All of lore.kernel.org
 help / color / mirror / Atom feed
From: Gerd Hoffmann <kraxel@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: xen-devel@lists.xensource.com, Laurent Vivier <Laurent@vivier.eu>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 00/10] xen: pv domain support.
Date: Mon, 06 Apr 2009 08:53:01 +0200	[thread overview]
Message-ID: <49D9A6CD.30602@redhat.com> (raw)
In-Reply-To: <88ADCEFD-E057-4264-8447-9E53A661B35D@suse.de>

Alexander Graf wrote:
> One idea I had for full virtualization in a Xen environment would be an
> PV vmenter/vmexit framework - either by implementing a completely new
> abstraction or simple traps for privileged operations like VMRUN.
>
> That way we could have a kvm that talks to xen for the VM, rendering kvm
> useful on Xen dom0s, giving people the best of both worlds.

Hmm.  I suspect xen's direct paging mode makes that quite intrusive as
the kvm mmu code would have to know about this extra p2m translation
step to get the shadow/ept/ntp tables right.  Given that this most
likely would be a odd and rarely tested use case I don't think this
would be a good idea ...

cheers,
  Gerd

  parent reply	other threads:[~2009-04-06  6:53 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-01 21:39 [Qemu-devel] [PATCH 00/10] xen: pv domain support Gerd Hoffmann
2009-04-01 21:39 ` Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 01/10] xen: groundwork for xen support Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-02 16:37   ` [Qemu-devel] " Blue Swirl
2009-04-02 16:37     ` Blue Swirl
2009-04-03 19:58     ` [Qemu-devel] " Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 02/10] xen: backend driver core Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-02 16:49   ` [Qemu-devel] " Blue Swirl
2009-04-02 16:49     ` Blue Swirl
2009-04-03 19:59     ` [Qemu-devel] " Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 03/10] xen: add console backend driver Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 04/10] xen: add framebuffer " Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-02 16:57   ` [Qemu-devel] " Blue Swirl
2009-04-02 16:57     ` Blue Swirl
2009-04-01 21:39 ` [Qemu-devel] [PATCH 05/10] xen: add block device " Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-02 17:02   ` [Qemu-devel] " Christoph Hellwig
2009-04-03 20:11     ` Gerd Hoffmann
2009-04-05 13:49     ` Anthony Liguori
2009-04-06 12:38       ` Christoph Hellwig
2009-04-07 10:22     ` Gerd Hoffmann
2009-04-07 15:51       ` Christoph Hellwig
2009-04-01 21:39 ` [Qemu-devel] [PATCH 06/10] xen: add net " Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 07/10] xen: blk & nic configuration via cmd line Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 08/10] xen: pv domain builder Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-02 17:06   ` [Qemu-devel] " Blue Swirl
2009-04-02 17:06     ` Blue Swirl
2009-04-01 21:39 ` [Qemu-devel] [PATCH 09/10] simplify vga selection Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-01 21:39 ` [Qemu-devel] [PATCH 10/10] xen: add -vga xenfb option, configure xenfb Gerd Hoffmann
2009-04-01 21:39   ` Gerd Hoffmann
2009-04-01 23:41 ` [Qemu-devel] [PATCH 00/10] xen: pv domain support Anthony Liguori
2009-04-02 15:32   ` Ian Jackson
2009-04-02 21:14 ` Laurent Vivier
2009-04-02 21:14   ` Laurent Vivier
2009-04-03 20:24   ` [Qemu-devel] " Gerd Hoffmann
2009-04-03 23:04     ` Alexander Graf
2009-04-03 23:04       ` Alexander Graf
2009-04-05  8:48       ` [Qemu-devel] " Avi Kivity
2009-04-05 11:17         ` Alexander Graf
2009-04-05 11:17           ` Alexander Graf
2009-04-05 11:37           ` [Qemu-devel] " Avi Kivity
2009-04-05 12:10             ` Alexander Graf
2009-04-05 12:10               ` Alexander Graf
2009-04-05 12:33               ` [Qemu-devel] " Avi Kivity
2009-04-06  7:39                 ` Gerd Hoffmann
2009-04-06 13:56             ` [Xen-devel] " Stefano Stabellini
2009-04-06 13:56               ` Stefano Stabellini
2009-04-06  7:10           ` Gerd Hoffmann
2009-04-06  6:53       ` Gerd Hoffmann [this message]
2009-04-06 20:44         ` [Xen-devel] " Jeremy Fitzhardinge
2009-04-06 20:44           ` Jeremy Fitzhardinge
2009-04-07 14:44 Gerd Hoffmann
2009-04-07 17:30 ` Blue Swirl
2009-04-08 14:08   ` Gerd Hoffmann
2009-04-21 12:19 Gerd Hoffmann
2009-04-22 15:52 ` Anthony Liguori

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=49D9A6CD.30602@redhat.com \
    --to=kraxel@redhat.com \
    --cc=Laurent@vivier.eu \
    --cc=agraf@suse.de \
    --cc=qemu-devel@nongnu.org \
    --cc=xen-devel@lists.xensource.com \
    /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.