From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Paul Brook <paul-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>
Cc: kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
"J. Mayer" <l_indien-nJJpUPIbDOA@public.gmane.org>,
qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org
Subject: Re: [Qemu-devel] expose host CPU features to guests: Take 3
Date: Tue, 25 Sep 2007 15:13:40 +0200 [thread overview]
Message-ID: <46F90984.1010201@qumranet.com> (raw)
In-Reply-To: <200709251351.55481.paul-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>
Paul Brook wrote:
>> Indeed for regular qemu this is useless. But it is useful for kqemu
>> (for which there is support in mainline qemu), and for kvm (which we
>> hope to merge one day).
>>
>
> And, as discussed before, it should be asking the hypervisor what features it
> supports instead of trying to guess from the cpuid output.
>
Agreed.
--
Any sufficiently difficult bug is indistinguishable from a feature.
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WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@qumranet.com>
To: Paul Brook <paul@codesourcery.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
"J. Mayer" <l_indien@magic.fr>,
qemu-devel@nongnu.org
Subject: Re: [kvm-devel] [Qemu-devel] expose host CPU features to guests: Take 3
Date: Tue, 25 Sep 2007 15:13:40 +0200 [thread overview]
Message-ID: <46F90984.1010201@qumranet.com> (raw)
In-Reply-To: <200709251351.55481.paul@codesourcery.com>
Paul Brook wrote:
>> Indeed for regular qemu this is useless. But it is useful for kqemu
>> (for which there is support in mainline qemu), and for kvm (which we
>> hope to merge one day).
>>
>
> And, as discussed before, it should be asking the hypervisor what features it
> supports instead of trying to guess from the cpuid output.
>
Agreed.
--
Any sufficiently difficult bug is indistinguishable from a feature.
next prev parent reply other threads:[~2007-09-25 13:13 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 17:45 expose host CPU features to guests danken-atKUWr5tajBWk0Htik3J/w
2007-09-05 17:45 ` [Qemu-devel] " danken
[not found] ` <20070905174530.GA3945-iWbx9bcAnq+Hk9JtIoIkgNBPR1lH4CV8@public.gmane.org>
2007-09-05 19:26 ` Anthony Liguori
2007-09-05 19:26 ` [Qemu-devel] Re: [kvm-devel] " Anthony Liguori
2007-09-05 19:34 ` Avi Kivity
2007-09-05 19:34 ` [Qemu-devel] Re: [kvm-devel] " Avi Kivity
[not found] ` <46DF04D5.5000807-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-05 19:44 ` Daniel P. Berrange
2007-09-05 19:44 ` [Qemu-devel] Re: [kvm-devel] " Daniel P. Berrange
[not found] ` <20070905194448.GN5503-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-09-06 0:30 ` [Qemu-devel] " Paul Brook
2007-09-06 0:30 ` [Qemu-devel] Re: [kvm-devel] " Paul Brook
2007-09-06 8:46 ` Avi Kivity
2007-09-06 8:46 ` [Qemu-devel] " Avi Kivity
2007-09-07 10:47 ` [Qemu-devel] " Jamie Lokier
2007-09-07 10:47 ` [Qemu-devel] Re: [kvm-devel] " Jamie Lokier
[not found] ` <20070907104738.GA14723-tp2ajI7sM85Y6zH9YvfY1x2eb7JE58TQ@public.gmane.org>
2007-09-09 7:51 ` [Qemu-devel] " Avi Kivity
2007-09-09 7:51 ` [kvm-devel] " Avi Kivity
[not found] ` <46E3A618.7030505-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-09 12:47 ` Jamie Lokier
2007-09-09 12:47 ` [kvm-devel] " Jamie Lokier
[not found] ` <20070909124718.GE24240-tp2ajI7sM85Y6zH9YvfY1x2eb7JE58TQ@public.gmane.org>
2007-09-09 12:55 ` Avi Kivity
2007-09-09 12:55 ` [kvm-devel] " Avi Kivity
[not found] ` <46E3ED2B.6080606-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-09 13:07 ` Jamie Lokier
2007-09-09 13:07 ` [kvm-devel] " Jamie Lokier
2007-09-09 13:14 ` [kvm-devel] " Avi Kivity
2007-09-09 13:14 ` [kvm-devel] [Qemu-devel] " Avi Kivity
[not found] ` <20070909130725.GF24240-tp2ajI7sM85Y6zH9YvfY1x2eb7JE58TQ@public.gmane.org>
2007-09-09 15:25 ` Paul Brook
2007-09-09 15:25 ` [kvm-devel] " Paul Brook
2007-09-09 15:29 ` [kvm-devel] " Avi Kivity
2007-09-09 15:29 ` [kvm-devel] [Qemu-devel] " Avi Kivity
2007-09-09 15:47 ` [kvm-devel] " Jamie Lokier
2007-09-09 15:47 ` [kvm-devel] [Qemu-devel] " Jamie Lokier
2007-09-09 16:12 ` [kvm-devel] " Paul Brook
2007-09-09 16:12 ` [kvm-devel] [Qemu-devel] " Paul Brook
[not found] ` <200709091712.15743.paul-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>
2007-09-09 16:38 ` Avi Kivity
2007-09-09 16:38 ` [kvm-devel] " Avi Kivity
2007-09-10 16:53 ` Jamie Lokier
2007-09-10 16:53 ` [kvm-devel] " Jamie Lokier
2007-09-10 7:40 ` expose host CPU features to guests: Take 2 Dan Kenigsberg
2007-09-10 7:40 ` [Qemu-devel] " Dan Kenigsberg
2007-09-10 11:47 ` Natalia Portillo
2007-09-10 12:01 ` Dan Kenigsberg
2007-09-07 16:18 ` Natalia Portillo
2007-09-11 19:48 ` Luke -Jr
2007-09-10 17:16 ` Jamie Lokier
[not found] ` <20070910074005.GA26869-iWbx9bcAnq+Hk9JtIoIkgNBPR1lH4CV8@public.gmane.org>
2007-09-24 17:41 ` expose host CPU features to guests: Take 3 Dan Kenigsberg
2007-09-24 17:41 ` [Qemu-devel] " Dan Kenigsberg
[not found] ` <20070924174129.GA4507-iWbx9bcAnq+Hk9JtIoIkgNBPR1lH4CV8@public.gmane.org>
2007-09-25 1:28 ` andrzej zaborowski
2007-09-25 1:28 ` andrzej zaborowski
[not found] ` <fb249edb0709241828pb6b9fd4v1d1d8d4a3495f040-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-09-25 8:48 ` Dan Kenigsberg
2007-09-25 8:48 ` [kvm-devel] " Dan Kenigsberg
[not found] ` <20070925084842.GA14221-iWbx9bcAnq+Hk9JtIoIkgNBPR1lH4CV8@public.gmane.org>
2007-09-25 9:01 ` Avi Kivity
2007-09-25 9:01 ` [kvm-devel] " Avi Kivity
[not found] ` <46F8CE52.3080502-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-25 9:19 ` J. Mayer
2007-09-25 9:19 ` [kvm-devel] " J. Mayer
2007-09-25 9:31 ` Avi Kivity
2007-09-25 9:31 ` [kvm-devel] " Avi Kivity
[not found] ` <46F8D577.3020306-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-25 10:40 ` Avi Kivity
2007-09-25 10:40 ` [kvm-devel] " Avi Kivity
[not found] ` <46F8E5A2.30906-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-25 11:09 ` J. Mayer
2007-09-25 11:09 ` [kvm-devel] " J. Mayer
2007-09-25 11:36 ` Avi Kivity
2007-09-25 11:36 ` [kvm-devel] " Avi Kivity
[not found] ` <46F8F2B8.1080203-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-09-25 12:05 ` Fabrice Bellard
2007-09-25 12:05 ` [kvm-devel] " Fabrice Bellard
2007-09-25 13:07 ` Jocelyn Mayer
2007-09-25 13:07 ` [kvm-devel] " Jocelyn Mayer
[not found] ` <1190725664.13490.14.camel-JEa2SU7BmVsPEyPTZiGI+UEOCMrvLtNR@public.gmane.org>
2007-09-25 13:12 ` Avi Kivity
2007-09-25 13:12 ` [kvm-devel] " Avi Kivity
2007-09-25 13:27 ` Dan Kenigsberg
2007-09-25 13:27 ` [kvm-devel] " Dan Kenigsberg
2007-09-25 15:54 ` Jamie Lokier
2007-09-25 16:15 ` Avi Kivity
2007-09-25 12:51 ` Paul Brook
2007-09-25 12:51 ` [kvm-devel] " Paul Brook
[not found] ` <200709251351.55481.paul-qD8j1LwMmJjtCj0u4l0SBw@public.gmane.org>
2007-09-25 13:13 ` Avi Kivity [this message]
2007-09-25 13:13 ` Avi Kivity
2007-09-25 9:29 ` Fabrice Bellard
2007-10-07 12:38 ` x86 -cpu option: Take 4 Dan Kenigsberg
2007-10-07 12:38 ` [Qemu-devel] " Dan Kenigsberg
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