Date: Wed, 22 Apr 2015 17:35:53 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
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
Message-ID: <20150422153553.GD3007@worktop.Skamania.guest>
References: <1429618989-11104-1-git-send-email-fweisbec@gmail.com>
 <1429618989-11104-3-git-send-email-fweisbec@gmail.com>
 <20150421152600.GE3182@worktop.meeting.verilan.com>
 <20150421165152.GA10289@lerouge>
 <20150421205218.GB2898@worktop.Skamania.guest>
 <20150421210603.GB10289@lerouge>
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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.
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