On Tue, Mar 5, 2013 at 9:48 AM, Oleg Nesterov <o...@redhat.com> wrote: > On 03/05, Mandeep Singh Baines wrote: >> >> @@ -2462,13 +2462,13 @@ static int hotkey_kthread(void *data) >> unsigned int poll_freq; >> bool was_frozen; >> >> + set_freezable(); >> + >> mutex_lock(&hotkey_thread_mutex); >> >> if (tpacpi_lifecycle == TPACPI_LIFE_EXITING) >> goto exit; >> >> - set_freezable(); >> - > > I don't understand this code... but don't we have the same problem > with kthread_freezable_should_stop() below? It can call __refrigerator() > too under the same lock. >
I don't think the lock is held at that point. There is an unlock right before entering the while loop and at the bottom of the loop. > Oleg. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
