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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-10-29 16:28:25 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-11-09 18:12:35 +0100 |
| commit | 8c7855d82933bab7fa5e96f0e568fc125c2e1ab4 (patch) | |
| tree | b581df61d457e3c23083e748f2bb8b572824563e /kernel | |
| parent | perf/x86: Make dummy_iregs static (diff) | |
| download | linux-dev-8c7855d82933bab7fa5e96f0e568fc125c2e1ab4.tar.xz linux-dev-8c7855d82933bab7fa5e96f0e568fc125c2e1ab4.zip | |
perf: Simplify group_sched_out()
Since event_sched_out() clears cpuctx->exclusive upon removal of an
exclusive event (and only group leaders can be exclusive), there is no
point in group_sched_out() trying to do it too. It is impossible for
cpuctx->exclusive to still be set here.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201029162901.904060564@infradead.org
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index d67c9cbb0f6a..9a5736617a82 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2312,9 +2312,6 @@ group_sched_out(struct perf_event *group_event, event_sched_out(event, cpuctx, ctx); perf_pmu_enable(ctx->pmu); - - if (group_event->attr.exclusive) - cpuctx->exclusive = 0; } #define DETACH_GROUP 0x01UL |