linux-kernel - Re: [PATCH 6/6] percpu: Add preemption checks to __this

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Message-ID: <20131016133954.1e2d8d3b@gandalf.local.home>
Date:	Wed, 16 Oct 2013 13:39:54 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Christoph Lameter <cl@...ux.com>, Tejun Heo <tj@...nel.org>,
	akpm@...uxfoundation.org, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 6/6] percpu: Add preemption checks to __this_cpu ops

On Wed, 16 Oct 2013 19:11:53 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> 
> Anyway; I don't think the spinlock pattern matches too good and I don't
> mind the proposed:
> 
>   this_cpu_$op    (disables IRQs itself)
>   __this_cpu_$op  (with preemption check)
>   raw_cpu_$op	  (without preemption check)
> 

That sounds fine too.

-- Steve
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