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[209.132.180.67]) by mx.google.com with ESMTP id r22si4810321pfh.170.2018.01.25.07.48.05; Thu, 25 Jan 2018 07:48:20 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2017-10-26 header.b=rPJoL2j3; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751316AbeAYPqW (ORCPT + 99 others); Thu, 25 Jan 2018 10:46:22 -0500 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 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w0PFgPfQ057372; Thu, 25 Jan 2018 15:46:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2017-10-26; bh=GMaQTkQRWwPgeoxFWO3tLcSY+ob3qpFAOLKiXMDEB7I=; b=rPJoL2j3tjVd6WrH17HTAygyufODA9iL2FxZIcWG7kVS7pb6ySWzr4mSGtCu3XtH3dr4 QIeDVQpF+t3itszkWwE+CR40l9gVzESFYrIeMNf2Yhlrklm8d/vClcRfbOzKXo2J8QDR i1r6TEHKn8i5WBmjngTsLqdB+xax5kYIJgMf69GGQ19rIwKMVkyLxOq+Wpx3kXSfRoXn 5prQjm2gW9fDvyf++WT/oQIVDnpmbuBAlYrcP/ItxFAUor7m2fMF3V5Q7Y+muEzGiazp o7/cEjoDJudkoM83NM4fuIuVGmj/vUwm59lBAdkRUmHP/i4PYHyz5KPWN8cSwQ6/CkGj /w== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp2130.oracle.com with ESMTP id 2fqh6s8e2e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Jan 2018 15:46:09 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w0PFk8xU018740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 25 Jan 2018 15:46:08 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w0PFk7wG016260; Thu, 25 Jan 2018 15:46:07 GMT Received: from [10.0.2.15] (/24.218.178.67) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 25 Jan 2018 07:46:07 -0800 Subject: Re: [PATCH v2 2/2] xen: add acpi_arch_get_root_pointer() for pvh guests 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 References: <20180125143639.9969-1-jgross@suse.com> <20180125143639.9969-3-jgross@suse.com> From: Boris Ostrovsky Message-ID: Date: Thu, 25 Jan 2018 10:46:05 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20180125143639.9969-3-jgross@suse.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8784 signatures=668655 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=887 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1801250212 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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