From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: [PATCH] x86/hvm: implement save/restore for posted interrupts Date: Thu, 2 Oct 2014 10:20:37 +0200 Message-ID: <20141002082037.GB30907@aepfle.de> References: <20140805103224.GA15563@aepfle.de> <20140919133227.GA2611@aepfle.de> <542AF41C020000780003B2EC@mail.emea.novell.com> <20141001080706.GA11230@aepfle.de> <542BD772020000780003B5ED@mail.emea.novell.com> <20141001201302.GA30085@aepfle.de> <542D1206020000780003BCA1@mail.emea.novell.com> <542D087F.90604@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <542D087F.90604@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Andrew Cooper Cc: Kevin Tian , Jan Beulich , Eddie Dong , "xen-devel@lists.xen.org" , Jun Nakajima , Yang Z Zhang List-Id: xen-devel@lists.xenproject.org On Thu, Oct 02, Andrew Cooper wrote: > On 02/10/2014 07:51, Jan Beulich wrote: > >>>> On 01.10.14 at 22:13, wrote: > >> One thing I'm not sure about is the firmware of such IvyBridge system. > >> The firmware of the system I can use for testing dumps alot to serial > >> during startup. Not sure if its EFI or not. At least it boots into > >> grub1, so I suspect it has a legacy BIOS. If an EFI system is used, > >> would that change anything? The initial report I got was appearently > >> also with legacy BIOS. Did Intel test with EFI by any chance? > > I don't think firmware should matter here at all. It should merely be > > the exact CPU model that would likely matter. > > XenServer can replicate this problem on all APICV capable hardware we > own, and observe the problem being fixed in all cases using v5 of the > patch from this series. What patch is that? URL? Olaf