From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jamie Lokier Subject: Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication Date: Mon, 27 Jul 2009 21:46:27 +0100 Message-ID: <20090727204627.GA32432@shareable.org> References: <1248717876-17630-1-git-send-email-amit.shah@redhat.com> <4A6E0C9E.10908@codemonkey.ws> <20090727203214.GG15020@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Anthony Liguori , Amit Shah , qemu-devel@nongnu.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: "Daniel P. Berrange" Return-path: Received: from mail2.shareable.org ([80.68.89.115]:42691 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754699AbZG0Uqb (ORCPT ); Mon, 27 Jul 2009 16:46:31 -0400 Content-Disposition: inline In-Reply-To: <20090727203214.GG15020@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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