From: Steven Rostedt <rostedt@goodmis.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: There is a Tasks RCU stall warning
Date: Wed, 12 Apr 2017 13:13:25 -0400 [thread overview]
Message-ID: <20170412131325.7c18389d@gandalf.local.home> (raw)
In-Reply-To: <20170412170716.GK3956@linux.vnet.ibm.com>
On Wed, 12 Apr 2017 10:07:16 -0700
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> > > OK, will optimize it a bit. When are you planning to get this in?
> > >
> >
> > Well, I added the use case for synchronize_rcu_tasks() in my current
> > for-next. I'll have to make sure I get the schedule_idle() in as well
> > as my update to the event benchmark thread as well.
> >
> > I don't think anything will truly break without it yet. But that's
> > assuming there's not another kernel thread somewhere that just spins
> > calling schedule.
> >
> > And this patch will still speed up those that do call
> > synchronize_rcu_tasks(). But that's an optimization and not really a
> > fix.
>
> The upcoming v4.12 merge window, then?
Yep.
-- Steve
next prev parent reply other threads:[~2017-04-12 17:13 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-11 21:18 There is a Tasks RCU stall warning Paul E. McKenney
2017-04-11 21:21 ` Steven Rostedt
2017-04-11 21:32 ` Paul E. McKenney
2017-04-11 21:31 ` Steven Rostedt
2017-04-11 21:34 ` Steven Rostedt
2017-04-11 21:39 ` Steven Rostedt
2017-04-11 21:44 ` Paul E. McKenney
2017-04-11 21:49 ` Steven Rostedt
2017-04-11 21:56 ` Paul E. McKenney
2017-04-11 22:15 ` Steven Rostedt
2017-04-11 23:01 ` Paul E. McKenney
2017-04-11 23:04 ` Paul E. McKenney
2017-04-11 23:11 ` Paul E. McKenney
2017-04-12 3:23 ` Paul E. McKenney
2017-04-12 13:18 ` Steven Rostedt
2017-04-12 14:19 ` Paul E. McKenney
2017-04-12 14:42 ` Steven Rostedt
2017-04-12 15:18 ` Paul E. McKenney
2017-04-12 15:53 ` Steven Rostedt
2017-04-12 16:26 ` Paul E. McKenney
2017-04-12 16:49 ` Steven Rostedt
2017-04-12 14:48 ` Paul E. McKenney
2017-04-12 14:59 ` Steven Rostedt
2017-04-12 16:27 ` Paul E. McKenney
2017-04-12 16:57 ` Steven Rostedt
2017-04-12 17:07 ` Paul E. McKenney
2017-04-12 17:13 ` Steven Rostedt [this message]
2017-04-12 20:02 ` Paul E. McKenney
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170412131325.7c18389d@gandalf.local.home \
--to=rostedt@goodmis.org \
--cc=linux-kernel@vger.kernel.org \
--cc=paulmck@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).