Commit cdb31047 authored Oct 30, 2020 by Hui Su Committed by Peter Zijlstra Nov 10, 2020

sched/fair: Remove superfluous lock section in do_sched_cfs_slack_timer()



Since ab93a4bc ("sched/fair: Remove distribute_running fromCFS
bandwidth"), there is nothing to protect between
raw_spin_lock_irqsave/store() in do_sched_cfs_slack_timer().

Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Phil Auld <pauld@redhat.com>
Reviewed-by: Ben Segall <bsegall@google.com>
Link: https://lkml.kernel.org/r/20201030144621.GA96974@rlk

parent 12fa97c6

kernel/sched/fair.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -5126,9 +5126,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
		return;

		distribute_cfs_runtime(cfs_b);

		raw_spin_lock_irqsave(&cfs_b->lock, flags);
		raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
		}

		/*

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