From: Gerd Hoffmann <kraxel@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
virtualization <virtualization@lists.osdl.org>,
Jan Beulich <jbeulich@novell.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Roland McGrath <roland@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: Xen & VMI?
Date: Tue, 06 Mar 2007 09:37:11 +0100 [thread overview]
Message-ID: <45ED2837.3020108@suse.de> (raw)
In-Reply-To: <20070306081909.GA9331@elte.hu>
Ingo Molnar wrote:
> btw., while we have everyone on the phone and talking ;) Technologically
> it would save us a whole lot of trouble in Linux if 'external'
> hypervisors could standardize around a single ABI - such as VMI. Is
> there any deep reason why Xen couldnt use VMI to talk to Linux? I
> suspect a range of VMI vectors could be set aside for Xen's dom0 (and
> other) APIs that have no current VMI equivalent - if there's broad
> agreement on the current 60+ base VMI vectors that center around basic
> x86 CPU capabilities - which make up the largest portion of our
> paravirtualization complexity. Pipe dream?
IIRC there was some proof-of-concept at least for xen guests.
> there are already 5 major hypervisors we are going to support (in
> alphabetical order):
>
> - KVM
> - lguest
> - Windows
> - VMWare
> - Xen
>
> the QA matrix is gonna be a _mess_.
I fail to see how xen-via-vmirom instead of xen-via-paravirt_ops reduces
the QA effort. You still have 5 Hypervisors you have to test against.
cheers,
Gerd
--
Gerd Hoffmann <kraxel@suse.de>
next prev parent reply other threads:[~2007-03-06 8:37 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-05 12:06 [patch] paravirt: VDSO page is essential Ingo Molnar
2007-03-05 12:36 ` Avi Kivity
2007-03-05 12:40 ` Ingo Molnar
2007-03-05 13:00 ` Avi Kivity
2007-03-05 13:32 ` Rusty Russell
2007-03-05 14:28 ` Andi Kleen
2007-03-05 13:48 ` Ingo Molnar
2007-03-05 14:58 ` Andi Kleen
2007-03-05 13:59 ` Ingo Molnar
2007-03-05 14:10 ` Avi Kivity
2007-03-05 14:10 ` Ingo Molnar
2007-03-05 13:28 ` Rusty Russell
2007-03-05 13:38 ` Ingo Molnar
2007-03-05 14:34 ` Andi Kleen
2007-03-05 13:46 ` [patch] paravirt: re-enable COMPAT_VDSO Ingo Molnar
2007-03-05 13:48 ` [patch] paravirt: VDSO page is essential Ingo Molnar
2007-03-05 20:11 ` Zachary Amsden
2007-03-05 20:11 ` Zachary Amsden
2007-03-05 20:16 ` Andi Kleen
2007-03-05 20:33 ` Zachary Amsden
2007-03-05 20:19 ` Ingo Molnar
2007-03-05 20:19 ` Ingo Molnar
2007-03-05 20:42 ` Zachary Amsden
2007-03-05 20:42 ` Zachary Amsden
2007-03-06 0:57 ` Rusty Russell
2007-03-06 1:03 ` Zachary Amsden
2007-03-06 1:11 ` Rusty Russell
2007-03-06 1:11 ` Rusty Russell
2007-03-06 1:14 ` Jeremy Fitzhardinge
2007-03-06 1:51 ` Zachary Amsden
2007-03-06 1:53 ` Jeremy Fitzhardinge
2007-03-06 1:53 ` Jeremy Fitzhardinge
2007-03-06 8:19 ` Xen & VMI? Ingo Molnar
2007-03-06 8:19 ` Ingo Molnar
2007-03-06 8:37 ` Gerd Hoffmann [this message]
2007-03-06 8:48 ` Zachary Amsden
2007-03-06 8:52 ` Ingo Molnar
2007-03-06 8:52 ` Ingo Molnar
2007-03-06 9:03 ` Zachary Amsden
2007-03-06 9:03 ` Zachary Amsden
2007-03-06 9:10 ` Ingo Molnar
2007-03-06 9:10 ` Ingo Molnar
2007-03-06 9:15 ` Gerd Hoffmann
2007-03-06 9:15 ` Gerd Hoffmann
2007-03-06 9:34 ` Ingo Molnar
2007-03-06 10:15 ` Gerd Hoffmann
2007-03-06 10:15 ` Gerd Hoffmann
2007-03-06 10:26 ` Ingo Molnar
2007-03-06 10:26 ` Ingo Molnar
2007-03-06 11:04 ` Gerd Hoffmann
2007-03-06 11:59 ` Ingo Molnar
2007-03-06 12:34 ` Gerd Hoffmann
2007-03-06 15:03 ` Anthony Liguori
2007-03-06 15:03 ` Anthony Liguori
2007-03-06 17:17 ` Nakajima, Jun
2007-03-06 17:17 ` Nakajima, Jun
2007-03-06 17:32 ` Anthony Liguori
2007-03-06 20:37 ` Ingo Molnar
2007-03-06 21:02 ` Jeremy Fitzhardinge
2007-03-06 21:02 ` Jeremy Fitzhardinge
2007-03-06 21:11 ` Ingo Molnar
2007-03-06 21:11 ` Ingo Molnar
2007-03-06 21:13 ` Jeremy Fitzhardinge
2007-03-06 21:13 ` Jeremy Fitzhardinge
2007-03-06 21:20 ` Ingo Molnar
2007-03-06 21:20 ` Ingo Molnar
2007-03-06 21:46 ` Jeremy Fitzhardinge
2007-03-06 21:46 ` Jeremy Fitzhardinge
2007-03-06 21:35 ` Nakajima, Jun
2007-03-06 21:35 ` Nakajima, Jun
2007-03-07 0:44 ` Rusty Russell
2007-03-07 0:54 ` Anthony Liguori
2007-03-07 0:54 ` Anthony Liguori
2007-03-07 3:06 ` Zachary Amsden
2007-03-07 8:15 ` Ingo Molnar
2007-03-07 8:15 ` Ingo Molnar
2007-03-07 9:17 ` Zachary Amsden
2007-03-07 11:15 ` Thomas Gleixner
2007-03-07 19:14 ` Dan Hecht
2007-03-06 16:27 ` Jeremy Fitzhardinge
2007-03-06 17:11 ` Ingo Molnar
2007-03-06 17:33 ` Jeremy Fitzhardinge
2007-03-07 2:16 ` Zachary Amsden
2007-03-07 2:16 ` Zachary Amsden
2007-03-06 9:55 ` Avi Kivity
2007-03-06 10:23 ` Gerd Hoffmann
2007-03-06 10:31 ` Ingo Molnar
2007-03-06 19:46 ` Chris Wright
2007-03-06 19:46 ` Chris Wright
2007-03-06 20:30 ` Ingo Molnar
2007-03-06 20:30 ` Ingo Molnar
2007-03-06 20:53 ` Chris Wright
2007-03-06 21:03 ` Ingo Molnar
2007-03-06 21:03 ` Ingo Molnar
2007-03-06 21:28 ` Chris Wright
2007-03-06 21:28 ` Chris Wright
2007-03-07 2:35 ` Zachary Amsden
2007-03-07 2:35 ` Zachary Amsden
2007-03-06 9:07 ` Jeremy Fitzhardinge
2007-03-06 9:07 ` Jeremy Fitzhardinge
2007-03-06 9:26 ` Ingo Molnar
2007-03-06 9:26 ` Ingo Molnar
2007-03-06 16:42 ` Jeremy Fitzhardinge
2007-03-06 16:42 ` Jeremy Fitzhardinge
2007-03-06 17:18 ` Ingo Molnar
2007-03-06 17:18 ` Ingo Molnar
2007-03-06 18:04 ` Jeremy Fitzhardinge
2007-03-06 18:04 ` Jeremy Fitzhardinge
2007-03-06 7:35 ` [patch] paravirt: VDSO page is essential Ingo Molnar
2007-03-06 7:35 ` Ingo Molnar
2007-03-06 7:42 ` Zachary Amsden
2007-03-06 7:50 ` Ingo Molnar
2007-03-06 7:50 ` Ingo Molnar
2007-03-06 18:48 ` Jeremy Fitzhardinge
2007-03-06 18:48 ` Jeremy Fitzhardinge
2007-03-05 14:27 ` Andi Kleen
2007-03-05 21:58 ` Roland McGrath
2007-03-05 22:01 ` Jeremy Fitzhardinge
2007-03-05 22:58 ` Roland McGrath
2007-03-05 23:03 ` Jeremy Fitzhardinge
2007-03-06 8:34 ` Ingo Molnar
2007-03-06 9:13 ` Roland McGrath
2007-03-06 9:14 ` Jeremy Fitzhardinge
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