linux-kernel - Re: GPF in intel_pmu_lbr_reset() with qemu -cpu host

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Message-ID: <532CDA92.2080409@zytor.com>
Date:	Fri, 21 Mar 2014 17:34:26 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Peter Wu <peter@...ensteyn.nl>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: GPF in intel_pmu_lbr_reset() with qemu -cpu host

On 03/21/2014 05:30 PM, Andi Kleen wrote:
> 
> %  grep -r 'rdmsr' arch/x86/*  | grep -v safe | wc -l
> 285
> 
> I assume it'll keep you all busy for a while.
> 
> [compared to a likely one liner in KVM]
> 

It's not just KVM, though.

	-hpa


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