From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hopwood Subject: Re: /proc/xen/xenbus supports watch? Date: Wed, 28 Sep 2005 00:31:37 +0100 Message-ID: <4339D659.6020401@blueyonder.co.uk> References: <152436486e4a36af94a87ad6d40a768e@cl.cam.ac.uk> <1127354853.7567.6.camel@localhost.localdomain> <1127429689.2722.2.camel@localhost.localdomain> <785f15905bfe17d87d6bd0eb878cc166@cl.cam.ac.uk> <1127618982.796.71.camel@localhost.localdomain> <39daa0554066842da8701a90d9f01386@cl.cam.ac.uk> <4318f53c57216e19ba81c096b4a0c849@cl.cam.ac.uk> <20050925185529.GW9610@cl.cam.ac.uk> <1127716571.9596.50.camel@localhost.localdomain> <20050926185158.GF10661@cl.cam.ac.uk> <1127805345.7703.107.camel@localhost.localdomain> Reply-To: david.nospam.hopwood@blueyonder.co.uk Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1127805345.7703.107.camel@localhost.localdomain> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Rusty Russell wrote: > On Mon, 2005-09-26 at 19:51 +0100, Christian Limpach wrote: >>On Mon, Sep 26, 2005 at 04:36:11PM +1000, Rusty Russell wrote: >> >>Before I reply to the rest of your comments, I'd like to point out that >>I don't agree with your assumption that we can delay suspend/resume >>until we're outside of a transaction. This seems to be the fundamental >>difference driving different solutions. > > Absolutely. The delays will be immeasurably short. What about denial of service (intentional or due to bugs in guest OSes/tools)? -- David Hopwood