git.baikalelectronics.ru Git - kernel.git/commit

author	Peter Zijlstra <peterz@infradead.org>
	Tue, 21 Sep 2021 20:16:02 +0000 (22:16 +0200)
committer	Peter Zijlstra <peterz@infradead.org>
	Thu, 7 Oct 2021 11:51:15 +0000 (13:51 +0200)
commit	faa948c811b0b5a126eb73d2ed0e2db91f80113b
tree	b928705d29ba099d985c9d2090a66ca1d28ed052	tree \| snapshot
parent	70012f37f6fa7d422966c40bbb1d3b44a82533aa	commit \| diff

sched: Simplify wake_up_*idle*()

Simplify and make wake_up_if_idle() more robust, also don't iterate
the whole machine with preempt_disable() in it's caller:
wake_up_all_idle_cpus().

This prepares for another wake_up_if_idle() user that needs a full
do_idle() cycle.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Tested-by: Vasily Gorbik <gor@linux.ibm.com> # on s390
Link: https://lkml.kernel.org/r/20210929152428.769328779@infradead.org

kernel/sched/core.c		diff \| blob \| history
kernel/smp.c		diff \| blob \| history