linux-kernel - Re: [PATCH] percpu: fix generic definition of __this_cpu_add_and

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Date:	Tue, 21 Feb 2012 09:53:08 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
cc:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] percpu: fix generic definition of
 __this_cpu_add_and_return()

On Sun, 19 Feb 2012, Konstantin Khlebnikov wrote:

> This patch adds missed "__" into function prefix.
> Otherwise on all archectures (except x86) it expands to irq/preemtion-safe
> variant: _this_cpu_generic_add_return(), which do extra irq-save/irq-restore.
> Optimal generic implementation is __this_cpu_generic_add_return().

Acked-by: Christoph Lameter <cl@...ux.com>
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