From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
xen-devel <xen-devel@lists.xensource.com>,
virtualization <virtualization@lists.linux-foundation.org>
Subject: Re: [Xen-devel] Re: More virtio users
Date: Tue, 12 Jun 2007 10:47:28 +1000 [thread overview]
Message-ID: <1181609248.14818.244.camel@localhost.localdomain> (raw)
In-Reply-To: <1181603983.16428.100.camel@localhost.localdomain>
On Tue, 2007-06-12 at 09:19 +1000, Rusty Russell wrote:
> > Rectangles work just fine for a framebuffer console. They stop
> working
> > once you plan to run any graphical stuff such as an X-Server on top
> of
> > the framebuffer. Only way to get notified about changes is page
> faults,
> > i.e. 4k granularity on the linear framebuffer memory.
>
> Yes, I discussed this with Ben Herrenschmidt a couple of months ago.
> It
> would be better to provide a fb ioctl which X could use to describe
> changed rectangles if available. In the virtio case we could hand
> that
> information through, and other virtualized framebuffers would be able
> to
> use it similarly.
Yes, with the X damage extension, we can have precise notification of
changed areas.
Ben.
next prev parent reply other threads:[~2007-06-12 0:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <466BA965.6050208@qumranet.com>
2007-06-10 8:06 ` [Xen-devel] More virtio users Muli Ben-Yehuda
[not found] ` <20070610080602.GD3738@rhun.haifa.ibm.com>
2007-06-10 8:09 ` Avi Kivity
[not found] ` <466BB1AF.1000601@qumranet.com>
2007-06-12 22:07 ` [kvm-devel] " Arnd Bergmann
2007-06-12 23:40 ` Caitlin Bestler
2007-06-10 8:13 ` Rusty Russell
[not found] ` <1181463220.16428.24.camel@localhost.localdomain>
2007-06-10 8:16 ` Avi Kivity
[not found] ` <466BB34B.9050105@qumranet.com>
2007-06-10 12:37 ` Rusty Russell
[not found] ` <1181479060.16428.37.camel@localhost.localdomain>
2007-06-11 6:41 ` Jens Axboe
2007-06-11 7:29 ` Rusty Russell
[not found] ` <1181546953.16428.96.camel@localhost.localdomain>
2007-06-11 7:33 ` Jens Axboe
2007-06-12 0:31 ` Rusty Russell
[not found] ` <1181608287.16428.127.camel@localhost.localdomain>
2007-06-12 6:24 ` Jens Axboe
2007-06-12 7:52 ` Rusty Russell
[not found] ` <1181634747.6237.79.camel@localhost.localdomain>
2007-06-12 7:56 ` Jens Axboe
2007-06-11 8:16 ` [Xen-devel] " Gerd Hoffmann
2007-06-11 8:19 ` Avi Kivity
2007-06-11 19:24 ` Anthony Liguori
2007-06-11 23:19 ` Rusty Russell
2007-06-12 3:36 ` Anthony Liguori
[not found] ` <466E14A6.6020400@codemonkey.ws>
2007-06-12 4:07 ` Benjamin Herrenschmidt
[not found] ` <1181603983.16428.100.camel@localhost.localdomain>
2007-06-12 0:47 ` Benjamin Herrenschmidt [this message]
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
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=1181609248.14818.244.camel@localhost.localdomain \
--to=benh@kernel.crashing.org \
--cc=kvm-devel@lists.sourceforge.net \
--cc=rusty@rustcorp.com.au \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).