linux-kernel - Re: [PATCH 13/41] percpu: Add raw_cpu

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Message-ID: <20131210154951.GF4610@htj.dyndns.org>
Date:	Tue, 10 Dec 2013 10:49:51 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Christoph Lameter <cl@...ux.com>, akpm@...uxfoundation.org,
	rostedt@...dmis.org, linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 13/41] percpu: Add raw_cpu_ops

On Tue, Dec 10, 2013 at 04:45:06PM +0100, Ingo Molnar wrote:
> 
> * Tejun Heo <tj@...nel.org> wrote:
> 
> > On Tue, Dec 03, 2013 at 05:32:45PM -0600, Christoph Lameter wrote:
> > > The patches following this one will add preemption checks to __this_cpu
> > > ops so we need to have an alternative way to use this_cpu operations
> > > without preemption checks.
> > > 
> > > raw_cpu_ops will be the basis for all other ops since these will be the
> > > operations that do not implement any checks. 
> > > 
> > > Primitive operations are renamed by this patch from __this_cpu_xxx to
> > > raw_cpu_xxxx.
> > > 
> > > Signed-off-by: Christoph Lameter <cl@...ux.com>
> > 
> > Applied to percpu/for-3.14.
> 
> Please also pick up the related debugging bits:
> 
>    [PATCH 18/41] percpu: Add preemption checks to __this_cpu ops
> 
> as we don't want to expand percpu ops without doing proper debugging.

Yeah, trying to figure out which should go through which tree.
Christoph, should I also pickup 14?  Or can that go through x86?

Thanks.

-- 
tejun
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