Re: Use CPUID to communicate with the hypervisor.

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From: H. Peter Anvin

Subject: Re: Use CPUID to communicate with the hypervisor.

Date: Friday, September 26, 2008 - 6:55 pm

Nakajima, Jun wrote:
quoted text>>>
>> Agreed.  However, that's obviously beyond our immediate control.
> 
> Well, actually it's under full control of the Linux community because the _kernel_ defines such virtual or semi-hardware features. I'm not sure if that particular value (0x40000010) is proper, but we should be able to pick reasonable ones/ranges.
> 

Uhm, no, they're defined by the _hypervisor_.

	-hpa
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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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