---

yaml --- r: 202527 b: refs/heads/master c: a665df9 h: refs/heads/master i: 202525: ff99abe 202523: 84ef834 202519: b62cd6e 202511: 5f9bd8e 202495: f7e0dc1 v: v3
git-mirror · Aug 3, 2010 · 98d2876 · 98d2876
1 parent 0f2fd4a
commit 98d2876
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 226528c6100e4191842e61997110c8ace40605f7
+refs/heads/master: a665df9d510bfd5bac5664f436411f921471264a
diff --git a/trunk/drivers/cpufreq/cpufreq_ondemand.c b/trunk/drivers/cpufreq/cpufreq_ondemand.c
@@ -609,7 +609,9 @@ static void do_dbs_timer(struct work_struct *work)
 	/* We want all CPUs to do sampling nearly on same jiffy */
 	int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);
 
-	delay -= jiffies % delay;
+	if (num_online_cpus() > 1)
+		delay -= jiffies % delay;
+
 	mutex_lock(&dbs_info->timer_mutex);
 
 	/* Common NORMAL_SAMPLE setup */
@@ -634,7 +636,9 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 {
 	/* We want all CPUs to do sampling nearly on same jiffy */
 	int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate);
-	delay -= jiffies % delay;
+
+	if (num_online_cpus() > 1)
+		delay -= jiffies % delay;
 
 	dbs_info->sample_type = DBS_NORMAL_SAMPLE;
 	INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer);