From: Peter Zijlstra Date: Thu, 29 Oct 2020 15:28:25 +0000 (+0100) Subject: perf: Simplify group_sched_out() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8c7855d82933bab7fa5e96f0e568fc125c2e1ab4;p=linux.git 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) Link: https://lkml.kernel.org/r/20201029162901.904060564@infradead.org --- diff --git a/kernel/events/core.c b/kernel/events/core.c index d67c9cbb0f6a4..9a5736617a821 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