- Kernel - mailweb.openeuler.org

[PATCH OLK-6.6 00/21] ACPI/arm64: add support for virtual cpu hotplug
by liwei 01 Feb '24

01 Feb '24

This is this remaining patches for ARM64 virtual cpu hotplug, which follows on from the previous set of 21 patches that GregKH has recently queued up, and "x86: intel_epb: Don't rely on link order" which can be found at: https://lore.kernel.org/r/ZVyz/Ve5pPu8AWoA@shell.armlinux.org.uk James Morse (19): ACPI: Only enumerate enabled (or functional) devices ACPI: processor: Add support for processors described as container packages ACPI: processor: Register CPUs that are online, but not described in the DSDT ACPI: processor: Register all CPUs from acpi_processor_get_info() ACPI: Rename ACPI_HOTPLUG_CPU to include 'present' ACPI: Move acpi_bus_trim_one() before acpi_scan_hot_remove() ACPI: Rename acpi_processor_hotadd_init and remove pre-processor guards ACPI: Add post_eject to struct acpi_scan_handler for cpu hotplug ACPI: Check _STA present bit before making CPUs not present ACPI: Warn when the present bit changes but the feature is not enabled arm64: acpi: Move get_cpu_for_acpi_id() to a header ACPICA: Add new MADT GICC flags fields irqchip/gic-v3: Don't return errors from gic_acpi_match_gicc() irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs ACPI: add support to register CPUs based on the _STA enabled bit ACPI: processor: Only call arch_unregister_cpu() if HOTPLUG_CPU is selected arm64: document virtual CPU hotplug's expectations ACPI: Add _OSC bits to advertise OS support for toggling CPU present/enabled cpumask: Add enabled cpumask for present CPUs that can be brought online Jean-Philippe Brucker (1): arm64: psci: Ignore DENIED CPUs Russell King (Oracle) (1): ACPI: convert acpi_processor_post_eject() to use IS_ENABLED() Documentation/arch/arm64/cpu-hotplug.rst | 79 ++++++++++++ Documentation/arch/arm64/index.rst | 1 + arch/arm64/include/asm/acpi.h | 11 ++ arch/arm64/kernel/acpi_numa.c | 11 -- arch/arm64/kernel/psci.c | 2 +- arch/arm64/kernel/smp.c | 3 +- arch/loongarch/Kconfig | 2 +- arch/loongarch/configs/loongson3_defconfig | 2 +- arch/loongarch/kernel/acpi.c | 4 +- arch/x86/Kconfig | 3 +- arch/x86/kernel/acpi/boot.c | 4 +- drivers/acpi/Kconfig | 13 +- drivers/acpi/acpi_processor.c | 141 +++++++++++++++++++-- drivers/acpi/bus.c | 16 +++ drivers/acpi/device_pm.c | 2 +- drivers/acpi/device_sysfs.c | 2 +- drivers/acpi/internal.h | 1 - drivers/acpi/property.c | 2 +- drivers/acpi/scan.c | 140 +++++++++++++------- drivers/base/cpu.c | 16 ++- drivers/irqchip/irq-gic-v3.c | 32 +++-- include/acpi/acpi_bus.h | 1 + include/acpi/actbl2.h | 1 + include/linux/acpi.h | 10 +- include/linux/cpumask.h | 25 ++++ kernel/cpu.c | 3 + 26 files changed, 421 insertions(+), 106 deletions(-) create mode 100644 Documentation/arch/arm64/cpu-hotplug.rst -- 2.25.1

2 22

[openeuler:OLK-6.6 2855/2894] make[5]: *** No rule to make target 'arch/x86/crypto/sm4-zhaoxin-gmi.o', needed by 'arch/x86/crypto/'.
by kernel test robot 01 Feb '24

01 Feb '24

Hi leoliu-oc, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: f6f9abf1a5ef2fc559630c77b3570346dcd19d40 commit: 3b77535a6245966041634eaabc6fe013f20688d8 [2855/2894] Add support for Zhaoxin GMI SM4 Block Cipher algorithm config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20240201/202402010940.ilu0RnZ1-lkp@…) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240201/202402010940.ilu0RnZ1-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/202402010940.ilu0RnZ1-lkp@intel.com/ All errors (new ones prefixed by >>): make[5]: *** No rule to make target 'arch/x86/crypto/sm3-zhaoxin-gmi.o', needed by 'arch/x86/crypto/'. >> make[5]: *** No rule to make target 'arch/x86/crypto/sm4-zhaoxin-gmi.o', needed by 'arch/x86/crypto/'. make[5]: Target 'arch/x86/crypto/' not remade because of errors. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6 v2] sched: remove __GENKSYMS__ used
by Yipeng Zou 01 Feb '24

01 Feb '24

hulk inclusion Category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZTTF CVE: NA -------------------------------- Don't use GENKSYMS in baseline kabi version: Fixes: 6eb07f9925a9 ("sched: Introduce smart grid scheduling strategy for cfs") Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- include/linux/sched.h | 2 +- kernel/sched/sched.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 4f18d4505618..e08f02706615 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1560,7 +1560,7 @@ struct task_struct { int memstall_type; #endif -#if defined(CONFIG_QOS_SCHED_SMART_GRID) && !defined(__GENKSYMS__) +#if defined(CONFIG_QOS_SCHED_SMART_GRID) struct sched_grid_qos *grid_qos; #endif diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index bd5d45ba0de8..f721166b400a 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -453,7 +453,7 @@ struct task_group { long tag; #endif -#if defined(CONFIG_QOS_SCHED_SMART_GRID) && !defined(__GENKSYMS__) +#if defined(CONFIG_QOS_SCHED_SMART_GRID) struct auto_affinity *auto_affinity; #endif -- 2.34.1

2 1

[PATCH OLK-6.6 v2 0/9] kabi reserve
by Yu Liao 01 Feb '24

01 Feb '24

Yu Liao (9): kabi: reserve space for kobject related structures kabi: reserve space for hrtimer related structures kabi: reserve space for posix clock related structure kabi: reserve space for workqueue subsystem related structure kabi: reserve space for struct ptp_clock_info kabi: reserve space for struct timer_list kabi: reserve space for struct worker kabi: reserve space for struct clocksource kabi: reserve space for struct vdso_image arch/x86/include/asm/vdso.h | 6 ++++++ include/linux/clocksource.h | 6 ++++++ include/linux/hrtimer.h | 10 ++++++++++ include/linux/kobject.h | 16 ++++++++++++++++ include/linux/posix-clock.h | 11 +++++++++++ include/linux/ptp_clock_kernel.h | 6 ++++++ include/linux/timer.h | 4 ++++ include/linux/workqueue.h | 11 +++++++++++ kernel/workqueue_internal.h | 6 ++++++ 9 files changed, 76 insertions(+) -- 2.33.0

2 10

[PATCH OLK-6.6] vfs: reserve kabi space for vfs related structures
by Zhihao Cheng 01 Feb '24

01 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I900QB CVE: NA -------------------------------- struture size reserves address_space_operations 160 4 address_space 200 7 inode 624 2 file_lock_operations 16 2 lock_manager_operations 24 1 super_block 1392 2 Signed-off-by: Zhihao Cheng <chengzhihao1(a)huawei.com> --- include/linux/filelock.h | 5 +++++ include/linux/fs.h | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/include/linux/filelock.h b/include/linux/filelock.h index 95e868e09e29..92795ed425d9 100644 --- a/include/linux/filelock.h +++ b/include/linux/filelock.h @@ -31,6 +31,9 @@ struct file_lock; struct file_lock_operations { void (*fl_copy_lock)(struct file_lock *, struct file_lock *); void (*fl_release_private)(struct file_lock *); + + KABI_RESERVE(1) + KABI_RESERVE(2) }; struct lock_manager_operations { @@ -45,6 +48,8 @@ struct lock_manager_operations { bool (*lm_breaker_owns_lease)(struct file_lock *); bool (*lm_lock_expirable)(struct file_lock *cfl); void (*lm_expire_lock)(void); + + KABI_RESERVE(1) }; struct lock_manager { diff --git a/include/linux/fs.h b/include/linux/fs.h index cc34619424cf..daf7221fbdc3 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -451,6 +451,11 @@ struct address_space_operations { sector_t *span); void (*swap_deactivate)(struct file *file); int (*swap_rw)(struct kiocb *iocb, struct iov_iter *iter); + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) }; extern const struct address_space_operations empty_aops; @@ -497,6 +502,14 @@ struct address_space { spinlock_t private_lock; struct list_head private_list; void *private_data; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) + KABI_RESERVE(6) + KABI_RESERVE(7) } __attribute__((aligned(sizeof(long)))) __randomize_layout; /* * On most architectures that alignment is already the case; but @@ -756,6 +769,9 @@ struct inode { #endif void *i_private; /* fs or device private pointer */ + + KABI_RESERVE(1) + KABI_RESERVE(2) } __randomize_layout; struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode); @@ -1328,6 +1344,9 @@ struct super_block { spinlock_t s_inode_wblist_lock; struct list_head s_inodes_wb; /* writeback inodes */ + + KABI_RESERVE(1) + KABI_RESERVE(2) } __randomize_layout; static inline struct user_namespace *i_user_ns(const struct inode *inode) -- 2.31.1

2 1

[PATCH OLK-5.10 v2] sched: remove __GENKSYMS__ used
by Yipeng Zou 01 Feb '24

01 Feb '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZTTF CVE: NA -------------------------------- There is no need use __GENKSYMS__. Fixes: 00d37128abe2 ("sched: Introduce smart grid scheduling strategy for cfs") Signed-off-by: Yipeng Zou <zouyipeng(a)huawei.com> --- kernel/sched/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 18c1b3d5a378..1044664bccfa 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -500,7 +500,7 @@ struct task_group { #else KABI_RESERVE(3) #endif -#if defined(CONFIG_QOS_SCHED_SMART_GRID) && !defined(__GENKSYMS__) +#if defined(CONFIG_QOS_SCHED_SMART_GRID) KABI_USE(4, struct auto_affinity *auto_affinity) #else KABI_RESERVE(4) -- 2.34.1

2 1

[PATCH v4 OLK-6.6 00/21] kabi reserve patches
by Lin Yujun 01 Feb '24

01 Feb '24

*** BLURB HERE *** Chen Jiahao (1): KABI: reserve space for struct input_dev Jialin Zhang (1): kabi: reserve space for power management related structure Lin Ruizhe (5): msi: Add kabi_reserve in msi.h interrupt: Add kabi_reserve in interrupt.h irq: Add kabi_reserve in irq irq_desc: Add kabi_reserve in irq_desc irqdomain: Add kabi_reserve in irqdomain Lin Yujun (13): drm: drm_atomic.h: Add kabi_reserve drm: drm_client.h: Add kabi_reserve drm: drm_connector.h: Add kabi_reserve drm: drm_crtc.h: Add kabi_reserve drm: drm_device.h: Add kabi_reserve drm: drm_drv.h: Add kabi_reserve drm: drm_fb_helper.h: Add kabi_reserve drm: drm_file.h: Add kabi_reserve drm: drm_fourcc.h: Add kabi_reserve drm: drm_gem.h: Add kabi_reserve pm: pm_domain.h: Add kabi_reserve pm: pm.h: Add kabi_reserve energy_model: Add kabi_reserve Yang Yingliang (1): kabi: reserve space for struct cpu_stop_work include/drm/drm_atomic.h | 6 ++++++ include/drm/drm_client.h | 7 +++++++ include/drm/drm_connector.h | 18 ++++++++++++++++++ include/drm/drm_crtc.h | 7 +++++++ include/drm/drm_device.h | 4 ++++ include/drm/drm_drv.h | 5 +++++ include/drm/drm_fb_helper.h | 8 ++++++++ include/drm/drm_file.h | 8 ++++++++ include/drm/drm_fourcc.h | 5 +++++ include/drm/drm_gem.h | 8 ++++++++ include/linux/energy_model.h | 5 +++++ include/linux/input.h | 4 ++++ include/linux/interrupt.h | 6 ++++++ include/linux/irq.h | 8 ++++++++ include/linux/irqdesc.h | 4 +++- include/linux/irqdomain.h | 3 +++ include/linux/msi.h | 7 +++++++ include/linux/pm.h | 14 ++++++++++++++ include/linux/pm_domain.h | 10 ++++++++++ include/linux/pm_qos.h | 7 +++++++ include/linux/pm_wakeup.h | 4 ++++ include/linux/stop_machine.h | 3 +++ 22 files changed, 150 insertions(+), 1 deletion(-) -- 2.34.1

2 22

[openeuler:OLK-5.10 29931/30000] kernel/sched/topology.c:1749:2: error: implicit declaration of function 'register_sysctl_init'
by kernel test robot 01 Feb '24

01 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 260c7a5874066269671cc826d6c9ccd70dd001e5 commit: f4128ae8e6ff03b4c805707fe75d0345797f7f53 [29931/30000] sched: Add cluster scheduler level for x86 config: x86_64-buildonly-randconfig-006-20240131 (https://download.01.org/0day-ci/archive/20240201/202402010822.4gexaFuQ-lkp@…) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240201/202402010822.4gexaFuQ-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/202402010822.4gexaFuQ-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/sched/topology.c:5: kernel/sched/sched.h:1838:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1838 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/topology.c:718:6: warning: variable 'numa_distance' set but not used [-Wunused-but-set-variable] 718 | int numa_distance = 0; | ^ >> kernel/sched/topology.c:1749:2: error: implicit declaration of function 'register_sysctl_init' [-Werror,-Wimplicit-function-declaration] 1749 | register_sysctl_init("kernel", sched_cluster_sysctls); | ^ 2 warnings and 1 error generated. vim +/register_sysctl_init +1749 kernel/sched/topology.c 8ce3e706b31409 Tim Chen 2021-12-03 1746 8ce3e706b31409 Tim Chen 2021-12-03 1747 static int __init sched_cluster_sysctl_init(void) 8ce3e706b31409 Tim Chen 2021-12-03 1748 { 8ce3e706b31409 Tim Chen 2021-12-03 @1749 register_sysctl_init("kernel", sched_cluster_sysctls); 8ce3e706b31409 Tim Chen 2021-12-03 1750 return 0; 8ce3e706b31409 Tim Chen 2021-12-03 1751 } 8ce3e706b31409 Tim Chen 2021-12-03 1752 late_initcall(sched_cluster_sysctl_init); 9e68cc2bf535a2 Tim Chen 2021-12-03 1753 :::::: The code at line 1749 was first introduced by commit :::::: 8ce3e706b31409147f035c037055caa68e450ce5 scheduler: Add runtime knob sysctl_sched_cluster :::::: TO: Tim Chen <tim.c.chen(a)linux.intel.com> :::::: CC: Jie Liu <liujie375(a)h-partners.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 28292/30000] arch/x86/kvm/mmu/mmu.c:5812 kvm_mmu_slot_largepage_remove_write_access() error: uninitialized symbol 'flush'.
by kernel test robot 01 Feb '24

01 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 260c7a5874066269671cc826d6c9ccd70dd001e5 commit: 7eb46ab3d33ed664d9d4fe0e3cdf3232a9099e11 [28292/30000] KVM: x86/mmu: Skip rmap operations if rmaps not allocated config: x86_64-randconfig-161-20240129 (https://download.01.org/0day-ci/archive/20240201/202402010712.s76rk6os-lkp@…) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 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/202402010712.s76rk6os-lkp@intel.com/ New smatch warnings: arch/x86/kvm/mmu/mmu.c:5812 kvm_mmu_slot_largepage_remove_write_access() error: uninitialized symbol 'flush'. arch/x86/kvm/mmu/mmu.c:5834 kvm_mmu_slot_set_dirty() error: uninitialized symbol 'flush'. Old smatch warnings: arch/x86/kvm/mmu/mmu.c:3788 direct_page_fault() warn: missing error code? 'r' arch/x86/kvm/mmu/paging_tmpl.h:857 ept_page_fault() warn: missing error code? 'r' arch/x86/kvm/mmu/paging_tmpl.h:857 paging64_page_fault() warn: missing error code? 'r' arch/x86/kvm/mmu/paging_tmpl.h:857 paging32_page_fault() warn: missing error code? 'r' arch/x86/kvm/mmu/mmu.c:5743 kvm_mmu_zap_collapsible_sptes() error: uninitialized symbol 'flush'. vim +/flush +5812 arch/x86/kvm/mmu/mmu.c f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5793 f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5794 void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm, f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5795 struct kvm_memory_slot *memslot) f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5796 { d77aa73c7072c5 arch/x86/kvm/mmu.c Xiao Guangrong 2015-05-13 5797 bool flush; f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5798 7eb46ab3d33ed6 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-05-18 5799 if (kvm_memslots_have_rmaps(kvm)) { 91f65ea3582813 arch/x86/kvm/mmu/mmu.c Ben Gardon 2023-08-14 5800 write_lock(&kvm->mmu_lock); d77aa73c7072c5 arch/x86/kvm/mmu.c Xiao Guangrong 2015-05-13 5801 flush = slot_handle_large_level(kvm, memslot, slot_rmap_write_protect, f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5802 false); 91f65ea3582813 arch/x86/kvm/mmu/mmu.c Ben Gardon 2023-08-14 5803 write_unlock(&kvm->mmu_lock); 7eb46ab3d33ed6 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-05-18 5804 } f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5805 ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5806 if (is_tdp_mmu_enabled(kvm)) { ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5807 read_lock(&kvm->mmu_lock); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5808 flush |= kvm_tdp_mmu_wrprot_slot(kvm, memslot, PG_LEVEL_2M); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5809 read_unlock(&kvm->mmu_lock); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5810 } ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5811 f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 @5812 if (flush) 7f42aa76d4a558 arch/x86/kvm/mmu/mmu.c Sean Christopherson 2020-02-18 5813 kvm_arch_flush_remote_tlbs_memslot(kvm, memslot); f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5814 } f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5815 EXPORT_SYMBOL_GPL(kvm_mmu_slot_largepage_remove_write_access); f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5816 f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5817 void kvm_mmu_slot_set_dirty(struct kvm *kvm, f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5818 struct kvm_memory_slot *memslot) f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5819 { d77aa73c7072c5 arch/x86/kvm/mmu.c Xiao Guangrong 2015-05-13 5820 bool flush; f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5821 7eb46ab3d33ed6 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-05-18 5822 if (kvm_memslots_have_rmaps(kvm)) { 91f65ea3582813 arch/x86/kvm/mmu/mmu.c Ben Gardon 2023-08-14 5823 write_lock(&kvm->mmu_lock); d77aa73c7072c5 arch/x86/kvm/mmu.c Xiao Guangrong 2015-05-13 5824 flush = slot_handle_all_level(kvm, memslot, __rmap_set_dirty, false); 91f65ea3582813 arch/x86/kvm/mmu/mmu.c Ben Gardon 2023-08-14 5825 write_unlock(&kvm->mmu_lock); 7eb46ab3d33ed6 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-05-18 5826 } f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5827 ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5828 if (is_tdp_mmu_enabled(kvm)) { ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5829 read_lock(&kvm->mmu_lock); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5830 flush |= kvm_tdp_mmu_slot_set_dirty(kvm, memslot); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5831 read_unlock(&kvm->mmu_lock); ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5832 } ac11ca5ab371f5 arch/x86/kvm/mmu/mmu.c Ben Gardon 2021-04-01 5833 f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 @5834 if (flush) 7f42aa76d4a558 arch/x86/kvm/mmu/mmu.c Sean Christopherson 2020-02-18 5835 kvm_arch_flush_remote_tlbs_memslot(kvm, memslot); f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5836 } f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5837 EXPORT_SYMBOL_GPL(kvm_mmu_slot_set_dirty); f4b4b1808690c3 arch/x86/kvm/mmu.c Kai Huang 2015-01-28 5838 :::::: The code at line 5812 was first introduced by commit :::::: f4b4b1808690c37c7c703d43789c1988c5e7fdeb KVM: MMU: Add mmu help functions to support PML :::::: TO: Kai Huang <kai.huang(a)linux.intel.com> :::::: CC: Paolo Bonzini <pbonzini(a)redhat.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 777/2894] arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B
by kernel test robot 01 Feb '24

01 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: f6f9abf1a5ef2fc559630c77b3570346dcd19d40 commit: db5bb24abc8dd120fd81b7ce21819e96578d011e [777/2894] LoongArch: Old BPI compatibility config: loongarch-randconfig-r051-20240131 (https://download.01.org/0day-ci/archive/20240201/202402010731.xBi0q0zv-lkp@…) compiler: loongarch64-linux-gcc (GCC) 13.2.0 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/202402010731.xBi0q0zv-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B vim +439 arch/loongarch/kernel/legacy_boot.c 423 424 static struct fwnode_handle * __init parse_isa_base(u64 *cpu_addr) 425 { 426 struct device_node *np; 427 const __be32 *ranges = NULL; 428 int len; 429 struct device_node *node; 430 431 for_each_node_by_name(np, "isa") { 432 node = of_node_get(np); 433 434 if (!node) 435 break; 436 437 ranges = of_get_property(node, "ranges", &len); 438 > 439 if (!ranges || (ranges && len > 0)) 440 break; 441 } 442 if (ranges) { 443 ranges += 2; 444 *cpu_addr = of_translate_address(np, ranges); 445 return &np->fwnode; 446 } 447 448 return NULL; 449 } 450 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0