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authorBorislav Petkov <bp@suse.de>2015-01-18 17:19:55 +0300
committerBorislav Petkov <bp@suse.de>2015-02-23 15:44:17 +0300
commitc70e1b475f37f07ab7181ad28458666d59aae634 (patch)
tree4f044d42d853c17dc1552adcd210815a6e06eca6 /arch/x86/um/asm
parent6620ef28c812b4782b10adb676580c2847d2bec8 (diff)
downloadlinux-c70e1b475f37f07ab7181ad28458666d59aae634.tar.xz
x86/asm: Use alternative_2() in rdtsc_barrier()
... now that we have it. Acked-by: Andy Lutomirski <luto@amacapital.net> Cc: Richard Weinberger <richard@nod.at> Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/um/asm')
-rw-r--r--arch/x86/um/asm/barrier.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h
index 2d7d9a1f5b53..8ffd2146fa6a 100644
--- a/arch/x86/um/asm/barrier.h
+++ b/arch/x86/um/asm/barrier.h
@@ -64,8 +64,8 @@
*/
static inline void rdtsc_barrier(void)
{
- alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);
- alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
+ alternative_2("", "mfence", X86_FEATURE_MFENCE_RDTSC,
+ "lfence", X86_FEATURE_LFENCE_RDTSC);
}
#endif