From: Anthony Liguori <aliguori@us.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Jamie Lokier <jamie@shareable.org>,
Glauber Costa <glommer@redhat.com>,
qemu-devel@nongnu.org, kvm-devel <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] Re: [PATCH v2 4/9] provide in-kernel apic
Date: Mon, 12 Oct 2009 08:41:20 -0500 [thread overview]
Message-ID: <4AD33200.5060007@us.ibm.com> (raw)
In-Reply-To: <4AD1A112.4070303@redhat.com>
Avi Kivity wrote:
> On 10/09/2009 09:49 PM, Anthony Liguori wrote:
>>> If I've just been sent an image produced by someone running KVM, and
>>> my machine is not KVM-capable, or I cannot upgrade the KVM kernel
>>> module because it's in use by other VMs (had this problem a few
>>> times), there's no choice but to change the irqchipness.
>>
>>
>> You cannot migrate from KVM to TCG so this use-case is irrelevant.
>
> I agree it's mostly irrelevant, however nothing in principle prevents
> such a migration, as long as the cpuid feature bits are implemented on
> both sides.
Sure, in principle it's certainly possible but in practice, it isn't
today and I don't see anything that's likely to happen in the near term
future that would make it.
--
Regards,
Anthony Liguori
next prev parent reply other threads:[~2009-10-12 13:42 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1254953315-5761-1-git-send-email-glommer@redhat.com>
[not found] ` <1254953315-5761-2-git-send-email-glommer@redhat.com>
[not found] ` <1254953315-5761-3-git-send-email-glommer@redhat.com>
[not found] ` <1254953315-5761-4-git-send-email-glommer@redhat.com>
2009-10-08 13:49 ` [PATCH v2 3/9] provide in-kernel ioapic Anthony Liguori
2009-10-08 13:54 ` Avi Kivity
2009-10-08 15:53 ` Jan Kiszka
2009-10-08 16:07 ` [Qemu-devel] " Jamie Lokier
2009-10-08 16:12 ` Anthony Liguori
2009-10-08 16:17 ` Avi Kivity
2009-10-08 16:22 ` Gleb Natapov
2009-10-08 16:29 ` Avi Kivity
2009-10-08 16:34 ` Gleb Natapov
2009-10-08 16:42 ` Avi Kivity
2009-10-08 17:11 ` Gleb Natapov
2009-10-09 10:02 ` Jamie Lokier
2009-10-09 12:02 ` [Qemu-devel] " Gleb Natapov
2009-10-09 14:32 ` Glauber Costa
2009-10-09 16:49 ` [Qemu-devel] " Jamie Lokier
2009-10-09 19:55 ` Juan Quintela
2009-10-09 21:34 ` Glauber Costa
2009-10-12 13:20 ` Anthony Liguori
2009-10-12 14:18 ` Jamie Lokier
2009-10-12 14:49 ` Anthony Liguori
[not found] ` <1254953315-5761-5-git-send-email-glommer@redhat.com>
2009-10-08 13:55 ` [PATCH v2 4/9] provide in-kernel apic Anthony Liguori
2009-10-08 14:09 ` Avi Kivity
2009-10-08 14:22 ` [Qemu-devel] " Glauber Costa
2009-10-09 10:06 ` Jamie Lokier
2009-10-09 14:30 ` Glauber Costa
2009-10-09 16:48 ` [Qemu-devel] " Jamie Lokier
2009-10-09 18:06 ` Glauber Costa
2009-10-09 19:49 ` [Qemu-devel] " Anthony Liguori
2009-10-11 9:10 ` Avi Kivity
2009-10-12 13:41 ` Anthony Liguori [this message]
2009-10-08 14:26 ` [Qemu-devel] " Anthony Liguori
2009-10-08 14:31 ` Avi Kivity
2009-10-08 14:39 ` Anthony Liguori
2009-10-08 14:46 ` Glauber Costa
2009-10-08 14:44 ` Glauber Costa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4AD33200.5060007@us.ibm.com \
--to=aliguori@us.ibm.com \
--cc=avi@redhat.com \
--cc=glommer@redhat.com \
--cc=jamie@shareable.org \
--cc=kvm@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.