Commit 11dfbf58 authored Sep 22, 2015 by Christophe Leroy Committed by Scott Wood Mar 04, 2016

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>

parent e0f82bdf

arch/powerpc/include/asm/checksum.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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
		}