From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1gKM8E-0000N5-7y for mharc-grub-devel@gnu.org; Wed, 07 Nov 2018 06:36:22 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49566) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gKM8B-0000Ml-Qd for grub-devel@gnu.org; Wed, 07 Nov 2018 06:36:20 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gKM87-00069x-Li for grub-devel@gnu.org; Wed, 07 Nov 2018 06:36:19 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:37882) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gKM87-00068j-BR for grub-devel@gnu.org; Wed, 07 Nov 2018 06:36:15 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wA7BYH1a163394; Wed, 7 Nov 2018 11:36:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2018-07-02; bh=v5w93LKyn17RLlAixev3d+s0YQalnWWclXxIcJx44Os=; b=G2DNXSg0+5DoVRsJyCin0fInst9bL20wFw1rr7+ioAgMj4z56bT587lvOrJqDAb5fPqR Y2x7LhdBj7MekmpB0D+SAgfcYLV01krSGAOMlEjWqSH7b23/7x+JpNonQT+BCCiB/ynG ni50KVh3Uzd9foG+IUPvPAMOm7l836g1kpg4pzmW0bFkLCVZeZVuwXpKDms++GucaYeG GRirUTC1wGrWdI26wjSa6Ufyn0CENDwxcoEF6U9p3/ZSdruZF2L2WbzOFbgpMu2omX45 2k5/LQbf/5z1PxoGrZxcW325gmUWVKaUIr/vMH0nRpTj5c0QuyBlu1kRk9IiExdhYxUG gg== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp2120.oracle.com with ESMTP id 2nh3mptxd6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 07 Nov 2018 11:36:11 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wA7BaAXQ025106 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 7 Nov 2018 11:36:11 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wA7Ba7Oc024626; Wed, 7 Nov 2018 11:36:07 GMT Received: from olila.i.net-space.pl (/10.175.206.179) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 07 Nov 2018 03:36:06 -0800 Date: Wed, 7 Nov 2018 12:36:02 +0100 From: Daniel Kiper To: Juergen Gross Cc: grub-devel@gnu.org, xen-devel@lists.xen.org, phcoder@gmail.com, hans@knorrie.org Subject: Re: [PATCH v4 02/19] loader/linux: support passing rsdp address via boot params Message-ID: <20181107113602.GE4358@olila.i.net-space.pl> References: <20181102123738.16395-1-jgross@suse.com> <20181102123738.16395-3-jgross@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181102123738.16395-3-jgross@suse.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9069 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811070107 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 141.146.126.78 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Nov 2018 11:36:20 -0000 On Fri, Nov 02, 2018 at 01:37:21PM +0100, Juergen Gross wrote: > Xen PVH guests will have the RSDP at an arbitrary address. Support that > by passing the RSDP address via the boot parameters to Linux. > > The new protocol version 2.14 requires to set version to 0x8000 ored > with the actually use protocol version (the minimum of the kernel > supplied protocol version and the grub2 supported protocol version) > if 2.14 or higher are in effect. > > Signed-off-by: Juergen Gross Reviewed-by: Daniel Kiper Daniel