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-rw-r--r--kernel/smpboot.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 71aa90b69f8f..60aa858a6a07 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -113,7 +113,8 @@ static int smpboot_thread_fn(void *data)
if (kthread_should_stop()) {
__set_current_state(TASK_RUNNING);
preempt_enable();
- if (ht->cleanup)
+ /* cleanup must mirror setup */
+ if (ht->cleanup && td->status != HP_THREAD_NONE)
ht->cleanup(td->cpu, cpu_online(td->cpu));
kfree(td);
return 0;
@@ -259,15 +260,6 @@ static void smpboot_destroy_threads(struct smp_hotplug_thread *ht)
{
unsigned int cpu;
- /* Unpark any threads that were voluntarily parked. */
- for_each_cpu_not(cpu, ht->cpumask) {
- if (cpu_online(cpu)) {
- struct task_struct *tsk = *per_cpu_ptr(ht->store, cpu);
- if (tsk)
- kthread_unpark(tsk);
- }
- }
-
/* We need to destroy also the parked threads of offline cpus */
for_each_possible_cpu(cpu) {
struct task_struct *tsk = *per_cpu_ptr(ht->store, cpu);