lkml.org 
[lkml]   [2019]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] workqueue: Use normal rcu
On 2019-03-13 17:55:47 [+0100], To linux-kernel@vger.kernel.org wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
>
> There is no need for sched_rcu. The undocumented reason why sched_rcu
> is used is to avoid a few explicit rcu_read_lock()/unlock() pairs by
> the fact that sched_rcu reader side critical sections are also protected
> by preempt or irq disabled regions.
>
> Replace rcu_read_lock_sched with rcu_read_lock and acquire the RCU lock
> where it is not yet explicit acquired. Replace local_irq_disable() with
> rcu_read_lock(). Update asserts.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> [bigeasy: mangle changelog a little]
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

A gentle ping.

Sebastian

\
 
 \ /
  Last update: 2019-03-21 22:00    [W:0.093 / U:29.736 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site