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From: Ingo Molnar <mingo@kernel.org>
To: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Rik van Riel <riel@redhat.com>,
	Mike Galbraith <umgwanakikbuti@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] nohz: make nohz_full imply isolcpus
Date: Sun, 5 Apr 2015 07:05:37 +0200	[thread overview]
Message-ID: <20150405050537.GA26390@gmail.com> (raw)
In-Reply-To: <55201AC4.8000201@ezchip.com>


* Chris Metcalf <cmetcalf@ezchip.com> wrote:

> On 4/4/2015 10:10 AM, Rik van Riel wrote:
> >>Rik, what's the change you're proposing that's similar to this one? Thanks!
> >I don't have this particular one, and I like it.
> >
> >I know there are use cases where isolcpus= without
> >nohz_full= makes sense, but I cannot think of the
> >reverse.
> >
> >Acked-by: Rik van Riel<riel@redhat.com>
> 
> Thanks, I'll push it via the tile tree unless someone would prefer otherwise.

Yes, I'd prefer otherwise: please send the final, agreed upon patch to 
the timer tree.

> (The tick_nohz_full_set_cpus() and tick_nohz_full_clear_cpus() 
> routines are in earlier tile tree commits, the latter supporting a 
> change to the tile network driver.)

This is absolutely not OK, please push this through the timer tree. We 
don't do generic timer changes through architecture trees.

Thanks,

	Ingo

  reply	other threads:[~2015-04-05  5:05 UTC|newest]

Thread overview: 89+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-03 16:24 [PATCH 1/2] nohz: add tick_nohz_full_set_cpus() API cmetcalf
2015-04-03 16:24 ` [PATCH 2/2] nohz: make nohz_full imply isolcpus cmetcalf
2015-04-03 17:42   ` Frederic Weisbecker
2015-04-03 19:20     ` Chris Metcalf
2015-04-04 14:10       ` Rik van Riel
2015-04-04 17:09         ` Chris Metcalf
2015-04-05  5:05           ` Ingo Molnar [this message]
2015-04-06 17:15             ` Chris Metcalf
2015-04-06 18:16               ` [PATCH v2 1/2] nohz: add tick_nohz_full_clear_cpus() and _set_cpus() APIs cmetcalf
2015-04-06 18:16                 ` [PATCH v2 2/2] nohz: make nohz_full imply isolcpus cmetcalf
2015-04-07 22:29                   ` Frederic Weisbecker
2015-04-08  9:41                   ` Peter Zijlstra
2015-04-08 14:04                     ` Chris Metcalf
2015-04-08 14:26                       ` Peter Zijlstra
2015-04-08 15:21                         ` Chris Metcalf
2015-04-08 17:24                           ` Frederic Weisbecker
2015-04-08 19:20                             ` [PATCH v3 1/2] nohz: add tick_nohz_full_clear_cpus() and _set_cpus() APIs cmetcalf
2015-04-08 19:20                               ` [PATCH v3 2/2] nohz: set isolcpus when nohz_full is set cmetcalf
2015-04-08 17:27                           ` [PATCH v2 2/2] nohz: make nohz_full imply isolcpus Peter Zijlstra
2015-04-08 18:12                             ` Chris Metcalf
2015-04-09  8:29                               ` Peter Zijlstra
2015-04-09 12:02                                 ` Chris Metcalf
2015-04-09 12:45                                   ` Frederic Weisbecker
2015-04-09 16:59                                     ` [PATCH v5] nohz: set isolcpus when nohz_full is set Chris Metcalf
2015-04-09 17:12                                       ` Peter Zijlstra
2015-04-10  1:05                                         ` Mike Galbraith
2015-04-10 15:33                                           ` Chris Metcalf
2015-04-10 15:57                                             ` Mike Galbraith
2015-04-09 17:00                                 ` [PATCH v4 1/2] nohz: add tick_nohz_full_cpumask_or() and _andnot() APIs Chris Metcalf
2015-04-09 17:00                                   ` [PATCH v4 2/2] nohz: set isolcpus when nohz_full is set Chris Metcalf
2015-04-09 17:07                                   ` [PATCH v4 1/2] nohz: add tick_nohz_full_cpumask_or() and _andnot() APIs Peter Zijlstra
2015-04-09 17:24                                     ` Chris Metcalf
2015-04-09 17:42                                       ` Peter Zijlstra
2015-04-09 18:01                                         ` [PATCH v6 1/2] nohz: add tick_nohz_full_add_cpus_to() and _remove_cpus_from() APIs Chris Metcalf
2015-04-09 18:01                                           ` [PATCH v6 2/2] nohz: set isolcpus when nohz_full is set Chris Metcalf
2015-04-10  1:37                                             ` Frederic Weisbecker
2015-04-10 20:53                                               ` [PATCH v7 1/2] nohz: add tick_nohz_full_add_cpus_to() and _remove_cpus_from() APIs Chris Metcalf
2015-04-10 20:53                                                 ` [PATCH v7 2/2] nohz: set isolcpus when nohz_full is set Chris Metcalf
2015-04-14  0:37                                                   ` Frederic Weisbecker
2015-04-14 15:17                                                     ` [PATCH v8 1/2] nohz: add tick_nohz_full_add_cpus_to() API Chris Metcalf
2015-04-14 15:17                                                       ` [PATCH v8 2/2] nohz: set isolcpus when nohz_full is set Chris Metcalf
2015-04-14 15:26                                                         ` Frederic Weisbecker
2015-04-14 16:45                                                           ` Peter Zijlstra
2015-04-14  0:33                                                 ` [PATCH v7 1/2] nohz: add tick_nohz_full_add_cpus_to() and _remove_cpus_from() APIs Frederic Weisbecker
2015-04-14  0:49                                                   ` Chris Metcalf
2015-04-14 15:34                                                     ` Frederic Weisbecker
2015-04-10  1:34                                           ` [PATCH v6 " Frederic Weisbecker
2015-04-10 15:31                                             ` Chris Metcalf
2015-04-06 18:29                 ` [PATCH v2 1/2] nohz: add tick_nohz_full_clear_cpus() and _set_cpus() APIs Frederic Weisbecker
2015-04-06 19:09                   ` Chris Metcalf
2015-04-07  9:33                     ` Ingo Molnar
2015-04-03 18:08   ` [PATCH 2/2] nohz: make nohz_full imply isolcpus Mike Galbraith
2015-04-03 19:21     ` Chris Metcalf
2015-04-04  2:03       ` Mike Galbraith
2015-04-04  3:43         ` Mike Galbraith
2015-04-06 19:28           ` Rik van Riel
2015-04-07  3:10             ` Mike Galbraith
2015-05-06 16:04 [GIT PULL] nohz: A few improvements v4 Frederic Weisbecker
2015-05-06 16:04 ` [PATCH 1/4] context_tracking: Protect against recursion Frederic Weisbecker
2015-05-07  9:58   ` Ingo Molnar
2015-05-07 11:53     ` Frederic Weisbecker
2015-05-07 11:31   ` [tip:timers/nohz] " tip-bot for Frederic Weisbecker
2015-05-06 16:04 ` [PATCH 2/4] context_tracking: Inherit TIF_NOHZ through forks instead of context switches Frederic Weisbecker
2015-05-07 11:31   ` [tip:timers/nohz] " tip-bot for Frederic Weisbecker
2015-05-06 16:04 ` [PATCH 3/4] nohz: Add tick_nohz_full_add_cpus_to() API Frederic Weisbecker
2015-05-07 11:31   ` [tip:timers/nohz] " tip-bot for Chris Metcalf
2015-05-06 16:04 ` [PATCH 4/4] nohz: Set isolcpus when nohz_full is set Frederic Weisbecker
2015-05-07 11:32   ` [tip:timers/nohz] " tip-bot for Chris Metcalf
2015-05-16 19:39   ` [PATCH 4/4] " Sasha Levin
2015-05-17  5:30     ` Mike Galbraith
2015-05-18  2:17       ` Rik van Riel
2015-05-18  3:29         ` Mike Galbraith
2015-05-18 14:07           ` Rik van Riel
2015-05-18 14:22             ` Mike Galbraith
2015-05-18 14:52               ` Rik van Riel
2015-05-19  2:30                 ` Mike Galbraith
2015-06-12 19:12                   ` Rik van Riel
2015-05-20 20:38       ` Afzal Mohammed
2015-05-20 21:00         ` Paul E. McKenney
2015-05-21 12:12           ` Afzal Mohammed
2015-05-21 12:57             ` Paul E. McKenney
2015-05-21 13:06               ` Frederic Weisbecker
2015-05-21 13:27                 ` Paul E. McKenney
2015-05-21 13:29                 ` Afzal Mohammed
2015-05-21 14:14                   ` Paul E. McKenney
2015-05-21 14:46                     ` Frederic Weisbecker
2015-05-21 18:59                 ` Mike Galbraith
2015-05-22 14:39                   ` Frederic Weisbecker
2015-05-22 15:20                     ` Mike Galbraith

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