lkml.org 
[lkml]   [2020]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH tip/core/rcu 0/5] Provide SRCU polling grace-period interfaces
On Fri, Nov 20, 2020 at 08:05:53PM -0500, Steven Rostedt wrote:
> On Fri, 20 Nov 2020 16:58:09 -0800
> "Paul E. McKenney" <paulmck@kernel.org> wrote:
>
> > OK, maybe no one needs it, but rcutorture does need it, so here
> > it is anyway.
>
> Ah, so there was a use case. I was scratching my head a bit before
> reading this ;-)

Indeed, the overhead of start_poll_synchronize_srcu() is a killer for
some parts of rcutorture, plus those parts don't care if no grace period
gets started...

Thanx, Paul

\
 
 \ /
  Last update: 2020-11-21 02:14    [W:0.270 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site