linux-kernel - Re: [cpuops cmpxchg V2 2/5] x86: this_cpu_cmpxchg and this_cpu

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Message-ID: <4D0B8023.1070009@kernel.org>
Date:	Fri, 17 Dec 2010 16:22:11 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
CC:	akpm@...ux-foundation.org, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: Re: [cpuops cmpxchg V2 2/5] x86: this_cpu_cmpxchg and this_cpu_xchg
 operations

On 12/14/2010 05:28 PM, Christoph Lameter wrote:
> Provide support as far as the hardware capabilities of the x86 cpus
> allow.
> 
> Define CONFIG_CMPXCHG_LOCAL in Kconfig.cpu to allow core code to test for
> fast cpuops implementations.
> 
> V1->V2:
> 	- Take out the definition for this_cpu_cmpxchg_8 and move it into
> 	  a separate patch.
> 
> Signed-off-by: Christoph Lameter <cl@...ux.com>

I reorderd ops so that it follow the organization better.  I'll soon
post the updated patch.  Thanks.

-- 
tejun
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