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Message-ID: <BANLkTimqWD=q6YnSDi-v9y=LMWecgEzEWg@mail.gmail.com>
Date: Wed, 1 Jun 2011 22:03:47 +0800
From: Hillf Danton <dhillf@...il.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>,
Mike Galbraith <efault@....de>,
Yong Zhang <yong.zhang0@...il.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...e.hu>
Subject: [PATCH] sched: remove resetting exec_start in put_prev_task_rt()
Resetting exec_start, after updated in update_curr_rt(), could open window for
messing up the subsequent computations of delta_exec of the given task.
Signed-off-by: Hillf Danton <dhillf@...il.com>
---
kernel/sched_rt.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 88725c9..0f0cfce 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -1166,7 +1166,6 @@ 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
--
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