From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Cc: Gerd Hoffmann <kraxel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: virtio implementation?
Date: Thu, 19 Jul 2007 01:48:21 +0200 [thread overview]
Message-ID: <200707190148.21728.arnd@arndb.de> (raw)
In-Reply-To: <469DC7F2.8050909-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Wednesday 18 July 2007, Gerd Hoffmann wrote:
> Rusty Russell wrote:
> > You mean backend? For networking it makes a great deal of sense. For
> > block it makes far less sense (COW, weird formats, etc).
>
> For block you probably want both: userspace driver which can handle all
> sorts of funny image files, and a kernel driver doing a 1:1 mapping to a
> block device (lvm volume).
>
Interestingly, once you have the kernel driver that maps a block device,
you can do most of the useful user scenarios by means of /dev/loop
and/or device mapper.
Arnd <><
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next prev parent reply other threads:[~2007-07-18 23:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-17 13:19 virtio implementation? Gregory Haskins
[not found] ` <469C89BD0200005A00027AE1-Igcdv/6uVdMHoYOw/+koYqIwWpluYiW7@public.gmane.org>
2007-07-17 13:31 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160CC163F7-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-07-17 23:42 ` Rusty Russell
[not found] ` <1184715761.10380.37.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-07-18 6:49 ` Dor Laor
[not found] ` <64F9B87B6B770947A9F8391472E032160CC169D5-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org>
2007-07-18 7:06 ` Rusty Russell
[not found] ` <1184742407.10380.108.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2007-07-18 8:49 ` Avi Kivity
2007-07-18 7:57 ` Gerd Hoffmann
[not found] ` <469DC7F2.8050909-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-07-18 23:48 ` Arnd Bergmann [this message]
[not found] ` <200707190148.21728.arnd-r2nGTMty4D4@public.gmane.org>
2007-07-19 0:02 ` Anthony Liguori
[not found] ` <469EAA2B.40307-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-07-19 0:12 ` Arnd Bergmann
[not found] ` <200707190212.25826.arnd-r2nGTMty4D4@public.gmane.org>
2007-07-19 1:42 ` Anthony Liguori
2007-07-19 5:42 ` Avi Kivity
2007-07-19 2:37 ` Daniel P. Berrange
-- strict thread matches above, loose matches on Subject: below --
2007-07-17 13:37 Gregory Haskins
[not found] ` <469C8DDF0200005A00027AEC-Igcdv/6uVdMHoYOw/+koYqIwWpluYiW7@public.gmane.org>
2007-07-17 16:14 ` Dor Laor
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