From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62909FA3728 for ; Wed, 16 Oct 2019 11:07:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BBED20854 for ; Wed, 16 Oct 2019 11:07:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="bJIkwwcH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404850AbfJPLHr (ORCPT ); Wed, 16 Oct 2019 07:07:47 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:40710 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728406AbfJPLHr (ORCPT ); Wed, 16 Oct 2019 07:07:47 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x9GB47jo131252; Wed, 16 Oct 2019 11:07:03 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-2019-08-05; bh=aWHhLYwSawiorx+Po3WUPkLbtnXvsVxnqtcmobZcGC8=; b=bJIkwwcHuHE3suC8BGZ3JOjcpOQL6l0zoXgHJGQZbQquOA5MAxRBEVpxXLMxIR5gl2wf BzuMl819pP84XBq4+YgEhOzRBp3RuxrT0vB7xBVd39/SlTOvR5Ely4dTNHU2SPxx6DyM bYpN/2EN/rogOnwUJwyiaiDrhLAGUFk2qb5ZVzbk4IUaQQCT3v5cQ+epN8llR1D3hqan 9ylP+3KNLSiA/jAqV8TifV1xu9BIi9ZeB2MVwURUk0eVLpBVly5+zmT570h20J6NI8og 360AuzuR4T7YcZEE0536ojYSWbstq6Tu3kAAq0ooOv0k3UP2iALuOZRBKnt5VpAYiYYP uQ== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 2vk68up352-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Oct 2019 11:07:03 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x9GB2a8w136503; Wed, 16 Oct 2019 11:07:03 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 2vnxv9dsxj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Oct 2019 11:07:03 +0000 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 x9GB6nED022214; Wed, 16 Oct 2019 11:06:55 GMT Received: from tomti.i.net-space.pl (/10.175.219.98) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 16 Oct 2019 11:06:48 +0000 Date: Wed, 16 Oct 2019 13:06:42 +0200 From: Daniel Kiper To: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, xen-devel@lists.xenproject.org Cc: ard.biesheuvel@linaro.org, boris.ostrovsky@oracle.com, bp@alien8.de, corbet@lwn.net, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, eric.snowberg@oracle.com, hpa@zytor.com, jgross@suse.com, konrad.wilk@oracle.com, mingo@redhat.com, ross.philipson@oracle.com, tglx@linutronix.de Subject: Re: [PATCH v3 0/3] x86/boot: Introduce the kernel_info et consortes Message-ID: <20191016110642.5q3bm73vi6o6gn5r@tomti.i.net-space.pl> References: <20191009105358.32256-1-daniel.kiper@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191009105358.32256-1-daniel.kiper@oracle.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9411 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=727 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910160100 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9411 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=812 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910160100 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 09, 2019 at 12:53:55PM +0200, Daniel Kiper wrote: > Hi, > > Due to very limited space in the setup_header this patch series introduces new > kernel_info struct which will be used to convey information from the kernel to > the bootloader. This way the boot protocol can be extended regardless of the > setup_header limitations. Additionally, the patch series introduces some > convenience features like the setup_indirect struct and the > kernel_info.setup_type_max field. > > Daniel > > Documentation/x86/boot.rst | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > arch/x86/boot/Makefile | 2 +- > arch/x86/boot/compressed/Makefile | 4 +- > arch/x86/boot/compressed/kaslr.c | 12 ++++++ > arch/x86/boot/compressed/kernel_info.S | 22 +++++++++++ > arch/x86/boot/header.S | 3 +- > arch/x86/boot/tools/build.c | 5 +++ > arch/x86/include/uapi/asm/bootparam.h | 16 +++++++- > arch/x86/kernel/e820.c | 11 ++++++ > arch/x86/kernel/kdebugfs.c | 20 ++++++++-- > arch/x86/kernel/ksysfs.c | 30 ++++++++++---- > arch/x86/kernel/setup.c | 4 ++ > arch/x86/mm/ioremap.c | 11 ++++++ > 13 files changed, 292 insertions(+), 16 deletions(-) > > Daniel Kiper (3): > x86/boot: Introduce the kernel_info > x86/boot: Introduce the kernel_info.setup_type_max > x86/boot: Introduce the setup_indirect hpa, ping? Daniel