From: Andrew Morton <akpm@linux-foundation.org>
To: paulmck@linux.vnet.ibm.com
Cc: Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@kernel.org>,
Chris Metcalf <cmetcalf@ezchip.com>,
Gilad Ben Yossef <giladb@ezchip.com>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>, Tejun Heo <tj@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Lameter <cl@linux.com>,
"Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
linux-doc@vger.kernel.org, linux-api@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] support "dataplane" mode for nohz_full
Date: Mon, 11 May 2015 10:27:44 -0700 [thread overview]
Message-ID: <20150511102744.9ebb2d05a7e8b457d03430bf@linux-foundation.org> (raw)
In-Reply-To: <20150511171916.GN6776@linux.vnet.ibm.com>
On Mon, 11 May 2015 10:19:16 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> On Mon, May 11, 2015 at 08:57:59AM -0400, Steven Rostedt wrote:
> >
> > NO_HZ_LEAVE_ME_THE_FSCK_ALONE!
>
> NO_HZ_OVERFLOWING?
Actually, "NO_HZ" shouldn't appear in the name at all. The objective
is to permit userspace to execute without interruption. NO_HZ is a
part of that, as is NO_INTERRUPTS. The "NO_HZ" thing is a historical
artifact from an early partial implementation.
next prev parent reply other threads:[~2015-05-11 17:27 UTC|newest]
Thread overview: 159+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 17:58 [PATCH 0/6] support "dataplane" mode for nohz_full Chris Metcalf
2015-05-08 17:58 ` [PATCH 1/6] nohz_full: add support for "dataplane" mode Chris Metcalf
2015-05-08 17:58 ` [PATCH 4/6] nohz: support PR_DATAPLANE_QUIESCE Chris Metcalf
[not found] ` <1431107927-13998-5-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-05-12 9:33 ` Peter Zijlstra
[not found] ` <20150512093349.GH21418-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2015-05-12 9:50 ` Ingo Molnar
[not found] ` <20150512095030.GD11477-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-12 10:38 ` Peter Zijlstra
2015-05-12 12:52 ` Ingo Molnar
2015-05-13 4:35 ` Andy Lutomirski
2015-05-13 17:51 ` Paul E. McKenney
[not found] ` <20150513175150.GL6776-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2015-05-14 20:55 ` Chris Metcalf
2015-05-14 20:54 ` Chris Metcalf
2015-05-08 17:58 ` [PATCH 5/6] nohz: support PR_DATAPLANE_STRICT mode Chris Metcalf
2015-05-09 7:28 ` Andy Lutomirski
2015-05-09 10:37 ` Gilad Ben Yossef
[not found] ` <CALCETrUoptUPVUxL87jUgry1pFac0rDPpnZ790zDKyK4a0FARA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-11 19:13 ` Chris Metcalf
2015-05-11 22:28 ` Andy Lutomirski
2015-05-12 21:06 ` Chris Metcalf
2015-05-12 22:23 ` Andy Lutomirski
2015-05-15 21:25 ` Chris Metcalf
2015-05-12 9:38 ` Peter Zijlstra
[not found] ` <20150512093858.GI21418-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2015-05-12 13:20 ` Paul E. McKenney
[not found] ` <1431107927-13998-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-05-08 21:18 ` [PATCH 0/6] support "dataplane" mode for nohz_full Andrew Morton
2015-05-08 21:22 ` Steven Rostedt
[not found] ` <20150508172210.559830a9-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2015-05-08 23:11 ` Chris Metcalf
2015-05-08 23:19 ` Andrew Morton
2015-05-09 7:05 ` Ingo Molnar
[not found] ` <20150509070538.GA9413-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-09 7:19 ` Andy Lutomirski
[not found] ` <CALCETrXavog018+xLacXeBLaMLjWtqk0bMU5fUzZ+pkwgu7Y3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-11 19:54 ` Chris Metcalf
[not found] ` <555108FC.3060200-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-05-11 22:15 ` Andy Lutomirski
[not found] ` <55510885.9070101@ezchip.com>
2015-05-12 13:18 ` Paul E. McKenney
2015-05-09 7:19 ` Mike Galbraith
[not found] ` <1431155983.3209.131.camel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-09 10:18 ` Gilad Ben Yossef
2015-05-11 12:57 ` Steven Rostedt
2015-05-11 15:36 ` Frederic Weisbecker
2015-05-11 19:19 ` Mike Galbraith
2015-05-11 19:25 ` Chris Metcalf
2015-05-12 1:47 ` Mike Galbraith
2015-05-12 4:35 ` Mike Galbraith
2015-05-11 17:19 ` Paul E. McKenney
2015-05-11 17:27 ` Andrew Morton [this message]
2015-05-11 17:33 ` Frederic Weisbecker
2015-05-11 18:00 ` Steven Rostedt
2015-05-11 18:09 ` Chris Metcalf
[not found] ` <5550F077.6030906-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-05-11 18:36 ` Steven Rostedt
2015-05-12 9:10 ` CONFIG_ISOLATION=y (was: [PATCH 0/6] support "dataplane" mode for nohz_full) Ingo Molnar
[not found] ` <20150512091032.GA10138-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-12 11:48 ` Peter Zijlstra
2015-05-12 12:34 ` Ingo Molnar
[not found] ` <20150512123440.GA16959-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-12 12:39 ` Peter Zijlstra
[not found] ` <20150512123912.GO21418-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2015-05-12 12:43 ` Ingo Molnar
2015-05-12 15:36 ` Frederic Weisbecker
2015-05-12 21:05 ` CONFIG_ISOLATION=y Chris Metcalf
[not found] ` <20150511085759.71deeb64-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2015-05-12 10:46 ` [PATCH 0/6] support "dataplane" mode for nohz_full Peter Zijlstra
2015-05-15 15:10 ` Chris Metcalf
2015-05-15 21:26 ` [PATCH v2 0/5] support "cpu_isolated" " Chris Metcalf
2015-05-15 21:27 ` [PATCH v2 1/5] nohz_full: add support for "cpu_isolated" mode Chris Metcalf
2015-05-15 21:27 ` [PATCH v2 2/5] nohz: support PR_CPU_ISOLATED_STRICT mode Chris Metcalf
[not found] ` <1431725251-20943-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-05-15 21:27 ` [PATCH v2 3/5] nohz: cpu_isolated strict mode configurable signal Chris Metcalf
2015-05-15 22:17 ` [PATCH v2 1/5] nohz_full: add support for "cpu_isolated" mode Thomas Gleixner
2015-05-28 20:38 ` Chris Metcalf
[not found] ` <1431725178-20876-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-06-03 15:29 ` [PATCH v3 0/5] support "cpu_isolated" mode for nohz_full Chris Metcalf
2015-06-03 15:29 ` [PATCH v3 2/5] nohz: support PR_CPU_ISOLATED_STRICT mode Chris Metcalf
[not found] ` <1433345365-29506-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-06-03 15:29 ` [PATCH v3 1/5] nohz_full: add support for "cpu_isolated" mode Chris Metcalf
2015-06-03 15:29 ` [PATCH v3 3/5] nohz: cpu_isolated strict mode configurable signal Chris Metcalf
2015-07-13 19:57 ` [PATCH v4 0/5] support "cpu_isolated" mode for nohz_full Chris Metcalf
2015-07-13 19:57 ` [PATCH v4 1/5] nohz_full: add support for "cpu_isolated" mode Chris Metcalf
2015-07-13 20:40 ` Andy Lutomirski
2015-07-13 21:01 ` Chris Metcalf
2015-07-13 21:45 ` Andy Lutomirski
2015-07-21 19:10 ` Chris Metcalf
2015-07-21 19:26 ` Andy Lutomirski
[not found] ` <CALCETrVoHvofNHG81Q2Vb2i1qc7f2dy=qgkyb5NWNfUgYxhE8Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-21 20:36 ` Paul E. McKenney
2015-07-22 13:57 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1507220856030.17411-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-07-22 19:28 ` Paul E. McKenney
2015-07-22 20:02 ` Christoph Lameter
2015-07-24 20:21 ` Chris Metcalf
2015-07-24 20:22 ` Chris Metcalf
2015-07-24 14:03 ` Frederic Weisbecker
2015-07-24 20:19 ` Chris Metcalf
2015-07-24 13:27 ` Frederic Weisbecker
2015-07-24 20:21 ` Chris Metcalf
2015-07-13 19:57 ` [PATCH v4 2/5] nohz: support PR_CPU_ISOLATED_STRICT mode Chris Metcalf
[not found] ` <1436817481-8732-3-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-07-13 21:47 ` Andy Lutomirski
[not found] ` <CALCETrUvg+Dix=jG2_1J=mgQC+uRk4dthCYDcb4E5ooEfQjqtQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-21 19:34 ` Chris Metcalf
[not found] ` <55AE9EAC.4010202-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-07-21 19:42 ` Andy Lutomirski
2015-07-24 20:29 ` Chris Metcalf
2015-07-13 19:57 ` [PATCH v4 3/5] nohz: cpu_isolated strict mode configurable signal Chris Metcalf
[not found] ` <1436817481-8732-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-07-28 19:49 ` [PATCH v5 0/6] support "cpu_isolated" mode for nohz_full Chris Metcalf
2015-07-28 19:49 ` [PATCH v5 2/6] cpu_isolated: add initial support Chris Metcalf
[not found] ` <1438112980-9981-3-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-08-12 16:00 ` Frederic Weisbecker
2015-08-12 18:22 ` Chris Metcalf
[not found] ` <55CB8ED1.6030806-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-08-26 15:26 ` Frederic Weisbecker
2015-08-26 15:55 ` Chris Metcalf
2015-07-28 19:49 ` [PATCH v5 3/6] cpu_isolated: support PR_CPU_ISOLATED_STRICT mode Chris Metcalf
2015-07-28 19:49 ` [PATCH v5 4/6] cpu_isolated: provide strict mode configurable signal Chris Metcalf
2015-08-25 19:55 ` [PATCH v6 0/6] support "task_isolated" mode for nohz_full Chris Metcalf
2015-08-25 19:55 ` [PATCH v6 2/6] task_isolation: add initial support Chris Metcalf
2015-08-25 19:55 ` [PATCH v6 3/6] task_isolation: support PR_TASK_ISOLATION_STRICT mode Chris Metcalf
2015-08-26 10:36 ` Will Deacon
2015-08-26 15:10 ` Chris Metcalf
[not found] ` <55DDD6EA.3070307-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-09-02 10:13 ` Will Deacon
2015-08-28 15:31 ` [PATCH v6.1 " Chris Metcalf
[not found] ` <1440532555-15492-1-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-08-25 19:55 ` [PATCH v6 4/6] task_isolation: provide strict mode configurable signal Chris Metcalf
2015-08-28 19:22 ` Andy Lutomirski
[not found] ` <20150902101347.GF25720-5wv7dgnIgG8@public.gmane.org>
2015-09-02 18:38 ` [PATCH v6.2 3/6] task_isolation: support PR_TASK_ISOLATION_STRICT mode Chris Metcalf
2015-09-28 15:17 ` [PATCH v7 00/11] support "task_isolated" mode for nohz_full Chris Metcalf
2015-09-28 15:17 ` [PATCH v7 02/11] task_isolation: add initial support Chris Metcalf
2015-10-01 12:14 ` Frederic Weisbecker
2015-10-01 12:18 ` Thomas Gleixner
2015-10-01 12:23 ` Frederic Weisbecker
2015-10-01 12:31 ` Thomas Gleixner
2015-10-01 17:02 ` Chris Metcalf
[not found] ` <560D6725.9000609-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-10-01 21:20 ` Thomas Gleixner
2015-10-02 17:15 ` Chris Metcalf
[not found] ` <560EBBC5.7000709-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-10-02 19:02 ` Thomas Gleixner
2015-10-01 19:25 ` Chris Metcalf
2015-09-28 15:17 ` [PATCH v7 03/11] task_isolation: support PR_TASK_ISOLATION_STRICT mode Chris Metcalf
[not found] ` <1443453446-7827-4-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-09-28 20:51 ` Andy Lutomirski
2015-09-28 21:54 ` Chris Metcalf
2015-09-28 22:38 ` Andy Lutomirski
2015-09-29 17:35 ` Chris Metcalf
[not found] ` <560ACBD9.90909-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-09-29 17:46 ` Andy Lutomirski
[not found] ` <CALCETrUp+8UG5dKLdybcmhhfzcyUP8h-RJHcG0Bo7Up=Rx6DVA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-29 17:57 ` Chris Metcalf
2015-09-29 18:00 ` Andy Lutomirski
[not found] ` <CALCETrVrHFh_wW_u0E+3mcN9J7_M+hAF59CdKOzKt3NT+gWJgg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-01 19:25 ` Chris Metcalf
2015-09-28 15:17 ` [PATCH v7 04/11] task_isolation: provide strict mode configurable signal Chris Metcalf
2015-09-28 20:54 ` Andy Lutomirski
[not found] ` <CALCETrXaWaUwWnOz16RAqjFP9tZm=tp74xWacXjqa36TWB9BfQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-28 21:54 ` Chris Metcalf
2015-10-20 20:35 ` [PATCH v8 00/14] support "task_isolation" mode for nohz_full Chris Metcalf
2015-10-20 20:36 ` [PATCH v8 04/14] task_isolation: add initial support Chris Metcalf
2015-10-20 20:56 ` Andy Lutomirski
[not found] ` <CALCETrWzhrYreizoKG0w6Jtz3RLFjNx9Qk_JLykcLLUQcCXBEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-20 21:20 ` Chris Metcalf
[not found] ` <5626B00E.3010309-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-10-20 21:26 ` Andy Lutomirski
[not found] ` <CALCETrX6e+mqfy-rNV3sA8xGVDNHviQ9vHBBhAPULeLecno7XQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-21 0:29 ` Steven Rostedt
2015-10-26 20:19 ` Chris Metcalf
2015-10-26 21:13 ` Chris Metcalf
2015-10-26 20:32 ` Chris Metcalf
[not found] ` <1445373372-6567-5-git-send-email-cmetcalf-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-10-21 16:12 ` Frederic Weisbecker
2015-10-27 16:40 ` Chris Metcalf
[not found] ` <562FA8FD.8080502-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2016-01-28 16:38 ` Frederic Weisbecker
2016-02-11 19:58 ` Chris Metcalf
2015-10-20 20:36 ` [PATCH v8 05/14] task_isolation: support PR_TASK_ISOLATION_STRICT mode Chris Metcalf
2015-10-20 20:36 ` [PATCH v8 06/14] task_isolation: provide strict mode configurable signal Chris Metcalf
2015-10-21 0:56 ` Steven Rostedt
[not found] ` <20151020205610.51b3d742-2kNGR76GQU9OHLTnHDQRgA@public.gmane.org>
2015-10-21 1:30 ` Chris Metcalf
2015-10-21 1:41 ` Steven Rostedt
2015-10-21 1:42 ` Andy Lutomirski
[not found] ` <CALCETrXqDi24EPn79X9SXuz+5sYGZBF3yCRzb8PwdL=YbxVujw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-21 6:41 ` Gilad Ben Yossef
2015-10-21 18:53 ` Andy Lutomirski
2015-10-22 20:44 ` Chris Metcalf
2015-10-22 21:00 ` Andy Lutomirski
[not found] ` <CALCETrVQXwYwhEwbJsvN18w8qD-qVVCQAa8b9RcXD=RmXSqLiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-27 19:37 ` Chris Metcalf
[not found] ` <CALCETrVuE_VCk-7_VMJ-orL8pg+0F5vq6qvt4SfgXzt_MRr-SQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-10-24 9:16 ` Gilad Ben Yossef
2015-10-21 12:39 ` [PATCH v8 00/14] support "task_isolation" mode for nohz_full Peter Zijlstra
2015-10-22 20:31 ` Chris Metcalf
2015-10-23 2:33 ` Frederic Weisbecker
2015-10-23 8:49 ` Peter Zijlstra
2015-10-23 13:29 ` Frederic Weisbecker
[not found] ` <562947B0.7050103-d5a29ZRxExrQT0dZR+AlfA@public.gmane.org>
2015-10-23 9:04 ` Peter Zijlstra
2015-10-23 11:52 ` Theodore Ts'o
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