From: Paul Gortmaker <paul.gortmaker@windriver.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Chris Metcalf <cmetcalf@tilera.com>,
Christoph Lameter <cl@linux.com>,
Geoff Levand <geoff@infradead.org>,
Gilad Ben Yossef <gilad@benyossef.com>,
Hakan Akkan <hakanakkan@gmail.com>,
Kevin Hilman <khilman@linaro.org>,
Li Zhong <zhong@linux.vnet.ibm.com>,
Namhyung Kim <namhyung.kim@lge.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot
Date: Thu, 28 Mar 2013 22:02:38 -0400 [thread overview]
Message-ID: <20130329020238.GC3444@windriver.com> (raw)
In-Reply-To: <CAFTL4hzz1jKu0tZn=-d0_csvYM_m9L+eRpw1qmmn30iC7cU=BQ@mail.gmail.com>
[Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot] On 29/03/2013 (Fri 01:39) Frederic Weisbecker wrote:
> 2013/3/29 Paul Gortmaker <paul.gortmaker@windriver.com>:
> > [Re: [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot] On 28/03/2013 (Thu 08:40) Ingo Molnar wrote:
> >
> >>
> >> * Frederic Weisbecker <fweisbec@gmail.com> wrote:
> >>
> >> > + cpulist_scnprintf(nohz_ext_buf, sizeof(nohz_ext_buf), nohz_extended_mask);
> >> > + pr_info("NO_HZ: Experimental full dynticks CPUs: %s.\n", nohz_ext_buf);
> >>
> >> I'd suggest removing the 'experimental' word. We are not sending anything
> >> experimental to Linus: we'll send something that is tested and that we
> >> expect to not break anything. (and which we'll fix if it does)
> >
> > In that case, should we vector a patch through PaulM to clobber these too?
> >
> > $ git grep xperiment |grep rcu
> > kernel/rcutree_plugin.h: printk(KERN_INFO "\tExperimental boot-time adjustment of leaf fanout to %d.\n", rcu_fanout_leaf);
> > kernel/rcutree_plugin.h: pr_info("\tExperimental no-CBs CPUs: %s.\n", nocb_buf);
> > kernel/rcutree_plugin.h: pr_info("\tExperimental polled no-CBs CPUs.\n");
>
> Hehe, that's indeed what I inspired from ;-)
I was guessing exactly that, which is why I mentioned it. :)
P.
--
next prev parent reply other threads:[~2013-03-29 2:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-27 15:32 [PATCH 0/4] nohz: Full dynticks fixes/improvements Frederic Weisbecker
2013-03-27 15:32 ` [PATCH 1/4] nohz: Force boot CPU outside full dynticks range Frederic Weisbecker
2013-03-28 7:38 ` Ingo Molnar
2013-03-28 13:08 ` Frederic Weisbecker
2013-03-27 15:32 ` [PATCH 2/4] nohz: Print final full dynticks CPUs range on boot Frederic Weisbecker
2013-03-28 7:40 ` Ingo Molnar
2013-03-28 13:12 ` Frederic Weisbecker
2013-03-29 0:25 ` Paul Gortmaker
2013-03-29 0:39 ` Frederic Weisbecker
2013-03-29 2:00 ` Paul E. McKenney
2013-03-29 2:08 ` Paul Gortmaker
2013-03-29 3:51 ` Paul E. McKenney
2013-03-29 2:02 ` Paul Gortmaker [this message]
2013-03-27 15:32 ` [PATCH 3/4] nohz: Ensure full dynticks CPUs are RCU nocbs Frederic Weisbecker
2013-03-27 15:32 ` [PATCH 4/4] nohz: New option to force all CPUs in full dynticks range Frederic Weisbecker
2013-03-28 7:45 ` Ingo Molnar
2013-03-28 13:43 ` Frederic Weisbecker
2013-03-30 9:10 ` Ingo Molnar
2013-04-02 13:09 ` Frederic Weisbecker
2013-04-08 14:57 ` Christoph Lameter
2013-04-09 13:22 ` Paul Gortmaker
2013-04-09 14:35 ` Christoph Lameter
2013-04-11 15:19 ` Frederic Weisbecker
2013-04-11 15:37 ` Paul E. McKenney
2013-04-11 15:53 ` Frederic Weisbecker
2013-04-11 16:10 ` Paul E. McKenney
2013-04-11 16:41 ` Christoph Lameter
2013-04-11 17:04 ` Frederic Weisbecker
2013-04-11 17:11 ` Paul E. McKenney
2013-04-11 17:28 ` Frederic Weisbecker
2013-04-11 19:17 ` Paul E. McKenney
2013-04-12 15:59 ` Christoph Lameter
2013-04-15 10:27 ` Ingo Molnar
2013-04-15 16:11 ` Christoph Lameter
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