February 2024 - Kernel - mailweb.openeuler.org

[openeuler:OLK-6.6 3176/3186] drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3988:39: warning: variable 'pre_addr' is uninitialized when used here
by kernel test robot 19 Feb '24

19 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 181ab23277f274c13c335d037d654b2879de50ca commit: 86b90dc581ce2fcc6b724b4ffaea6103122a4b68 [3176/3186] iommu/arm-smmu-v3: Add support for ECMDQ register mode config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240219/202402190254.FDaGb5YO-lkp@…) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 36adfec155de366d722f2bac8ff9162289dcf06c) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240219/202402190254.FDaGb5YO-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/202402190254.FDaGb5YO-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3988:39: warning: variable 'pre_addr' is uninitialized when used here [-Wuninitialized] 3988 | if (i && ((val & ECMDQ_CP_ADDR) != (pre_addr + ECMDQ_CP_RRESET_SIZE))) { | ^~~~~~~~ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3979:20: note: initialize the variable 'pre_addr' to silence this warning 3979 | u64 val, pre_addr; | ^ | = 0 1 warning generated. vim +/pre_addr +3988 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c 3957 3958 static int arm_smmu_ecmdq_probe(struct arm_smmu_device *smmu) 3959 { 3960 int ret, cpu; 3961 u32 i, nump, numq, gap; 3962 u32 reg, shift_increment; 3963 u64 addr, smmu_dma_base; 3964 void __iomem *cp_regs, *cp_base; 3965 3966 /* IDR6 */ 3967 reg = readl_relaxed(smmu->base + ARM_SMMU_IDR6); 3968 nump = 1 << FIELD_GET(IDR6_LOG2NUMP, reg); 3969 numq = 1 << FIELD_GET(IDR6_LOG2NUMQ, reg); 3970 smmu->nr_ecmdq = nump * numq; 3971 gap = ECMDQ_CP_RRESET_SIZE >> FIELD_GET(IDR6_LOG2NUMQ, reg); 3972 3973 smmu_dma_base = (vmalloc_to_pfn(smmu->base) << PAGE_SHIFT); 3974 cp_regs = ioremap(smmu_dma_base + ARM_SMMU_ECMDQ_CP_BASE, PAGE_SIZE); 3975 if (!cp_regs) 3976 return -ENOMEM; 3977 3978 for (i = 0; i < nump; i++) { 3979 u64 val, pre_addr; 3980 3981 val = readq_relaxed(cp_regs + 32 * i); 3982 if (!(val & ECMDQ_CP_PRESET)) { 3983 iounmap(cp_regs); 3984 dev_err(smmu->dev, "ecmdq control page %u is memory mode\n", i); 3985 return -EFAULT; 3986 } 3987 > 3988 if (i && ((val & ECMDQ_CP_ADDR) != (pre_addr + ECMDQ_CP_RRESET_SIZE))) { 3989 iounmap(cp_regs); 3990 dev_err(smmu->dev, "ecmdq_cp memory region is not contiguous\n"); 3991 return -EFAULT; 3992 } 3993 3994 pre_addr = val & ECMDQ_CP_ADDR; 3995 } 3996 3997 addr = readl_relaxed(cp_regs) & ECMDQ_CP_ADDR; 3998 iounmap(cp_regs); 3999 4000 cp_base = devm_ioremap(smmu->dev, smmu_dma_base + addr, ECMDQ_CP_RRESET_SIZE * nump); 4001 if (!cp_base) 4002 return -ENOMEM; 4003 4004 smmu->ecmdq = devm_alloc_percpu(smmu->dev, struct arm_smmu_ecmdq *); 4005 if (!smmu->ecmdq) 4006 return -ENOMEM; 4007 4008 ret = arm_smmu_ecmdq_layout(smmu); 4009 if (ret) 4010 return ret; 4011 4012 shift_increment = order_base_2(num_possible_cpus() / smmu->nr_ecmdq); 4013 4014 addr = 0; 4015 for_each_possible_cpu(cpu) { 4016 struct arm_smmu_ecmdq *ecmdq; 4017 struct arm_smmu_queue *q; 4018 4019 ecmdq = *per_cpu_ptr(smmu->ecmdq, cpu); 4020 ecmdq->base = cp_base + addr; 4021 4022 q = &ecmdq->cmdq.q; 4023 4024 q->llq.max_n_shift = ECMDQ_MAX_SZ_SHIFT + shift_increment; 4025 ret = arm_smmu_init_one_queue(smmu, q, ecmdq->base, ARM_SMMU_ECMDQ_PROD, 4026 ARM_SMMU_ECMDQ_CONS, CMDQ_ENT_DWORDS, "ecmdq"); 4027 if (ret) 4028 return ret; 4029 4030 q->ecmdq_prod = ECMDQ_PROD_EN; 4031 rwlock_init(&q->ecmdq_lock); 4032 4033 ret = arm_smmu_ecmdq_init(&ecmdq->cmdq); 4034 if (ret) { 4035 dev_err(smmu->dev, "ecmdq[%d] init failed\n", i); 4036 return ret; 4037 } 4038 4039 addr += gap; 4040 } 4041 4042 return 0; 4043 } 4044 #endif 4045 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 v5 0/6] kabi reserve
by Yu Liao 18 Feb '24

18 Feb '24

Yu Liao (6): 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 struct ptp_clock_info kabi: reserve space for struct timer_list kabi: reserve space for struct clocksource include/linux/clocksource.h | 6 ++++++ include/linux/hrtimer.h | 10 ++++++++++ include/linux/kobject.h | 10 ++++++++++ include/linux/posix-clock.h | 11 +++++++++++ include/linux/ptp_clock_kernel.h | 6 ++++++ include/linux/timer.h | 4 ++++ 6 files changed, 47 insertions(+) -- 2.33.0

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[PATCH openEuler-1.0-LTS 0/2] net: hns3: fix a bug and modify the hns3 driver version
by Yonglong Liu 18 Feb '24

18 Feb '24

This patch set fix tm port shaping problem and modify the hns3 driver version. Guangbin Huang (1): net: hns3: fix tm port shapping of fibre port is incorrect after driver initialization Yonglong Liu (1): net: hns3: update hns3 version to 24.2.1 drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +- .../hisilicon/hns3/hns3_cae/hns3_cae_version.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++++++++--- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 1 + .../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 2 +- 8 files changed, 15 insertions(+), 9 deletions(-) -- 2.17.1

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[PATCH openEuler-1.0-LTS 0/2] net: hns3: fix a bug and modify the hns3 driver version
by Yonglong Liu 18 Feb '24

18 Feb '24

Guangbin Huang (1): net: hns3: fix tm port shapping of fibre port is incorrect after driver initialization Yonglong Liu (1): net: hns3: update hns3 version to 24.2.1 drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +- .../hisilicon/hns3/hns3_cae/hns3_cae_version.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++++++++--- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 1 + .../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 2 +- 8 files changed, 15 insertions(+), 9 deletions(-) -- 2.17.1

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[PATCH OLK-5.10] printk: fix double unlock issue in logbuf_lock
by Ye Weihua 18 Feb '24

18 Feb '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I91SQA CVE: NA ---------------------------------------- The following warning was found while testing the printk: pvqspinlock: lock 0xffffffffac56e1ac has corrupted value 0x0! [ 3027.446208] WARNING: CPU: 2 PID: 0 at kernel/locking/qspinlock_paravirt.h:498 __pv_queued_spin_unlock_slowpath+0xc0/0xd0 [ 3027.446283] ? __pv_queued_spin_unlock_slowpath+0xc0/0xd0 [ 3027.446285] __raw_callee_save___pv_queued_spin_unlock_slowpath+0x11/0x24 [ 3027.446288] .slowpath+0x9/0x16 [ 3027.446292] console_unlock+0x265/0x3e0 [ 3027.446294] vprintk_emit+0x12b/0x150 [ 3027.446298] printk+0x58/0x73 [ 3027.446300] dump_stack_print_info+0x77/0xa0 This problem occurs because logbuf_lock that does not exist in the later version is not processed when the community patch 793d63aff1ee802d00cf2155182b379570f76c4e ("printk: Drop console_sem during panic")is adapted. Resolve the problem by reacquiring the lock before the break. Fixes: 770a80b00211 ("[Backport] printk: Drop console_sem during panic") Signed-off-by: Ye Weihua <yeweihua4(a)huawei.com> --- kernel/printk/printk.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a1ac84498cf8..87cd50ae6cd6 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2495,7 +2495,7 @@ void console_unlock(void) static char text[LOG_LINE_MAX + PREFIX_MAX]; static int panic_console_dropped; unsigned long flags; - bool do_cond_resched, retry; + bool do_cond_resched, retry, locked = false; struct printk_info info; struct printk_record r; @@ -2541,6 +2541,7 @@ void console_unlock(void) printk_safe_enter_irqsave(flags); raw_spin_lock(&logbuf_lock); + locked = true; skip: if (!prb_read_valid(prb, console_seq, &r)) break; @@ -2588,6 +2589,7 @@ void console_unlock(void) console_msg_format & MSG_FORMAT_SYSLOG, printk_time); console_seq++; + locked = false; raw_spin_unlock(&logbuf_lock); /* @@ -2619,7 +2621,8 @@ void console_unlock(void) console_locked = 0; - raw_spin_unlock(&logbuf_lock); + if (likely(locked)) + raw_spin_unlock(&logbuf_lock); up_console_sem(); -- 2.34.1

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[PATCH OLK-6.6 0/4] hugetlb accounting v3
by Chen Ridong 17 Feb '24

17 Feb '24

Baolin Wang (1): mm: memcg: fix split queue list crash when large folio migration Nhat Pham (3): memcontrol: add helpers for hugetlb memcg accounting memcontrol: only transfer the memcg data for migration hugetlb: memcg: account hugetlb-backed memory in memory controller Documentation/admin-guide/cgroup-v2.rst | 29 +++++ include/linux/cgroup-defs.h | 5 + include/linux/memcontrol.h | 37 ++++++ kernel/cgroup/cgroup.c | 15 ++- mm/filemap.c | 2 +- mm/huge_memory.c | 2 +- mm/hugetlb.c | 36 ++++-- mm/memcontrol.c | 152 +++++++++++++++++++++--- mm/migrate.c | 3 +- 9 files changed, 252 insertions(+), 29 deletions(-) -- 2.34.1

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[PATCH openEuler-1.0-LTS 0/2] net: hns3: fix a bug and modify the hns3 driver version
by Yonglong Liu 17 Feb '24

17 Feb '24

Guangbin Huang (1): net: hns3: fix tm port shapping of fibre port is incorrect after driver initialization Yonglong Liu (1): net: hns3: update hns3 version to 24.2.1 drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +- .../hisilicon/hns3/hns3_cae/hns3_cae_version.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++++++++--- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 1 + .../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 2 +- 8 files changed, 15 insertions(+), 9 deletions(-) -- 2.17.1

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[PATCH openEuler-1.0-LTS 0/2] net: hns3: fix a bug and modify
by Yonglong Liu 17 Feb '24

17 Feb '24

Guangbin Huang (1): net: hns3: fix tm port shapping of fibre port is incorrect after driver initialization Yonglong Liu (1): net: hns3: update hns3 version to 24.2.1 drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +- .../hisilicon/hns3/hns3_cae/hns3_cae_version.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 2 +- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++++++++--- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 2 +- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 1 + .../net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 2 +- 8 files changed, 15 insertions(+), 9 deletions(-) -- 2.17.1

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[PATCH V6 OLK-6.6 0/5] Add support for ecmdq
by Zhang Zekun 17 Feb '24

17 Feb '24

Add support for ecmdq v2: fix some code check errors v3: Add config isolations v4: Enable CONFIG_ARM_SMMU_V3_ECMDQ in openeuler_defconfig in ARCH arm64 v5: Fix apply error v6: Fix the config isolation error Zhen Lei (5): iommu/arm-smmu-v3: Add support for ECMDQ register mode iommu/arm-smmu-v3: Ensure that a set of associated commands are inserted in the same ECMDQ iommu/arm-smmu-v3: Add arm_smmu_ecmdq_issue_cmdlist() for non-shared ECMDQ iommu/arm-smmu-v3: Add support for less than one ECMDQ per core iommu/arm-smmu-v3: Allow disabling ECMDQs at boot time arch/arm64/configs/openeuler_defconfig | 1 + drivers/iommu/Kconfig | 11 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 468 +++++++++++++++++++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 47 ++ 4 files changed, 522 insertions(+), 5 deletions(-) -- 2.17.1

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[openeuler:openEuler-1.0-LTS 20575/21625] drivers/char/hw_random/zhaoxin-rng.o: warning: objtool: missing symbol for section .init.text
by kernel test robot 11 Feb '24

11 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 7efcac7603953bb58d80041f410b079378b5174c commit: 050ff2f361bf733d1dde505dea8b0f5ecb23507c [20575/21625] hwrng: Add Zhaoxin rng driver config: x86_64-buildonly-randconfig-004-20240205 (https://download.01.org/0day-ci/archive/20240211/202402112046.Zh6M8C2r-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/20240211/202402112046.Zh6M8C2r-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/202402112046.Zh6M8C2r-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/char/hw_random/zhaoxin-rng.o: warning: objtool: missing symbol for section .init.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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