Re: [RFC PATCH 00/10] pipe: Notification queue preparation [ver #2]

From: Peter Zijlstra
Date: Thu Oct 24 2019 - 09:15:01 EST


On Wed, Oct 23, 2019 at 09:17:04PM +0100, David Howells wrote:

> (1) It removes the nr_exclusive argument from __wake_up_sync_key() as this
> is always 1. This prepares for step 2.
>
> (2) Adds wake_up_interruptible_sync_poll_locked() so that poll can be
> woken up from a function that's holding the poll waitqueue spinlock.

> include/linux/wait.h | 11 +-
> kernel/sched/wait.c | 37 ++++--
>

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>