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Re: Use CPUID to communicate with the hypervisor.
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From: Avi Kivity
Subject:
Re: Use CPUID to communicate with the hypervisor.
Date: Monday, September 29, 2008 - 2:44 am
Tim Deegan wrote:
quoted text
> I was talking about checking every 256 leaves from 0x40000000, but I > can't remember where I heard it. The only relevant reference I can > find is the MS hypervisor interface spec's description of leaf > 0x40000001: "Hypervisor vendor-neutral interface identification. This > determines the semantics of the leaves from 0x40000002 through > 0x400000FF" > >
This was discussed at the virtualization mini summit (can't remember who brought it up). -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. --
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Messages in current thread:
Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Fri Sep 26, 4:46 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Fri Sep 26, 5:09 pm)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Fri Sep 26, 5:30 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Fri Sep 26, 5:32 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Fri Sep 26, 5:59 pm)
Re: Use CPUID to communicate with the hypervisor.
, Jeremy Fitzhardinge
, (Fri Sep 26, 6:02 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Fri Sep 26, 6:28 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Fri Sep 26, 6:55 pm)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Fri Sep 26, 8:11 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Fri Sep 26, 9:20 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Fri Sep 26, 9:52 pm)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Fri Sep 26, 10:37 pm)
Re: Use CPUID to communicate with the hypervisor.
, Jeremy Fitzhardinge
, (Sat Sep 27, 10:01 pm)
Re: Use CPUID to communicate with the hypervisor.
, Gleb Natapov
, (Sun Sep 28, 11:55 pm)
Re: Use CPUID to communicate with the hypervisor.
, Avi Kivity
, (Mon Sep 29, 12:37 am)
Re: Use CPUID to communicate with the hypervisor.
, Gerd Hoffmann
, (Mon Sep 29, 1:24 am)
Re: Use CPUID to communicate with the hypervisor.
, Bernd Eckenfels
, (Mon Sep 29, 2:08 am)
Re: Use CPUID to communicate with the hypervisor.
, Tim Deegan
, (Mon Sep 29, 2:28 am)
Re: Use CPUID to communicate with the hypervisor.
, Gleb Natapov
, (Mon Sep 29, 2:33 am)
Re: Use CPUID to communicate with the hypervisor.
, Avi Kivity
, (Mon Sep 29, 2:44 am)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Mon Sep 29, 8:32 am)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Mon Sep 29, 10:55 am)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 10:58 am)
Re: Use CPUID to communicate with the hypervisor.
, Gerd Hoffmann
, (Mon Sep 29, 11:46 am)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Mon Sep 29, 12:38 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 1:31 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Mon Sep 29, 1:55 pm)
Re: Use CPUID to communicate with the hypervisor.
, Karel Zak
, (Mon Sep 29, 1:56 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 2:07 pm)
Re: Use CPUID to communicate with the hypervisor.
, Jeremy Fitzhardinge
, (Mon Sep 29, 2:28 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 2:49 pm)
Re: Use CPUID to communicate with the hypervisor.
, Gerd Hoffmann
, (Mon Sep 29, 3:46 pm)
Re: Use CPUID to communicate with the hypervisor.
, Zachary Amsden
, (Mon Sep 29, 4:20 pm)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Mon Sep 29, 5:12 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 5:31 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 5:33 pm)
Re: Use CPUID to communicate with the hypervisor.
, Alok Kataria
, (Mon Sep 29, 5:33 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Mon Sep 29, 5:56 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 5:58 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Mon Sep 29, 6:14 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 7:21 pm)
RE: Use CPUID to communicate with the hypervisor.
, Nakajima, Jun
, (Mon Sep 29, 8:14 pm)
Re: Use CPUID to communicate with the hypervisor.
, H. Peter Anvin
, (Mon Sep 29, 8:48 pm)
Re: Use CPUID to communicate with the hypervisor.
, Gerd Hoffmann
, (Tue Sep 30, 1:11 am)
Re: Use CPUID to communicate with the hypervisor.
, Avi Kivity
, (Tue Sep 30, 2:16 am)
Re: Use CPUID to communicate with the hypervisor.
, Zachary Amsden
, (Tue Sep 30, 9:42 am)
[Hypervisors] TSC frequency change
, Alok Kataria
, (Tue Sep 30, 9:35 pm)
Re: [Hypervisors] TSC frequency change
, Gerd Hoffmann
, (Wed Oct 1, 2:47 am)
Re: Use CPUID to communicate with the hypervisor.
, Avi Kivity
, (Thu Oct 2, 4:52 am)
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