From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "Nakajima, Jun" <jun.nakajima@intel.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
Avi Kivity <avi@qumranet.com>
Subject: Re: [kvm-devel] [PATCH] Refactor hypercall infrastructure
Date: Fri, 14 Sep 2007 21:53:42 -0700 [thread overview]
Message-ID: <46EB6556.5020506@goop.org> (raw)
In-Reply-To: <97D612E30E1F88419025B06CB4CF1BE10379ED4C@scsmsx412.amr.corp.intel.com>
Nakajima, Jun wrote:
> The hypervisor detection machanism is generic, and the signature
> returned is implentation specific. Having a list of all hypervisor
> signatures sounds fine to me as we are detecting vendor-specific
> processor(s) in the native. And I don't expect the list is large.
>
>
I'm confused about what you're proposing. I was thinking that a kernel
looking for the generic hypervisor interface would check for a specific
signature at some cpuid leaf, and then go about using it from there. If
not, how does is it supposed to detect the generic hypervisor interface?
J
WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Fitzhardinge <jeremy-TSDbQ3PG+2Y@public.gmane.org>
To: "Nakajima, Jun" <jun.nakajima-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] Refactor hypercall infrastructure
Date: Fri, 14 Sep 2007 21:53:42 -0700 [thread overview]
Message-ID: <46EB6556.5020506@goop.org> (raw)
In-Reply-To: <97D612E30E1F88419025B06CB4CF1BE10379ED4C-1a9uaKK1+wJcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Nakajima, Jun wrote:
> The hypervisor detection machanism is generic, and the signature
> returned is implentation specific. Having a list of all hypervisor
> signatures sounds fine to me as we are detecting vendor-specific
> processor(s) in the native. And I don't expect the list is large.
>
>
I'm confused about what you're proposing. I was thinking that a kernel
looking for the generic hypervisor interface would check for a specific
signature at some cpuid leaf, and then go about using it from there. If
not, how does is it supposed to detect the generic hypervisor interface?
J
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next prev parent reply other threads:[~2007-09-15 4:53 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 19:45 [PATCH] Refactor hypercall infrastructure Anthony Liguori
[not found] ` <11897991353793-git-send-email-aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-09-14 19:47 ` Anthony Liguori
2007-09-14 20:53 ` Jeremy Fitzhardinge
2007-09-14 21:02 ` [kvm-devel] " Anthony Liguori
2007-09-14 21:02 ` Anthony Liguori
2007-09-14 21:20 ` [kvm-devel] " Zachary Amsden
2007-09-14 21:20 ` Zachary Amsden
2007-09-14 21:44 ` [kvm-devel] " Anthony Liguori
2007-09-14 21:44 ` Anthony Liguori
2007-09-15 3:37 ` [kvm-devel] " Zachary Amsden
2007-09-15 3:37 ` Zachary Amsden
2007-09-15 8:08 ` [kvm-devel] " Avi Kivity
2007-09-15 8:08 ` Avi Kivity
2007-09-15 17:33 ` [kvm-devel] " Anthony Liguori
2007-09-15 17:33 ` Anthony Liguori
2007-09-14 21:22 ` [kvm-devel] " Jeremy Fitzhardinge
2007-09-14 21:22 ` Jeremy Fitzhardinge
2007-09-14 21:46 ` [kvm-devel] " Anthony Liguori
2007-09-14 21:46 ` Anthony Liguori
2007-09-14 21:52 ` [kvm-devel] " Jeremy Fitzhardinge
2007-09-14 21:52 ` Jeremy Fitzhardinge
2007-09-14 22:08 ` [kvm-devel] " Anthony Liguori
2007-09-14 22:08 ` Anthony Liguori
2007-09-14 22:40 ` [kvm-devel] " Nakajima, Jun
2007-09-14 22:40 ` Nakajima, Jun
2007-09-14 23:00 ` [kvm-devel] " Jeremy Fitzhardinge
2007-09-14 23:00 ` Jeremy Fitzhardinge
2007-09-15 0:10 ` [kvm-devel] " Nakajima, Jun
2007-09-15 0:10 ` Nakajima, Jun
2007-09-15 0:28 ` [kvm-devel] " Jeremy Fitzhardinge
2007-09-15 0:28 ` Jeremy Fitzhardinge
2007-09-15 1:04 ` [kvm-devel] " Nakajima, Jun
2007-09-15 1:04 ` Nakajima, Jun
2007-09-15 4:53 ` Jeremy Fitzhardinge [this message]
2007-09-15 4:53 ` Jeremy Fitzhardinge
2007-09-15 6:11 ` [kvm-devel] " Nakajima, Jun
2007-09-15 6:11 ` Nakajima, Jun
2007-09-15 18:23 ` [kvm-devel] " Anthony Liguori
2007-09-17 18:14 ` Nakajima, Jun
2007-09-17 18:14 ` Nakajima, Jun
2007-09-17 18:27 ` [kvm-devel] " Anthony Liguori
2007-09-17 19:15 ` Jeremy Fitzhardinge
2007-09-17 19:15 ` Jeremy Fitzhardinge
2007-09-17 19:33 ` [kvm-devel] " Anthony Liguori
2007-09-17 19:33 ` Anthony Liguori
2007-09-17 19:15 ` [kvm-devel] " Jeremy Fitzhardinge
2007-09-17 20:52 ` Nakajima, Jun
2007-09-17 20:52 ` Nakajima, Jun
2007-09-15 8:00 ` [kvm-devel] " Avi Kivity
2007-09-15 8:00 ` Avi Kivity
2007-09-15 7:53 ` [kvm-devel] " Avi Kivity
2007-09-15 7:53 ` Avi Kivity
2007-09-15 2:35 ` Rusty Russell
2007-09-15 2:35 ` Rusty Russell
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