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[PATCH OLK-6.6 v3 0/2] Rewrite smt interference account logic
by Pu Lehui 12 Jun '25

12 Jun '25

Tengda Wu (1): interference: Fix the compilation warning of sched_task_is_throttled() Xu Kuohai (1): interference: Rewrite smt interference account logic kernel/cgroup/ifs.c | 110 +++++++++++++++++++++++++++++-------------- kernel/sched/sched.h | 18 +++---- 2 files changed, 83 insertions(+), 45 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 v2 0/2] Rewrite smt interference account logic
by Pu Lehui 12 Jun '25

12 Jun '25

Tengda Wu (1): interference: Fix the compilation warning of sched_task_is_throttled() Xu Kuohai (1): interference: Rewrite smt interference account logic kernel/cgroup/ifs.c | 110 +++++++++++++++++++++++++++++-------------- kernel/sched/sched.h | 18 +++---- 2 files changed, 83 insertions(+), 45 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 v2 0/5] Soft domain improves and bugfixes
by Zhang Qiao 12 Jun '25

12 Jun '25

v2: - Add fixes tag v1: - Fix compilation error Zhang Qiao (5): sched: Add cmdline sched_soft_domain switch for soft domain feature sched: Rework cpu.soft_domain_nr_cpu sched: Fix soft domain group memleak sched: Consider task affinity in wake_soft_domain() sched: Fix might sleep in atomic section issue kernel/sched/core.c | 16 ++-- kernel/sched/fair.c | 63 +++++++-------- kernel/sched/sched.h | 17 +++- kernel/sched/soft_domain.c | 162 ++++++++++++++++++++++++++++++++----- 4 files changed, 199 insertions(+), 59 deletions(-) -- 2.18.0.huawei.25

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[PATCH OLK-6.6 0/2] Rewrite smt interference account logic
by Pu Lehui 12 Jun '25

12 Jun '25

Tengda Wu (1): interference: Fix the compilation warning of sched_task_is_throttled() Xu Kuohai (1): interference: Rewrite smt interference account logic kernel/cgroup/ifs.c | 109 +++++++++++++++++++++++++++++-------------- kernel/sched/sched.h | 18 +++---- 2 files changed, 82 insertions(+), 45 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 0/4] Fix file content inconsistency issue and incorporate subsequent fix patches
by Li Lingfeng 12 Jun '25

12 Jun '25

Li Lingfeng (1): fs: add fsnotify_open in backing_file_open NeilBrown (3): NFS: add atomic_open for NFSv3 to handle O_TRUNC correctly. NFS: abort nfs_atomic_open_v23 if name is too long. vfs: generate FS_CREATE before FS_OPEN when ->atomic_open used. fs/backing-file.c | 3 +++ fs/namei.c | 10 ++++++-- fs/nfs/dir.c | 57 +++++++++++++++++++++++++++++++++++++++--- fs/nfs/nfs3proc.c | 1 + fs/nfs/proc.c | 1 + fs/open.c | 22 ++++++++++------ include/linux/nfs_fs.h | 3 +++ 7 files changed, 85 insertions(+), 12 deletions(-) -- 2.31.1

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[PATCH OLK-5.10 00/36] OLK-5.10 Bperf
by Xiaomeng Zhang 12 Jun '25

12 Jun '25

Dmitrii Dolgov (1): perf stat: Separate bperf from bpf_profiler Ian Rogers (3): perf test bpf-counters: Add test for BPF event modifier perf docs: Document bpf event modifier perf build: Properly guard libbpf includes Namhyung Kim (12): bpf: Allow bpf_get_current_ancestor_cgroup_id for tracing perf core: Factor out __perf_sw_event_sched perf core: Add PERF_COUNT_SW_CGROUP_SWITCHES event perf tools: Add 'cgroup-switches' software event perf tools: Add read_cgroup_id() function perf tools: Add cgroup_is_v2() helper perf bpf_counter: Move common functions to bpf_counter.h perf stat: Enable BPF counter with --for-each-cgroup perf stat: Fix BPF program section name perf stat: Fix handling of unsupported cgroup events when using BPF counters perf stat: Fix error check for bpf_program__attach perf test shell stat_bpf_counters: Fix test on Intel Song Liu (13): bpftool: Add Makefile target bootstrap perf build: Support build BPF skeletons with perf perf stat: Enable counting events for BPF programs perf stat: Introduce 'bperf' to share hardware PMCs with BPF perf stat: Measure 't0' and 'ref_time' after enable_counters() perf util: Move bpf_perf definitions to a libperf header perf bpf: check perf_attr_map is compatible with the perf binary perf stat: Introduce config stat.bpf-counter-events perf stat: Introduce ':b' modifier perf stat: Introduce bpf_counter_ops->disable() perf bpf: Fix building perf with BUILD_BPF_SKEL=1 by default in more distros perf bpf_skel: Do not use typedef to avoid error on old clang perf test: Add a shell test for 'perf stat --bpf-counters' new option Tengda Wu (2): perf stat: Support inherit events during fork() for bperf perf test: Use sqrtloop workload to test bperf event Veronika Molnarova (1): perf test stat_bpf_counter.sh: Stabilize the test results Xiaomeng Zhang (2): perf stat: Increase perf_attr_map entries perf stat: Fix incorrect display of bperf when event count is 0 Yonghong Song (1): bpf: Add rcu_read_lock in bpf_get_current_[ancestor_]cgroup_id() helpers Yu Kuai (1): perf stat: Fix error return code in bperf__load() include/linux/perf_event.h | 40 +- include/uapi/linux/perf_event.h | 1 + kernel/bpf/helpers.c | 22 +- kernel/trace/bpf_trace.c | 2 + tools/bpf/bpftool/Makefile | 2 + tools/build/Makefile.feature | 4 +- tools/include/uapi/linux/perf_event.h | 1 + tools/lib/perf/include/perf/bpf_perf.h | 32 + tools/perf/Documentation/perf-list.txt | 1 + tools/perf/Documentation/perf-stat.txt | 31 + tools/perf/Makefile.config | 9 + tools/perf/Makefile.perf | 65 +- tools/perf/builtin-stat.c | 110 ++- tools/perf/builtin-trace.c | 2 + tools/perf/tests/shell/stat_bpf_counters.sh | 76 ++ tools/perf/util/Build | 2 + tools/perf/util/bpf_counter.c | 833 ++++++++++++++++++ tools/perf/util/bpf_counter.h | 137 +++ tools/perf/util/bpf_counter_cgroup.c | 299 +++++++ tools/perf/util/bpf_skel/.gitignore | 3 + tools/perf/util/bpf_skel/bperf_cgroup.bpf.c | 191 ++++ tools/perf/util/bpf_skel/bperf_follower.bpf.c | 162 ++++ tools/perf/util/bpf_skel/bperf_leader.bpf.c | 55 ++ tools/perf/util/bpf_skel/bperf_u.h | 19 + .../util/bpf_skel/bpf_prog_profiler.bpf.c | 93 ++ tools/perf/util/cgroup.c | 47 + tools/perf/util/cgroup.h | 13 + tools/perf/util/config.c | 4 + tools/perf/util/evlist.c | 4 + tools/perf/util/evsel.c | 27 + tools/perf/util/evsel.h | 37 + tools/perf/util/parse-events.c | 12 +- tools/perf/util/parse-events.l | 3 +- tools/perf/util/python.c | 27 + tools/perf/util/stat-display.c | 4 +- tools/perf/util/stat.c | 2 +- tools/perf/util/target.c | 34 +- tools/perf/util/target.h | 8 + tools/scripts/Makefile.include | 1 + 39 files changed, 2364 insertions(+), 51 deletions(-) create mode 100644 tools/lib/perf/include/perf/bpf_perf.h create mode 100755 tools/perf/tests/shell/stat_bpf_counters.sh create mode 100644 tools/perf/util/bpf_counter.c create mode 100644 tools/perf/util/bpf_counter.h create mode 100644 tools/perf/util/bpf_counter_cgroup.c create mode 100644 tools/perf/util/bpf_skel/.gitignore create mode 100644 tools/perf/util/bpf_skel/bperf_cgroup.bpf.c create mode 100644 tools/perf/util/bpf_skel/bperf_follower.bpf.c create mode 100644 tools/perf/util/bpf_skel/bperf_leader.bpf.c create mode 100644 tools/perf/util/bpf_skel/bperf_u.h create mode 100644 tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c -- 2.34.1

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[PATCH OLK-6.6 v1 0/5] Soft domain improves and bugfixes
by Zhang Qiao 12 Jun '25

12 Jun '25

v1: - Fix compilation error Zhang Qiao (5): sched: Add cmdline sched_soft_domain switch for soft domain feature sched: Rework cpu.soft_domain_nr_cpu sched: Fix soft domain group memleak sched: Consider task affinity in wake_soft_domain() sched: Fix might sleep in atomic section issue kernel/sched/core.c | 16 ++-- kernel/sched/fair.c | 63 +++++++-------- kernel/sched/sched.h | 17 +++- kernel/sched/soft_domain.c | 162 ++++++++++++++++++++++++++++++++----- 4 files changed, 199 insertions(+), 59 deletions(-) -- 2.18.0.huawei.25

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[PATCH OLK-5.10 0/4] CVE-2023-53039
by Xiaomeng Zhang 12 Jun '25

12 Jun '25

Matti Vaittinen (2): workqueue: Add resource managed version of delayed work init devm-helpers: Add resource managed version of work init Reka Norman (1): HID: intel-ish-hid: ipc: Fix potential use-after-free in work function Zhang Lixu (1): HID: intel-ish-hid: ipc: Fix dev_err usage with uninitialized dev->devc drivers/hid/intel-ish-hid/ipc/ipc.c | 11 +++- include/linux/devm-helpers.h | 78 +++++++++++++++++++++++++++++ 2 files changed, 87 insertions(+), 2 deletions(-) create mode 100644 include/linux/devm-helpers.h -- 2.34.1

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[PATCH OLK-6.6 0/3] Fix the problem of NFS client mount read/write permission failure
by Li Lingfeng 12 Jun '25

12 Jun '25

Li Lingfeng (3): Revert "nfs: fix the loss of superblock's initialized flags" Revert "nfs: pass flags to second superblock" Revert "nfs: ignore SB_RDONLY when mounting nfs" fs/nfs/internal.h | 2 +- fs/nfs/nfs4super.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) -- 2.31.1

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[PATCH OLK-6.6] fs/resctrl: L2_MON does not support the limbo mechanism
by Zeng Heng 12 Jun '25

12 Jun '25

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IC30P1 -------------------------------- Currently, only L3_MON supports the limbo mechanism, while L2_MON does not. Therefore, during initialization, avoid incorrect initialization of the resctrl_rmid_realloc_limit and resctrl_rmid_realloc_threshold variables by L2_MON. Similarly, since L2_MON does not support read/write operations on the max_threshold_occupancy interface, and directly returns. Fixes: 556688623b2b ("fs/resctrl: Create l2 cache monitors") Signed-off-by: Zeng Heng <zengheng4(a)huawei.com> --- drivers/platform/mpam/mpam_resctrl.c | 6 ++++-- fs/resctrl/rdtgroup.c | 9 +++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/platform/mpam/mpam_resctrl.c b/drivers/platform/mpam/mpam_resctrl.c index ae02d33dab3f..8de4aae95253 100644 --- a/drivers/platform/mpam/mpam_resctrl.c +++ b/drivers/platform/mpam/mpam_resctrl.c @@ -738,8 +738,10 @@ static void mpam_resctrl_pick_caches(void) continue; } - if (mpam_has_feature(mpam_feat_msmon_csu, cprops)) - update_rmid_limits(cache_size); + if (mpam_has_feature(mpam_feat_msmon_csu, cprops)) { + if (class->level == 3) + update_rmid_limits(cache_size); + } if (has_cpor) { if (class->level == 2) { diff --git a/fs/resctrl/rdtgroup.c b/fs/resctrl/rdtgroup.c index 39c83694956d..86567d32e4df 100644 --- a/fs/resctrl/rdtgroup.c +++ b/fs/resctrl/rdtgroup.c @@ -1304,6 +1304,11 @@ static int rdt_delay_linear_show(struct kernfs_open_file *of, static int max_threshold_occ_show(struct kernfs_open_file *of, struct seq_file *seq, void *v) { + struct rdt_resource *r = of->kn->parent->priv; + + if (r->cache_level != 3) + return 0; + seq_printf(seq, "%u\n", resctrl_rmid_realloc_threshold); return 0; @@ -1326,9 +1331,13 @@ static int rdt_thread_throttle_mode_show(struct kernfs_open_file *of, static ssize_t max_threshold_occ_write(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off) { + struct rdt_resource *r = of->kn->parent->priv; unsigned int bytes; int ret; + if (r->cache_level != 3) + return 0; + ret = kstrtouint(buf, 0, &bytes); if (ret) return ret; -- 2.25.1

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