February 2024 - Kernel - mailweb.openeuler.org

[openeuler:openEuler-1.0-LTS 21355/21616] drivers/gpio/gpio-phytium-platform.c:30:36: warning: 'phytium_gpio_acpi_match' defined but not used
by kernel test robot 07 Feb '24

07 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3a28772f4b29bdda924e9a5d2e3ff1ff1b23fd14 commit: 00711bad7e372a30c4975ba43811ffa666aff0e1 [21355/21616] gpio: add phytium gpio driver config: arm64-randconfig-002-20240125 (https://download.01.org/0day-ci/archive/20240207/202402070439.VbTTHaS6-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240207/202402070439.VbTTHaS6-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/202402070439.VbTTHaS6-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpio/gpio-phytium-platform.c:30:36: warning: 'phytium_gpio_acpi_match' defined but not used [-Wunused-const-variable=] 30 | static const struct acpi_device_id phytium_gpio_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/phytium_gpio_acpi_match +30 drivers/gpio/gpio-phytium-platform.c 29 > 30 static const struct acpi_device_id phytium_gpio_acpi_match[] = { 31 { "PHYT0001", 0 }, 32 { } 33 }; 34 MODULE_DEVICE_TABLE(acpi, phytium_gpio_acpi_match); 35 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 18972/21616] drivers/char/svm.c:366:43: sparse: sparse: incorrect type in argument 1 (different address spaces)
by kernel test robot 07 Feb '24

07 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3a28772f4b29bdda924e9a5d2e3ff1ff1b23fd14 commit: 51d0e1a742714b2599d54fd92a71bd2998b01084 [18972/21616] support multiple node for getting phys interface config: arm64-randconfig-r131-20240130 (https://download.01.org/0day-ci/archive/20240207/202402070354.liyB0qcx-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240207/202402070354.liyB0qcx-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/202402070354.liyB0qcx-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/char/svm.c:248:20: sparse: sparse: symbol 'svm_find_mem_reg_node' was not declared. Should it be static? drivers/char/svm.c:325:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct svm_va2pa_slot *slot @@ got void [noderef] __iomem * @@ drivers/char/svm.c:325:14: sparse: expected struct svm_va2pa_slot *slot drivers/char/svm.c:325:14: sparse: got void [noderef] __iomem * >> drivers/char/svm.c:366:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct svm_va2pa_slot *slots @@ drivers/char/svm.c:366:43: sparse: expected void volatile [noderef] __iomem *addr drivers/char/svm.c:366:43: sparse: got struct svm_va2pa_slot *slots drivers/char/svm.c:449:6: sparse: sparse: symbol 'sysrq_sched_debug_show_export' was not declared. Should it be static? drivers/char/svm.c:1272:35: sparse: sparse: Using plain integer as NULL pointer drivers/char/svm.c:248:21: warning: no previous prototype for 'svm_find_mem_reg_node' [-Wmissing-prototypes] 248 | struct device_node *svm_find_mem_reg_node(struct device *dev, const char *compat) | ^~~~~~~~~~~~~~~~~~~~~ drivers/char/svm.c:449:6: warning: no previous prototype for 'sysrq_sched_debug_show_export' [-Wmissing-prototypes] 449 | void sysrq_sched_debug_show_export(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/char/svm.c:1476:5: warning: no previous prototype for 'svm_get_pasid' [-Wmissing-prototypes] 1476 | int svm_get_pasid(pid_t vpid, int dev_id __maybe_unused) | ^~~~~~~~~~~~~ drivers/char/svm.c:2269:36: warning: 'svm_acpi_match' defined but not used [-Wunused-const-variable=] 2269 | static const struct acpi_device_id svm_acpi_match[] = { | ^~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:34, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from arch/arm64/include/asm/memory.h:27, from arch/arm64/include/asm/esr.h:21, from drivers/char/svm.c:10: In function '__cmpxchg_case_mb_4', inlined from '__cmpxchg_mb' at arch/arm64/include/asm/cmpxchg.h:143:1, inlined from 'svm_proc_load_flag' at drivers/char/svm.c:1805:12: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'atomic_t[1]' [-Warray-bounds=] 492 | asm volatile( 39- | ^~~ arch/arm64/include/asm/atomic_lse.h:523:1: note: in expansion of macro '__CMPXCHG_CASE' 523 | __CMPXCHG_CASE(w, , mb_4, al, "memory") | ^~~~~~~~~~~~~~ drivers/char/svm.c: In function 'svm_proc_load_flag': drivers/char/svm.c:1796:25: note: object 'l2buf_load_flag' of size 4 1796 | static atomic_t l2buf_load_flag = ATOMIC_INIT(0); | ^~~~~~~~~~~~~~~ In function '__cmpxchg_case_mb_4', inlined from '__cmpxchg_mb' at arch/arm64/include/asm/cmpxchg.h:143:1, inlined from 'svm_proc_load_flag' at drivers/char/svm.c:1805:12: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'atomic_t[1]' [-Warray-bounds=] 492 | asm volatile( 52- | ^~~ arch/arm64/include/asm/atomic_lse.h:523:1: note: in expansion of macro '__CMPXCHG_CASE' 523 | __CMPXCHG_CASE(w, , mb_4, al, "memory") | ^~~~~~~~~~~~~~ drivers/char/svm.c: In function 'svm_proc_load_flag': drivers/char/svm.c:1796:25: note: object 'l2buf_load_flag' of size 4 1796 | static atomic_t l2buf_load_flag = ATOMIC_INIT(0); | ^~~~~~~~~~~~~~~ vim +366 drivers/char/svm.c 357 358 static void svm_remove_trunk(struct device *dev) 359 { 360 int count; 361 362 for (count = 0; count < SVM_VA2PA_TRUNK_COUNT_MAX; count++) { 363 if (!va2pa_trunk[count].base) 364 break; 365 > 366 iounmap(va2pa_trunk[count].slots); 367 kvfree(va2pa_trunk[count].bitmap); 368 va2pa_trunk[count].slots = NULL; 369 va2pa_trunk[count].bitmap = NULL; 370 } 371 } 372 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 v2] fs/dcache: kabi: KABI reservation for dentry
by Baokun Li 06 Feb '24

06 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I91CF6 ---------------------------------------------------------------------- structure size reserves reserved dentry 200 2 216 dentry_operations 104 3 128 Signed-off-by: Baokun Li <libaokun1(a)huawei.com> --- V1->V2: Add kabi.h to avoid compile errors under ppc/ppc64/riscv64/arm. include/linux/dcache.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 1c5b08d804ce..3c29580178cd 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -2,6 +2,7 @@ #ifndef __LINUX_DCACHE_H #define __LINUX_DCACHE_H +#include <linux/kabi.h> #include <linux/atomic.h> #include <linux/list.h> #include <linux/math.h> @@ -114,6 +115,9 @@ struct dentry { } d_u; /* negative dentry under this dentry, if it's dir */ atomic_t d_neg_dnum; + + KABI_RESERVE(1) + KABI_RESERVE(2) } __randomize_layout; /* @@ -143,6 +147,10 @@ struct dentry_operations { struct vfsmount *(*d_automount)(struct path *); int (*d_manage)(const struct path *, bool); struct dentry *(*d_real)(struct dentry *, const struct inode *); + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) } ____cacheline_aligned; /* -- 2.31.1

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[openeuler:openEuler-1.0-LTS 19671/21616] kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus'
by kernel test robot 06 Feb '24

06 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3a28772f4b29bdda924e9a5d2e3ff1ff1b23fd14 commit: ebca52abe099caa97d7669d0acc71209ea80cfec [19671/21616] sched: Add statistics for scheduler dynamic affinity config: arm64-randconfig-002-20240205 (https://download.01.org/0day-ci/archive/20240206/202402062202.5xZX0hbZ-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240206/202402062202.5xZX0hbZ-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/202402062202.5xZX0hbZ-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/debug.c:815:6: warning: no previous prototype for 'sysrq_sched_debug_tidy' [-Wmissing-prototypes] 815 | void sysrq_sched_debug_tidy(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/debug.c: In function 'proc_sched_show_task': >> kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ In file included from include/linux/kernel.h:14, from include/linux/list.h:9, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from kernel/sched/sched.h:5, from kernel/sched/debug.c:12: >> kernel/sched/debug.c:990:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_preferred_cpus' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:990:17: note: in expansion of macro '__P' 990 | __P(dyn_affi->nr_wakeups_preferred_cpus); | ^~~ >> kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ kernel/sched/debug.c:21:31: note: in definition of macro 'SEQ_printf' 21 | seq_printf(m, x); \ | ^ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ >> kernel/sched/debug.c:991:29: error: 'struct dyn_affinity_stats' has no member named 'nr_wakeups_force_preferred_cpus' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~ include/linux/printk.h:362:33: note: in definition of macro 'pr_cont' 362 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ kernel/sched/debug.c:939:9: note: in expansion of macro 'SEQ_printf' 939 | SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) | ^~~~~~~~~~ kernel/sched/debug.c:991:17: note: in expansion of macro '__P' 991 | __P(dyn_affi->nr_wakeups_force_preferred_cpus); | ^~~ kernel/sched/debug.c: At top level: kernel/sched/debug.c:867:36: warning: 'sched_debug_sops' defined but not used [-Wunused-const-variable=] 867 | static const struct seq_operations sched_debug_sops = { | ^~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for UACCE Depends on [n]: IOMMU_API [=n] Selected by [y]: - CRYPTO_DEV_HISI_QM [=y] && CRYPTO [=y] && CRYPTO_HW [=y] && ARM64 [=y] && PCI [=y] vim +990 kernel/sched/debug.c 924 925 void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, 926 struct seq_file *m) 927 { 928 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY 929 struct dyn_affinity_stats *dyn_affi = p->se.dyn_affi_stats; 930 #endif 931 unsigned long nr_switches; 932 933 SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, task_pid_nr_ns(p, ns), 934 get_nr_threads(p)); 935 SEQ_printf(m, 936 "---------------------------------------------------------" 937 "----------\n"); 938 #define __P(F) \ 939 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)F) 940 #define P(F) \ 941 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)p->F) 942 #define P_SCHEDSTAT(F) \ 943 SEQ_printf(m, "%-45s:%21Ld\n", #F, (long long)schedstat_val(p->F)) 944 #define __PN(F) \ 945 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F)) 946 #define PN(F) \ 947 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F)) 948 #define PN_SCHEDSTAT(F) \ 949 SEQ_printf(m, "%-45s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)schedstat_val(p->F))) 950 951 PN(se.exec_start); 952 PN(se.vruntime); 953 PN(se.sum_exec_runtime); 954 955 nr_switches = p->nvcsw + p->nivcsw; 956 957 P(se.nr_migrations); 958 959 if (schedstat_enabled()) { 960 u64 avg_atom, avg_per_cpu; 961 962 PN_SCHEDSTAT(se.statistics.sum_sleep_runtime); 963 PN_SCHEDSTAT(se.statistics.wait_start); 964 PN_SCHEDSTAT(se.statistics.sleep_start); 965 PN_SCHEDSTAT(se.statistics.block_start); 966 PN_SCHEDSTAT(se.statistics.sleep_max); 967 PN_SCHEDSTAT(se.statistics.block_max); 968 PN_SCHEDSTAT(se.statistics.exec_max); 969 PN_SCHEDSTAT(se.statistics.slice_max); 970 PN_SCHEDSTAT(se.statistics.wait_max); 971 PN_SCHEDSTAT(se.statistics.wait_sum); 972 P_SCHEDSTAT(se.statistics.wait_count); 973 PN_SCHEDSTAT(se.statistics.iowait_sum); 974 P_SCHEDSTAT(se.statistics.iowait_count); 975 P_SCHEDSTAT(se.statistics.nr_migrations_cold); 976 P_SCHEDSTAT(se.statistics.nr_failed_migrations_affine); 977 P_SCHEDSTAT(se.statistics.nr_failed_migrations_running); 978 P_SCHEDSTAT(se.statistics.nr_failed_migrations_hot); 979 P_SCHEDSTAT(se.statistics.nr_forced_migrations); 980 P_SCHEDSTAT(se.statistics.nr_wakeups); 981 P_SCHEDSTAT(se.statistics.nr_wakeups_sync); 982 P_SCHEDSTAT(se.statistics.nr_wakeups_migrate); 983 P_SCHEDSTAT(se.statistics.nr_wakeups_local); 984 P_SCHEDSTAT(se.statistics.nr_wakeups_remote); 985 P_SCHEDSTAT(se.statistics.nr_wakeups_affine); 986 P_SCHEDSTAT(se.statistics.nr_wakeups_affine_attempts); 987 P_SCHEDSTAT(se.statistics.nr_wakeups_passive); 988 P_SCHEDSTAT(se.statistics.nr_wakeups_idle); 989 #ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY > 990 __P(dyn_affi->nr_wakeups_preferred_cpus); > 991 __P(dyn_affi->nr_wakeups_force_preferred_cpus); 992 #endif 993 994 avg_atom = p->se.sum_exec_runtime; 995 if (nr_switches) 996 avg_atom = div64_ul(avg_atom, nr_switches); 997 else 998 avg_atom = -1LL; 999 1000 avg_per_cpu = p->se.sum_exec_runtime; 1001 if (p->se.nr_migrations) { 1002 avg_per_cpu = div64_u64(avg_per_cpu, 1003 p->se.nr_migrations); 1004 } else { 1005 avg_per_cpu = -1LL; 1006 } 1007 1008 __PN(avg_atom); 1009 __PN(avg_per_cpu); 1010 } 1011 1012 __P(nr_switches); 1013 SEQ_printf(m, "%-45s:%21Ld\n", 1014 "nr_voluntary_switches", (long long)p->nvcsw); 1015 SEQ_printf(m, "%-45s:%21Ld\n", 1016 "nr_involuntary_switches", (long long)p->nivcsw); 1017 1018 P(se.load.weight); 1019 P(se.runnable_weight); 1020 #ifdef CONFIG_SMP 1021 P(se.avg.load_sum); 1022 P(se.avg.runnable_load_sum); 1023 P(se.avg.util_sum); 1024 P(se.avg.load_avg); 1025 P(se.avg.runnable_load_avg); 1026 P(se.avg.util_avg); 1027 P(se.avg.last_update_time); 1028 P(se.avg.util_est.ewma); 1029 P(se.avg.util_est.enqueued); 1030 #endif 1031 P(policy); 1032 P(prio); 1033 if (task_has_dl_policy(p)) { 1034 P(dl.runtime); 1035 P(dl.deadline); 1036 } 1037 #undef PN_SCHEDSTAT 1038 #undef PN 1039 #undef __PN 1040 #undef P_SCHEDSTAT 1041 #undef P 1042 #undef __P 1043 1044 { 1045 unsigned int this_cpu = raw_smp_processor_id(); 1046 u64 t0, t1; 1047 1048 t0 = cpu_clock(this_cpu); 1049 t1 = cpu_clock(this_cpu); 1050 SEQ_printf(m, "%-45s:%21Ld\n", 1051 "clock-delta", (long long)(t1-t0)); 1052 } 1053 1054 sched_show_numa(p, m); 1055 } 1056 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 15026/21616] arch/arm64/mm/init.c:790:17: error: 'pmu_nmi_enable' undeclared; did you mean 'perf_pmu_enable'?
by kernel test robot 06 Feb '24

06 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3a28772f4b29bdda924e9a5d2e3ff1ff1b23fd14 commit: 0c40cea7cfc2d1d9762e6fbbb531a43e6dac95ca [15026/21616] NMI: Enable arm-pmu interrupt as NMI in Acensed. config: arm64-randconfig-001-20240205 (https://download.01.org/0day-ci/archive/20240206/202402062148.BWGcSjzi-lkp@…) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240206/202402062148.BWGcSjzi-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/202402062148.BWGcSjzi-lkp@intel.com/ All errors (new ones prefixed by >>): arch/arm64/mm/init.c:469:13: warning: no previous prototype for 'arm64_memblock_init' [-Wmissing-prototypes] 469 | void __init arm64_memblock_init(void) | ^~~~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c: In function 'ascend_enable_all_features': arch/arm64/mm/init.c:787:17: error: 'mem_sleep_current' undeclared (first use in this function) 787 | mem_sleep_current = PM_SUSPEND_ON; | ^~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c:787:17: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm64/mm/init.c:790:17: error: 'pmu_nmi_enable' undeclared (first use in this function); did you mean 'perf_pmu_enable'? 790 | pmu_nmi_enable = true; | ^~~~~~~~~~~~~~ | perf_pmu_enable vim +790 arch/arm64/mm/init.c 774 775 void ascend_enable_all_features(void) 776 { 777 if (IS_ENABLED(CONFIG_ASCEND_DVPP_MMAP)) 778 enable_mmap_dvpp = 1; 779 780 if (IS_ENABLED(CONFIG_ASCEND_IOPF_HIPRI)) 781 enable_iopf_hipri = 1; 782 783 if (IS_ENABLED(CONFIG_ASCEND_CHARGE_MIGRATE_HUGEPAGES)) 784 enable_charge_mighp = 1; 785 786 if (IS_ENABLED(CONFIG_SUSPEND)) 787 mem_sleep_current = PM_SUSPEND_ON; 788 789 if (IS_ENABLED(CONFIG_PMU_WATCHDOG)) > 790 pmu_nmi_enable = true; 791 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH v2 OLK-6.6 0/9] Support feature TLBI DVMBM
by lishusen 06 Feb '24

06 Feb '24

Replace cpumask_t* by cpumask_var_t and rename related variables Yanan Wang (1): KVM: arm64: Only probe Hisi ncsnp feature on Hisi CPUs Zenghui Yu (2): KVM: arm64: Probe Hisi CPU TYPE from ACPI/DTB KVM: arm64: Add support for probing Hisi ncsnp capability lishusen (5): KVM: arm64: Support a new HiSi CPU type KVM: arm64: Probe and configure DVMBM capability on HiSi CPUs KVM: arm64: Add kvm_vcpu_arch::sched_cpus and pre_sched_cpus KVM: arm64: Add kvm_arch::sched_cpus and sched_lock KVM: arm64: Implement the capability of DVMBM .../admin-guide/kernel-parameters.txt | 4 + arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/include/asm/kvm_host.h | 16 + arch/arm64/include/asm/kvm_mmu.h | 2 +- arch/arm64/kernel/image-vars.h | 5 + arch/arm64/kvm/Kconfig | 1 + arch/arm64/kvm/Makefile | 1 + arch/arm64/kvm/arm.c | 33 ++ arch/arm64/kvm/hisilicon/Kconfig | 7 + arch/arm64/kvm/hisilicon/Makefile | 2 + arch/arm64/kvm/hisilicon/hisi_virt.c | 376 ++++++++++++++++++ arch/arm64/kvm/hisilicon/hisi_virt.h | 87 ++++ arch/arm64/kvm/hyp/pgtable.c | 2 +- 13 files changed, 535 insertions(+), 2 deletions(-) create mode 100644 arch/arm64/kvm/hisilicon/Kconfig create mode 100644 arch/arm64/kvm/hisilicon/Makefile create mode 100644 arch/arm64/kvm/hisilicon/hisi_virt.c create mode 100644 arch/arm64/kvm/hisilicon/hisi_virt.h -- 2.33.0

2 9

[PATCH OLK-6.6 0/3] hugetlb accounting
by Chen Ridong 06 Feb '24

06 Feb '24

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/hugetlb.c | 38 +++++-- mm/memcontrol.c | 141 +++++++++++++++++++++--- mm/migrate.c | 3 +- 8 files changed, 241 insertions(+), 29 deletions(-) -- 2.34.1

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[openeuler:openEuler-1.0-LTS 19669/21616] kernel/sched/fair.c:6701:19: error: incomplete definition of type 'struct task_group'
by kernel test robot 06 Feb '24

06 Feb '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 3a28772f4b29bdda924e9a5d2e3ff1ff1b23fd14 commit: 70a232a564cfa99401d197708cf380398ad5e2d7 [19669/21616] sched: Adjust wakeup cpu range according CPU util dynamicly config: x86_64-randconfig-102-20240206 (https://download.01.org/0day-ci/archive/20240206/202402062002.kXYC72o0-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/20240206/202402062002.kXYC72o0-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/202402062002.kXYC72o0-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/sched/fair.c:23: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: In file included from include/linux/mempolicy.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/fair.c:23: kernel/sched/sched.h:1201:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1201 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:3675:6: warning: no previous prototype for function 'sync_entity_load_avg' [-Wmissing-prototypes] 3675 | void sync_entity_load_avg(struct sched_entity *se) | ^ kernel/sched/fair.c:3675:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3675 | void sync_entity_load_avg(struct sched_entity *se) | ^ | static kernel/sched/fair.c:3688:6: warning: no previous prototype for function 'remove_entity_load_avg' [-Wmissing-prototypes] 3688 | void remove_entity_load_avg(struct sched_entity *se) | ^ kernel/sched/fair.c:3688:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3688 | void remove_entity_load_avg(struct sched_entity *se) | ^ | static kernel/sched/fair.c:5206:6: warning: no previous prototype for function 'init_cfs_bandwidth' [-Wmissing-prototypes] 5206 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^ kernel/sched/fair.c:5206:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 5206 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^ | static >> kernel/sched/fair.c:6701:19: error: incomplete definition of type 'struct task_group' 6701 | if (unlikely(!tg->se[cpu])) | ~~^ include/linux/compiler.h:77:42: note: expanded from macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/sched.h:57:8: note: forward declaration of 'struct task_group' 57 | struct task_group; | ^ kernel/sched/fair.c:6707:40: error: incomplete definition of type 'struct task_group' 6707 | spare = (long)(capacity_of(cpu) - tg->se[cpu]->avg.util_avg); | ~~^ include/linux/sched.h:57:8: note: forward declaration of 'struct task_group' 57 | struct task_group; | ^ kernel/sched/fair.c:6720:21: error: incomplete definition of type 'struct task_group' 6720 | util_avg_sum += tg->se[cpu]->avg.util_avg; | ~~^ include/linux/sched.h:57:8: note: forward declaration of 'struct task_group' 57 | struct task_group; | ^ kernel/sched/fair.c:6747:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 6747 | unsigned long time; | ^ kernel/sched/fair.c:7291:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 7291 | unsigned long time; | ^ kernel/sched/fair.c:11034:6: warning: no previous prototype for function 'free_fair_sched_group' [-Wmissing-prototypes] 11034 | void free_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:11034:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 11034 | void free_fair_sched_group(struct task_group *tg) { } | ^ | static kernel/sched/fair.c:11036:5: warning: no previous prototype for function 'alloc_fair_sched_group' [-Wmissing-prototypes] 11036 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^ kernel/sched/fair.c:11036:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 11036 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^ | static kernel/sched/fair.c:11041:6: warning: no previous prototype for function 'online_fair_sched_group' [-Wmissing-prototypes] 11041 | void online_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:11041:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 11041 | void online_fair_sched_group(struct task_group *tg) { } | ^ | static kernel/sched/fair.c:11043:6: warning: no previous prototype for function 'unregister_fair_sched_group' [-Wmissing-prototypes] 11043 | void unregister_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:11043:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 11043 | void unregister_fair_sched_group(struct task_group *tg) { } | ^ | static 11 warnings and 3 errors generated. vim +6701 kernel/sched/fair.c 6670 6671 /* 6672 * set_task_select_cpus: select the cpu range for task 6673 * @p: the task whose available cpu range will to set 6674 * @idlest_cpu: the cpu which is the idlest in prefer cpus 6675 * 6676 * If sum of 'util_avg' among 'preferred_cpus' lower than the percentage 6677 * 'sysctl_sched_util_low_pct' of 'preferred_cpus' capacity, select 6678 * 'preferred_cpus' range for task, otherwise select 'preferred_cpus' for task. 6679 * 6680 * The available cpu range set to p->select_cpus. Idlest cpu in preferred cpus 6681 * set to @idlest_cpu, which is set to wakeup cpu when fast path wakeup cpu 6682 * without p->select_cpus. 6683 */ 6684 static void set_task_select_cpus(struct task_struct *p, int *idlest_cpu, 6685 int sd_flag) 6686 { 6687 unsigned long util_avg_sum = 0; 6688 unsigned long tg_capacity = 0; 6689 long min_util = INT_MIN; 6690 struct task_group *tg; 6691 long spare; 6692 int cpu; 6693 6694 p->select_cpus = &p->cpus_allowed; 6695 if (!prefer_cpus_valid(p)) 6696 return; 6697 6698 rcu_read_lock(); 6699 tg = task_group(p); 6700 for_each_cpu(cpu, p->prefer_cpus) { > 6701 if (unlikely(!tg->se[cpu])) 6702 continue; 6703 6704 if (idlest_cpu && available_idle_cpu(cpu)) { 6705 *idlest_cpu = cpu; 6706 } else if (idlest_cpu) { 6707 spare = (long)(capacity_of(cpu) - tg->se[cpu]->avg.util_avg); 6708 if (spare > min_util) { 6709 min_util = spare; 6710 *idlest_cpu = cpu; 6711 } 6712 } 6713 6714 if (available_idle_cpu(cpu)) { 6715 rcu_read_unlock(); 6716 p->select_cpus = p->prefer_cpus; 6717 return; 6718 } 6719 6720 util_avg_sum += tg->se[cpu]->avg.util_avg; 6721 tg_capacity += capacity_of(cpu); 6722 } 6723 rcu_read_unlock(); 6724 6725 if (tg_capacity > cpumask_weight(p->prefer_cpus) && 6726 util_avg_sum * 100 <= tg_capacity * sysctl_sched_util_low_pct) { 6727 p->select_cpus = p->prefer_cpus; 6728 } 6729 } 6730 #endif 6731 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6] scsi: target: Add kabi reservation
by Li Lingfeng 06 Feb '24

06 Feb '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZUL1 -------------------------------- Reserve space for structure se_cmd/se_device. Signed-off-by: Li Lingfeng <lilingfeng3(a)huawei.com> --- include/target/target_core_base.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 159567359bbb..fc659fe6d7a0 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -554,6 +554,12 @@ struct se_cmd { * initialized on. Drivers can override. */ int cpuid; + + KABI_RESERVE(1) + KABI_RESERVE(2) + KABI_RESERVE(3) + KABI_RESERVE(4) + KABI_RESERVE(5) }; struct se_ua { @@ -869,6 +875,9 @@ struct se_device { int queue_cnt; struct se_device_queue *queues; struct mutex lun_reset_mutex; + + KABI_RESERVE(1) + KABI_RESERVE(2) }; struct target_opcode_descriptor { -- 2.31.1

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[PATCH v2 OLK-6.6 0/9] Support feature TLBI
by lishusen 06 Feb '24

06 Feb '24

Replace cpumask_t* by cpumask_var_t and rename related variables Yanan Wang (1): KVM: arm64: Only probe Hisi ncsnp feature on Hisi CPUs Zenghui Yu (2): KVM: arm64: Probe Hisi CPU TYPE from ACPI/DTB KVM: arm64: Add support for probing Hisi ncsnp capability lishusen (5): KVM: arm64: Support a new HiSi CPU type KVM: arm64: Probe and configure DVMBM capability on HiSi CPUs KVM: arm64: Add kvm_vcpu_arch::sched_cpus and pre_sched_cpus KVM: arm64: Add kvm_arch::sched_cpus and sched_lock KVM: arm64: Implement the capability of DVMBM .../admin-guide/kernel-parameters.txt | 4 + arch/arm64/configs/openeuler_defconfig | 1 + arch/arm64/include/asm/kvm_host.h | 30 +- arch/arm64/include/asm/kvm_mmu.h | 2 +- arch/arm64/kernel/image-vars.h | 5 + arch/arm64/kvm/Kconfig | 1 + arch/arm64/kvm/Makefile | 1 + arch/arm64/kvm/arm.c | 33 ++ arch/arm64/kvm/hisilicon/Kconfig | 7 + arch/arm64/kvm/hisilicon/Makefile | 2 + arch/arm64/kvm/hisilicon/hisi_virt.c | 378 ++++++++++++++++++ arch/arm64/kvm/hisilicon/hisi_virt.h | 87 ++++ arch/arm64/kvm/hyp/pgtable.c | 2 +- 13 files changed, 544 insertions(+), 9 deletions(-) create mode 100644 arch/arm64/kvm/hisilicon/Kconfig create mode 100644 arch/arm64/kvm/hisilicon/Makefile create mode 100644 arch/arm64/kvm/hisilicon/hisi_virt.c create mode 100644 arch/arm64/kvm/hisilicon/hisi_virt.h -- 2.33.0

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