diff options
| author | Mike Galbraith <efault@gmx.de> | 2010-10-01 06:27:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-28 21:44:16 -0700 |
| commit | c6e6bb4981ea1c05304f18dc618f0b08f9c965b4 (patch) | |
| tree | 77ef1392a254eda9a179f256a80c9d74b59e293f | |
| parent | 3a70a5068d0fc1e1d4b992a8c40479b62b0666db (diff) | |
fix 2.6.32.23 suspend regression caused by commit 6f6198a
[Not upstream in the same way, as it was fixed differently there]
6f6198a sched: kill migration thread in CPU_POST_DEAD instead of CPU_DEAD
leaves migration threads lying about. Mask out CPU_TASKS_FROZEN.
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | kernel/sched.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 34808226bd8b..a675fd64a036 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -7752,10 +7752,9 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) unsigned long flags; struct rq *rq; - switch (action) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_UP_PREPARE: - case CPU_UP_PREPARE_FROZEN: p = kthread_create(migration_thread, hcpu, "migration/%d", cpu); if (IS_ERR(p)) return NOTIFY_BAD; @@ -7770,7 +7769,6 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) break; case CPU_ONLINE: - case CPU_ONLINE_FROZEN: /* Strictly unnecessary, as first user will wake it. */ wake_up_process(cpu_rq(cpu)->migration_thread); @@ -7787,7 +7785,6 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) #ifdef CONFIG_HOTPLUG_CPU case CPU_UP_CANCELED: - case CPU_UP_CANCELED_FROZEN: if (!cpu_rq(cpu)->migration_thread) break; /* Unbind it from offline cpu so it can run. Fall thru. */ @@ -7812,7 +7809,6 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) break; case CPU_DEAD: - case CPU_DEAD_FROZEN: migrate_live_tasks(cpu); rq = cpu_rq(cpu); /* Idle task back to normal (off runqueue, low prio) */ @@ -7846,7 +7842,6 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) break; case CPU_DYING: - case CPU_DYING_FROZEN: /* Update our root-domain */ rq = cpu_rq(cpu); spin_lock_irqsave(&rq->lock, flags); |