Commit-ID: 66928b4eb92dfb6d87c204238057b9278b36452b Gitweb: http://git.kernel.org/tip/66928b4eb92dfb6d87c204238057b9278b36452b Author: H. Peter Anvin <[email protected]> AuthorDate: Wed, 8 Jun 2016 12:38:45 -0700 Committer: H. Peter Anvin <[email protected]> CommitDate: Wed, 8 Jun 2016 12:41:20 -0700
x86, asm, boot: Use CC_SET()/CC_OUT() in arch/x86/boot/boot.h Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in arch/x86/boot/boot.h. Signed-off-by: H. Peter Anvin <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Reviewed-by: Andy Lutomirski <[email protected]> Reviewed-by: Borislav Petkov <[email protected]> Acked-by: Peter Zijlstra (Intel) <[email protected]> --- arch/x86/boot/boot.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index 2edb2d5..7c1495f 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -24,6 +24,7 @@ #include <linux/types.h> #include <linux/edd.h> #include <asm/setup.h> +#include <asm/asm.h> #include "bitops.h" #include "ctype.h" #include "cpuflags.h" @@ -179,15 +180,15 @@ static inline void wrgs32(u32 v, addr_t addr) static inline bool memcmp_fs(const void *s1, addr_t s2, size_t len) { bool diff; - asm volatile("fs; repe; cmpsb; setnz %0" - : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); + asm volatile("fs; repe; cmpsb" CC_SET(nz) + : CC_OUT(nz) (diff), "+D" (s1), "+S" (s2), "+c" (len)); return diff; } static inline bool memcmp_gs(const void *s1, addr_t s2, size_t len) { bool diff; - asm volatile("gs; repe; cmpsb; setnz %0" - : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); + asm volatile("gs; repe; cmpsb" CC_SET(nz) + : CC_OUT(nz) (diff), "+D" (s1), "+S" (s2), "+c" (len)); return diff; }
