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(parent: a8ed576) | patch
powerpc: Add "memory" attribute for mfmsr()
authorTiejun Chen <tiejun.chen@windriver.com>
Wed, 11 Jul 2012 04:22:46 +0000 (14:22 +1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Aug 2012 15:27:33 +0000 (08:27 -0700)
commit93487ce8d6edc7c550b1449770df5e44715f520f
tree3de2fb856535fa71ab23f30ce8098e56ed9806d5tree | snapshot
parenta8ed5765b5a8bf44a86284d80afd24f37a23e369commit | diff
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/powerpc/include/asm/reg.h diff | blob | history
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