Re: [PATCH 1/1] io_uring: fix infinite wait in khread_park() on io_finish_async()

[Roman Penyaev]

On 2019-05-14 11:17, Roman Penyaev wrote:

I see. Do you think it makes sense to fix this is kthread? With something

as the following:

diff --git a/kernel/kthread.c b/kernel/kthread.c
index be4e8795561a..191f8be5c9e0 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -472,6 +472,10 @@ void kthread_unpark(struct task_struct *k)
 {
        struct kthread *kthread = to_kthread(k);

+       if (!__kthread_should_park(k))
+               /* Nop if thread was never parked */
+               break;

return of course, not break.

--
Roman