[PATCH] x86_64: fix sync before RDTSC on Intel cpus

[sfrench/cifs-2.6.git] / include / asm-x86_64 / timex.h

diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h
index f18443fcdf04c9a0570727e82b2f6d2d221d07f2..b9e5320b76252f06d86fac9f1ac36eeaaa41233b 100644 (file)
--- a/include/asm-x86_64/timex.h
+++ b/include/asm-x86_64/timex.h
@@ -33,7 +33,7 @@ static __always_inline cycles_t get_cycles_sync(void)
        unsigned eax;
        /* Don't do an additional sync on CPUs where we know
           RDTSC is already synchronous. */
-       alternative_io(ASM_NOP2, "cpuid", X86_FEATURE_SYNC_RDTSC,
+       alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
                          "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
        rdtscll(ret);
        return ret;