Messages in this thread | | | Subject | Re: [PATCH] add cpu_relax to hrtimer_cancel | From | Thomas Gleixner <> | Date | Mon, 03 Apr 2006 23:13:18 +0200 |
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On Mon, 2006-04-03 at 14:00 -0400, Joe Korty wrote: > 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(); > } > } > > > _
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Doh. It had been there once ..:)
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