diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-05-13 01:29:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-05-13 14:21:23 +0200 |
| commit | 0fdcccfafcffac70b452b3127cc3d981f0117655 (patch) | |
| tree | 9c23bd4ad372b6ea648045d1bdee187e2e0a9d5a /kernel/sched | |
| parent | a1dfb6311c7739e21e160bc4c5575a1b21b48c87 (diff) | |
tick/nohz: Call tick_nohz_task_switch() with interrupts disabled
Call tick_nohz_task_switch() slightly earlier after the context switch
to benefit from disabled IRQs. This way the function doesn't need to
disable them once more.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210512232924.150322-10-frederic@kernel.org
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 78e480f7881a..8f86ac28877e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4212,6 +4212,7 @@ static struct rq *finish_task_switch(struct task_struct *prev) vtime_task_switch(prev); perf_event_task_sched_in(prev, current); finish_task(prev); + tick_nohz_task_switch(); finish_lock_switch(rq); finish_arch_post_lock_switch(); kcov_finish_switch(current); @@ -4257,7 +4258,6 @@ static struct rq *finish_task_switch(struct task_struct *prev) put_task_struct_rcu_user(prev); } - tick_nohz_task_switch(); return rq; } |