Messages in this thread | | | Date | Sat, 11 Oct 2003 18:17:09 +0200 | From | Manfred Spraul <> | Subject | Re: [patch] SMP races in the timer code, timer-fix-2.6.0-test7-A0 |
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Ingo Molnar wrote:
>On Sat, 11 Oct 2003, Ingo Molnar wrote: > > > >>since this would be the 8th word-sized field in struct timer_list, >>making it a nice round structure size. >> >> > >it's the 9th field in fact, due to timer->magic. > > I found one problem: the same timer can run on multiple cpus at the same time.
timer on cpu 0. running on cpu 0. add_timer on cpu 1. expires immediately. running on cpu 1.
Your mail arrived out of order - thus I don't know yet if the 9th field is a counter or a flag - a counter might work, but is quite ugly.
-- Manfred
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