From: Joe Korty <joe.korty@ccur.com>
To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] add cpu_relax to hrtimer_cancel
Date: Mon, 3 Apr 2006 14:00:37 -0400 [thread overview]
Message-ID: <20060403180037.GA21038@tsunami.ccur.com> (raw)
Add a cpu_relax() to the hand-coded spinwait in hrtimer_cancel().
Signed-off-by: Joe Korty <joe.korty@ccur.com>
2.6.17-rc1-jak/kernel/hrtimer.c | 1 +
1 file changed, 1 insertion(+)
diff -puNa kernel/hrtimer.c~add.cpu_relax.to.hrtimer_cancel kernel/hrtimer.c
--- 2.6.17-rc1/kernel/hrtimer.c~add.cpu_relax.to.hrtimer_cancel 2006-04-03 13:40:05.000000000 -0400
+++ 2.6.17-rc1-jak/kernel/hrtimer.c 2006-04-03 13:41:06.000000000 -0400
@@ -501,6 +501,7 @@ int hrtimer_cancel(struct hrtimer *timer
if (ret >= 0)
return ret;
+ cpu_relax();
}
}
_
next reply other threads:[~2006-04-03 18:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-03 18:00 Joe Korty [this message]
2006-04-03 21:13 ` Thomas Gleixner
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