1 files changed, 11 insertions, 7 deletions

diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index bff8dd191dd5..8bc64cfbe936 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -36,6 +36,7 @@
 
 static DEFINE_PER_CPU(__u64, next_check) = INITIAL_JIFFIES;
 static DEFINE_PER_CPU(unsigned long, thermal_throttle_count);
+static DEFINE_PER_CPU(bool, thermal_throttle_active);
 
 static atomic_t therm_throt_en          = ATOMIC_INIT(0);
 
@@ -96,24 +97,27 @@ static int therm_throt_process(int curr)
 {
         unsigned int cpu = smp_processor_id();
         __u64 tmp_jiffs = get_jiffies_64();
+        bool was_throttled = __get_cpu_var(thermal_throttle_active);
+        bool is_throttled = __get_cpu_var(thermal_throttle_active) = curr;
 
-        if (curr)
+        if (is_throttled)
                 __get_cpu_var(thermal_throttle_count)++;
 
-        if (time_before64(tmp_jiffs, __get_cpu_var(next_check)))
+        if (!(was_throttled ^ is_throttled) &&
+            time_before64(tmp_jiffs, __get_cpu_var(next_check)))
                 return 0;
 
         __get_cpu_var(next_check) = tmp_jiffs + CHECK_INTERVAL;
 
         /* if we just entered the thermal event */
-        if (curr) {
+        if (is_throttled) {
                 printk(KERN_CRIT "CPU%d: Temperature above threshold, "
-                       "cpu clock throttled (total events = %lu)\n", cpu,
-                       __get_cpu_var(thermal_throttle_count));
+                       "cpu clock throttled (total events = %lu)\n",
+                       cpu, __get_cpu_var(thermal_throttle_count));
 
                 add_taint(TAINT_MACHINE_CHECK);
-        } else {
-                printk(KERN_CRIT "CPU%d: Temperature/speed normal\n", cpu);
+        } else if (was_throttled) {
+                printk(KERN_INFO "CPU%d: Temperature/speed normal\n", cpu);
         }
 
         return 1;