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Date: Mon, 27 Aug 2007 12:32:48 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
       tony.luck@intel.com, Keith Owens <kaos@ocs.com.au>
Subject: Re: [patch 13/28] Add cmpxchg_local, cmpxchg64 and cmpxchg64_local
 to ia64
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On Mon, 27 Aug 2007, Mathieu Desnoyers wrote:

> Add the primitives cmpxchg_local, cmpxchg64 and cmpxchg64_local to ia64. They
> use cmpxchg_acq as underlying macro, just like the already existing ia64
> cmpxchg().

Acked-by: Christoph Lameter <clameter@sgi.com>

Note cmpxchg is *not* a performance win vs interrupt disable / enable on IA64.