From: "H. Peter Anvin" <hpa@zytor.com>
To: "Nakajima, Jun" <jun.nakajima@intel.com>
Cc: "akataria@vmware.com" <akataria@vmware.com>,
Gerd Hoffmann <kraxel@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
"avi@redhat.com" <avi@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Zach Amsden <zach@vmware.com>, Daniel Hecht <dhecht@vmware.com>
Subject: Re: Use CPUID to communicate with the hypervisor.
Date: Mon, 29 Sep 2008 14:07:09 -0700 [thread overview]
Message-ID: <48E1437D.7080606@zytor.com> (raw)
In-Reply-To: <0B53E02A2965CE4F9ADB38B34501A3A15726E15A@orsmsx505.amr.corp.intel.com>
Nakajima, Jun wrote:
>
> For example, we can set the following ranges so that so that each VMM vender can define and implement features avoiding conflicts:
> vmware to define 0x4000001X
> xen to define 0x4000002X
> kvm to define 0x4000003X
> ...
>
Unless there is a central authority assigning these, "we" can do all we
want, enough people will not pay attention.
Basically, there needs to be a standards document that describes the
architecture, *and* needs to either have universal buy-in with all the
vendors or imposed by an authority with enough clout to do so (Intel might.)
-hpa
next prev parent reply other threads:[~2008-09-29 21:11 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-26 23:46 Use CPUID to communicate with the hypervisor Alok Kataria
2008-09-27 0:09 ` H. Peter Anvin
2008-09-27 0:30 ` Alok Kataria
2008-09-27 0:32 ` H. Peter Anvin
2008-09-27 0:59 ` Nakajima, Jun
2008-09-27 1:55 ` H. Peter Anvin
2008-09-27 4:52 ` Nakajima, Jun
2008-09-29 20:56 ` Karel Zak
2008-09-27 1:02 ` Jeremy Fitzhardinge
2008-09-27 1:28 ` H. Peter Anvin
2008-09-27 3:11 ` Alok Kataria
2008-09-27 4:20 ` H. Peter Anvin
2008-09-27 5:37 ` Alok Kataria
2008-09-28 5:01 ` Jeremy Fitzhardinge
2008-09-29 9:28 ` Tim Deegan
2008-09-29 9:44 ` Avi Kivity
2008-09-29 6:55 ` Gleb Natapov
2008-09-29 7:37 ` Avi Kivity
2008-09-29 9:08 ` Bernd Eckenfels
2008-09-29 9:33 ` Gleb Natapov
2008-09-29 15:32 ` Nakajima, Jun
2008-09-30 9:16 ` Avi Kivity
2008-09-29 8:24 ` Gerd Hoffmann
2008-09-29 17:55 ` Alok Kataria
2008-09-29 17:58 ` H. Peter Anvin
2008-09-29 18:46 ` Gerd Hoffmann
2008-09-29 19:38 ` Alok Kataria
2008-09-29 20:31 ` H. Peter Anvin
2008-09-29 20:55 ` Nakajima, Jun
2008-09-29 21:07 ` H. Peter Anvin [this message]
2008-09-29 21:28 ` Jeremy Fitzhardinge
2008-09-29 21:49 ` H. Peter Anvin
2008-09-29 23:20 ` Zachary Amsden
2008-09-30 0:33 ` H. Peter Anvin
2008-09-30 0:12 ` Alok Kataria
2008-09-30 0:31 ` H. Peter Anvin
2008-09-30 0:56 ` Nakajima, Jun
2008-09-30 0:58 ` H. Peter Anvin
2008-09-30 1:14 ` Nakajima, Jun
2008-09-30 2:21 ` H. Peter Anvin
2008-09-30 3:14 ` Nakajima, Jun
2008-09-30 3:48 ` H. Peter Anvin
2008-09-29 22:46 ` Gerd Hoffmann
2008-09-30 0:33 ` Alok Kataria
2008-09-30 8:11 ` Gerd Hoffmann
2008-09-30 16:42 ` Zachary Amsden
2008-10-02 11:52 ` Avi Kivity
2008-10-01 4:35 ` [Hypervisors] TSC frequency change Alok Kataria
2008-10-01 9:47 ` Gerd Hoffmann
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