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: v3.2.25~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=216fce53c4a85d012a5dc28eff803b9a28874ba8;p=pandora-kernel.git

powerpc: Add "memory" attribute for mfmsr()

commit b416c9a10baae6a177b4f9ee858b8d309542fbef upstream.

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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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