Re: [PATCH] POSIX timers SMP race condition

[Arun Sharma]

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.

	-Arun
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