On Tue, 2013-12-17 at 09:16 -0500, Steven Rostedt wrote:
>
> > @@ -1129,11 +1127,8 @@ unsigned long wait_task_inactive(struct task_struct *p, long match_state)
> > * is actually now running somewhere else!
> > */
> > while (task_running(rq, p)) {
> > - if (match_state) {
> > - if (!unlikely(check_task_state(p, match_state)))
> > - return 0;
> > + if (match_state && !check_task_state(p, match_state))
>
> Ah, it was that "!unlikely(" that caused me to miss the '!'. That
> should have been: likely(!check_task_state()). But anyway, I rather
> just keep what you wrote and drop the unlikely altogether.
Maybe better would be to put the thing back inline, with a brief
reference to the race.
-Mike
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