[Xen-devel] [PATCH]cpufreq: don't re-init active dbs timer in S3 or cpu online

["Wei, Gang" <gang.wei@xxxxxxxxx>]

cpufreq: don't re-init active dbs timer in S3 or cpu online

Signed-off-by: Wei Gang <gang.wei@xxxxxxxxx>

diff -r 84da3d0314cd xen/drivers/cpufreq/cpufreq_ondemand.c
--- a/xen/drivers/cpufreq/cpufreq_ondemand.c    Thu Mar 25 18:29:27 2010 +0800
+++ b/xen/drivers/cpufreq/cpufreq_ondemand.c    Fri Mar 26 16:16:57 2010 +0800
@@ -196,8 +196,9 @@ static void dbs_timer_init(struct cpu_db
 {
     dbs_info->enable = 1;
 
-    init_timer(&dbs_timer[dbs_info->cpu], do_dbs_timer, 
-        (void *)dbs_info, dbs_info->cpu);
+    if ( !dbs_timer[dbs_info->cpu].function )
+        init_timer(&dbs_timer[dbs_info->cpu], do_dbs_timer, 
+            (void *)dbs_info, dbs_info->cpu);
 
     set_timer(&dbs_timer[dbs_info->cpu], NOW()+dbs_tuners_ins.sampling_rate);

Attachment: dbs_init_timer_once.patch
Description: dbs_init_timer_once.patch

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