1 files changed, 3 insertions, 1 deletions

diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 6f6971da761..0fd93107ff9 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -406,8 +406,10 @@ out:
  * Make an educated guess if the TSC is trustworthy and synchronized
  * over all CPUs.
  */
-static __init int unsynchronized_tsc(void)
+__cpuinit int unsynchronized_tsc(void)
 {
+        if (!cpu_has_tsc || tsc_unstable)
+                return 1;
         /*
          * Intel systems are normally all synchronized.
          * Exceptions must mark TSC as unstable: