From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v2 2/2] xen: add acpi_arch_get_root_pointer() for pvh guests Date: Thu, 25 Jan 2018 10:46:05 -0500 Message-ID: References: <20180125143639.9969-1-jgross@suse.com> <20180125143639.9969-3-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from aserp2130.oracle.com ([141.146.126.79]:60738 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbeAYPqS (ORCPT ); Thu, 25 Jan 2018 10:46:18 -0500 In-Reply-To: <20180125143639.9969-3-jgross@suse.com> Content-Language: en-US Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Juergen Gross , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, xen-devel@lists.xenproject.org Cc: lenb@kernel.org, rafael.j.wysocki@intel.com, mingo@redhat.com, stable@vger.kernel.org On 01/25/2018 09:36 AM, Juergen Gross wrote: > Add acpi_arch_get_root_pointer() for Xen PVH guests to communicate > the address of the RSDP table given to the kernel via Xen start info. > > This makes the kernel boot again in PVH mode after on recent Xen the > RSDP was moved to higher addresses. So up to that change it was pure > luck that the legacy method to locate the RSDP was working when > running as PVH mode. > > Cc: # 4.11 > Signed-off-by: Juergen Gross Reviewed-by: Boris Ostrovsky