diff options
Diffstat (limited to 'kernel/kthread.c')
| -rw-r--r-- | kernel/kthread.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c index f7be976ff88a..9bb36897b6c6 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -623,6 +623,8 @@ void kthread_unpark(struct task_struct *k) { struct kthread *kthread = to_kthread(k); + if (!test_bit(KTHREAD_SHOULD_PARK, &kthread->flags)) + return; /* * Newly created kthread was parked when the CPU was offline. * The binding was lost and we need to set it again. @@ -845,8 +847,16 @@ repeat: * event only cares about the address. */ trace_sched_kthread_work_execute_end(work, func); - } else if (!freezing(current)) + } else if (!freezing(current)) { schedule(); + } else { + /* + * Handle the case where the current remains + * TASK_INTERRUPTIBLE. try_to_freeze() expects + * the current to be TASK_RUNNING. + */ + __set_current_state(TASK_RUNNING); + } try_to_freeze(); cond_resched(); |