From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Alok Kataria <akataria@vmware.com>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Zachary Amsden <zach@vmware.com>, Dan Hecht <dhecht@vmware.com>,
Jun.Nakajima@Intel.Com
Subject: Re: Use CPUID to communicate with the hypervisor.
Date: Mon, 29 Sep 2008 10:37:23 +0300 [thread overview]
Message-ID: <48E085B3.1080507@redhat.com> (raw)
In-Reply-To: <20080929065557.GB9952@redhat.com>
Gleb Natapov wrote:
> Can this interface be used to pass variable sized data from a hypervisor
> to a gust? ACPI or DMI tables for instance.
>
>
In theory it can, but it would be a bad idea. cpuid is best used to
communicate cpu features; ACPI and DMI are (mostly) system features.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2008-09-29 7:37 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 [this message]
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
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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