Re: -rt scheduling: wakeup bug?

From: Ingo Molnar
Date: Thu Oct 04 2007 - 04:03:27 EST



* Mike Kravetz <kravetz@xxxxxxxxxx> wrote:

> > if (rq->curr && p && rq && _need_resched())
> > trace_special_pid(p->pid, PRIO(p), PRIO(rq->curr));
>
> Not an issue with the patch, just that last bit of code pulled in for
> context. I don't think it is a bug, but the checking of 'rq' after
> checking 'rq->curr' just doesn't look right (or necessary). Could it
> just be an artifact from earlier versions of the code?

yeah, you are right - and rq shouldnt ever be NULL there anyway.

Ingo
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