linux-kernel - Re: [PATCH] kvm: fix cpuid eax

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Message-ID: <4F9ED890.5060601@zytor.com>
Date:	Mon, 30 Apr 2012 11:23:12 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, davej@...hat.com
Subject: Re: [PATCH] kvm: fix cpuid eax

On 04/30/2012 07:39 AM, Michael S. Tsirkin wrote:
> cpuid eax should return the max leaf so that
> guests can find out the valid range.
> This matches Xen et al.

Not to mention it's what all the "real" CPU leaf chunks do.

Acked-by: H. Peter Anvin <hpa@...or.com>

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