lkml.org 
[lkml]   [2018]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] locking/rwsem: Avoid issuing wakeup before setting the reader waiter to nil
On Thu, 29 Nov 2018, Peter Zijlstra wrote:

>On Thu, Nov 29, 2018 at 12:58:26PM -0500, Waiman Long wrote:
>> OK, you convinced me. However, that can still lead to anonymous wakeups
>> that can be problematic if it happens in certain places. Should we try
>> to reduce anonymous wakeup as much as possible?
>
>No, we should at all times accept and expect spurious wakeups.

Right, when this was merged, spurious wakeups were acknowledged as quite
possible.

\
 
 \ /
  Last update: 2018-11-29 19:17    [W:0.137 / U:0.508 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site