From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rich Persaud Subject: Re: Xen compatibility interface numbering Date: Mon, 07 Mar 2005 05:43:56 -0500 Message-ID: <422C306C.8080209@xensource.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Ian Pratt Cc: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Ian Pratt wrote: >>2. Does Xen/dom0/Xend perform version checking on domUs? >> >> > >Yes. > > Out of curiosity, what happens in dom0 if a domU spoofs its interface version? >>3. Can a binary Xen kernel be queried for its compatibility version? >> >> > >There's a dom0 op that queries the interface version. > > Is this accessible to the management tools, i.e. can Xend report the dom0 interface version to userland? If I have a domU binary kernel image (vmlinuz), is there any way to query its interface version (even a search string for strings+grep)? >>4. How frequently does the Xen compatibility interface change? >> >> > >Only when there's a major release number change. > > Major = 1.x, 2.x, 3.x, not 2.0.4 to 2.0.5-pre, right? So the Xen interface is compatible between 2.0.4 and the testing/unstable tree. Rich ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click