From: Ingo Molnar <mingo@kernel.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: 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>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [GIT PULL] nohz: Full dynticks base interface
Date: Sun, 24 Mar 2013 09:17:01 +0100 [thread overview]
Message-ID: <20130324081701.GA13328@gmail.com> (raw)
In-Reply-To: <1363879460-21595-1-git-send-email-fweisbec@gmail.com>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> Hi Ingo,
>
> This settles the initial ground to start a special full dynticks tree in -tip
> that we can iterate incrementally to accelerate the development.
> It is based on tip:sched/core.
>
> I tried to rearrange a bit the naming. We are probably not yet done with
> that but I guess we can fix it along with the rest.
>
> Please pull from:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> full-dynticks-for-mingo
>
> Changes on these commits since they were part of 3.9-rc1-nohz1:
>
> * Force a timekeeping CPU over the full dynticks range
> * Rename CONFIG_NO_HZ_FULL to CONFIG_NO_HZ_EXTENDED
> * Following *_nohz_extended_* APIs renames
> * Handle CPU hotplug for timekeeping
> * Rename full_nohz= kernel parameter to nohz_extended=
Note that boot parameters suck for pretty much any purpose but quirks -
please also add a (default off!) Kconfig option to easily enable
nohz_extended for all CPUs.
That way I will be able to test it automatically via randconfig and such.
My next question/request after that would be: could we make sure that
enabling this option does not break any applications or kernel
functionality, ASAP? Once that is offered, it becomes pushable to v3.10 I
think.
Meanwhile I have pulled your tree into tip:sched/nohz to stage and test
it, in the hope that it becomes mergable quickly! :-)
Thanks,
Ingo
next prev parent reply other threads:[~2013-03-24 8:17 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 15:24 [GIT PULL] nohz: Full dynticks base interface Frederic Weisbecker
2013-03-21 15:24 ` [PATCH 1/3] nohz: Basic full dynticks interface Frederic Weisbecker
2013-03-21 15:24 ` [PATCH 2/3] nohz: Assign timekeeping duty to a CPU outside the full dynticks range Frederic Weisbecker
2013-03-21 15:24 ` [PATCH 3/3] nohz: Wake up full dynticks CPUs when a timer gets enqueued Frederic Weisbecker
2013-03-24 8:17 ` Ingo Molnar [this message]
2013-03-24 14:46 ` [GIT PULL] nohz: Full dynticks base interface Frederic Weisbecker
2013-03-25 17:02 ` Paul E. McKenney
2013-03-25 17:12 ` Frederic Weisbecker
2013-03-25 17:18 ` Paul E. McKenney
2013-03-26 23:48 ` Frederic Weisbecker
2013-03-27 1:23 ` Paul E. McKenney
2013-03-26 8:15 ` Ingo Molnar
2013-03-26 12:39 ` Frederic Weisbecker
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