From: Gerd Hoffmann <kraxel@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: virtualization <virtualization@lists.osdl.org>,
Jan Beulich <jbeulich@novell.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org, Roland McGrath <roland@redhat.com>
Subject: Re: Xen & VMI?
Date: Tue, 06 Mar 2007 10:15:13 +0100 [thread overview]
Message-ID: <45ED3121.8090308@suse.de> (raw)
In-Reply-To: <20070306085222.GA17002@elte.hu>
Ingo Molnar wrote:
> * Gerd Hoffmann <kraxel@suse.de> wrote:
>
>>> [using vmi rom]
>> IIRC there was some proof-of-concept at least for xen guests.
>
> yes - but de-facto contradicted by the Xen paravirt_ops patches sent to
> lkml ;)
Yep. The fact that it is possible to do that doesn't imply that it is
the best solution.
Oh, and btw: What was the reason why kvm paravirtualization doesn't use
the vmi interface?
>>> 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.
>
> yes, just like we have thousands of separate PC boards to support. But
> as long as the basic ABI is the same, the QA effort on the Linux kernel
> side is alot more focused.
xen and vmware are still two very different hypervisors from the memory
mangement point of view. I doubt moving the abstraction line within the
linux kernel from paravirt_ops to vmi makes QA easier.
cheers,
Gerd
--
Gerd Hoffmann <kraxel@suse.de>
next prev parent reply other threads:[~2007-03-06 9:15 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070305120631.GA14105@elte.hu>
2007-03-05 13:28 ` [patch] paravirt: VDSO page is essential Rusty Russell
2007-03-05 13:38 ` Ingo Molnar
2007-03-05 14:34 ` Andi Kleen
2007-03-05 13:48 ` Ingo Molnar
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 20:42 ` 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 1:14 ` Jeremy Fitzhardinge
2007-03-06 1:51 ` Zachary Amsden
2007-03-06 1:53 ` Jeremy Fitzhardinge
2007-03-06 8:19 ` Xen & VMI? Ingo Molnar
2007-03-06 8:37 ` Gerd Hoffmann
2007-03-06 8:48 ` Zachary Amsden
2007-03-06 8:52 ` Ingo Molnar
2007-03-06 9:03 ` Zachary Amsden
2007-03-06 9:10 ` Ingo Molnar
2007-03-06 9:15 ` Gerd Hoffmann [this message]
2007-03-06 9:34 ` Ingo Molnar
2007-03-06 10:15 ` Gerd Hoffmann
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 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 21:11 ` Ingo Molnar
2007-03-06 21:13 ` Jeremy Fitzhardinge
2007-03-06 21:20 ` Ingo Molnar
2007-03-06 21:46 ` Jeremy Fitzhardinge
2007-03-06 21:35 ` Nakajima, Jun
2007-03-07 0:44 ` Rusty Russell
2007-03-07 0:54 ` Anthony Liguori
2007-03-07 3:06 ` Zachary Amsden
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
2007-03-06 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 20:30 ` Ingo Molnar
2007-03-06 20:53 ` Chris Wright
2007-03-06 21:03 ` Ingo Molnar
2007-03-06 21:28 ` Chris Wright
2007-03-07 2:35 ` Zachary Amsden
2007-03-06 9:07 ` Jeremy Fitzhardinge
2007-03-06 9:26 ` Ingo Molnar
2007-03-06 16:42 ` Jeremy Fitzhardinge
2007-03-06 17:18 ` Ingo Molnar
2007-03-06 18:04 ` Jeremy Fitzhardinge
2007-03-06 7:35 ` [patch] paravirt: VDSO page is essential Ingo Molnar
2007-03-06 7:42 ` Zachary Amsden
2007-03-06 7:50 ` Ingo Molnar
2007-03-06 18:48 ` Jeremy Fitzhardinge
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