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Message-ID: <1334581548.28150.40.camel@twins>
Subject: Re: kvm: RCU warning in async pf
From: Peter Zijlstra <peterz@infradead.org>
To: Gleb Natapov <gleb@redhat.com>
Cc: Sasha Levin <levinsasha928@gmail.com>, Avi Kivity <avi@redhat.com>,
        Marcelo Tosatti <mtosatti@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        kvm <kvm@vger.kernel.org>, linux-kernel <linux-kernel@vger.kernel.org>,
        Dave Jones <davej@redhat.com>
Date: Mon, 16 Apr 2012 15:05:48 +0200
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On Mon, 2012-04-16 at 15:58 +0300, Gleb Natapov wrote:
> -               rcu_irq_enter();
> +               irq_enter();
>                 exit_idle(); 

Do we really need the exit_idle()? I can't remember other interrupt
handlers doing that.