From: Frederic Weisbecker <fweisbec@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Mike Galbraith <umgwanakikbuti@gmail.com>,
Chris Metcalf <cmetcalf@ezchip.com>,
Ingo Molnar <mingo@kernel.org>, Dave Jones <davej@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Oleg Nesterov <oleg@redhat.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Rik van Riel <riel@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH 2/4] context_tracking: Inherit TIF_NOHZ through forks instead of context switches
Date: Wed, 22 Apr 2015 17:51:39 +0200 [thread overview]
Message-ID: <20150422155137.GB16832@lerouge> (raw)
In-Reply-To: <20150422153553.GD3007@worktop.Skamania.guest>
On Wed, Apr 22, 2015 at 05:35:53PM +0200, Peter Zijlstra wrote:
> On Tue, Apr 21, 2015 at 11:06:04PM +0200, Frederic Weisbecker wrote:
> >
> > Because I need the tick nohz intialization to be after irq initialization (init_IRQ()),
> > which it depends on.
>
> OK, that's all _way_ before rest_init() which does the very first
> fork().
>
> I think we can safely put a WARN in there.
Ah good, I'm doing that!
thanks!
next prev parent reply other threads:[~2015-04-22 15:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-21 12:23 [PATCH 0/4] nohz: A few improvements v2 Frederic Weisbecker
2015-04-21 12:23 ` [PATCH 1/4] context_tracking: Protect against recursion Frederic Weisbecker
2015-04-21 12:23 ` [PATCH 2/4] context_tracking: Inherit TIF_NOHZ through forks instead of context switches Frederic Weisbecker
2015-04-21 15:26 ` Peter Zijlstra
2015-04-21 16:51 ` Frederic Weisbecker
2015-04-21 20:52 ` Peter Zijlstra
2015-04-21 21:06 ` Frederic Weisbecker
2015-04-22 15:35 ` Peter Zijlstra
2015-04-22 15:51 ` Frederic Weisbecker [this message]
2015-04-21 12:23 ` [PATCH 3/4] nohz: Add tick_nohz_full_add_cpus_to() API Frederic Weisbecker
2015-04-21 12:23 ` [PATCH 4/4] nohz: Set isolcpus when nohz_full is set Frederic Weisbecker
2015-04-21 15:26 ` [PATCH 0/4] nohz: A few improvements v2 Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2015-04-24 15:58 [PATCH 0/4] nohz: A few improvements v3 Frederic Weisbecker
2015-04-24 15:58 ` [PATCH 2/4] context_tracking: Inherit TIF_NOHZ through forks instead of context switches Frederic Weisbecker
2015-05-06 16:04 [GIT PULL] nohz: A few improvements v4 Frederic Weisbecker
2015-05-06 16:04 ` [PATCH 2/4] context_tracking: Inherit TIF_NOHZ through forks instead of context switches Frederic Weisbecker
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