From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: [PATCH] tools/hvmloader: move shared_info to reserved memory area Date: Thu, 25 Oct 2012 13:46:45 +0200 Message-ID: <20121025114645.GA7218@aepfle.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Keir Fraser , Konrad Rzeszutek Wilk Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Thu, Oct 25, Keir Fraser wrote: > To be honest, given that the XenPVHVM extensions to Linux won't have been > tested on such old hypervisors, it wouldn't be a bad thing to bail on > setting up the extensions when you detect running on a really old Xen > version (e.g., earlier than 3.4.0) anyway. There's a fair chance of doing > more harm than good? I could stick such a check into arch/x86/xen/enlighten.c:x86_hyper_xen_hvm->detect, by rearranging the code of xen_hvm_platform and init_hvm_pv_info. Konrad, what do you think about that? Recent changes indicate that you did some testing on 3.4 based hosts. Olaf