Commit 1812a643 authored by Hillf Danton's avatar Hillf Danton Committed by Ingo Molnar
Browse files

sched: Remove resetting exec_start in put_prev_task_rt()



There's no reason to clean the exec_start in put_prev_task_rt() as it is reset
when the task gets back to the run queue. This saves us doing a store() in the
fast path.
Signed-off-by: default avatarHillf Danton <dhillf@gmail.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Yong Zhang <yong.zhang0@gmail.com>
Link: http://lkml.kernel.org/r/BANLkTimqWD=q6YnSDi-v9y=LMWecgEzEWg@mail.gmail.com

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 311e800e
......@@ -1178,7 +1178,6 @@ static struct task_struct *pick_next_task_rt(struct rq *rq)
static void put_prev_task_rt(struct rq *rq, struct task_struct *p)
{
update_curr_rt(rq);
p->se.exec_start = 0;
/*
* The previous task needs to be made eligible for pushing
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment