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(parent: 2cdb31f) | 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 15:31:27 +0000 (08:31 -0700)
commita461394c31c5aa3c8cfe98dd0dc35f6b56047770
tree8a1027c89bb12e5dca2e7bf9a23e880ce9abe68dtree | snapshot
parent2cdb31f3c09f2bdd10d520a24def87d90c0030bacommit | 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
Linux kernels and configurations used by Zygo.