From: Joe Korty <joe.korty@ccur.com>
To: rml@ximian.com, mingo@elte.hu
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] rq->curr==p not equivalent to task_running(rq,p)
Date: Tue, 13 Jan 2004 18:02:20 -0500 [thread overview]
Message-ID: <20040113230220.GA13341@tsunami.ccur.com> (raw)
task_running(rq,p) is equivalent to (rq->curr == p) only for some
architectures. Boot tested on i386.
Regards,
Joe
diff -Nua 2.6/kernel/sched.c.0 2.6/kernel/sched.c
--- 2.6/kernel/sched.c.0 2004-01-13 17:53:34.000000000 -0500
+++ 2.6/kernel/sched.c 2004-01-13 17:47:33.000000000 -0500
@@ -2062,7 +2062,7 @@
* our priority decreased, or if we are not currently running on
* this runqueue and our priority is higher than the current's
*/
- if (rq->curr == p) {
+ if (task_running(rq, p)) {
if (p->prio > oldprio)
resched_task(rq->curr);
} else if (p->prio < rq->curr->prio)
next reply other threads:[~2004-01-13 23:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-13 23:02 Joe Korty [this message]
2004-01-13 23:49 ` [PATCH] rq->curr==p not equivalent to task_running(rq,p) Robert Love
2004-01-14 8:55 ` Ingo Molnar
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