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

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks
Date 2015-09-29 16:30 +0200
Message-ID <qe44O-D4-31@gated-at.bofh.it> (permalink)
References <qdZHQ-2IS-3@gated-at.bofh.it> <qdZHQ-2IS-1@gated-at.bofh.it> <qe38K-7J7-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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).
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Thread

[RFC][PATCH 03/11] sched: Robustify preemption leak checks Peter Zijlstra <peterz@infradead.org> - 2015-09-29 11:50 +0200
  [tip:sched/core] sched/core: Robustify preemption leak checks tip-bot for Peter Zijlstra <tipbot@zytor.com> - 2015-09-29 12:40 +0200
  Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks Frederic Weisbecker <fweisbec@gmail.com> - 2015-09-29 15:30 +0200
    Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks Peter Zijlstra <peterz@infradead.org> - 2015-09-29 16:30 +0200
      Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks Frederic Weisbecker <fweisbec@gmail.com> - 2015-09-29 16:40 +0200
  Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks Steven Rostedt <rostedt@goodmis.org> - 2015-09-29 17:10 +0200
    Re: [RFC][PATCH 03/11] sched: Robustify preemption leak checks Peter Zijlstra <peterz@infradead.org> - 2015-09-29 17:30 +0200

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