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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 11:33:10 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-11-21 14:17:56 +0100 |
| commit | 70c5f93669249886b151812076509f30569aff80 (patch) | |
| tree | 05dce785f3a70e022b91016c87e4092f143a2fef /kernel/events/core.c | |
| parent | c83ecfa5851f4d35be88f32dabb3a53f51cf5c32 (diff) | |
| parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) | |
| download | linux-70c5f93669249886b151812076509f30569aff80.tar.gz | |
Merge airlied/drm-next into drm-misc-next
Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.
Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in
commit a01cb8ba3f6282934cff65e89ab36b18b14cbe27
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed Nov 1 22:16:19 2017 +0200
drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 6bc21e202ae4..9d93db81fa36 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -662,7 +662,7 @@ static inline void update_cgrp_time_from_event(struct perf_event *event) /* * Do not update time when cgroup is not active */ - if (cgrp == event->cgrp) + if (cgroup_is_descendant(cgrp->css.cgroup, event->cgrp->css.cgroup)) __update_cgrp_time(event->cgrp); } @@ -8955,6 +8955,14 @@ static struct perf_cpu_context __percpu *find_pmu_context(int ctxn) static void free_pmu_context(struct pmu *pmu) { + /* + * Static contexts such as perf_sw_context have a global lifetime + * and may be shared between different PMUs. Avoid freeing them + * when a single PMU is going away. + */ + if (pmu->task_ctx_nr > perf_invalid_context) + return; + mutex_lock(&pmus_lock); free_percpu(pmu->pmu_cpu_context); mutex_unlock(&pmus_lock); |