Re: random: Wake up all getrandom(2) callers when pool is ready

From: Stephan Mueller
Date: Thu May 21 2015 - 04:36:56 EST


Am Donnerstag, 21. Mai 2015, 16:19:54 schrieb Herbert Xu:

Hi Herbert,

>On Thu, May 21, 2015 at 09:55:17AM +0200, Stephan Mueller wrote:
>> So, I will create a 2nd wait queue in random.c for uninterruptible waits,
>> change the get_blocking_random_bytes back to void and use wait_event to
>> wait
>> for the initialization.
>
>Hold your horses. You don't need a second queue, you just need to
>change wake_up_interruptible to wake_up.

A simple change to wake_up is not working -- I already checked. But the
proposed wake_up_all does the trick.


Ciao
Stephan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/