1 files changed, 4 insertions, 9 deletions

diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 6cb8f5336732..f64b81f3033b 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -200,13 +200,10 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
 {
         struct cpufreq_freqs *freq = data;
 
-        if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
-                write_seqlock_irq(&xtime_lock);
-
         if (!ref_freq) {
                 if (!freq->old){
                         ref_freq = freq->new;
-                        goto end;
+                        return 0;
                 }
                 ref_freq = freq->old;
                 loops_per_jiffy_ref = cpu_data[freq->cpu].loops_per_jiffy;
@@ -233,13 +230,10 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
                                  * TSC based sched_clock turns
                                  * to junk w/ cpufreq
                                  */
-                                mark_tsc_unstable();
+                                mark_tsc_unstable("cpufreq changes");
                         }
                 }
         }
-end:
-        if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
-                write_sequnlock_irq(&xtime_lock);
 
         return 0;
 }
@@ -281,11 +275,12 @@ static struct clocksource clocksource_tsc = {
                                   CLOCK_SOURCE_MUST_VERIFY,
 };
 
-void mark_tsc_unstable(void)
+void mark_tsc_unstable(char *reason)
 {
         if (!tsc_unstable) {
                 tsc_unstable = 1;
                 tsc_enabled = 0;
+                printk("Marking TSC unstable due to: %s.\n", reason);
                 /* Can be called before registration */
                 if (clocksource_tsc.mult)
                         clocksource_change_rating(&clocksource_tsc, 0);