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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2015-09-22 16:34:21 +0200 |
|---|---|---|
| committer |   Scott Wood <oss@buserror.net> | 2016-03-04 21:47:27 -0600 |
| commit | 11dfbf588ae697bc5362c24294c2605f09c2d3d4 (patch) | |
| tree | 368aaffe292d69f3352d17816b7c445d6f78ea54 /arch/powerpc/include/asm/checksum.h | |
| parent | powerpc: unexport csum_tcpudp_magic (diff) | |
| download | linux-dev-11dfbf588ae697bc5362c24294c2605f09c2d3d4.tar.xz linux-dev-11dfbf588ae697bc5362c24294c2605f09c2d3d4.zip | |
powerpc: mark xer clobbered in csum_add()
addc uses carry so xer is clobbered in csum_add()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'arch/powerpc/include/asm/checksum.h')
| -rw-r--r-- | arch/powerpc/include/asm/checksum.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h index e8d9ef4755a4..d2ca07bb8837 100644 --- a/arch/powerpc/include/asm/checksum.h +++ b/arch/powerpc/include/asm/checksum.h @@ -141,7 +141,7 @@ static inline __wsum csum_add(__wsum csum, __wsum addend) #else asm("addc %0,%0,%1;" "addze %0,%0;" - : "+r" (csum) : "r" (addend)); + : "+r" (csum) : "r" (addend) : "xer"); return csum; #endif } |