Re: [PATCH] POSIX timers SMP race condition

[Arun Sharma <arun.sharma@google.com>]

On Fri, Sep 23, 2005 at 05:11:14PM -0700, Arun Sharma wrote:
> 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().

False alarm, sorry. The kernel turned out be unpatched. I haven't seen 
the BUG() since then.

	-Arun
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