Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT
Date	2015-09-30 22:50 +0200
Message-ID	<qewu5-7CZ-3@gated-at.bofh.it> (permalink)
References	<qek9A-6Kx-13@gated-at.bofh.it> <qek9C-6Kx-67@gated-at.bofh.it> <qelyG-rL-31@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 30 Sep 2015, Steven Rostedt wrote:
> >  /*
> > - * Disable preemption until the scheduler is running.
> > - * Reset by start_kernel()->sched_init()->init_idle().
> > + * Disable preemption until the scheduler is running -- use an unconditional
> > + * value so that it also works on !PREEMPT_COUNT kernels.
> >   *
> > - * We include PREEMPT_ACTIVE to avoid cond_resched() from working
> > - * before the scheduler is active -- see should_resched().
> > + * Reset by start_kernel()->sched_init()->init_idle().
> 
>  Reset by start_kernel()->sched_init()->init_idle()->init_idle_preempt_count().
> 
> Other than that.
> 
> Reviewed-by: Steven Rostedt <rostedt@goodmis.org>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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Thread

[PATCH v2 00/12] sched: Killing PREEMPT_ACTIVE Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
  [PATCH v2 04/12] sched: Add preempt argument to __schedule() Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
  [PATCH v2 06/12] sched: Stop setting PREEMPT_ACTIVE Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
    Re: [PATCH v2 06/12] sched: Stop setting PREEMPT_ACTIVE Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-01 17:30 +0200
  [PATCH v2 08/12] sched: Simplify preempt_count tests Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
    Re: [PATCH v2 08/12] sched: Simplify preempt_count tests Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-01 17:40 +0200
  [PATCH v2 12/12] sched: Add preempt_count invariant check Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
    Re: [PATCH v2 12/12] sched: Add preempt_count invariant check Steven Rostedt <rostedt@goodmis.org> - 2015-09-30 11:40 +0200
      Re: [PATCH v2 12/12] sched: Add preempt_count invariant check Peter Zijlstra <peterz@infradead.org> - 2015-09-30 13:20 +0200
  [PATCH v2 11/12] sched: More notrace Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
  [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200
    Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT Steven Rostedt <rostedt@goodmis.org> - 2015-09-30 11:10 +0200
      Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT Thomas Gleixner <tglx@linutronix.de> - 2015-09-30 22:50 +0200
    Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-01 15:30 +0200

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