Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935351Ab2JaKVk (ORCPT ); Wed, 31 Oct 2012 06:21:40 -0400 Received: from smtp.tele.fi ([192.89.123.25]:58393 "EHLO smtp.tele.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933255Ab2JaKVi (ORCPT ); Wed, 31 Oct 2012 06:21:38 -0400 X-Originating-Ip: [194.89.68.22] Date: Wed, 31 Oct 2012 12:21:28 +0200 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= To: Olaf Hering Cc: Ian Campbell , Jeremy Fitzhardinge , "xen-devel@lists.xensource.com" , "linux-kernel@vger.kernel.org" , Konrad Rzeszutek Wilk Subject: Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0 Message-ID: <20121031102128.GA8912@reaktio.net> References: <1351613105-24408-1-git-send-email-olaf@aepfle.de> <20121030181732.GZ8912@reaktio.net> <20121030182859.GA8775@aepfle.de> <1351672212.20470.7.camel@hastur.hellion.org.uk> <20121031092925.GA22587@aepfle.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121031092925.GA22587@aepfle.de> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1435 Lines: 33 On Wed, Oct 31, 2012 at 10:29:25AM +0100, Olaf Hering wrote: > On Wed, Oct 31, Ian Campbell wrote: > > > If I understand correctly this requirements comes from the need to > > support moving the shared info page in order to support kexec? > > > > So could we do something more fine grained and limit only the kexec > > support (and therefore the movement of the SI into that range) to 3.4+? > > Its not strictly about kexec. The other patch I sent out will place the > shared info page at 0xFE700000. If that range is not within a > E820_Reserved area and if the old hvmloader makes allocations within > that range, that other patch needs to be changed so that the shared info > page is done either at 0xFE700000 or within RESERVE_BRK (as it is done > currently). > > Is the source code of that old RHEL available somewhere, did they patch > hvmloader at all? Providing a E820 map from a guest which was started on > such old dom0 would be a good start. > http://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/xen-3.0.3-135.el5_8.5.src.rpm That's the userland, actual Xen hypervisor is in the kernel src.rpm. I can provide a dmesg from a guest later today. -- Pasi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/