ea8c64ace86647 Christoph Hellwig 2018-01-10 @53 #include <asm/dma-direct.h> 5ceda74093a5c1 Christoph Hellwig 2020-08-17 54 #ifndef phys_to_dma_unencrypted 5ceda74093a5c1 Christoph Hellwig 2020-08-17 55 #define phys_to_dma_unencrypted phys_to_dma 5ceda74093a5c1 Christoph Hellwig 2020-08-17 56 #endif ea8c64ace86647 Christoph Hellwig 2018-01-10 57 #else 5ceda74093a5c1 Christoph Hellwig 2020-08-17 58 static inline dma_addr_t phys_to_dma_unencrypted(struct device *dev, 5ceda74093a5c1 Christoph Hellwig 2020-08-17 59 phys_addr_t paddr) ea8c64ace86647 Christoph Hellwig 2018-01-10 60 { e0d072782c734d Jim Quinlan 2020-09-17 61 if (dev->dma_range_map) e0d072782c734d Jim Quinlan 2020-09-17 62 return translate_phys_to_dma(dev, paddr); e0d072782c734d Jim Quinlan 2020-09-17 63 return paddr; ea8c64ace86647 Christoph Hellwig 2018-01-10 64 } ea8c64ace86647 Christoph Hellwig 2018-01-10 65 :::::: The code at line 53 was first introduced by commit :::::: ea8c64ace86647260ec4255f483e5844d62af2df dma-mapping: move swiotlb arch helpers to a new header :::::: TO: Christoph Hellwig <hch(a)lst.de> :::::: CC: Christoph Hellwig <hch(a)lst.de> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 12720/30000] drivers/vdpa/virtio_pci/vp_vdpa.c:168 vp_vdpa_request_irq() warn: inconsistent indenting
by kernel test robot 23 Oct '24

23 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 31421c83a2aaf8ecc1d8f377ea9e7e7a37cdb2bf commit: 7e9f220b20b856cefc3290400637c00da0b224c3 [12720/30000] vdpa: set the virtqueue num during register config: x86_64-randconfig-161-20241012 (https://download.01.org/0day-ci/archive/20241023/202410230108.FVEbypBJ-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410230108.FVEbypBJ-lkp@intel.com/ smatch warnings: drivers/vdpa/virtio_pci/vp_vdpa.c:168 vp_vdpa_request_irq() warn: inconsistent indenting vim +168 drivers/vdpa/virtio_pci/vp_vdpa.c b66082483c7e22 Jason Wang 2021-02-23 124 b66082483c7e22 Jason Wang 2021-02-23 125 static int vp_vdpa_request_irq(struct vp_vdpa *vp_vdpa) b66082483c7e22 Jason Wang 2021-02-23 126 { b66082483c7e22 Jason Wang 2021-02-23 127 struct virtio_pci_modern_device *mdev = &vp_vdpa->mdev; b66082483c7e22 Jason Wang 2021-02-23 128 struct pci_dev *pdev = mdev->pci_dev; b66082483c7e22 Jason Wang 2021-02-23 129 int i, ret, irq; b66082483c7e22 Jason Wang 2021-02-23 130 int queues = vp_vdpa->queues; b66082483c7e22 Jason Wang 2021-02-23 131 int vectors = queues + 1; b66082483c7e22 Jason Wang 2021-02-23 132 b66082483c7e22 Jason Wang 2021-02-23 133 ret = pci_alloc_irq_vectors(pdev, vectors, vectors, PCI_IRQ_MSIX); b66082483c7e22 Jason Wang 2021-02-23 134 if (ret != vectors) { b66082483c7e22 Jason Wang 2021-02-23 135 dev_err(&pdev->dev, b66082483c7e22 Jason Wang 2021-02-23 136 "vp_vdpa: fail to allocate irq vectors want %d but %d\n", b66082483c7e22 Jason Wang 2021-02-23 137 vectors, ret); b66082483c7e22 Jason Wang 2021-02-23 138 return ret; b66082483c7e22 Jason Wang 2021-02-23 139 } b66082483c7e22 Jason Wang 2021-02-23 140 b66082483c7e22 Jason Wang 2021-02-23 141 vp_vdpa->vectors = vectors; b66082483c7e22 Jason Wang 2021-02-23 142 b66082483c7e22 Jason Wang 2021-02-23 143 for (i = 0; i < queues; i++) { b66082483c7e22 Jason Wang 2021-02-23 144 snprintf(vp_vdpa->vring[i].msix_name, VP_VDPA_NAME_SIZE, b66082483c7e22 Jason Wang 2021-02-23 145 "vp-vdpa[%s]-%d\n", pci_name(pdev), i); b66082483c7e22 Jason Wang 2021-02-23 146 irq = pci_irq_vector(pdev, i); b66082483c7e22 Jason Wang 2021-02-23 147 ret = devm_request_irq(&pdev->dev, irq, b66082483c7e22 Jason Wang 2021-02-23 148 vp_vdpa_vq_handler, b66082483c7e22 Jason Wang 2021-02-23 149 0, vp_vdpa->vring[i].msix_name, b66082483c7e22 Jason Wang 2021-02-23 150 &vp_vdpa->vring[i]); b66082483c7e22 Jason Wang 2021-02-23 151 if (ret) { b66082483c7e22 Jason Wang 2021-02-23 152 dev_err(&pdev->dev, b66082483c7e22 Jason Wang 2021-02-23 153 "vp_vdpa: fail to request irq for vq %d\n", i); b66082483c7e22 Jason Wang 2021-02-23 154 goto err; b66082483c7e22 Jason Wang 2021-02-23 155 } b66082483c7e22 Jason Wang 2021-02-23 156 vp_modern_queue_vector(mdev, i, i); b66082483c7e22 Jason Wang 2021-02-23 157 vp_vdpa->vring[i].irq = irq; b66082483c7e22 Jason Wang 2021-02-23 158 } b66082483c7e22 Jason Wang 2021-02-23 159 b66082483c7e22 Jason Wang 2021-02-23 160 snprintf(vp_vdpa->msix_name, VP_VDPA_NAME_SIZE, "vp-vdpa[%s]-config\n", b66082483c7e22 Jason Wang 2021-02-23 161 pci_name(pdev)); b66082483c7e22 Jason Wang 2021-02-23 162 irq = pci_irq_vector(pdev, queues); b66082483c7e22 Jason Wang 2021-02-23 163 ret = devm_request_irq(&pdev->dev, irq, vp_vdpa_config_handler, 0, b66082483c7e22 Jason Wang 2021-02-23 164 vp_vdpa->msix_name, vp_vdpa); b66082483c7e22 Jason Wang 2021-02-23 165 if (ret) { b66082483c7e22 Jason Wang 2021-02-23 166 dev_err(&pdev->dev, b66082483c7e22 Jason Wang 2021-02-23 167 "vp_vdpa: fail to request irq for vq %d\n", i); b66082483c7e22 Jason Wang 2021-02-23 @168 goto err; b66082483c7e22 Jason Wang 2021-02-23 169 } b66082483c7e22 Jason Wang 2021-02-23 170 vp_modern_config_vector(mdev, queues); b66082483c7e22 Jason Wang 2021-02-23 171 vp_vdpa->config_irq = irq; b66082483c7e22 Jason Wang 2021-02-23 172 b66082483c7e22 Jason Wang 2021-02-23 173 return 0; b66082483c7e22 Jason Wang 2021-02-23 174 err: b66082483c7e22 Jason Wang 2021-02-23 175 vp_vdpa_free_irq(vp_vdpa); b66082483c7e22 Jason Wang 2021-02-23 176 return ret; b66082483c7e22 Jason Wang 2021-02-23 177 } b66082483c7e22 Jason Wang 2021-02-23 178 :::::: The code at line 168 was first introduced by commit :::::: b66082483c7e223dd0cbf81b454ca85013446a2b vdpa: introduce virtio pci driver :::::: TO: Jason Wang <jasowang(a)redhat.com> :::::: CC: Pengyuan Zhao <zhaopengyuan(a)hisilicon.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10] nfsd: call cache_put if xdr_reserve_space returns NULL
by Li Lingfeng 22 Oct '24

22 Oct '24

From: Guoqing Jiang <guoqing.jiang(a)linux.dev> stable inclusion from stable-v5.10.227 commit 9f03f0016ff797932551881c7e06ae50e9c39134 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQRM CVE: CVE-2024-47737 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit d078cbf5c38de83bc31f83c47dcd2184c04a50c7 ] If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Fixes: ddd1ea563672 ("nfsd4: use xdr_reserve_space in attribute encoding") Signed-off-by: Guoqing Jiang <guoqing.jiang(a)linux.dev> Reviwed-by: Jeff Layton <jlayton(a)kernel.org> Signed-off-by: Chuck Lever <chuck.lever(a)oracle.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfsd/nfs4idmap.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index f92161ce1f97..9062b5e14b66 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -580,6 +580,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, .id = id, .type = type, }; + __be32 status = nfs_ok; __be32 *p; int ret; struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); @@ -592,12 +593,16 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, return nfserrno(ret); ret = strlen(item->name); WARN_ON_ONCE(ret > IDMAP_NAMESZ); + p = xdr_reserve_space(xdr, ret + 4); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque(p, item->name, ret); + if (unlikely(!p)) { + status = nfserr_resource; + goto out_put; + } + xdr_encode_opaque(p, item->name, ret); +out_put: cache_put(&item->h, nn->idtoname_cache); - return 0; + return status; } static bool -- 2.31.1

2 1

[PATCH OLK-6.6] nfsd: call cache_put if xdr_reserve_space returns NULL
by Li Lingfeng 22 Oct '24

22 Oct '24

From: Guoqing Jiang <guoqing.jiang(a)linux.dev> stable inclusion from stable-v6.6.54 commit a1afbbb5276f943ad7173d0b4c626b8c75a260da category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQRM CVE: CVE-2024-47737 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit d078cbf5c38de83bc31f83c47dcd2184c04a50c7 ] If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Fixes: ddd1ea563672 ("nfsd4: use xdr_reserve_space in attribute encoding") Signed-off-by: Guoqing Jiang <guoqing.jiang(a)linux.dev> Reviwed-by: Jeff Layton <jlayton(a)kernel.org> Signed-off-by: Chuck Lever <chuck.lever(a)oracle.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfsd/nfs4idmap.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 7a806ac13e31..8cca1329f348 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -581,6 +581,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, .id = id, .type = type, }; + __be32 status = nfs_ok; __be32 *p; int ret; struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); @@ -593,12 +594,16 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, return nfserrno(ret); ret = strlen(item->name); WARN_ON_ONCE(ret > IDMAP_NAMESZ); + p = xdr_reserve_space(xdr, ret + 4); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque(p, item->name, ret); + if (unlikely(!p)) { + status = nfserr_resource; + goto out_put; + } + xdr_encode_opaque(p, item->name, ret); +out_put: cache_put(&item->h, nn->idtoname_cache); - return 0; + return status; } static bool -- 2.31.1

2 1

[PATCH openEuler-1.0-LTS 0/3] backport some LTS patches
by Liu Jian 22 Oct '24

22 Oct '24

backport some LTS patches. Benjamin Coddington (1): SUNRPC: Fix a race to wake a sync task Eric Dumazet (2): net: linkwatch: use system_unbound_wq net: busy-poll: use ktime_get_ns() instead of local_clock() include/net/busy_poll.h | 2 +- net/core/link_watch.c | 4 ++-- net/sunrpc/sched.c | 4 +++- 3 files changed, 6 insertions(+), 4 deletions(-) -- 2.34.1

2 4

[PATCH OLK-5.10] arm64: errata: Add Cortex-A55 to the repeat tlbi list
by Bowen You 22 Oct '24

22 Oct '24

From: James Morse <james.morse(a)arm.com> mainline inclusion from mainline-v6.1-rc1 commit 171df58028bf4649460fb146a56a58dcb0c8f75a category: bugfix bugzilla: 190345 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Cortex-A55 is affected by an erratum where in rare circumstances the CPUs may not handle a race between a break-before-make sequence on one CPU, and another CPU accessing the same page. This could allow a store to a page that has been unmapped. Work around this by adding the affected CPUs to the list that needs TLB sequences to be done twice. Signed-off-by: James Morse <james.morse(a)arm.com> Cc: <stable(a)vger.kernel.org> Link: https://lore.kernel.org/r/20220930131959.3082594-1-james.morse@arm.com Signed-off-by: Catalin Marinas <catalin.marinas(a)arm.com> Conflicts: arch/arm64/kernel/cpu_errata.c [Some erratum are not added into repeat tlbi list] Signed-off-by: Bowen You <youbowen2(a)huawei.com> --- Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 17 +++++++++++++++++ arch/arm64/kernel/cpu_errata.c | 5 +++++ 3 files changed, 24 insertions(+) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index af12c363a699..7a087383d8c2 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -68,6 +68,8 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A55 | #2441007 | ARM64_ERRATUM_2441007 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A57 | #852523 | N/A | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 8b8f48b2a51e..751f6c1a2bcc 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -624,6 +624,23 @@ config ARM64_ERRATUM_1530923 config ARM64_WORKAROUND_REPEAT_TLBI bool +config ARM64_ERRATUM_2441007 + bool "Cortex-A55: Completion of affected memory accesses might not be guaranteed by completion of a TLBI" + default y + select ARM64_WORKAROUND_REPEAT_TLBI + help + This option adds a workaround for ARM Cortex-A55 erratum #2441007. + + Under very rare circumstances, affected Cortex-A55 CPUs + may not handle a race between a break-before-make sequence on one + CPU, and another CPU accessing the same page. This could allow a + store to a page that has been unmapped. + + Work around this by adding the affected CPUs to the list that needs + TLB sequences to be done twice. + + If unsure, say Y. + config ARM64_ERRATUM_1286807 bool "Cortex-A76: Modification of the translation table for a virtual address might lead to read-after-read ordering violation" default y diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 7f175b3aac15..c7bac554ca8c 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -297,6 +297,11 @@ static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = { /* Kryo4xx Gold (rcpe to rfpe) => (r0p0 to r3p0) */ ERRATA_MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xe), }, +#endif +#ifdef CONFIG_ARM64_ERRATUM_2441007 + { + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), + }, #endif {}, }; -- 2.34.1

2 3

[OLK-5.10] [Backport] arm64: errata: Add Cortex-A55 to the repeat tlbi list
by Bowen You 22 Oct '24

22 Oct '24

From: James Morse <james.morse(a)arm.com> mainline inclusion from mainline-v6.1-rc1 commit 171df58028bf4649460fb146a56a58dcb0c8f75a category: bugfix bugzilla: 190345 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Cortex-A55 is affected by an erratum where in rare circumstances the CPUs may not handle a race between a break-before-make sequence on one CPU, and another CPU accessing the same page. This could allow a store to a page that has been unmapped. Work around this by adding the affected CPUs to the list that needs TLB sequences to be done twice. Signed-off-by: James Morse <james.morse(a)arm.com> Cc: <stable(a)vger.kernel.org> Link: https://lore.kernel.org/r/20220930131959.3082594-1-james.morse@arm.com Signed-off-by: Catalin Marinas <catalin.marinas(a)arm.com> Signed-off-by: Bowen You <youbowen2(a)huawei.com> --- Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 17 +++++++++++++++++ arch/arm64/kernel/cpu_errata.c | 5 +++++ 3 files changed, 24 insertions(+) diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst index af12c363a699..7a087383d8c2 100644 --- a/Documentation/arm64/silicon-errata.rst +++ b/Documentation/arm64/silicon-errata.rst @@ -68,6 +68,8 @@ stable kernels. +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 | +----------------+-----------------+-----------------+-----------------------------+ +| ARM | Cortex-A55 | #2441007 | ARM64_ERRATUM_2441007 | ++----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 | +----------------+-----------------+-----------------+-----------------------------+ | ARM | Cortex-A57 | #852523 | N/A | diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 8b8f48b2a51e..751f6c1a2bcc 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -624,6 +624,23 @@ config ARM64_ERRATUM_1530923 config ARM64_WORKAROUND_REPEAT_TLBI bool +config ARM64_ERRATUM_2441007 + bool "Cortex-A55: Completion of affected memory accesses might not be guaranteed by completion of a TLBI" + default y + select ARM64_WORKAROUND_REPEAT_TLBI + help + This option adds a workaround for ARM Cortex-A55 erratum #2441007. + + Under very rare circumstances, affected Cortex-A55 CPUs + may not handle a race between a break-before-make sequence on one + CPU, and another CPU accessing the same page. This could allow a + store to a page that has been unmapped. + + Work around this by adding the affected CPUs to the list that needs + TLB sequences to be done twice. + + If unsure, say Y. + config ARM64_ERRATUM_1286807 bool "Cortex-A76: Modification of the translation table for a virtual address might lead to read-after-read ordering violation" default y diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 7f175b3aac15..c7bac554ca8c 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -297,6 +297,11 @@ static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = { /* Kryo4xx Gold (rcpe to rfpe) => (r0p0 to r3p0) */ ERRATA_MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xe), }, +#endif +#ifdef CONFIG_ARM64_ERRATUM_2441007 + { + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), + }, #endif {}, }; -- 2.34.1

1 0

温馨提醒 //答复: 【重要】openEuler 24.03 LTS SP1版本需求收集中，请大家提交需要合入的特性到release plan
by Sujinling 22 Oct '24

22 Oct '24

openEuler 24.03 LTS SP1 版本计划在Release Sig例会已同步过，需求收集截止节点 10/31，请大家及时提交需要合入的特性到release plan，感谢~ Thanks & best regards, 苏锦铃 00566192 发件人: Sujinling <sujinling(a)huawei.com> 发送时间: 2024年9月2日 10:23 收件人: release(a)openeuler.org; tc(a)openeuler.org; dev(a)openeuler.org; kernel(a)openeuler.org 主题: 【重要】openEuler 24.03 LTS SP1版本需求收集中，请大家提交需要合入的特性到release plan 大家好， openEuler 24.03 LTS SP1是基于6.6内核的24.03-LTS版本增强扩展版本，按release-plan计划启动需求收集，欢迎各sig maintainer、伙伴和社区开发者们积极反馈和交流。请大家提交需要合入的特性清单到release plan上，感谢！ openEuler 24.03 LTS SP1版本release plan详细版本计划： https://gitee.com/openeuler/release-management/blob/master/openEuler-24.03-… 需求申请流程链接，请按照流程步骤提交，issue 类型选择需求， issue 标题以 [openEuler-24.03 LTS SP1] 开头： https://gitee.com/openeuler/release-management/blob/master/Goverance/openEu… Thanks & best regards, 苏锦铃

1 0

[PATCH OLK-5.10 0/5] fix CVE-2024-40965
by dinglongwei 22 Oct '24

22 Oct '24

fix CVE-2024-40965 Alexander Stein (1): i2c: lpi2c: Avoid calling clk_get_rate during transfer Carlos Song (1): i2c: imx-lpi2c: return -EINVAL when i2c peripheral clk doesn't work Peng Fan (1): i2c: imx-lpi2c: use bulk clk API Uwe Kleine-König (2): clk: Add a devm variant of clk_rate_exclusive_get() clk: Provide !COMMON_CLK dummy for devm_clk_rate_exclusive_get() drivers/clk/clk.c | 19 ++++++++++++++ drivers/i2c/busses/i2c-imx-lpi2c.c | 40 +++++++++++++++++++++--------- include/linux/clk.h | 17 +++++++++++++ 3 files changed, 64 insertions(+), 12 deletions(-) -- 2.17.1

2 6

[PATCH OLK-6.6] printk: Add notation to console_srcu locking
by Xiaomeng Zhang 22 Oct '24

22 Oct '24

From: John Ogness <john.ogness(a)linutronix.de> mainline inclusion from mainline-v6.12-rc1 commit eda25860bf6e71932311f1b5acdf8fc05cd84ff3 category: bugfix bugzilla: 190343 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- kernel/printk/printk.c:284:5: sparse: sparse: context imbalance in 'console_srcu_read_lock' - wrong count at exit include/linux/srcu.h:301:9: sparse: sparse: context imbalance in 'console_srcu_read_unlock' - unexpected unlock Fixes: 6c4afa79147e ("printk: Prepare for SRCU console list protection") Signed-off-by: John Ogness <john.ogness(a)linutronix.de> Reviewed-by: Petr Mladek <pmladek(a)suse.com> Acked-by: Paul E. McKenney <paulmck(a)kernel.org> Link: https://lore.kernel.org/r/20240820063001.36405-2-john.ogness@linutronix.de Signed-off-by: Petr Mladek <pmladek(a)suse.com> Signed-off-by: Xiaomeng Zhang <zhangxiaomeng13(a)huawei.com> --- kernel/printk/printk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index b4e390e0b4bd..1ab3185846a7 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -288,6 +288,7 @@ EXPORT_SYMBOL(console_list_unlock); * Return: A cookie to pass to console_srcu_read_unlock(). */ int console_srcu_read_lock(void) + __acquires(&console_srcu) { return srcu_read_lock_nmisafe(&console_srcu); } @@ -301,6 +302,7 @@ EXPORT_SYMBOL(console_srcu_read_lock); * Counterpart to console_srcu_read_lock() */ void console_srcu_read_unlock(int cookie) + __releases(&console_srcu) { srcu_read_unlock_nmisafe(&console_srcu, cookie); } -- 2.34.1

2 1

[openeuler:OLK-5.10] BUILD REGRESSION 950c74b8b6db893114b092f9fd2548037daa73f7
by kernel test robot 22 Oct '24

22 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: 950c74b8b6db893114b092f9fd2548037daa73f7 !12261 drm/lima: fix a memleak in lima_heap_alloc Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild/202410212221.65cVVMvV-lkp@intel.com drivers/usb/cdns3/debug.h:57:15: warning: 'sprintf' argument 3 may overlap destination object 'field' [-Wrestrict] Unverified Error/Warning (likely false positive, kindly check if interested): kernel/sched/topology.c:1734 (null)() warn: (struct ctl_table)->proc_handler cannot be NULL. Expression : sched_cluster_sysctls[1]->proc_handler kernel/sched/topology.c:1734 (null)() warn: (struct ctl_table)->procname cannot be NULL. Expression : sched_cluster_sysctls[1]->procname Error/Warning ids grouped by kconfigs: recent_errors |-- x86_64-allyesconfig | |-- drivers-net-ipvlan-ipvlan_main.c:warning:variable-old_prog-set-but-not-used | |-- kernel-sched-core.c:warning:no-previous-prototype-for-function-sched_setsteal | |-- kernel-sched-core.c:warning:no-previous-prototype-for-function-tg_change_steal | |-- ld.lld:error:duplicate-symbol:g_uld_mutex | |-- ld.lld:error:duplicate-symbol:lld_dev_hold | |-- ld.lld:error:duplicate-symbol:lld_dev_put | `-- ld.lld:error:duplicate-symbol:nic_ioctl |-- x86_64-randconfig-161-20241013 | |-- kernel-sched-topology.c-(null)()-warn:(struct-ctl_table)-proc_handler-cannot-be-NULL.-Expression:sched_cluster_sysctls-proc_handler | `-- kernel-sched-topology.c-(null)()-warn:(struct-ctl_table)-procname-cannot-be-NULL.-Expression:sched_cluster_sysctls-procname `-- x86_64-randconfig-161-20241021 `-- drivers-usb-cdns3-debug.h:warning:sprintf-argument-may-overlap-destination-object-field elapsed time: 1454m configs tested: 6 configs skipped: 40 tested configs: arm64 allnoconfig gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 rhel-8.3 gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6] i2c: lpi2c: Avoid calling clk_get_rate during transfer
by dinglongwei 22 Oct '24

22 Oct '24

From: Alexander Stein <alexander.stein(a)ew.tq-group.com> stable inclusion from stable-v6.9.7 commit 2b42e9587a7a9c7b824e0feb92958f258263963e category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IACT5O CVE: CVE-2024-40965 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 4268254a39484fc11ba991ae148bacbe75d9cc0a ] Instead of repeatedly calling clk_get_rate for each transfer, lock the clock rate and cache the value. A deadlock has been observed while adding tlv320aic32x4 audio codec to the system. When this clock provider adds its clock, the clk mutex is locked already, it needs to access i2c, which in return needs the mutex for clk_get_rate as well. Signed-off-by: Alexander Stein <alexander.stein(a)ew.tq-group.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> Reviewed-by: Andi Shyti <andi.shyti(a)kernel.org> Signed-off-by: Andi Shyti <andi.shyti(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/i2c/busses/i2c-imx-lpi2c.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 678b30e90492..14473c223cfa 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -99,6 +99,7 @@ struct lpi2c_imx_struct { __u8 *rx_buf; __u8 *tx_buf; struct completion complete; + unsigned long rate_per; unsigned int msglen; unsigned int delivered; unsigned int block_data; @@ -207,9 +208,7 @@ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) lpi2c_imx_set_mode(lpi2c_imx); - clk_rate = clk_get_rate(lpi2c_imx->clks[0].clk); - if (!clk_rate) - return -EINVAL; + clk_rate = lpi2c_imx->rate_per; if (lpi2c_imx->mode == HS || lpi2c_imx->mode == ULTRA_FAST) filt = 0; @@ -590,6 +589,20 @@ static int lpi2c_imx_probe(struct platform_device *pdev) if (ret) return ret; + /* + * Lock the parent clock rate to avoid getting parent clock upon + * each transfer + */ + ret = devm_clk_rate_exclusive_get(&pdev->dev, lpi2c_imx->clks[0].clk); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "can't lock I2C peripheral clock rate\n"); + + lpi2c_imx->rate_per = clk_get_rate(lpi2c_imx->clks[0].clk); + if (!lpi2c_imx->rate_per) + return dev_err_probe(&pdev->dev, -EINVAL, + "can't get I2C peripheral clock rate\n"); + pm_runtime_set_autosuspend_delay(&pdev->dev, I2C_PM_TIMEOUT); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_get_noresume(&pdev->dev); -- 2.17.1

2 1

[PATCH OLK-5.10] soc: qcom: cmd-db: Map shared memory as WC, not WB
by dinglongwei 22 Oct '24

22 Oct '24

From: Volodymyr Babchuk <Volodymyr_Babchuk(a)epam.com> stable inclusion from stable-v5.10.225 commit f5a5a5a0e95f36e2792d48e6e4b64e665eb01374 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAR5ZD CVE: CVE-2024-46689 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit f9bb896eab221618927ae6a2f1d566567999839d upstream. Linux does not write into cmd-db region. This region of memory is write protected by XPU. XPU may sometime falsely detect clean cache eviction as "write" into the write protected region leading to secure interrupt which causes an endless loop somewhere in Trust Zone. The only reason it is working right now is because Qualcomm Hypervisor maps the same region as Non-Cacheable memory in Stage 2 translation tables. The issue manifests if we want to use another hypervisor (like Xen or KVM), which does not know anything about those specific mappings. Changing the mapping of cmd-db memory from MEMREMAP_WB to MEMREMAP_WT/WC removes dependency on correct mappings in Stage 2 tables. This patch fixes the issue by updating the mapping to MEMREMAP_WC. I tested this on SA8155P with Xen. Fixes: 312416d9171a ("drivers: qcom: add command DB driver") Cc: stable(a)vger.kernel.org # 5.4+ Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk(a)epam.com> Tested-by: Nikita Travkin <nikita(a)trvn.ru> # sc7180 WoA in EL2 Signed-off-by: Maulik Shah <quic_mkshah(a)quicinc.com> Tested-by: Pavankumar Kondeti <quic_pkondeti(a)quicinc.com> Reviewed-by: Caleb Connolly <caleb.connolly(a)linaro.org> Link: https://lore.kernel.org/r/20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicin… Signed-off-by: Bjorn Andersson <andersson(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/soc/qcom/cmd-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index fc5610603b17..006bb28e2a6e 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -319,7 +319,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; -- 2.17.1

2 1

[PATCH OLK-6.6] btrfs: fix race setting file private on concurrent lseek using same fd
by Yifan Qiao 22 Oct '24

22 Oct '24

From: Filipe Manana <fdmanana(a)suse.com> stable inclusion from stable-v6.6.54 commit f56a6d9c267ec7fa558ede7755551c047b1034cd category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAYQS2 CVE: CVE-2024-47741 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 7ee85f5515e86a4e2a2f51969795920733912bad ] When doing concurrent lseek(2) system calls against the same file descriptor, using multiple threads belonging to the same process, we have a short time window where a race happens and can result in a memory leak. The race happens like this: 1) A program opens a file descriptor for a file and then spawns two threads (with the pthreads library for example), lets call them task A and task B; 2) Task A calls lseek with SEEK_DATA or SEEK_HOLE and ends up at file.c:find_desired_extent() while holding a read lock on the inode; 3) At the start of find_desired_extent(), it extracts the file's private_data pointer into a local variable named 'private', which has a value of NULL; 4) Task B also calls lseek with SEEK_DATA or SEEK_HOLE, locks the inode in shared mode and enters file.c:find_desired_extent(), where it also extracts file->private_data into its local variable 'private', which has a NULL value; 5) Because it saw a NULL file private, task A allocates a private structure and assigns to the file structure; 6) Task B also saw a NULL file private so it also allocates its own file private and then assigns it to the same file structure, since both tasks are using the same file descriptor. At this point we leak the private structure allocated by task A. Besides the memory leak, there's also the detail that both tasks end up using the same cached state record in the private structure (struct btrfs_file_private::llseek_cached_state), which can result in a use-after-free problem since one task can free it while the other is still using it (only one task took a reference count on it). Also, sharing the cached state is not a good idea since it could result in incorrect results in the future - right now it should not be a problem because it end ups being used only in extent-io-tree.c:count_range_bits() where we do range validation before using the cached state. Fix this by protecting the private assignment and check of a file while holding the inode's spinlock and keep track of the task that allocated the private, so that it's used only by that task in order to prevent user-after-free issues with the cached state record as well as potentially using it incorrectly in the future. Fixes: 3c32c7212f16 ("btrfs: use cached state when looking for delalloc ranges with lseek") CC: stable(a)vger.kernel.org # 6.6+ Reviewed-by: Josef Bacik <josef(a)toxicpanda.com> Signed-off-by: Filipe Manana <fdmanana(a)suse.com> Signed-off-by: David Sterba <dsterba(a)suse.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: ZhangPeng <zhangpeng362(a)huawei.com> Conflicts: fs/btrfs/btrfs_inode.h [Context differences.] Signed-off-by: Yifan Qiao <qiaoyifan4(a)huawei.com> --- fs/btrfs/btrfs_inode.h | 1 + fs/btrfs/ctree.h | 2 ++ fs/btrfs/file.c | 34 +++++++++++++++++++++++++++++++--- 3 files changed, 34 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index bda1fdbba666..58c2c863e24c 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -84,6 +84,7 @@ struct btrfs_inode { * the log or not (last_trans, last_sub_trans, last_log_commit, * logged_trans), to access/update new_delalloc_bytes and to update the * VFS' inode number of bytes used. + * Also protects setting struct file::private_data. */ spinlock_t lock; diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 06333a74d6c4..f7bb4c34b984 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -445,6 +445,8 @@ struct btrfs_file_private { void *filldir_buf; u64 last_index; struct extent_state *llseek_cached_state; + /* Task that allocated this structure. */ + struct task_struct *owner_task; }; static inline u32 BTRFS_LEAF_DATA_SIZE(const struct btrfs_fs_info *info) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 15fd8c00f4c0..fc6c91773bc8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3481,7 +3481,7 @@ static bool find_desired_extent_in_hole(struct btrfs_inode *inode, int whence, static loff_t find_desired_extent(struct file *file, loff_t offset, int whence) { struct btrfs_inode *inode = BTRFS_I(file->f_mapping->host); - struct btrfs_file_private *private = file->private_data; + struct btrfs_file_private *private; struct btrfs_fs_info *fs_info = inode->root->fs_info; struct extent_state *cached_state = NULL; struct extent_state **delalloc_cached_state; @@ -3509,7 +3509,19 @@ static loff_t find_desired_extent(struct file *file, loff_t offset, int whence) inode_get_bytes(&inode->vfs_inode) == i_size) return i_size; - if (!private) { + spin_lock(&inode->lock); + private = file->private_data; + spin_unlock(&inode->lock); + + if (private && private->owner_task != current) { + /* + * Not allocated by us, don't use it as its cached state is used + * by the task that allocated it and we don't want neither to + * mess with it nor get incorrect results because it reflects an + * invalid state for the current task. + */ + private = NULL; + } else if (!private) { private = kzalloc(sizeof(*private), GFP_KERNEL); /* * No worries if memory allocation failed. @@ -3517,7 +3529,23 @@ static loff_t find_desired_extent(struct file *file, loff_t offset, int whence) * lseek SEEK_HOLE/DATA calls to a file when there's delalloc, * so everything will still be correct. */ - file->private_data = private; + if (private) { + bool free = false; + + private->owner_task = current; + + spin_lock(&inode->lock); + if (file->private_data) + free = true; + else + file->private_data = private; + spin_unlock(&inode->lock); + + if (free) { + kfree(private); + private = NULL; + } + } } if (private) -- 2.39.2

2 1

[PATCH openEuler-22.03-LTS-SP1] soc: qcom: cmd-db: Map shared memory as WC, not WB
by dinglongwei 22 Oct '24

22 Oct '24

From: Volodymyr Babchuk <Volodymyr_Babchuk(a)epam.com> stable inclusion from stable-v5.10.225 commit f5a5a5a0e95f36e2792d48e6e4b64e665eb01374 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAR5ZD CVE: CVE-2024-46689 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit f9bb896eab221618927ae6a2f1d566567999839d upstream. Linux does not write into cmd-db region. This region of memory is write protected by XPU. XPU may sometime falsely detect clean cache eviction as "write" into the write protected region leading to secure interrupt which causes an endless loop somewhere in Trust Zone. The only reason it is working right now is because Qualcomm Hypervisor maps the same region as Non-Cacheable memory in Stage 2 translation tables. The issue manifests if we want to use another hypervisor (like Xen or KVM), which does not know anything about those specific mappings. Changing the mapping of cmd-db memory from MEMREMAP_WB to MEMREMAP_WT/WC removes dependency on correct mappings in Stage 2 tables. This patch fixes the issue by updating the mapping to MEMREMAP_WC. I tested this on SA8155P with Xen. Fixes: 312416d9171a ("drivers: qcom: add command DB driver") Cc: stable(a)vger.kernel.org # 5.4+ Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk(a)epam.com> Tested-by: Nikita Travkin <nikita(a)trvn.ru> # sc7180 WoA in EL2 Signed-off-by: Maulik Shah <quic_mkshah(a)quicinc.com> Tested-by: Pavankumar Kondeti <quic_pkondeti(a)quicinc.com> Reviewed-by: Caleb Connolly <caleb.connolly(a)linaro.org> Link: https://lore.kernel.org/r/20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicin… Signed-off-by: Bjorn Andersson <andersson(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/soc/qcom/cmd-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index fc5610603b17..006bb28e2a6e 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -319,7 +319,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; -- 2.17.1

2 1

[PATCH openEuler-22.03-LTS-SP1] media: imon: fix access to invalid resource for the second interface
by dinglongwei 22 Oct '24

22 Oct '24

From: Takashi Iwai <tiwai(a)suse.de> stable inclusion from stable-v5.10.202 commit 0f5068519f89d928d6c51100e4b274479123829f category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9R4N0 CVE: CVE-2023-52754 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit a1766a4fd83befa0b34d932d532e7ebb7fab1fa7 ] imon driver probes two USB interfaces, and at the probe of the second interface, the driver assumes blindly that the first interface got bound with the same imon driver. It's usually true, but it's still possible that the first interface is bound with another driver via a malformed descriptor. Then it may lead to a memory corruption, as spotted by syzkaller; imon driver accesses the data from drvdata as struct imon_context object although it's a completely different one that was assigned by another driver. This patch adds a sanity check -- whether the first interface is really bound with the imon driver or not -- for avoiding the problem above at the probe time. Reported-by: syzbot+59875ffef5cb9c9b29e9(a)syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/000000000000a838aa0603cc74d6@google.com/ Tested-by: Ricardo B. Marliere <ricardo(a)marliere.net> Link: https://lore.kernel.org/r/20230922005152.163640-1-ricardo@marliere.net Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sean Young <sean(a)mess.org> Signed-off-by: Hans Verkuil <hverkuil-cisco(a)xs4all.nl> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/media/rc/imon.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index bc9ac6002e25..75e23e21c07e 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -2430,6 +2430,12 @@ static int imon_probe(struct usb_interface *interface, goto fail; } + if (first_if->dev.driver != interface->dev.driver) { + dev_err(&interface->dev, "inconsistent driver matching\n"); + ret = -EINVAL; + goto fail; + } + if (ifnum == 0) { ictx = imon_init_intf0(interface, id); if (!ictx) { -- 2.17.1

2 1

[PATCH OLK-6.6] bpf: Fix use-after-free in bpf_uprobe_multi_link_attach()
by Pu Lehui 22 Oct '24

22 Oct '24

From: Oleg Nesterov <oleg(a)redhat.com> stable inclusion from stable-v6.6.54 commit 790c630ab0e7d7aba6d186581d4627c09fce60f3 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYPJ9 CVE: CVE-2024-47675 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 5fe6e308abaea082c20fbf2aa5df8e14495622cf upstream. If bpf_link_prime() fails, bpf_uprobe_multi_link_attach() goes to the error_free label and frees the array of bpf_uprobe's without calling bpf_uprobe_unregister(). This leaks bpf_uprobe->uprobe and worse, this frees bpf_uprobe->consumer without removing it from the uprobe->consumers list. Fixes: 89ae89f53d20 ("bpf: Add multi uprobe link") Closes: https://lore.kernel.org/all/000000000000382d39061f59f2dd@google.com/ Reported-by: syzbot+f7a1c2c2711e4a780f19(a)syzkaller.appspotmail.com Signed-off-by: Oleg Nesterov <oleg(a)redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz(a)infradead.org> Acked-by: Andrii Nakryiko <andrii(a)kernel.org> Acked-by: Jiri Olsa <jolsa(a)kernel.org> Tested-by: syzbot+f7a1c2c2711e4a780f19(a)syzkaller.appspotmail.com Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/20240813152524.GA7292@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Pu Lehui <pulehui(a)huawei.com> --- kernel/trace/bpf_trace.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index cc29bf49f715..61e05b2bb384 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -3283,17 +3283,20 @@ int bpf_uprobe_multi_link_attach(const union bpf_attr *attr, struct bpf_prog *pr uprobes[i].ref_ctr_offset, &uprobes[i].consumer); if (err) { - bpf_uprobe_unregister(&path, uprobes, i); - goto error_free; + link->cnt = i; + goto error_unregister; } } err = bpf_link_prime(&link->link, &link_primer); if (err) - goto error_free; + goto error_unregister; return bpf_link_settle(&link_primer); +error_unregister: + bpf_uprobe_unregister(&path, uprobes, link->cnt); + error_free: kvfree(uprobes); kfree(link); -- 2.34.1

2 1

[PATCH openEuler-1.0-LTS v2 0/8] ACPI&PCI LTS patches 2024.10
by Xiongfeng Wang 22 Oct '24

22 Oct '24

Haibo Xu (1): arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE Jonathan Cameron (2): ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add() ACPI: processor: Fix memory leaks in error paths of processor_add() Justin Stitt (2): ntp: Clamp maxerror and esterror to operating range ntp: Safeguard against time_constant overflow Phil Chang (1): hrtimer: Prevent queuing of hrtimer without a function callback Xiongfeng Wang (1): Revert "ntp: Avoid undefined behaviour in second_overflow()" Zqiang (1): smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu() arch/arm64/kernel/acpi_numa.c | 2 +- drivers/acpi/acpi_processor.c | 15 ++++++++------- kernel/smp.c | 1 + kernel/time/hrtimer.c | 2 ++ kernel/time/ntp.c | 11 ++++------- 5 files changed, 16 insertions(+), 15 deletions(-) -- 2.20.1

2 9

[PATCH OLK-5.10 0/2] CVE-2024-46822
by Heyuan Wang 22 Oct '24

22 Oct '24

From: wangheyuan <wangheyuan2(a)h-partners.com> James Morse (1): arm64: acpi: Move get_cpu_for_acpi_id() to a header Jonathan Cameron (1): arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry arch/arm64/include/asm/acpi.h | 12 ++++++++++++ arch/arm64/kernel/acpi_numa.c | 11 ----------- 2 files changed, 12 insertions(+), 11 deletions(-) -- 2.25.1

2 3

[PATCH openEuler-22.03-LTS-SP1 0/2] CVE-2024-46822
by Heyuan Wang 22 Oct '24

22 Oct '24

From: wangheyuan <wangheyuan2(a)h-partners.com> James Morse (1): arm64: acpi: Move get_cpu_for_acpi_id() to a header Jonathan Cameron (1): arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry arch/arm64/include/asm/acpi.h | 12 ++++++++++++ arch/arm64/kernel/acpi_numa.c | 11 ----------- 2 files changed, 12 insertions(+), 11 deletions(-) -- 2.25.1

2 3

[PATCH OLK-6.6] drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
by Luo Gengkun 22 Oct '24

22 Oct '24

From: Jing Zhang <renyu.zj(a)linux.alibaba.com> mainline inclusion from mainline-v6.12-rc1 commit a3dd920977dccc453c550260c4b7605b280b79c3 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAYQRS CVE: CVE-2024-47731 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- The alibaba_uncore_pmu driver forgot to clear all interrupt status in the interrupt processing function. After the PMU counter overflow interrupt occurred, an interrupt storm occurred, causing the system to hang. Therefore, clear the correct interrupt status in the interrupt handling function to fix it. Fixes: cf7b61073e45 ("drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC") Signed-off-by: Jing Zhang <renyu.zj(a)linux.alibaba.com> Reviewed-by: Shuai Xue <xueshuai(a)linux.alibaba.com> Acked-by: Mark Rutland <mark.rutland(a)arm.com> Link: https://lore.kernel.org/r/1724297611-20686-1-git-send-email-renyu.zj@linux.… Signed-off-by: Will Deacon <will(a)kernel.org> Signed-off-by: Luo Gengkun <luogengkun(a)huaweicloud.com> --- drivers/perf/alibaba_uncore_drw_pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c index 19d459a36be5..818ce4424d34 100644 --- a/drivers/perf/alibaba_uncore_drw_pmu.c +++ b/drivers/perf/alibaba_uncore_drw_pmu.c @@ -408,7 +408,7 @@ static irqreturn_t ali_drw_pmu_isr(int irq_num, void *data) } /* clear common counter intr status */ - clr_status = FIELD_PREP(ALI_DRW_PMCOM_CNT_OV_INTR_MASK, 1); + clr_status = FIELD_PREP(ALI_DRW_PMCOM_CNT_OV_INTR_MASK, status); writel(clr_status, drw_pmu->cfg_base + ALI_DRW_PMU_OV_INTR_CLR); } -- 2.34.1

2 1

[PATCH OLK-6.6] i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup
by Heyuan Wang 22 Oct '24

22 Oct '24

From: Jarkko Nikula <jarkko.nikula(a)linux.intel.com> stable inclusion from stable-v6.6.51 commit 5a022269abb22809f2a174b90f200fc4b9526058 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAVU96 CVE: CVE-2024-47665 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 8a2be2f1db268ec735419e53ef04ca039fc027dc ] Definitely condition dma_get_cache_alignment * defined value > 256 during driver initialization is not reason to BUG_ON(). Turn that to graceful error out with -EINVAL. Signed-off-by: Jarkko Nikula <jarkko.nikula(a)linux.intel.com> Link: https://lore.kernel.org/r/20240628131559.502822-3-jarkko.nikula@linux.intel… Signed-off-by: Alexandre Belloni <alexandre.belloni(a)bootlin.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: wangheyuan <wangheyuan2(a)h-partners.com> --- drivers/i3c/master/mipi-i3c-hci/dma.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index 71b5dbe45c45..a4b56d59a5a1 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -291,7 +291,10 @@ static int hci_dma_init(struct i3c_hci *hci) rh->ibi_chunk_sz = dma_get_cache_alignment(); rh->ibi_chunk_sz *= IBI_CHUNK_CACHELINES; - BUG_ON(rh->ibi_chunk_sz > 256); + if (rh->ibi_chunk_sz > 256) { + ret = -EINVAL; + goto err_out; + } ibi_status_ring_sz = rh->ibi_status_sz * rh->ibi_status_entries; ibi_data_ring_sz = rh->ibi_chunk_sz * rh->ibi_chunks_total; -- 2.25.1

2 1

[PATCH OLK-5.10] nfsd: return -EINVAL when namelen is 0
by Li Lingfeng 22 Oct '24

22 Oct '24

mainline inclusion from mainline-v6.12-rc1 commit 22451a16b7ab7debefce660672566be887db1637 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAYQ6P Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- When we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdup_user() to return ZERO_SIZE_PTR. When we access the name.data that has been assigned the value of ZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is triggered. [ T1205] ================================================================== [ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260 [ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205 [ T1205] [ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406 [ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014 [ T1205] Call Trace: [ T1205] dump_stack+0x9a/0xd0 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] __kasan_report.cold+0x34/0x84 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] kasan_report+0x3a/0x50 [ T1205] nfs4_client_to_reclaim+0xe9/0x260 [ T1205] ? nfsd4_release_lockowner+0x410/0x410 [ T1205] cld_pipe_downcall+0x5ca/0x760 [ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0 [ T1205] ? down_write_killable_nested+0x170/0x170 [ T1205] ? avc_policy_seqno+0x28/0x40 [ T1205] ? selinux_file_permission+0x1b4/0x1e0 [ T1205] rpc_pipe_write+0x84/0xb0 [ T1205] vfs_write+0x143/0x520 [ T1205] ksys_write+0xc9/0x170 [ T1205] ? __ia32_sys_read+0x50/0x50 [ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110 [ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110 [ T1205] do_syscall_64+0x33/0x40 [ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [ T1205] RIP: 0033:0x7fdbdb761bc7 [ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 514 [ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7 [ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008 [ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001 [ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b [ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000 [ T1205] ================================================================== Fix it by checking namelen. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> Fixes: 74725959c33c ("nfsd: un-deprecate nfsdcld") Reviewed-by: Jeff Layton <jlayton(a)kernel.org> Reviewed-by: Scott Mayhew <smayhew(a)redhat.com> Tested-by: Scott Mayhew <smayhew(a)redhat.com> Signed-off-by: Chuck Lever <chuck.lever(a)oracle.com> Conflicts: fs/nfsd/nfs4recover.c [Commit 30a30fcc3fc1 ("nfsd: Propagate some error code returned by memdup_user()") return PTR_ERR(name.data) instead of -EFAULT] Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfsd/nfs4recover.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 83c4e6883953..f2801eaea7c6 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -806,6 +806,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, ci = &cmsg->cm_u.cm_clntinfo; if (get_user(namelen, &ci->cc_name.cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&ci->cc_name.cn_id, namelen); if (IS_ERR_OR_NULL(name.data)) return -EFAULT; @@ -828,6 +832,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, cnm = &cmsg->cm_u.cm_name; if (get_user(namelen, &cnm->cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&cnm->cn_id, namelen); if (IS_ERR_OR_NULL(name.data)) return -EFAULT; -- 2.31.1

2 1

[PATCH OLK-6.6] nfsd: return -EINVAL when namelen is 0
by Li Lingfeng 22 Oct '24

22 Oct '24

stable inclusion from stable-v6.6.54 commit 318f70857caab3da9a6ada9bc8c1f4f7591b695e category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAYQ6P Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 22451a16b7ab7debefce660672566be887db1637 ] When we have a corrupted main.sqlite in /var/lib/nfs/nfsdcld/, it may result in namelen being 0, which will cause memdup_user() to return ZERO_SIZE_PTR. When we access the name.data that has been assigned the value of ZERO_SIZE_PTR in nfs4_client_to_reclaim(), null pointer dereference is triggered. [ T1205] ================================================================== [ T1205] BUG: KASAN: null-ptr-deref in nfs4_client_to_reclaim+0xe9/0x260 [ T1205] Read of size 1 at addr 0000000000000010 by task nfsdcld/1205 [ T1205] [ T1205] CPU: 11 PID: 1205 Comm: nfsdcld Not tainted 5.10.0-00003-g2c1423731b8d #406 [ T1205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ?-20190727_073836-buildvm-ppc64le-16.ppc.fedoraproject.org-3.fc31 04/01/2014 [ T1205] Call Trace: [ T1205] dump_stack+0x9a/0xd0 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] __kasan_report.cold+0x34/0x84 [ T1205] ? nfs4_client_to_reclaim+0xe9/0x260 [ T1205] kasan_report+0x3a/0x50 [ T1205] nfs4_client_to_reclaim+0xe9/0x260 [ T1205] ? nfsd4_release_lockowner+0x410/0x410 [ T1205] cld_pipe_downcall+0x5ca/0x760 [ T1205] ? nfsd4_cld_tracking_exit+0x1d0/0x1d0 [ T1205] ? down_write_killable_nested+0x170/0x170 [ T1205] ? avc_policy_seqno+0x28/0x40 [ T1205] ? selinux_file_permission+0x1b4/0x1e0 [ T1205] rpc_pipe_write+0x84/0xb0 [ T1205] vfs_write+0x143/0x520 [ T1205] ksys_write+0xc9/0x170 [ T1205] ? __ia32_sys_read+0x50/0x50 [ T1205] ? ktime_get_coarse_real_ts64+0xfe/0x110 [ T1205] ? ktime_get_coarse_real_ts64+0xa2/0x110 [ T1205] do_syscall_64+0x33/0x40 [ T1205] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [ T1205] RIP: 0033:0x7fdbdb761bc7 [ T1205] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 514 [ T1205] RSP: 002b:00007fff8c4b7248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ T1205] RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007fdbdb761bc7 [ T1205] RDX: 000000000000042b RSI: 00007fff8c4b75f0 RDI: 0000000000000008 [ T1205] RBP: 00007fdbdb761bb0 R08: 0000000000000000 R09: 0000000000000001 [ T1205] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000042b [ T1205] R13: 0000000000000008 R14: 00007fff8c4b75f0 R15: 0000000000000000 [ T1205] ================================================================== Fix it by checking namelen. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> Fixes: 74725959c33c ("nfsd: un-deprecate nfsdcld") Reviewed-by: Jeff Layton <jlayton(a)kernel.org> Reviewed-by: Scott Mayhew <smayhew(a)redhat.com> Tested-by: Scott Mayhew <smayhew(a)redhat.com> Signed-off-by: Chuck Lever <chuck.lever(a)oracle.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- fs/nfsd/nfs4recover.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 3509e73abe1f..4395577825a7 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -806,6 +806,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, ci = &cmsg->cm_u.cm_clntinfo; if (get_user(namelen, &ci->cc_name.cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&ci->cc_name.cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); @@ -828,6 +832,10 @@ __cld_pipe_inprogress_downcall(const struct cld_msg_v2 __user *cmsg, cnm = &cmsg->cm_u.cm_name; if (get_user(namelen, &cnm->cn_len)) return -EFAULT; + if (!namelen) { + dprintk("%s: namelen should not be zero", __func__); + return -EINVAL; + } name.data = memdup_user(&cnm->cn_id, namelen); if (IS_ERR(name.data)) return PTR_ERR(name.data); -- 2.31.1

2 1

[PATCH openEuler-1.0-LTS 0/8] ACPI&PCI LTS patches 2024.10
by Xiongfeng Wang 22 Oct '24

22 Oct '24

Haibo Xu (1): arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE Jonathan Cameron (2): ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add() ACPI: processor: Fix memory leaks in error paths of processor_add() Justin Stitt (2): ntp: Clamp maxerror and esterror to operating range ntp: Safeguard against time_constant overflow Phil Chang (1): hrtimer: Prevent queuing of hrtimer without a function callback Xiongfeng Wang (1): Revert "ntp: Avoid undefined behaviour in second_overflow()" Zqiang (1): smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu() arch/arm64/kernel/acpi_numa.c | 2 +- drivers/acpi/acpi_processor.c | 15 ++++++++------- kernel/smp.c | 1 + kernel/time/hrtimer.c | 2 ++ kernel/time/ntp.c | 11 ++++------- 5 files changed, 16 insertions(+), 15 deletions(-) -- 2.20.1

2 9

[PATCH OLK-5.10] soc: qcom: cmd-db: Map shared memory as WC, not WB
by dinglongwei 21 Oct '24

21 Oct '24

From: Volodymyr Babchuk <Volodymyr_Babchuk(a)epam.com> stable inclusion from stable-v5.10.225 commit f5a5a5a0e95f36e2792d48e6e4b64e665eb01374 category: bugfix bugzilla: 189268 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit f9bb896eab221618927ae6a2f1d566567999839d upstream. Linux does not write into cmd-db region. This region of memory is write protected by XPU. XPU may sometime falsely detect clean cache eviction as "write" into the write protected region leading to secure interrupt which causes an endless loop somewhere in Trust Zone. The only reason it is working right now is because Qualcomm Hypervisor maps the same region as Non-Cacheable memory in Stage 2 translation tables. The issue manifests if we want to use another hypervisor (like Xen or KVM), which does not know anything about those specific mappings. Changing the mapping of cmd-db memory from MEMREMAP_WB to MEMREMAP_WT/WC removes dependency on correct mappings in Stage 2 tables. This patch fixes the issue by updating the mapping to MEMREMAP_WC. I tested this on SA8155P with Xen. Fixes: 312416d9171a ("drivers: qcom: add command DB driver") Cc: stable(a)vger.kernel.org # 5.4+ Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk(a)epam.com> Tested-by: Nikita Travkin <nikita(a)trvn.ru> # sc7180 WoA in EL2 Signed-off-by: Maulik Shah <quic_mkshah(a)quicinc.com> Tested-by: Pavankumar Kondeti <quic_pkondeti(a)quicinc.com> Reviewed-by: Caleb Connolly <caleb.connolly(a)linaro.org> Link: https://lore.kernel.org/r/20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicin… Signed-off-by: Bjorn Andersson <andersson(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/soc/qcom/cmd-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index fc5610603b17..006bb28e2a6e 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -319,7 +319,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; -- 2.17.1

2 1

[openEuler-22.03-LTS-SP1] soc: qcom: cmd-db: Map shared memory as WC, not WB
by dinglongwei 21 Oct '24

21 Oct '24

From: Volodymyr Babchuk <Volodymyr_Babchuk(a)epam.com> stable inclusion from stable-v5.10.225 commit f5a5a5a0e95f36e2792d48e6e4b64e665eb01374 category: bugfix bugzilla: 189268 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit f9bb896eab221618927ae6a2f1d566567999839d upstream. Linux does not write into cmd-db region. This region of memory is write protected by XPU. XPU may sometime falsely detect clean cache eviction as "write" into the write protected region leading to secure interrupt which causes an endless loop somewhere in Trust Zone. The only reason it is working right now is because Qualcomm Hypervisor maps the same region as Non-Cacheable memory in Stage 2 translation tables. The issue manifests if we want to use another hypervisor (like Xen or KVM), which does not know anything about those specific mappings. Changing the mapping of cmd-db memory from MEMREMAP_WB to MEMREMAP_WT/WC removes dependency on correct mappings in Stage 2 tables. This patch fixes the issue by updating the mapping to MEMREMAP_WC. I tested this on SA8155P with Xen. Fixes: 312416d9171a ("drivers: qcom: add command DB driver") Cc: stable(a)vger.kernel.org # 5.4+ Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk(a)epam.com> Tested-by: Nikita Travkin <nikita(a)trvn.ru> # sc7180 WoA in EL2 Signed-off-by: Maulik Shah <quic_mkshah(a)quicinc.com> Tested-by: Pavankumar Kondeti <quic_pkondeti(a)quicinc.com> Reviewed-by: Caleb Connolly <caleb.connolly(a)linaro.org> Link: https://lore.kernel.org/r/20240718-cmd_db_uncached-v2-1-f6cf53164c90@quicin… Signed-off-by: Bjorn Andersson <andersson(a)kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/soc/qcom/cmd-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index fc5610603b17..006bb28e2a6e 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -319,7 +319,7 @@ static int cmd_db_dev_probe(struct platform_device *pdev) return -EINVAL; } - cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WB); + cmd_db_header = memremap(rmem->base, rmem->size, MEMREMAP_WC); if (!cmd_db_header) { ret = -ENOMEM; cmd_db_header = NULL; -- 2.17.1

1 0

[openEuler-22.03-LTS-SP1] media: imon: fix access to invalid resource for the second interface
by dinglongwei 21 Oct '24

21 Oct '24

From: Takashi Iwai <tiwai(a)suse.de> stable inclusion from stable-v5.10.202 commit 0f5068519f89d928d6c51100e4b274479123829f category: bugfix bugzilla: 189268 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit a1766a4fd83befa0b34d932d532e7ebb7fab1fa7 ] imon driver probes two USB interfaces, and at the probe of the second interface, the driver assumes blindly that the first interface got bound with the same imon driver. It's usually true, but it's still possible that the first interface is bound with another driver via a malformed descriptor. Then it may lead to a memory corruption, as spotted by syzkaller; imon driver accesses the data from drvdata as struct imon_context object although it's a completely different one that was assigned by another driver. This patch adds a sanity check -- whether the first interface is really bound with the imon driver or not -- for avoiding the problem above at the probe time. Reported-by: syzbot+59875ffef5cb9c9b29e9(a)syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/000000000000a838aa0603cc74d6@google.com/ Tested-by: Ricardo B. Marliere <ricardo(a)marliere.net> Link: https://lore.kernel.org/r/20230922005152.163640-1-ricardo@marliere.net Signed-off-by: Takashi Iwai <tiwai(a)suse.de> Signed-off-by: Sean Young <sean(a)mess.org> Signed-off-by: Hans Verkuil <hverkuil-cisco(a)xs4all.nl> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/media/rc/imon.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index bc9ac6002e25..75e23e21c07e 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -2430,6 +2430,12 @@ static int imon_probe(struct usb_interface *interface, goto fail; } + if (first_if->dev.driver != interface->dev.driver) { + dev_err(&interface->dev, "inconsistent driver matching\n"); + ret = -EINVAL; + goto fail; + } + if (ifnum == 0) { ictx = imon_init_intf0(interface, id); if (!ictx) { -- 2.17.1

1 0

[PATCH OLK-6.6 0/1] CVE-2024-46691
by Yongqiang Liu 21 Oct '24

21 Oct '24

CVE-2024-46691 Bjorn Andersson (1): usb: typec: ucsi: Move unregister out of atomic section drivers/soc/qcom/pmic_glink.c | 10 +++++++++- drivers/usb/typec/ucsi/ucsi_glink.c | 27 ++++++++++++++++++++++----- 2 files changed, 31 insertions(+), 6 deletions(-) -- 2.25.1

2 2

[PATCH OLK-5.10 1/1] of: module: prevent NULL pointer dereference in vsnprintf()
by Chen Jun 21 Oct '24

21 Oct '24

From: Sergey Shtylyov <s.shtylyov(a)omp.ru> mainline inclusion from mainline-v6.9-rc3 commit a1aa5390cc912934fee76ce80af5f940452fa987 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9QG8R CVE: CVE-2024-35878 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprintf() takes size_t parameter while ours is ssize_t... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool. Signed-off-by: Sergey Shtylyov <s.shtylyov(a)omp.ru> Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/1d211023-3923-685b-20f0-f3f90ea56e1f@omp.ru Signed-off-by: Rob Herring <robh(a)kernel.org> Conflicts: drivers/of/device.c drivers/of/module.c [chenjun: context conflicts. of_modalias() is not extracted from of_device_get_modalias().] Signed-off-by: Chen Jun <chenjun102(a)huawei.com> --- drivers/of/device.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/of/device.c b/drivers/of/device.c index 93f08f18f6b3..0b1d317acb88 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -226,6 +226,14 @@ static ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len if ((!dev) || (!dev->of_node)) return -ENODEV; + /* + * Prevent a kernel oops in vsnprintf() -- it only allows passing a + * NULL ptr when the length is also 0. Also filter out the negative + * lengths... + */ + if ((len > 0 && !str) || len < 0) + return -EINVAL; + /* Name & Type */ /* %p eats all alphanum characters, so %c must be used here */ csize = snprintf(str, len, "of:N%pOFn%c%s", dev->of_node, 'T', -- 2.17.1

2 1

[PATCH OLK-6.6] rintk: Add notation to console_srcu locking
by Xiaomeng Zhang 21 Oct '24

21 Oct '24

From: John Ogness <john.ogness(a)linutronix.de> stable inclusion from stable-v6.12-rc1 commit eda25860bf6e71932311f1b5acdf8fc05cd84ff3 category: bugfix bugzilla: 190343 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- kernel/printk/printk.c:284:5: sparse: sparse: context imbalance in 'console_srcu_read_lock' - wrong count at exit include/linux/srcu.h:301:9: sparse: sparse: context imbalance in 'console_srcu_read_unlock' - unexpected unlock Fixes: 6c4afa79147e ("printk: Prepare for SRCU console list protection") Signed-off-by: John Ogness <john.ogness(a)linutronix.de> Reviewed-by: Petr Mladek <pmladek(a)suse.com> Acked-by: Paul E. McKenney <paulmck(a)kernel.org> Link: https://lore.kernel.org/r/20240820063001.36405-2-john.ogness@linutronix.de Signed-off-by: Petr Mladek <pmladek(a)suse.com> Signed-off-by: Xiaomeng Zhang <zhangxiaomeng13(a)huawei.com> --- kernel/printk/printk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index b4e390e0b4bd..1ab3185846a7 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -288,6 +288,7 @@ EXPORT_SYMBOL(console_list_unlock); * Return: A cookie to pass to console_srcu_read_unlock(). */ int console_srcu_read_lock(void) + __acquires(&console_srcu) { return srcu_read_lock_nmisafe(&console_srcu); } @@ -301,6 +302,7 @@ EXPORT_SYMBOL(console_srcu_read_lock); * Counterpart to console_srcu_read_lock() */ void console_srcu_read_unlock(int cookie) + __releases(&console_srcu) { srcu_read_unlock_nmisafe(&console_srcu, cookie); } -- 2.34.1

2 1

[PATCH OLK-6.6] kabi: cca-da: reserve space for cca-da related structure
by Guangwei Zhou 21 Oct '24

21 Oct '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAYHMY CVE: NA ---------------------------------------------------------------------- Reserve space for struct device for CCA device assignment feature. Signed-off-by: Guangwei Zhou <zhouguangwei5(a)huawei.com> --- include/linux/device.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 17427fc8e035..8e7288221947 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -814,6 +814,13 @@ struct device { KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) + KABI_RESERVE(11) + KABI_RESERVE(12) + KABI_RESERVE(13) + KABI_RESERVE(14) + KABI_RESERVE(15) }; /** -- 2.33.0

2 1

[PATCH OLK-6.6] kabi: reserve kabi in IOMMU related structs
by yuhao_zhang 21 Oct '24

21 Oct '24

hulk inclusion category: feature bugzilla:https://gitee.com/openeuler/kernel/issues/IAYJUR CVE: NA ------------------ To ensure flexibility in the ongoing development of the IOMMU Framework, reserve fields in both the struct iommu_domain_ops and struct iommu_domain structures. Signed-off-by: Yuhao Zhang <yuhao.zhang(a)huawei.com> --- include/linux/iommu.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 8fb93470a134..604151db18ec 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -256,22 +256,24 @@ struct iommu_domain { * protected by iommu_sva_lock. */ struct list_head next; + KABI_RESERVE(1) + KABI_RESERVE(2) }; }; struct mutex switch_log_lock; #ifdef CONFIG_HISI_VIRTCCA_HOST - KABI_USE(1, bool secure) + KABI_USE(3, bool secure) #else - KABI_RESERVE(1) -#endif - KABI_RESERVE(2) KABI_RESERVE(3) +#endif KABI_RESERVE(4) KABI_RESERVE(5) KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; static inline bool iommu_is_dma_domain(struct iommu_domain *domain) @@ -745,6 +747,8 @@ struct iommu_domain_ops { KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; /** -- 2.39.5 (Apple Git-154)

2 1

[PATCH OLK-6.6] kabi: reserve kabi in IOMMU related structs
by yuhao_zhang 21 Oct '24

21 Oct '24

hulk inclusion category: feature bugzilla:https://gitee.com/openeuler/kernel/issues/IAYJUR CVE: NA ------------------ To ensure flexibility in the ongoing development of the IOMMU Framework, reserve fields in both the struct iommu_domain_ops and struct iommu_domain structures. Signed-off-by: Yuhao Zhang <yuhao.zhang(a)huawei.com> --- include/linux/iommu.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 8fb93470a134..604151db18ec 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -256,22 +256,24 @@ struct iommu_domain { * protected by iommu_sva_lock. */ struct list_head next; + KABI_RESERVE(1) + KABI_RESERVE(2) }; }; struct mutex switch_log_lock; #ifdef CONFIG_HISI_VIRTCCA_HOST - KABI_USE(1, bool secure) + KABI_USE(3, bool secure) #else - KABI_RESERVE(1) -#endif - KABI_RESERVE(2) KABI_RESERVE(3) +#endif KABI_RESERVE(4) KABI_RESERVE(5) KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; static inline bool iommu_is_dma_domain(struct iommu_domain *domain) @@ -745,6 +747,8 @@ struct iommu_domain_ops { KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) }; /** -- 2.39.5 (Apple Git-154)

2 1

[PATCH] kabi: cca-da: reserve space for cca-da related structure
by Guangwei Zhou 21 Oct '24

21 Oct '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/IAYHMY CVE: NA ---------------------------------------------------------------------- Reserve space for struct device for CCA device assignment feature. Signed-off-by: Guangwei Zhou <zhouguangwei5(a)huawei.com> --- include/linux/device.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 17427fc8e035..8e7288221947 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -814,6 +814,13 @@ struct device { KABI_RESERVE(6) KABI_RESERVE(7) KABI_RESERVE(8) + KABI_RESERVE(9) + KABI_RESERVE(10) + KABI_RESERVE(11) + KABI_RESERVE(12) + KABI_RESERVE(13) + KABI_RESERVE(14) + KABI_RESERVE(15) }; /** -- 2.33.0

1 0

[PATCH openEuler-1.0-LTS] hwmon: (nct6775-core) Fix underflows seen when writing limit attributes
by Lin Ruifeng 21 Oct '24

21 Oct '24

From: Guenter Roeck <linux(a)roeck-us.net> stable inclusion from stable-v4.19.322 commit 298a55f11edd811f2189b74eb8f53dee34d4f14c bugzilla: https://gitee.com/src-openeuler/kernel/issues/IARWFE CVE: CVE-2024-46757 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 0403e10bf0824bf0ec2bb135d4cf1c0cc3bf4bf0 ] DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Guenter Roeck <linux(a)roeck-us.net> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Lin Ruifeng <linruifeng4(a)huawei.com> --- drivers/hwmon/nct6775.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 559101a1c136..23581dc62246 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -2264,7 +2264,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_offset[nr] = val; -- 2.17.1

2 1

[PATCH OLK-6.6] mm: mem_reliable: Initialize reliable_nr_page when mm_init()
by Wupeng Ma 21 Oct '24

21 Oct '24

From: Ma Wupeng <mawupeng1(a)huawei.com> hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I6RKHX -------------------------------- After the fork operation, it is erroneous for the child process to have a reliable page size twice that of its parent process. Upon examining the mm_struct structure, it was discovered that reliable_nr_page should be initialized to 0, similar to how RSS is initialized during mm_init(). This particular problem that arises during forking is merely one such example. To resolve this issue, it is recommended to set reliable_nr_page to 0 during the mm_init() operation. Fixes: 8fc2546f8508 ("proc: mem_reliable: Count reliable memory usage of reliable tasks") Signed-off-by: Ma Wupeng <mawupeng1(a)huawei.com> --- include/linux/mem_reliable.h | 9 +++++++++ kernel/fork.c | 1 + 2 files changed, 10 insertions(+) diff --git a/include/linux/mem_reliable.h b/include/linux/mem_reliable.h index d8cabf94f4a32..1e928ff69d997 100644 --- a/include/linux/mem_reliable.h +++ b/include/linux/mem_reliable.h @@ -216,6 +216,14 @@ static inline void add_reliable_page_counter(struct page *page, reliable_page_counter_inner(mm, val); } + +static inline void reliable_clear_page_counter(struct mm_struct *mm) +{ + if (!mem_reliable_is_enabled()) + return; + + atomic_long_set(&mm->reliable_nr_page, 0); +} #else #define reliable_enabled 0 @@ -259,6 +267,7 @@ static inline void add_reliable_folio_counter(struct folio *folio, struct mm_struct *mm, int val) {} static inline void reliable_report_usage(struct seq_file *m, struct mm_struct *mm) {} +static inline void reliable_clear_page_counter(struct mm_struct *mm) {} #endif #endif diff --git a/kernel/fork.c b/kernel/fork.c index e033388b11bd9..27d605c64b45d 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1326,6 +1326,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, mm->locked_vm = 0; atomic64_set(&mm->pinned_vm, 0); memset(&mm->rss_stat, 0, sizeof(mm->rss_stat)); + reliable_clear_page_counter(mm); spin_lock_init(&mm->page_table_lock); spin_lock_init(&mm->arg_lock); mm_init_cpumask(mm); -- 2.25.1

2 1

[PATCH OLK-5.10] blk-mq: fix blk_mq_hw_ctx active request accounting
by Zheng Qixing 21 Oct '24

21 Oct '24

From: Tian Lan <tian.lan(a)twosigma.com> mainline inclusion from mainline-v6.4-rc6 commit ddad59331a4e16088468ca0ad228a9fe32d7955a category: panic bugzilla: https://gitee.com/openeuler/kernel/issues/IAWGLV Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- The nr_active counter continues to increase over time which causes the blk_mq_get_tag to hang until the thread is rescheduled to a different core despite there are still tags available. kernel-stack INFO: task inboundIOReacto:3014879 blocked for more than 2 seconds Not tainted 6.1.15-amd64 #1 Debian 6.1.15~debian11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:inboundIOReacto state:D stack:0 pid:3014879 ppid:4557 flags:0x00000000 Call Trace: <TASK> __schedule+0x351/0xa20 scheduler+0x5d/0xe0 io_schedule+0x42/0x70 blk_mq_get_tag+0x11a/0x2a0 ? dequeue_task_stop+0x70/0x70 __blk_mq_alloc_requests+0x191/0x2e0 kprobe output showing RQF_MQ_INFLIGHT bit is not cleared before __blk_mq_free_request being called. 320 320 kworker/29:1H __blk_mq_free_request rq_flags 0x220c0 in-flight 1 b'__blk_mq_free_request+0x1 [kernel]' b'bt_iter+0x50 [kernel]' b'blk_mq_queue_tag_busy_iter+0x318 [kernel]' b'blk_mq_timeout_work+0x7c [kernel]' b'process_one_work+0x1c4 [kernel]' b'worker_thread+0x4d [kernel]' b'kthread+0xe6 [kernel]' b'ret_from_fork+0x1f [kernel]' Signed-off-by: Tian Lan <tian.lan(a)twosigma.com> Fixes: 2e315dc07df0 ("blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter") Reviewed-by: Ming Lei <ming.lei(a)redhat.com> Link: https://lore.kernel.org/r/20230513221227.497327-1-tilan7663@gmail.com Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Conflicts: block/blk-mq.c [The conflict here is caused by the introduction of commit a668e8669590 ("blk-mq: allow hardware queue to get more tag while sharing a tag set"), which depends on this patch.] Signed-off-by: Zheng Qixing <zhengqixing(a)huawei.com> --- block/blk-mq.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 0c0b869a012e..39f9a889b19b 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -577,6 +577,15 @@ static void __blk_mq_free_request(struct request *rq) blk_crypto_free_request(rq); blk_pm_mark_last_busy(rq); rq->mq_hctx = NULL; + + if (rq->rq_flags & RQF_MQ_INFLIGHT) { + __blk_mq_dec_active_requests(hctx); + if (mq_unfair_dtag && !__blk_mq_active_requests(hctx)) { + blk_mq_tag_idle(hctx); + blk_mq_dtag_idle(hctx, true); + } + } + if (rq->tag != BLK_MQ_NO_TAG) blk_mq_put_tag(hctx->tags, ctx, rq->tag); if (sched_tag != BLK_MQ_NO_TAG) @@ -590,7 +599,6 @@ void blk_mq_free_request(struct request *rq) struct request_queue *q = rq->q; struct elevator_queue *e = q->elevator; struct blk_mq_ctx *ctx = rq->mq_ctx; - struct blk_mq_hw_ctx *hctx = rq->mq_hctx; if (rq->rq_flags & RQF_ELVPRIV) { if (e && e->type->ops.finish_request) @@ -602,13 +610,6 @@ void blk_mq_free_request(struct request *rq) } ctx->rq_completed[rq_is_sync(rq)]++; - if (rq->rq_flags & RQF_MQ_INFLIGHT) { - __blk_mq_dec_active_requests(hctx); - if (mq_unfair_dtag && !__blk_mq_active_requests(hctx)) { - blk_mq_tag_idle(hctx); - blk_mq_dtag_idle(hctx, true); - } - } if (unlikely(laptop_mode && !blk_rq_is_passthrough(rq))) laptop_io_completion(q->backing_dev_info); -- 2.39.2

2 1

[PATCH openEuler-22.03-LTS-SP1] blk-mq: fix blk_mq_hw_ctx active request accounting
by Zheng Qixing 21 Oct '24

21 Oct '24

From: Tian Lan <tian.lan(a)twosigma.com> mainline inclusion from mainline-v6.4-rc6 commit ddad59331a4e16088468ca0ad228a9fe32d7955a category: panic bugzilla: https://gitee.com/openeuler/kernel/issues/IAWGLV Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- The nr_active counter continues to increase over time which causes the blk_mq_get_tag to hang until the thread is rescheduled to a different core despite there are still tags available. kernel-stack INFO: task inboundIOReacto:3014879 blocked for more than 2 seconds Not tainted 6.1.15-amd64 #1 Debian 6.1.15~debian11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:inboundIOReacto state:D stack:0 pid:3014879 ppid:4557 flags:0x00000000 Call Trace: <TASK> __schedule+0x351/0xa20 scheduler+0x5d/0xe0 io_schedule+0x42/0x70 blk_mq_get_tag+0x11a/0x2a0 ? dequeue_task_stop+0x70/0x70 __blk_mq_alloc_requests+0x191/0x2e0 kprobe output showing RQF_MQ_INFLIGHT bit is not cleared before __blk_mq_free_request being called. 320 320 kworker/29:1H __blk_mq_free_request rq_flags 0x220c0 in-flight 1 b'__blk_mq_free_request+0x1 [kernel]' b'bt_iter+0x50 [kernel]' b'blk_mq_queue_tag_busy_iter+0x318 [kernel]' b'blk_mq_timeout_work+0x7c [kernel]' b'process_one_work+0x1c4 [kernel]' b'worker_thread+0x4d [kernel]' b'kthread+0xe6 [kernel]' b'ret_from_fork+0x1f [kernel]' Signed-off-by: Tian Lan <tian.lan(a)twosigma.com> Fixes: 2e315dc07df0 ("blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter") Reviewed-by: Ming Lei <ming.lei(a)redhat.com> Link: https://lore.kernel.org/r/20230513221227.497327-1-tilan7663@gmail.com Signed-off-by: Jens Axboe <axboe(a)kernel.dk> Conflicts: block/blk-mq.c [The conflict here is caused by the introduction of commit a668e8669590 ("blk-mq: allow hardware queue to get more tag while sharing a tag set"), which depends on this patch.] Signed-off-by: Zheng Qixing <zhengqixing(a)huawei.com> --- block/blk-mq.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 0c0b869a012e..39f9a889b19b 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -577,6 +577,15 @@ static void __blk_mq_free_request(struct request *rq) blk_crypto_free_request(rq); blk_pm_mark_last_busy(rq); rq->mq_hctx = NULL; + + if (rq->rq_flags & RQF_MQ_INFLIGHT) { + __blk_mq_dec_active_requests(hctx); + if (mq_unfair_dtag && !__blk_mq_active_requests(hctx)) { + blk_mq_tag_idle(hctx); + blk_mq_dtag_idle(hctx, true); + } + } + if (rq->tag != BLK_MQ_NO_TAG) blk_mq_put_tag(hctx->tags, ctx, rq->tag); if (sched_tag != BLK_MQ_NO_TAG) @@ -590,7 +599,6 @@ void blk_mq_free_request(struct request *rq) struct request_queue *q = rq->q; struct elevator_queue *e = q->elevator; struct blk_mq_ctx *ctx = rq->mq_ctx; - struct blk_mq_hw_ctx *hctx = rq->mq_hctx; if (rq->rq_flags & RQF_ELVPRIV) { if (e && e->type->ops.finish_request) @@ -602,13 +610,6 @@ void blk_mq_free_request(struct request *rq) } ctx->rq_completed[rq_is_sync(rq)]++; - if (rq->rq_flags & RQF_MQ_INFLIGHT) { - __blk_mq_dec_active_requests(hctx); - if (mq_unfair_dtag && !__blk_mq_active_requests(hctx)) { - blk_mq_tag_idle(hctx); - blk_mq_dtag_idle(hctx, true); - } - } if (unlikely(laptop_mode && !blk_rq_is_passthrough(rq))) laptop_io_completion(q->backing_dev_info); -- 2.39.2

2 1

[openeuler:OLK-6.6 14224/14651] drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h: linux/pci.h is included more than once.
by kernel test robot 20 Oct '24

20 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1 commit: bad535d287c9c1056d99de3666be7da84de4a8fc [14224/14651] Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410200327.900tBDUF-lkp@intel.com/ includecheck warnings: (new ones prefixed by >>) >> drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h: linux/pci.h is included more than once. vim +12 drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h 9 10 #include <linux/mod_devicetable.h> 11 #include <linux/device.h> > 12 #include <linux/pci.h> 13 #include <linux/etherdevice.h> 14 #include <linux/if_ether.h> 15 #include <linux/if_vlan.h> 16 #include <linux/ip.h> 17 #include <linux/ipv6.h> 18 #include <linux/sctp.h> 19 #include <linux/ethtool.h> 20 #include <linux/debugfs.h> 21 #include <linux/firmware.h> 22 #include <linux/list.h> 23 #include <linux/pldmfw.h> 24 #include <linux/types.h> 25 #include <linux/errno.h> 26 #include <linux/cdev.h> 27 #include <linux/kfifo.h> 28 #include <linux/termios.h> 29 #include <net/inet6_hashtables.h> 30 #include <linux/compiler.h> 31 #include <linux/netdevice.h> 32 #include <net/devlink.h> 33 #include <net/ipv6.h> 34 #include <net/pkt_cls.h> 35 #include <net/bonding.h> 36 #include <linux/if_bridge.h> 37 #include <linux/rtnetlink.h> > 38 #include <linux/pci.h> 39 #include <linux/delay.h> 40 #include <linux/dma-map-ops.h> 41 #include <linux/dma-mapping.h> 42 #include <linux/iommu.h> 43 #include <linux/mdev.h> 44 #include <linux/vfio.h> 45 #include <uapi/linux/elf.h> 46 #include <linux/crc32.h> 47 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6] BUILD REGRESSION 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1
by kernel test robot 19 Oct '24

19 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1 !11667 Adds Nebula S1000 series network snic driver Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202410190046.BHffJ6Tf-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410190816.EUZ9uPVH-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410191113.e2y65UAz-lkp@intel.com Warning: drivers/net/ethernet/nebula-matrix/Kconfig references a file that doesn't exist: file:Documentation/networking/device_drivers/ethernet/nebula-matrix/m18110.rst cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: nbl_product_base.h: No such file or directory drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.h:10:10: fatal error: nbl_resource.h: No such file or directory drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.h:10:10: fatal error: nbl_resource.h: No such file or directory loongson3-acpi-cpufreq.c:(.text+0x2a20): undefined reference to `acpi_processor_register_performance' loongson3-acpi-cpufreq.c:(.text+0x6f8): undefined reference to `acpi_processor_unregister_performance' Error/Warning ids grouped by kconfigs: recent_errors |-- loongarch-allmodconfig | |-- loongson3-acpi-cpufreq.c:(.text):undefined-reference-to-acpi_processor_register_performance | `-- loongson3-acpi-cpufreq.c:(.text):undefined-reference-to-acpi_processor_unregister_performance |-- loongarch-allnoconfig | |-- arch-loongarch-kernel-efi.c:error:incompatible-types-when-assigning-to-type-pmd_t-from-type-int | `-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) |-- x86_64-allnoconfig | `-- Warning:drivers-net-ethernet-nebula-matrix-Kconfig-references-a-file-that-doesn-t-exist:file:Documentation-networking-device_drivers-ethernet-nebula-matrix-m18110.rst |-- x86_64-rhel-8.3 | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_export:No-such-file-or-directory | |-- cc1:warning:drivers-net-ethernet-nebula-matrix-nbl-nbl_include:No-such-file-or-directory | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_core.h:fatal-error:nbl_product_base.h:No-such-file-or-directory | |-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_queue_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory | `-- drivers-net-ethernet-nebula-matrix-nbl-nbl_hw-nbl_hw_leonis-nbl_resource_leonis.h:fatal-error:nbl_resource.h:No-such-file-or-directory |-- x86_64-rhel-8.3-func | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst `-- x86_64-rhel-8.3-kselftests |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst elapsed time: 1505m configs tested: 5 configs skipped: 50 tested configs: arm64 allnoconfig gcc-14.1.0 loongarch allnoconfig gcc-14.1.0 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 rhel-8.3 gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS] BUILD REGRESSION b4c65e942a62c9847e1260c9b137bcf4ce0e10d6
by kernel test robot 19 Oct '24

19 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: b4c65e942a62c9847e1260c9b137bcf4ce0e10d6 !12220 Fix CVE-2024-46826 Error/Warning (recently discovered and may have been fixed): kernel/sched/core.c:5845:9: error: implicit declaration of function 'tg_update_affinity_domains' [-Werror=implicit-function-declaration] Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | `-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains |-- x86_64-allyesconfig | `-- drivers-net-ethernet-stmicro-stmmac-dwmac-phytium.c:error:incompatible-pointer-to-integer-conversion-returning-void-from-a-function-with-result-type-int `-- x86_64-kexec `-- mm-memory.c:error:implicit-declaration-of-function-hugetlb_insert_hugepage_pte_by_pa-Werror-Wimplicit-function-declaration elapsed time: 1465m configs tested: 7 configs skipped: 40 tested configs: arm64 allnoconfig gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 rhel-8.3 gcc-12 x86_64 rhel-8.3-func gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6] drm/amdgpu: fix mc_data out-of-bounds read warning
by He Yujie 19 Oct '24

19 Oct '24

From: Tim Huang <Tim.Huang(a)amd.com> stable inclusion from stable-v6.6.50 commit d0a43bf367ed640e527e8ef3d53aac1e71f80114 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IARV9S CVE: CVE-2024-46722 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 51dfc0a4d609fe700750a62f41447f01b8c9ea50 ] Clear warning that read mc_data[i-1] may out-of-bounds. Signed-off-by: Tim Huang <Tim.Huang(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: He Yujie <coka.heyujie(a)huawei.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index dce9e7d5e4ec..a14a54a734c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1476,6 +1476,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } -- 2.34.1

2 1

[PATCH OLK-5.10] drm/amdgpu: fix mc_data out-of-bounds read warning
by He Yujie 19 Oct '24

19 Oct '24

From: Tim Huang <Tim.Huang(a)amd.com> stable inclusion from stable-v5.10.226 commit 310b9d8363b88e818afec97ca7652bd7fe3d0650 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IARV9S CVE: CVE-2024-46722 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 51dfc0a4d609fe700750a62f41447f01b8c9ea50 ] Clear warning that read mc_data[i-1] may out-of-bounds. Signed-off-by: Tim Huang <Tim.Huang(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: He Yujie <coka.heyujie(a)huawei.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 469352e2d6ec..436d436b2ea2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1626,6 +1626,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } -- 2.34.1

2 1

[PATCH openEuler-22.03-LTS-SP1] drm/amdgpu: fix mc_data out-of-bounds read warning
by He Yujie 19 Oct '24

19 Oct '24

From: Tim Huang <Tim.Huang(a)amd.com> stable inclusion from stable-v5.10.226 commit 310b9d8363b88e818afec97ca7652bd7fe3d0650 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IARV9S CVE: CVE-2024-46722 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 51dfc0a4d609fe700750a62f41447f01b8c9ea50 ] Clear warning that read mc_data[i-1] may out-of-bounds. Signed-off-by: Tim Huang <Tim.Huang(a)amd.com> Reviewed-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: He Yujie <coka.heyujie(a)huawei.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 469352e2d6ec..436d436b2ea2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1626,6 +1626,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev, (u32)le32_to_cpu(*((u32 *)reg_data + j)); j++; } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) { + if (i == 0) + continue; reg_table->mc_reg_table_entry[num_ranges].mc_data[i] = reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1]; } -- 2.34.1

2 1

[PATCH openEuler-1.0-LTS] pinctrl: core: fix possible memory leak when pinctrl_enable() fails
by Zhang Zekun 19 Oct '24

19 Oct '24

From: Yang Yingliang <yangyingliang(a)huawei.com> stable inclusion from stable-v4.19.320 commit 636f8fe03a14b0994a3dbdc05c8fa8c8296c1357 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAY9KE CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… ------------------------------------------------------------------- [ Upstream commit ae1cf4759972c5fe665ee4c5e0c29de66fe3cf4a ] In devm_pinctrl_register(), if pinctrl_enable() fails in pinctrl_register(), the "pctldev" has not been added to dev resources, so devm_pinctrl_dev_release() can not be called, it leads memory leak. Introduce pinctrl_uninit_controller(), call it in the error path to free memory. Fixes: 5038a66dad01 ("pinctrl: core: delete incorrect free in pinctrl_enable()") Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> Reviewed-by: Dan Carpenter <dan.carpenter(a)linaro.org> Link: https://lore.kernel.org/r/20240606023704.3931561-2-yangyingliang@huawei.com Signed-off-by: Linus Walleij <linus.walleij(a)linaro.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zhang Zekun <zhangzekun11(a)huawei.com> --- drivers/pinctrl/core.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index f8952d01fc2c..bcd4d29a7e98 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1992,6 +1992,14 @@ pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev, return ERR_PTR(ret); } +static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc) +{ + pinctrl_free_pindescs(pctldev, pctldesc->pins, + pctldesc->npins); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); +} + static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); @@ -2073,8 +2081,10 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, return pctldev; error = pinctrl_enable(pctldev); - if (error) + if (error) { + pinctrl_uninit_controller(pctldev, pctldesc); return ERR_PTR(error); + } return pctldev; -- 2.17.1

2 1

[openeuler:OLK-6.6 1624/14651] loongson3-acpi-cpufreq.c:undefined reference to `acpi_processor_unregister_performance'
by kernel test robot 19 Oct '24

19 Oct '24

Hi liuyun, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1 commit: 47a0b6f372d7f05822d021f86b21a34fd2142225 [1624/14651] cpufreq: Add cpufreq driver for LoongArch config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241019/202410191113.e2y65UAz-lkp@…) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410191113.e2y65UAz-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410191113.e2y65UAz-lkp@intel.com/ All errors (new ones prefixed by >>): loongarch64-linux-ld: drivers/cpufreq/loongson3-acpi-cpufreq.o: in function `loongson3_cpufreq_cpu_exit': >> loongson3-acpi-cpufreq.c:(.text+0x6f8): undefined reference to `acpi_processor_unregister_performance' loongarch64-linux-ld: drivers/cpufreq/loongson3-acpi-cpufreq.o: in function `.L333': >> loongson3-acpi-cpufreq.c:(.text+0x2a20): undefined reference to `acpi_processor_register_performance' loongarch64-linux-ld: drivers/cpufreq/loongson3-acpi-cpufreq.o: in function `.L372': loongson3-acpi-cpufreq.c:(.text+0x3390): undefined reference to `acpi_processor_unregister_performance' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 14224/14651] drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: nbl_product_base.h: No such file or directory
by kernel test robot 19 Oct '24

19 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1 commit: bad535d287c9c1056d99de3666be7da84de4a8fc [14224/14651] Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241019/202410190816.EUZ9uPVH-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190816.EUZ9uPVH-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410190816.EUZ9uPVH-lkp@intel.com/ All error/warnings (new ones prefixed by >>): >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.h:10, from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.c:7: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10:10: fatal error: nbl_product_base.h: No such file or directory 10 | #include "nbl_product_base.h" | ^~~~~~~~~~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.c:7: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_queue_leonis.h:10:10: fatal error: nbl_resource.h: No such file or directory 10 | #include "nbl_resource.h" | ^~~~~~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.c:7: >> drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_resource_leonis.h:10:10: fatal error: nbl_resource.h: No such file or directory 10 | #include "nbl_resource.h" | ^~~~~~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_common.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_event.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_common/nbl_event.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_channel/nbl_channel.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_channel/nbl_channel.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_phy_leonis.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_hw_leonis/nbl_flow_leonis.h:9:10: fatal error: nbl_core.h: No such file or directory 9 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_resource.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_hw/nbl_resource.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dispatch.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dispatch.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. -- >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_include: No such file or directory [-Wmissing-include-dirs] >> cc1: warning: drivers/net/ethernet/nebula-matrix/nbl/nbl_export: No such file or directory [-Wmissing-include-dirs] In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_debugfs.c:7: drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_debugfs.h:10:10: fatal error: nbl_core.h: No such file or directory 10 | #include "nbl_core.h" | ^~~~~~~~~~~~ compilation terminated. .. vim +10 drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h 9 > 10 #include "nbl_product_base.h" 11 #include "nbl_def_common.h" 12 #include "nbl_def_phy.h" 13 #include "nbl_def_resource.h" 14 #include "nbl_def_dispatch.h" 15 #include "nbl_def_service.h" 16 #include "nbl_def_dev.h" 17 #include "nbl_def_channel.h" 18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10] BUILD REGRESSION 710d9571bc93ca14f3ea678dbddbe3c926dd930e
by kernel test robot 19 Oct '24

19 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: 710d9571bc93ca14f3ea678dbddbe3c926dd930e !12244 v2 net/mlx5e: Fix netif state handling Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | |-- arch-arm64-kernel-ipi_nmi.c:error:implicit-declaration-of-function-printk_safe_exit | |-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_enter | `-- kernel-workqueue.c:error:implicit-declaration-of-function-printk_safe_exit |-- x86_64-allyesconfig | |-- drivers-net-ipvlan-ipvlan_main.c:warning:variable-old_prog-set-but-not-used | |-- kernel-sched-core.c:warning:no-previous-prototype-for-function-sched_setsteal | |-- kernel-sched-core.c:warning:no-previous-prototype-for-function-tg_change_steal | |-- ld.lld:error:duplicate-symbol:g_uld_mutex | |-- ld.lld:error:duplicate-symbol:lld_dev_hold | |-- ld.lld:error:duplicate-symbol:lld_dev_put | `-- ld.lld:error:duplicate-symbol:nic_ioctl `-- x86_64-kexec `-- arch-x86-kvm-vmx-vmx.o:warning:objtool:fix_rmode_seg:unreachable-instruction elapsed time: 1499m configs tested: 6 configs skipped: 40 tested configs: arm64 allnoconfig gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 rhel-8.3 gcc-12 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 14224/14651] htmldocs: Warning: drivers/net/ethernet/nebula-matrix/Kconfig references a file that doesn't exist: file:Documentation/networking/device_drivers/ethernet/nebula-matrix/m18110.rst
by kernel test robot 19 Oct '24

19 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 980f4346f1fdbd303ad74af8b2a62fbbbb6cf6c1 commit: bad535d287c9c1056d99de3666be7da84de4a8fc [14224/14651] Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. reproduce: (https://download.01.org/0day-ci/archive/20241019/202410190046.BHffJ6Tf-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410190046.BHffJ6Tf-lkp@intel.com/ All warnings (new ones prefixed by >>): Warning: Documentation/devicetree/bindings/regulator/siliconmitus,sm5703-regulator.yaml references a file that doesn't exist: Documentation/devicetree/bindings/mfd/siliconmitus,sm5703.yaml Warning: Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml references a file that doesn't exist: Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.yaml Warning: Documentation/trace/coresight/coresight.rst references a file that doesn't exist: Documentation/devicetree/bindings/arm/arm,coresight- Warning: Documentation/usb/gadget_uvc.rst references a file that doesn't exist: Documentation/userspace-api/media/v4l/pixfmt-packed.yuv.rst Warning: crypto/asymmetric_keys/pgp_preload.c references a file that doesn't exist: Documentation/security/keys-crypto.txt >> Warning: drivers/net/ethernet/nebula-matrix/Kconfig references a file that doesn't exist: file:Documentation/networking/device_drivers/ethernet/nebula-matrix/m18110.rst Warning: drivers/net/ethernet/yunsilicon/xsc/common/xsc_ioctl.h references a file that doesn't exist: Documentation/ioctl/ioctl-number.txt Warning: kernel/Kconfig.kexec references a file that doesn't exist: file:Documentation/s390/zfcpdump.rst Warning: mm/hugetlb_vmemmap.h references a file that doesn't exist: Documentation/vm/vmemmap_dedup.rst Using alabaster theme -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

openEuler Kernel SIG双周例会
by openEuler conference 18 Oct '24

18 Oct '24

您好！ Kernel 邀请您参加 2024-10-25 14:00 召开的WeLink会议(自动录制) 会议主题：openEuler Kernel SIG双周例会会议内容： 1. 进展update 2. 议题征集（可回复此邮件申报，或者直接填报至会议纪要看板）会议链接：https://meeting.huaweicloud.com:36443/#/j/988613603 会议纪要：https://etherpad.openeuler.org/p/Kernel-meetings 更多资讯尽在：https://www.openeuler.org/zh/ Hello! Kernel invites you to attend the WeLink conference(auto recording) will be held at 2024-10-25 14:00, The subject of the conference is openEuler Kernel SIG双周例会, Summary: 1. 进展update 2. 议题征集（可回复此邮件申报，或者直接填报至会议纪要看板） You can join the meeting at https://meeting.huaweicloud.com:36443/#/j/988613603. Add topics at https://etherpad.openeuler.org/p/Kernel-meetings. More information: https://www.openeuler.org/en/

2 1

[PATCH openEuler-1.0-LTS] selinux: fix potential counting error in avc_add_xperms_decision()
by Gu Bowen 18 Oct '24

18 Oct '24

From: Zhen Lei <thunder.leizhen(a)huawei.com> stable inclusion from stable-v4.19.321 commit 5d93f05ed258c92a8925b74bc36101af36c22732 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAY2ZF Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 379d9af3f3da2da1bbfa67baf1820c72a080d1f1 upstream. The count increases only when a node is successfully added to the linked list. Cc: stable(a)vger.kernel.org Fixes: fa1aa143ac4a ("selinux: extended permissions for ioctls") Signed-off-by: Zhen Lei <thunder.leizhen(a)huawei.com> Acked-by: Stephen Smalley <stephen.smalley.work(a)gmail.com> Signed-off-by: Paul Moore <paul(a)paul-moore.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Gu Bowen <gubowen5(a)huawei.com> --- security/selinux/avc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 6a8f9cfaa6f9..726f944bd798 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -400,12 +400,12 @@ static int avc_add_xperms_decision(struct avc_node *node, { struct avc_xperms_decision_node *dest_xpd; - node->ae.xp_node->xp.len++; dest_xpd = avc_xperms_decision_alloc(src->used); if (!dest_xpd) return -ENOMEM; avc_copy_xperms_decision(&dest_xpd->xpd, src); list_add(&dest_xpd->xpd_list, &node->ae.xp_node->xpd_head); + node->ae.xp_node->xp.len++; return 0; } -- 2.25.1

2 1

[PATCH openEuler-22.03-LTS-SP1] drm/amd/display: Avoid overflow from uint32_t to uint8_t
by Li Huafei 18 Oct '24

18 Oct '24

From: Alex Hung <alex.hung(a)amd.com> mainline inclusion from mainline-v6.11-rc1 commit d6b54900c564e35989cf6813e4071504fa0a90e0 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAVU7X CVE: CVE-2024-47661 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity. Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira(a)amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed(a)amd.com> Signed-off-by: Alex Hung <alex.hung(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Conflicts: drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c [ Not backport e53524cdcc02d(“drm/amd/display: Refactor HWSS into component folder”), conflict due to file renaming. ] Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c index c766666a3160..9d18562a218f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c @@ -141,7 +141,7 @@ static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t optio { union dmub_rb_cmd cmd; struct dc_context *dc = abm->ctx; - uint32_t ramping_boundary = 0xFFFF; + uint8_t ramping_boundary = 0xFF; cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE; -- 2.25.1

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[PATCH OLK-5.10] drm/amd/display: Avoid overflow from uint32_t to uint8_t
by Li Huafei 18 Oct '24

18 Oct '24

From: Alex Hung <alex.hung(a)amd.com> mainline inclusion from mainline-v6.11-rc1 commit d6b54900c564e35989cf6813e4071504fa0a90e0 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAVU7X CVE: CVE-2024-47661 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity. Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira(a)amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed(a)amd.com> Signed-off-by: Alex Hung <alex.hung(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Conflicts: drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c [ Not backport e53524cdcc02d(“drm/amd/display: Refactor HWSS into component folder”), conflict due to file renaming. ] Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c index c766666a3160..9d18562a218f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c @@ -141,7 +141,7 @@ static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t optio { union dmub_rb_cmd cmd; struct dc_context *dc = abm->ctx; - uint32_t ramping_boundary = 0xFFFF; + uint8_t ramping_boundary = 0xFF; cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE; -- 2.25.1

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[PATCH OLK-6.6] drm/amd/display: Avoid overflow from uint32_t to uint8_t
by Li Huafei 18 Oct '24

18 Oct '24

From: Alex Hung <alex.hung(a)amd.com> mainline inclusion from mainline-v6.11-rc1 commit d6b54900c564e35989cf6813e4071504fa0a90e0 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAVU7X CVE: CVE-2024-47661 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity. Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira(a)amd.com> Acked-by: Zaeem Mohamed <zaeem.mohamed(a)amd.com> Signed-off-by: Alex Hung <alex.hung(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> Conflicts: drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c drivers/gpu/drm/amd/display/dc/hwss/dcn21/dcn21_hwseq.c [ Not backport e53524cdcc02d(“drm/amd/display: Refactor HWSS into component folder”), conflict due to file renaming. ] Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c | 2 +- drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c index 42c802afc468..f5d1070e2b59 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c @@ -262,7 +262,7 @@ bool dmub_abm_set_pipe(struct abm *abm, { union dmub_rb_cmd cmd; struct dc_context *dc = abm->ctx; - uint32_t ramping_boundary = 0xFFFF; + uint8_t ramping_boundary = 0xFF; memset(&cmd, 0, sizeof(cmd)); cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c index 1b08749b084b..840dfd237247 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c @@ -142,7 +142,7 @@ static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, { union dmub_rb_cmd cmd; struct dc_context *dc = abm->ctx; - uint32_t ramping_boundary = 0xFFFF; + uint8_t ramping_boundary = 0xFF; memset(&cmd, 0, sizeof(cmd)); cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; -- 2.25.1

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[PATCH OLK-5.10] media: go7007: fix a memleak in go7007_load_encoder
by Guo Mengqi 17 Oct '24

17 Oct '24

From: Zhipeng Lu <alexious(a)zju.edu.cn> stable inclusion from stable-v5.10.214 commit b49fe84c6cefcc1c2336d793b53442e716c95073 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9L9IB CVE: CVE-2024-27074 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit b9b683844b01d171a72b9c0419a2d760d946ee12 ] In go7007_load_encoder, bounce(i.e. go->boot_fw), is allocated without a deallocation thereafter. After the following call chain: saa7134_go7007_init |-> go7007_boot_encoder |-> go7007_load_encoder |-> kfree(go) go is freed and thus bounce is leaked. Fixes: 95ef39403f89 ("[media] go7007: remember boot firmware") Signed-off-by: Zhipeng Lu <alexious(a)zju.edu.cn> Signed-off-by: Hans Verkuil <hverkuil-cisco(a)xs4all.nl> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Guo Mengqi <guomengqi3(a)huawei.com> --- drivers/media/usb/go7007/go7007-driver.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c index 6650eab913d8..3c66542ce284 100644 --- a/drivers/media/usb/go7007/go7007-driver.c +++ b/drivers/media/usb/go7007/go7007-driver.c @@ -80,7 +80,7 @@ static int go7007_load_encoder(struct go7007 *go) const struct firmware *fw_entry; char fw_name[] = "go7007/go7007fw.bin"; void *bounce; - int fw_len, rv = 0; + int fw_len; u16 intr_val, intr_data; if (go->boot_fw == NULL) { @@ -109,9 +109,11 @@ static int go7007_load_encoder(struct go7007 *go) go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || (intr_val & ~0x1) != 0x5a5a) { v4l2_err(go, "error transferring firmware\n"); - rv = -1; + kfree(go->boot_fw); + go->boot_fw = NULL; + return -1; } - return rv; + return 0; } MODULE_FIRMWARE("go7007/go7007fw.bin"); -- 2.17.1

2 1

[PATCH OLK-5.10] drm/lima: fix a memleak in lima_heap_alloc
by Guo Mengqi 17 Oct '24

17 Oct '24

From: Zhipeng Lu <alexious(a)zju.edu.cn> stable inclusion from stable-v5.10.214 commit f2e80ac9344aebbff576453d5c0290b332e187ed category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9Q978 CVE: CVE-2024-35829 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 04ae3eb470e52a3c41babe85ff8cee195e4dcbea ] When lima_vm_map_bo fails, the resources need to be deallocated, or there will be memleaks. Fixes: 6aebc51d7aef ("drm/lima: support heap buffer creation") Signed-off-by: Zhipeng Lu <alexious(a)zju.edu.cn> Signed-off-by: Qiang Yu <yuq825(a)gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240117071328.3811480-1-alex… Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Guo Mengqi <guomengqi3(a)huawei.com> --- drivers/gpu/drm/lima/lima_gem.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 11223fe348df..894175f2ed49 100644 --- a/drivers/gpu/drm/lima/lima_gem.c +++ b/drivers/gpu/drm/lima/lima_gem.c @@ -74,29 +74,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm) } else { bo->base.sgt = kmalloc(sizeof(*bo->base.sgt), GFP_KERNEL); if (!bo->base.sgt) { - sg_free_table(&sgt); - return -ENOMEM; + ret = -ENOMEM; + goto err_out0; } } ret = dma_map_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0); - if (ret) { - sg_free_table(&sgt); - kfree(bo->base.sgt); - bo->base.sgt = NULL; - return ret; - } + if (ret) + goto err_out1; *bo->base.sgt = sgt; if (vm) { ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT); if (ret) - return ret; + goto err_out2; } bo->heap_size = new_size; return 0; + +err_out2: + dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0); +err_out1: + kfree(bo->base.sgt); + bo->base.sgt = NULL; +err_out0: + sg_free_table(&sgt); + return ret; } int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file, -- 2.17.1

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[PATCH openEuler-22.03-LTS-SP1] drm/lima: fix a memleak in lima_heap_alloc
by Guo Mengqi 17 Oct '24

17 Oct '24

From: Zhipeng Lu <alexious(a)zju.edu.cn> stable inclusion from stable-v5.10.214 commit f2e80ac9344aebbff576453d5c0290b332e187ed category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9Q978 CVE: CVE-2024-35829 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 04ae3eb470e52a3c41babe85ff8cee195e4dcbea ] When lima_vm_map_bo fails, the resources need to be deallocated, or there will be memleaks. Fixes: 6aebc51d7aef ("drm/lima: support heap buffer creation") Signed-off-by: Zhipeng Lu <alexious(a)zju.edu.cn> Signed-off-by: Qiang Yu <yuq825(a)gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240117071328.3811480-1-alex… Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Guo Mengqi <guomengqi3(a)huawei.com> --- drivers/gpu/drm/lima/lima_gem.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 11223fe348df..894175f2ed49 100644 --- a/drivers/gpu/drm/lima/lima_gem.c +++ b/drivers/gpu/drm/lima/lima_gem.c @@ -74,29 +74,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm) } else { bo->base.sgt = kmalloc(sizeof(*bo->base.sgt), GFP_KERNEL); if (!bo->base.sgt) { - sg_free_table(&sgt); - return -ENOMEM; + ret = -ENOMEM; + goto err_out0; } } ret = dma_map_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0); - if (ret) { - sg_free_table(&sgt); - kfree(bo->base.sgt); - bo->base.sgt = NULL; - return ret; - } + if (ret) + goto err_out1; *bo->base.sgt = sgt; if (vm) { ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT); if (ret) - return ret; + goto err_out2; } bo->heap_size = new_size; return 0; + +err_out2: + dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0); +err_out1: + kfree(bo->base.sgt); + bo->base.sgt = NULL; +err_out0: + sg_free_table(&sgt); + return ret; } int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file, -- 2.17.1

2 1

[PATCH openEuler-22.03-LTS-SP1] octeontx2-af: Use separate handlers for interrupts
by Guo Mengqi 17 Oct '24

17 Oct '24

From: Subbaraya Sundeep <sbhatta(a)marvell.com> stable inclusion from stable-v5.10.214 commit 766c2627acb2d9d1722cce2e24837044d52d888a category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9L9N9 CVE: CVE-2024-27030 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 50e60de381c342008c0956fd762e1c26408f372c ] For PF to AF interrupt vector and VF to AF vector same interrupt handler is registered which is causing race condition. When two interrupts are raised to two CPUs at same time then two cores serve same event corrupting the data. Fixes: 7304ac4567bc ("octeontx2-af: Add mailbox IRQ and msg handlers") Signed-off-by: Subbaraya Sundeep <sbhatta(a)marvell.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Guo Mengqi <guomengqi3(a)huawei.com> --- drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index c26652436c53..5465a80e8973 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -1885,10 +1885,9 @@ static void rvu_queue_work(struct mbox_wq_info *mw, int first, } } -static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq) +static irqreturn_t rvu_mbox_pf_intr_handler(int irq, void *rvu_irq) { struct rvu *rvu = (struct rvu *)rvu_irq; - int vfs = rvu->vfs; u64 intr; intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT); @@ -1902,6 +1901,18 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq) rvu_queue_work(&rvu->afpf_wq_info, 0, rvu->hw->total_pfs, intr); + return IRQ_HANDLED; +} + +static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq) +{ + struct rvu *rvu = (struct rvu *)rvu_irq; + int vfs = rvu->vfs; + u64 intr; + + /* Sync with mbox memory region */ + rmb(); + /* Handle VF interrupts */ if (vfs > 64) { intr = rvupf_read64(rvu, RVU_PF_VFPF_MBOX_INTX(1)); @@ -2216,7 +2227,7 @@ static int rvu_register_interrupts(struct rvu *rvu) /* Register mailbox interrupt handler */ sprintf(&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], "RVUAF Mbox"); ret = request_irq(pci_irq_vector(rvu->pdev, RVU_AF_INT_VEC_MBOX), - rvu_mbox_intr_handler, 0, + rvu_mbox_pf_intr_handler, 0, &rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], rvu); if (ret) { dev_err(rvu->dev, -- 2.17.1

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[PATCH openEuler-22.03-LTS-SP1] media: go7007: fix a memleak in go7007_load_encoder
by Guo Mengqi 17 Oct '24

17 Oct '24

From: Zhipeng Lu <alexious(a)zju.edu.cn> stable inclusion from stable-v5.10.214 commit b49fe84c6cefcc1c2336d793b53442e716c95073 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9L9IB CVE: CVE-2024-27074 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit b9b683844b01d171a72b9c0419a2d760d946ee12 ] In go7007_load_encoder, bounce(i.e. go->boot_fw), is allocated without a deallocation thereafter. After the following call chain: saa7134_go7007_init |-> go7007_boot_encoder |-> go7007_load_encoder |-> kfree(go) go is freed and thus bounce is leaked. Fixes: 95ef39403f89 ("[media] go7007: remember boot firmware") Signed-off-by: Zhipeng Lu <alexious(a)zju.edu.cn> Signed-off-by: Hans Verkuil <hverkuil-cisco(a)xs4all.nl> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Wang Hai <wanghai38(a)huawei.com> Signed-off-by: Guo Mengqi <guomengqi3(a)huawei.com> --- drivers/media/usb/go7007/go7007-driver.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c index 6650eab913d8..3c66542ce284 100644 --- a/drivers/media/usb/go7007/go7007-driver.c +++ b/drivers/media/usb/go7007/go7007-driver.c @@ -80,7 +80,7 @@ static int go7007_load_encoder(struct go7007 *go) const struct firmware *fw_entry; char fw_name[] = "go7007/go7007fw.bin"; void *bounce; - int fw_len, rv = 0; + int fw_len; u16 intr_val, intr_data; if (go->boot_fw == NULL) { @@ -109,9 +109,11 @@ static int go7007_load_encoder(struct go7007 *go) go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || (intr_val & ~0x1) != 0x5a5a) { v4l2_err(go, "error transferring firmware\n"); - rv = -1; + kfree(go->boot_fw); + go->boot_fw = NULL; + return -1; } - return rv; + return 0; } MODULE_FIRMWARE("go7007/go7007fw.bin"); -- 2.17.1

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