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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-21 15:44:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-11-21 15:44:07 -0800 |
| commit | 13f5004c94785af107dd702d9fbbe160f1004064 (patch) | |
| tree | 4aded04e423a06fd232e653cb5efefa98f342773 /kernel | |
| parent | a64bb02f4a62a604d8dd62decb559b9c6adfb40c (diff) | |
| parent | 68055915c1c22489f9658bd2b7391bb11b2cf4e4 (diff) | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixes: two Intel uncore driver fixes, a CPU-hotplug fix and a
build dependencies fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Fix boot crash on SBOX PMU on Haswell-EP
perf/x86/intel/uncore: Fix IRP uncore register offsets on Haswell EP
perf: Fix corruption of sibling list with hotplug
perf/x86: Fix embarrasing typo
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 2b02c9fda79..1cd5eef1fcd 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1562,8 +1562,10 @@ static void perf_remove_from_context(struct perf_event *event, bool detach_group if (!task) { /* - * Per cpu events are removed via an smp call and - * the removal is always successful. + * Per cpu events are removed via an smp call. The removal can + * fail if the CPU is currently offline, but in that case we + * already called __perf_remove_from_context from + * perf_event_exit_cpu. */ cpu_function_call(event->cpu, __perf_remove_from_context, &re); return; @@ -8117,7 +8119,7 @@ static void perf_pmu_rotate_stop(struct pmu *pmu) static void __perf_event_exit_context(void *__info) { - struct remove_event re = { .detach_group = false }; + struct remove_event re = { .detach_group = true }; struct perf_event_context *ctx = __info; perf_pmu_rotate_stop(ctx->pmu); |