Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks

From: Frederic Weisbecker
Date: Tue Sep 29 2015 - 10:32:39 EST


On Tue, Sep 29, 2015 at 04:24:00PM +0200, Peter Zijlstra wrote:
> On Tue, Sep 29, 2015 at 03:25:53PM +0200, Frederic Weisbecker wrote:
> > On Tue, Sep 29, 2015 at 11:28:28AM +0200, Peter Zijlstra wrote:
>
> > > + if (unlikely(in_atomic_preempt_off() && prev->state != TASK_DEAD)) {
> > > __schedule_bug(prev);
> > > + preempt_count_set(PREEMPT_DISABLED);
> >
> > That one would be a bit fragile if we kept PREEMPT_ACTIVE, but since we are removing
> > it...
>
> Right, let me move this patch after 7 (the one that stops setting
> PREEMPT_ACTIVE).

Perfect!
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