Messages in this thread | | | Date | Fri, 23 Sep 2005 17:11:14 -0700 | From | Arun Sharma <> | Subject | Re: [PATCH] POSIX timers SMP race condition |
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On Fri, Sep 23, 2005 at 03:54:44PM -0700, Arun Sharma wrote: > - if (!unlikely(t->exit_state)) { > + if (!unlikely(t->flags & PF_EXITING)) {
I just had this problem happen again, after the patch. It looks like we need to cover other unguarded assignments to tsk->it_prof_expires, which could possibly race with do_exit().
Or just check for PF_EXITING in run_posix_cpu_timers() and return.
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