linux-kernel - Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT

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Message-ID: <alpine.DEB.2.11.1509302239420.4500@nanos>
Date:	Wed, 30 Sep 2015 22:39:59 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Steven Rostedt <rostedt@...dmis.org>
cc:	Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	fweisbec@...il.com, oleg@...hat.com, umgwanakikbuti@...il.com
Subject: Re: [PATCH v2 01/12] sched: Simplify INIT_PREEMPT_COUNT

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@...dmis.org>

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