Messages in this thread Patch in this message | | | Date | Thu, 29 Oct 2020 17:27:20 +0100 | From | Peter Zijlstra <> | Subject | [PATCH v2 1/4] perf: Simplify group_sched_out() |
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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> --- kernel/events/core.c | 3 --- 1 file changed, 3 deletions(-)
--- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2312,9 +2312,6 @@ group_sched_out(struct perf_event *group event_sched_out(event, cpuctx, ctx); perf_pmu_enable(ctx->pmu); - - if (group_event->attr.exclusive) - cpuctx->exclusive = 0; } #define DETACH_GROUP 0x01UL
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