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 <[email protected]>
>
>
> 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 <[email protected]>
Doh. It had been there once ..:)
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