From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] shared_info size and padding fixes Date: Thu, 10 Aug 2006 10:33:01 +0200 Message-ID: <44DB0B5D.76E4.0078.0@novell.com> References: <20060809210528.GA31314@totally.trollied.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20060809210528.GA31314@totally.trollied.org> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: John Levon Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org >>> John Levon 09.08.06 23:05 >>> >sizeof(shared_info_t) can change even in compatible hypervisor versions. >Add a clear warning about this, and fix the few places relying on it. >In addition, add some padding to arch_shared_info, to allow future >additions to the structure without breaking known offsets of members >following it in the shared info. Shouldn't you also bump the ABI version with these compatibility breaking changes to the shared info structure? Jan