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Date: Fri, 12 Oct 2007 20:15:54 -0400
From: Gregory Haskins <ghaskins@...ell.com>
To: Steven Rostedt <rostedt@...dmis.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: RT <linux-rt-users@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
LKML <linux-kernel@...r.kernel.org>,
Gregory Haskins <ghaskins@...ell.com>
Subject: [PATCH 4/7] RT: Add support for updating push-rt priority under PI
boost
Signed-off-by: Gregory Haskins <ghaskins@...ell.com>
---
kernel/sched.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 50c88e8..62f9f0b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4663,6 +4663,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
* this runqueue and our priority is higher than the current's
*/
if (task_running(rq, p)) {
+ set_rq_prio(rq, p->prio);
if (p->prio > oldprio)
resched_task(rq->curr);
} else {
@@ -4722,6 +4723,9 @@ void set_user_nice(struct task_struct *p, long nice)
*/
if (delta < 0 || (delta > 0 && task_running(rq, p)))
resched_task(rq->curr);
+
+ if (delta && task_running(rq, p))
+ set_rq_prio(rq, p->prio);
}
out_unlock:
task_rq_unlock(rq, &flags);
-
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