From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v2 02/11] xen/hvmlite: Bootstrap HVMlite guest Date: Thu, 4 Feb 2016 17:28:00 -0500 Message-ID: <56B3D070.9000607__6694.70228390328$1454624958$gmane$org@oracle.com> References: <1454341137-14110-1-git-send-email-boris.ostrovsky@oracle.com> <1454341137-14110-3-git-send-email-boris.ostrovsky@oracle.com> <20160203185525.GV20964@wotan.suse.de> <56B25F0C.2050808@oracle.com> <20160203234026.GS20964@wotan.suse.de> <56B3AC67.7080704@oracle.com> <20160204205721.GJ12481@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aRSNc-0007uq-Vx for xen-devel@lists.xenproject.org; Thu, 04 Feb 2016 22:28:01 +0000 In-Reply-To: <20160204205721.GJ12481@wotan.suse.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "Luis R. Rodriguez" Cc: pmonclus@plumgrid.com, GLin@suse.coma, bblanco@plumgrid.com, x86@kernel.org, linux-kernel@vger.kernel.org, "Luis R. Rodriguez" , David Vrabel , hpa@zytor.com, xen-devel@lists.xenproject.org, bp@suse.de, roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org On 02/04/2016 03:57 PM, Luis R. Rodriguez wrote: > > Ah, well here lies the issue. As per hpa subarch was not designed for defining > a hypervisor, but rather at least subarch PC (0) [should be used if the > hardware is] "enumerable using standard PC mechanisms (PCI, ACPI) and doesn't > need a special boot flow". Does that follow the definition of HVMlite? Yes. HVMlite is going to use baremetal boot flow. > OK great. That still means the code will run, and if we can avoid that > why not. I am fine with annotating this as future work to help. Let me > then ask as well, how about the rest of the code during and after > startup_32() and startup_64() -- are we sure that's all safe ? I can't be sure, all I can say is that so far I haven't seen any problems. -boris