lkml.org 
[lkml]   [2013]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC nohz_full v2 2/7] nohz_full: Add rcu_dyntick data for scalable detection of all-idle state
On Fri, Jun 28, 2013 at 01:10:17PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
>
> This commit adds fields to the rcu_dyntick structure that are used to
> detect idle CPUs. These new fields differ from the existing ones in
> that the existing ones consider a CPU executing in user mode to be idle,
> where the new ones consider CPUs executing in user mode to be busy.

Can you explain, both in the commit messages and in the comments added
by the next commit, *why* this code doesn't consider userspace a
quiescent state?

- Josh Triplett


\
 
 \ /
  Last update: 2013-07-01 18:01    [W:0.122 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site