linux-kernel - Re: NMI vs #PF clash

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Message-ID: <4FBBA094.3090703@redhat.com>
Date:	Tue, 22 May 2012 17:20:04 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Turner <pjt@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: Re: NMI vs #PF clash

On 05/22/2012 05:09 PM, Steven Rostedt wrote:
>> > 
>> > Or we could just have the NMI always restore the cr2 register.
>> 
>> IMO that's best.
> 
> OK, I can whip up a patch, but I wont push that in till 3.6.
> 

Thanks.  Something I've noticed is that writing cr2 is slow, so you may
want to write it only if it has changed (which should be very rare).


-- 
error compiling committee.c: too many arguments to function
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