On Mon, 2007-03-26 at 12:46 -0700, [EMAIL PROTECTED] wrote:
> The patch titled
> hrtimers: fix reprogramming SMP race
> has been added to the -mm tree. Its filename is
> hrtimers-fix-reprogramming-smp-race.patch
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
>
> ------------------------------------------------------
> Subject: hrtimers: fix reprogramming SMP race
> From: Ingo Molnar <[EMAIL PROTECTED]>
>
> hrtimer_start() incorrectly set the 'reprogram' flag to enqueue_hrtimer(),
> which should only be 1 if the hrtimer is queued to the current CPU.
>
> Doing otherwise could result in a reprogramming of the current CPU's
> clockevents device, with a timer that is not queued to it - resulting in a
> bogus next expiry value.
Doh.
> Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
> Cc: Michal Piotrowski <[EMAIL PROTECTED]>
> Cc: Thomas Gleixner <[EMAIL PROTECTED]>
> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Acked-by: Thomas Gleixner <[EMAIL PROTECTED]>
Andrew, this should go into 2.6.21 as well.
tglx
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