From: Jamie Lokier <jamie@shareable.org>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
Amit Shah <amit.shah@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication
Date: Mon, 27 Jul 2009 21:46:27 +0100 [thread overview]
Message-ID: <20090727204627.GA32432@shareable.org> (raw)
In-Reply-To: <20090727203214.GG15020@redhat.com>
Daniel P. Berrange wrote:
> > I expect the first problem you'll run into is that copy/paste daemon has
> > to run as an unprivileged user but /dev/vmch3 is going to be owned by
> > root. You could set udev rules for /dev/vmch3 but that's pretty
> > terrible IMHO.
>
> I don't think that's not too bad, for example, with fast-user-switching
> between multiple X servers and/or text consoles, there's already support
> code that deals with chown'ing things like /dev/snd/* devices to match
> the active console session. Doing the same with the /dev/vmch3 device so
> that it is only ever accessible to the current logged in user actually
> fits in to that scheme quite well.
With multiple X servers, there can be more than one currently logged in user.
Same with multiple text consoles - that's more familiar.
Which one owns /dev/vmch3?
-- Jamie
WARNING: multiple messages have this Message-ID (diff)
From: Jamie Lokier <jamie@shareable.org>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>,
virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org,
kvm@vger.kernel.org
Subject: Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication
Date: Mon, 27 Jul 2009 21:46:27 +0100 [thread overview]
Message-ID: <20090727204627.GA32432@shareable.org> (raw)
In-Reply-To: <20090727203214.GG15020@redhat.com>
Daniel P. Berrange wrote:
> > I expect the first problem you'll run into is that copy/paste daemon has
> > to run as an unprivileged user but /dev/vmch3 is going to be owned by
> > root. You could set udev rules for /dev/vmch3 but that's pretty
> > terrible IMHO.
>
> I don't think that's not too bad, for example, with fast-user-switching
> between multiple X servers and/or text consoles, there's already support
> code that deals with chown'ing things like /dev/snd/* devices to match
> the active console session. Doing the same with the /dev/vmch3 device so
> that it is only ever accessible to the current logged in user actually
> fits in to that scheme quite well.
With multiple X servers, there can be more than one currently logged in user.
Same with multiple text consoles - that's more familiar.
Which one owns /dev/vmch3?
-- Jamie
next prev parent reply other threads:[~2009-07-27 20:46 UTC|newest]
Thread overview: 175+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-27 18:04 virtio-serial: An interface for host-guest communication Amit Shah
2009-07-27 18:04 ` [Qemu-devel] " Amit Shah
2009-07-27 18:04 ` [PATCH 1/1] virtio_serial: A char device for simple guest <-> host communication Amit Shah
2009-07-27 18:04 ` Amit Shah
2009-07-27 18:04 ` [Qemu-devel] " Amit Shah
2009-07-27 18:04 ` [PATCH 1/3] virtio-serial: virtio device for simple host <-> guest communication Amit Shah
2009-07-27 18:04 ` [Qemu-devel] " Amit Shah
2009-07-27 18:04 ` [PATCH 2/3] vnc: add a is_vnc_active() helper Amit Shah
2009-07-27 18:04 ` [Qemu-devel] " Amit Shah
2009-07-27 18:04 ` [PATCH 3/3] virtio-serial: vnc: support for sending / receiving guest clipboard Amit Shah
2009-07-27 18:04 ` Amit Shah
2009-07-27 18:04 ` [Qemu-devel] " Amit Shah
2009-07-27 18:04 ` [PATCH 2/3] vnc: add a is_vnc_active() helper Amit Shah
2009-07-27 18:04 ` [PATCH 1/3] virtio-serial: virtio device for simple host <-> guest communication Amit Shah
2009-08-05 0:03 ` [PATCH 1/1] virtio_serial: A char device for simple guest <-> host communication Rusty Russell
2009-08-05 0:03 ` [Qemu-devel] " Rusty Russell
2009-08-05 5:12 ` Amit Shah
2009-08-05 5:12 ` [Qemu-devel] " Amit Shah
2009-08-05 9:58 ` Amit Shah
2009-08-05 9:58 ` [Qemu-devel] " Amit Shah
2009-08-05 9:58 ` Amit Shah
2009-08-05 0:03 ` Rusty Russell
2009-07-27 20:22 ` virtio-serial: An interface for host-guest communication Anthony Liguori
2009-07-27 20:22 ` [Qemu-devel] " Anthony Liguori
2009-07-27 20:32 ` Daniel P. Berrange
2009-07-27 20:37 ` Anthony Liguori
2009-07-27 20:37 ` Anthony Liguori
2009-07-27 20:46 ` Jamie Lokier
2009-07-27 20:46 ` Jamie Lokier [this message]
2009-07-27 20:46 ` Jamie Lokier
2009-07-27 23:44 ` Anthony Liguori
2009-07-27 23:44 ` Anthony Liguori
2009-07-28 10:36 ` Amit Shah
2009-07-28 10:36 ` Amit Shah
2009-07-28 10:36 ` Amit Shah
2009-07-28 13:42 ` Anthony Liguori
2009-07-29 7:44 ` Amit Shah
2009-07-29 7:44 ` Amit Shah
2009-07-29 7:44 ` Amit Shah
2009-07-29 7:48 ` Gleb Natapov
2009-07-29 7:48 ` Gleb Natapov
2009-08-05 18:00 ` Jamie Lokier
2009-08-05 18:00 ` Jamie Lokier
2009-08-05 18:00 ` Jamie Lokier
2009-07-29 7:48 ` Gleb Natapov
2009-07-28 13:42 ` Anthony Liguori
2009-07-28 14:00 ` Richard W.M. Jones
2009-07-28 14:00 ` Richard W.M. Jones
2009-07-28 14:48 ` Anthony Liguori
2009-07-28 14:55 ` Richard W.M. Jones
2009-07-28 14:55 ` Richard W.M. Jones
2009-07-28 15:00 ` Anthony Liguori
2009-07-28 15:00 ` Anthony Liguori
2009-07-28 14:48 ` Anthony Liguori
2009-08-03 19:57 ` Anthony Liguori
2009-08-03 19:57 ` Anthony Liguori
2009-08-05 17:57 ` Jamie Lokier
2009-08-05 17:57 ` Jamie Lokier
2009-08-05 18:00 ` Anthony Liguori
2009-08-05 18:00 ` Anthony Liguori
2009-08-06 10:38 ` Amit Shah
2009-08-06 10:38 ` Amit Shah
2009-08-06 13:29 ` Anthony Liguori
2009-08-06 13:29 ` Anthony Liguori
2009-08-06 13:29 ` Anthony Liguori
2009-08-06 13:41 ` Amit Shah
2009-08-06 13:41 ` Amit Shah
2009-08-06 13:58 ` Anthony Liguori
2009-08-06 13:58 ` Anthony Liguori
2009-08-06 14:04 ` Amit Shah
2009-08-06 14:04 ` Amit Shah
2009-08-06 14:04 ` Amit Shah
2009-08-06 17:37 ` Jamie Lokier
2009-08-06 17:37 ` Jamie Lokier
2009-08-07 6:38 ` Amit Shah
2009-08-07 6:38 ` Amit Shah
2009-08-07 6:38 ` Amit Shah
2009-08-07 14:14 ` Anthony Liguori
2009-08-07 14:14 ` Anthony Liguori
2009-08-10 6:55 ` Amit Shah
2009-08-10 6:55 ` Amit Shah
2009-08-10 9:47 ` Gerd Hoffmann
2009-08-10 9:47 ` Gerd Hoffmann
2009-08-10 9:47 ` Gerd Hoffmann
2009-08-10 13:02 ` Anthony Liguori
2009-08-10 13:02 ` Anthony Liguori
2009-08-10 13:02 ` Anthony Liguori
2009-08-10 14:02 ` Gerd Hoffmann
2009-08-10 14:02 ` Gerd Hoffmann
2009-08-10 14:02 ` Gerd Hoffmann
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 15:34 ` Gerd Hoffmann
2009-08-10 15:34 ` Gerd Hoffmann
2009-08-10 15:34 ` Gerd Hoffmann
2009-08-10 16:59 ` Anthony Liguori
2009-08-10 16:59 ` Anthony Liguori
2009-08-10 16:59 ` Anthony Liguori
2009-08-10 17:27 ` Anthony Liguori
2009-08-10 17:27 ` Anthony Liguori
2009-08-10 17:27 ` Anthony Liguori
2009-08-12 18:27 ` Paul Brook
2009-08-12 18:27 ` Paul Brook
2009-08-12 18:27 ` Paul Brook
2009-08-14 8:15 ` Amit Shah
2009-08-14 8:15 ` Amit Shah
2009-08-14 13:29 ` Anthony Liguori
2009-08-14 13:29 ` Anthony Liguori
2009-08-14 13:41 ` Amit Shah
2009-08-14 13:41 ` Amit Shah
2009-08-14 13:41 ` Amit Shah
2009-08-20 13:42 ` Amit Shah
2009-08-20 13:42 ` Amit Shah
2009-08-20 13:42 ` Amit Shah
2009-08-20 14:25 ` Daniel P. Berrange
2009-08-20 14:25 ` Daniel P. Berrange
2009-08-20 14:38 ` Amit Shah
2009-08-20 14:38 ` Amit Shah
2009-08-20 14:42 ` Amit Shah
2009-08-20 14:42 ` Amit Shah
2009-08-20 14:42 ` Amit Shah
2009-08-14 13:29 ` Anthony Liguori
2009-08-14 13:49 ` Gerd Hoffmann
2009-08-14 13:49 ` Gerd Hoffmann
2009-08-14 16:25 ` Anthony Liguori
2009-08-14 16:25 ` Anthony Liguori
2009-08-20 7:31 ` Rusty Russell
2009-08-20 7:31 ` Rusty Russell
2009-08-20 7:44 ` Gerd Hoffmann
2009-08-20 7:44 ` Gerd Hoffmann
2009-08-20 7:55 ` Amit Shah
2009-08-20 7:55 ` Amit Shah
2009-08-20 7:55 ` Amit Shah
2009-08-20 17:10 ` Jamie Lokier
2009-08-20 17:10 ` Jamie Lokier
2009-08-20 17:10 ` Jamie Lokier
2009-08-25 12:43 ` Rusty Russell
2009-08-25 12:43 ` Rusty Russell
2009-08-25 12:43 ` Rusty Russell
2009-08-25 13:00 ` Gerd Hoffmann
2009-08-25 13:00 ` Gerd Hoffmann
2009-08-25 13:00 ` Gerd Hoffmann
2009-08-20 7:44 ` Gerd Hoffmann
2009-08-20 7:31 ` Rusty Russell
2009-08-14 16:25 ` Anthony Liguori
2009-08-14 8:15 ` Amit Shah
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 14:20 ` Anthony Liguori
2009-08-10 23:09 ` Rusty Russell
2009-08-10 23:09 ` Rusty Russell
2009-08-11 0:16 ` Anthony Liguori
2009-08-11 0:16 ` Anthony Liguori
2009-08-11 0:16 ` Anthony Liguori
2009-08-10 23:09 ` Rusty Russell
2009-08-10 14:27 ` Anthony Liguori
2009-08-10 14:27 ` Anthony Liguori
2009-08-10 15:57 ` Gerd Hoffmann
2009-08-10 15:57 ` Gerd Hoffmann
2009-08-10 15:57 ` Gerd Hoffmann
2009-08-06 17:37 ` Jamie Lokier
2009-08-06 13:58 ` Anthony Liguori
2009-08-06 13:41 ` Amit Shah
2009-08-06 10:38 ` Amit Shah
2009-08-05 18:00 ` Anthony Liguori
2009-08-06 10:35 ` Amit Shah
2009-08-06 10:35 ` Amit Shah
2009-08-06 10:35 ` Amit Shah
2009-08-05 17:57 ` Jamie Lokier
2009-08-05 18:32 ` Richard W.M. Jones
2009-08-05 18:32 ` Richard W.M. Jones
2009-07-27 23:44 ` Anthony Liguori
2009-07-27 20:32 ` Daniel P. Berrange
2009-07-27 20:22 ` Anthony Liguori
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