lkml.org 
[lkml]   [2022]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC 06/10] rcu/hotplug: Make rcutree_dead_cpu() parallel
On 8/22/22, Pingfan Liu <kernelfans@gmail.com> wrote:
> On Mon, Aug 22, 2022 at 02:08:38PM -0400, Joel Fernandes wrote:
>> On Sun, Aug 21, 2022 at 10:16 PM Pingfan Liu <kernelfans@gmail.com>
>> wrote:
>> >
>> > In order to support parallel, rcu_state.n_online_cpus should be
>> > atomic_dec()
>>
>> What does Parallel mean? Is that some kexec terminology?
>>
>
> 'Parallel' means concurrent. It is not a kexec terminology, instead,
> should be SMP.

Only sort of. See section A.6 of Paul 's book:
http://kernel.org/pub/linux/kernel/people/paulmck/perfbook/perfbook.html

Jason

\
 
 \ /
  Last update: 2022-08-24 15:51    [W:0.511 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site