---

yaml --- r: 147595 b: refs/heads/master c: f38b082 h: refs/heads/master i: 147593: 5abdcf6 147591: 254571b v: v3
git-mirror · Jun 2, 2009 · 3a17c7f · 3a17c7f
1 parent dc9775c
commit 3a17c7f
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Showing 3 changed files with 9 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 10a2825514a988225ac2e336c7a9502c4ca57c39
+refs/heads/master: f38b082081bf69a06fffb8b32a175999e2320c5b
diff --git a/trunk/kernel/perf_counter.c b/trunk/kernel/perf_counter.c
@@ -3902,8 +3902,12 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
 	return NOTIFY_OK;
 }
 
+/*
+ * This has to have a higher priority than migration_notifier in sched.c.
+ */
 static struct notifier_block __cpuinitdata perf_cpu_nb = {
 	.notifier_call		= perf_cpu_notify,
+	.priority		= 20,
 };
 
 void __init perf_counter_init(void)

diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
@@ -7319,8 +7319,10 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
 	return NOTIFY_OK;
 }
 
-/* Register at highest priority so that task migration (migrate_all_tasks)
- * happens before everything else.
+/*
+ * Register at high priority so that task migration (migrate_all_tasks)
+ * happens before everything else.  This has to be lower priority than
+ * the notifier in the perf_counter subsystem, though.
  */
 static struct notifier_block __cpuinitdata migration_notifier = {
 	.notifier_call = migration_call,