Messages in this thread | | | Date | Wed, 30 Jul 2003 09:34:40 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: PATCH: Race in 2.6.0-test2 timer code |
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On Wed, 30 Jul 2003, Andrea Arcangeli wrote:
> The thing triggered simply by running setitimer in one function, while > the it_real_fn was running in the other cpu. I don't see how 2.6 can > have fixed this, it_real_fun can still trivially call add_timer while > you run inside do_setitimer in 2.6 too. [...]
This is not a race that can happen. itimer does this:
del_timer_sync(); add_timer();
how can the add_timer() still happen while it_real_fn is still running on another CPU?
Ingo
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