[MIPS] TXx9: Reorganize PCI code

[linux-2.6-omap-h63xx.git] / kernel / cpuset.c

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 64a05da9bc4ca3137c818d99eb7049bc2f183c03..459d601947a82a29693bbaa7444c74542311919e 100644 (file)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1894,7 +1894,7 @@ static void scan_for_empty_cpusets(const struct cpuset *root)
  * in order to minimize text size.
  */
 
-static void common_cpu_mem_hotplug_unplug(void)
+static void common_cpu_mem_hotplug_unplug(int rebuild_sd)
 {
        cgroup_lock();
 
@@ -1906,7 +1906,8 @@ static void common_cpu_mem_hotplug_unplug(void)
         * Scheduler destroys domains on hotplug events.
         * Rebuild them based on the current settings.
         */
-       rebuild_sched_domains();
+       if (rebuild_sd)
+               rebuild_sched_domains();
 
        cgroup_unlock();
 }
@@ -1924,11 +1925,22 @@ static void common_cpu_mem_hotplug_unplug(void)
 static int cpuset_handle_cpuhp(struct notifier_block *unused_nb,
                                unsigned long phase, void *unused_cpu)
 {
-       if (phase == CPU_DYING || phase == CPU_DYING_FROZEN)
+       switch (phase) {
+       case CPU_UP_CANCELED:
+       case CPU_UP_CANCELED_FROZEN:
+       case CPU_DOWN_FAILED:
+       case CPU_DOWN_FAILED_FROZEN:
+       case CPU_ONLINE:
+       case CPU_ONLINE_FROZEN:
+       case CPU_DEAD:
+       case CPU_DEAD_FROZEN:
+               common_cpu_mem_hotplug_unplug(1);
+               break;
+       default:
                return NOTIFY_DONE;
+       }
 
-       common_cpu_mem_hotplug_unplug();
-       return 0;
+       return NOTIFY_OK;
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG
@@ -1941,7 +1953,7 @@ static int cpuset_handle_cpuhp(struct notifier_block *unused_nb,
 
 void cpuset_track_online_nodes(void)
 {
-       common_cpu_mem_hotplug_unplug();
+       common_cpu_mem_hotplug_unplug(0);
 }
 #endif