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(parent: aaa8f76) | patch
powerpc: Add "memory" attribute for mfmsr()
authorTiejun Chen <tiejun.chen@windriver.com>
Wed, 11 Jul 2012 04:22:46 +0000 (14:22 +1000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 11 Jul 2012 05:25:45 +0000 (15:25 +1000)
commitc3a02ba3e2bd190b420b110f2eae982922a29cee
treeb7e0ce85a57e83e19fccf8ce686ec4b41b00d2ectree | snapshot
parentaaa8f768546af3b4f597a071a5dbc108dace182ecommit | diff
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
arch/powerpc/include/asm/reg.h diff | blob | history
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