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Re: [Qemu-devel] [patch] kvm: also fill 0x40000000 (vmm) cpuid leafes.


From: Anthony Liguori
Subject: Re: [Qemu-devel] [patch] kvm: also fill 0x40000000 (vmm) cpuid leafes.
Date: Tue, 11 Nov 2008 15:03:34 -0600
User-agent: Thunderbird 2.0.0.17 (X11/20080925)

Gerd Hoffmann wrote:
  Hi,

$subject says all, patch attached.

It really doesn't :-)

0x4000xxxx are the virtualization leaves, that we don't set so there is no functional change from this patch. The KVM PV ABI doesn't use eax as the max CPUID leaf of 0x40000000 so that's at least one example of them not behaving like this.

So can you be a lot more specific about how you intend on using these leaves?

Regards,

Anthony Liguori

please apply,
  Gerd





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