From: Tiejun Chen <tiejun.chen@windriver.com>
Date: Wed, 11 Jul 2012 04:22:46 +0000 (+1000)
Subject: powerpc: Add "memory" attribute for mfmsr()
X-Git-Tag: v3.6-rc1~132^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b416c9a10baae6a177b4f9ee858b8d309542fbef;p=pandora-kernel.git

powerpc: Add "memory" attribute for mfmsr()

Add "memory" attribute in inline assembly language as a compiler
barrier to make sure 4.6.x GCC don't reorder mfmsr().

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: stable@vger.kernel.org
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