From: Arnd Bergmann <arnd@arndb.de>
To: kvm-devel@lists.sourceforge.net
Cc: xen-devel <xen-devel@lists.xensource.com>,
virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [kvm-devel] [Xen-devel] More virtio users
Date: Wed, 13 Jun 2007 00:07:35 +0200 [thread overview]
Message-ID: <200706130007.36437.arnd@arndb.de> (raw)
In-Reply-To: <466BB1AF.1000601@qumranet.com>
On Sunday 10 June 2007, Avi Kivity wrote:
> > - PCI (or your favorite HW bus) passthrough, for your favorite oddball
> > device (e.g., crypto-accelerators).
> >
> Won't all high-bandwidth traffic be through dma, bypassing virtio?
It can be done, but you'd also need a passthrough for the IOMMU
in that case, and you get a potential security hole: if a malicious
guest is smart enough to figure out IOMMU mappings from the device
to memory owned by the host.
Arnd <><
next prev parent reply other threads:[~2007-06-12 22:07 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-10 7:33 More virtio users Avi Kivity
2007-06-10 8:06 ` Muli Ben-Yehuda
2007-06-10 8:09 ` Avi Kivity
2007-06-12 22:07 ` Arnd Bergmann [this message]
2007-06-12 23:40 ` [kvm-devel] [Xen-devel] " Caitlin Bestler
2007-06-12 23:40 ` [kvm-devel] " Caitlin Bestler
2007-06-12 23:54 ` [kvm-devel] [Xen-devel] " Arnd Bergmann
2007-06-13 5:28 ` [kvm-devel] " Muli Ben-Yehuda
2007-06-13 5:28 ` [kvm-devel] [Xen-devel] " Muli Ben-Yehuda
2007-06-14 19:41 ` Caitlin Bestler
2007-06-14 19:41 ` [kvm-devel] " Caitlin Bestler
2007-06-14 23:39 ` [kvm-devel] [Xen-devel] " Arnd Bergmann
[not found] ` <1EF1E44200D82B47BD5BA61171E8CE9D04269D6E-Wx+fQJ8T8QJuheSVJXE+poKqz+Jmtwh+qs7JOtOhHmkAvxtiuMwx3w@public.gmane.org>
2007-06-14 23:39 ` Arnd Bergmann
2007-06-15 16:26 ` [kvm-devel] " Caitlin Bestler
[not found] ` <200706150139.36770.arnd-r2nGTMty4D4@public.gmane.org>
2007-06-15 16:26 ` Caitlin Bestler
2007-06-10 8:09 ` Avi Kivity
2007-06-10 8:06 ` Muli Ben-Yehuda
2007-06-10 8:13 ` Rusty Russell
2007-06-10 8:13 ` Rusty Russell
2007-06-10 8:16 ` Avi Kivity
2007-06-10 12:37 ` Rusty Russell
2007-06-11 6:41 ` Jens Axboe
2007-06-11 7:29 ` Rusty Russell
2007-06-11 7:33 ` Jens Axboe
2007-06-12 0:31 ` Rusty Russell
2007-06-12 6:24 ` Jens Axboe
2007-06-12 7:52 ` Rusty Russell
2007-06-12 7:52 ` Rusty Russell
2007-06-12 7:56 ` Jens Axboe
2007-06-12 0:31 ` Rusty Russell
2007-06-11 7:29 ` Rusty Russell
2007-06-10 12:37 ` Rusty Russell
2007-06-10 8:16 ` Avi Kivity
2007-06-11 8:16 ` [Xen-devel] " Gerd Hoffmann
2007-06-11 8:19 ` Avi Kivity
2007-06-11 8:19 ` [Xen-devel] " Avi Kivity
2007-06-11 19:24 ` Anthony Liguori
2007-06-11 19:24 ` Anthony Liguori
2007-06-11 19:24 ` [Xen-devel] " Anthony Liguori
2007-06-11 23:19 ` Rusty Russell
2007-06-12 3:36 ` Anthony Liguori
2007-06-12 3:36 ` Anthony Liguori
2007-06-12 4:07 ` [Xen-devel] " Benjamin Herrenschmidt
2007-06-11 23:19 ` Rusty Russell
2007-06-12 0:47 ` [Xen-devel] " Benjamin Herrenschmidt
2007-06-11 13:44 ` Markus Armbruster
2007-06-11 3:04 ` ron minnich
2007-06-11 3:04 ` [Xen-devel] " ron minnich
2007-06-12 22:01 ` [kvm-devel] " Arnd Bergmann
2007-06-14 16:27 ` [Xen-devel] " Mark Williamson
[not found] ` <200706130001.21431.arnd-r2nGTMty4D4@public.gmane.org>
2007-06-14 16:27 ` [Xen-devel] " Mark Williamson
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=200706130007.36437.arnd@arndb.de \
--to=arnd@arndb.de \
--cc=kvm-devel@lists.sourceforge.net \
--cc=virtualization@lists.linux-foundation.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.