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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 69681C4360F for ; Thu, 4 Apr 2019 01:02:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 415152082E for ; Thu, 4 Apr 2019 01:02:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726515AbfDDBCp (ORCPT ); Wed, 3 Apr 2019 21:02:45 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:34530 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726099AbfDDBCp (ORCPT ); Wed, 3 Apr 2019 21:02:45 -0400 X-IronPort-AV: E=Sophos;i="5.60,306,1549900800"; d="scan'208";a="58426839" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 04 Apr 2019 09:02:42 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (unknown [10.167.33.80]) by cn.fujitsu.com (Postfix) with ESMTP id 30B494CD7FE1; Thu, 4 Apr 2019 09:02:43 +0800 (CST) Received: from localhost.localdomain (10.167.225.56) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 4 Apr 2019 09:02:48 +0800 Date: Thu, 4 Apr 2019 09:02:38 +0800 From: Chao Fan To: Borislav Petkov CC: Dave Young , "bhe@redhat.com" , Junichi Nomura , "kasong@redhat.com" , "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Message-ID: <20190404010238.GK1555@localhost.localdomain> References: <20190401000837.GA5170@jeru.linux.bs1.fc.nec.co.jp> <20190402120319.GA7605@dhcp-128-65.nay.redhat.com> <20190403053459.GD1555@localhost.localdomain> <20190403055340.GA11976@dhcp-128-65.nay.redhat.com> <20190403063911.GA2579@dhcp-128-65.nay.redhat.com> <20190403073023.GF1555@localhost.localdomain> <20190403075015.GQ7627@MiWiFi-R3L-srv> <20190403082313.GA14838@dhcp-128-65.nay.redhat.com> <20190403082634.GA14852@dhcp-128-65.nay.redhat.com> <20190403161429.GD6970@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20190403161429.GD6970@zn.tnic> User-Agent: Mutt/1.11.3 (2019-02-01) X-Originating-IP: [10.167.225.56] X-yoursite-MailScanner-ID: 30B494CD7FE1.AD93B X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: fanc.fnst@cn.fujitsu.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 03, 2019 at 06:14:29PM +0200, Borislav Petkov wrote: >On Wed, Apr 03, 2019 at 04:26:34PM +0800, Dave Young wrote: >> Personally I would like to have a cmdline to bypass the early acpi code >> because early code is hard to debug, if we have something weird happens >> we can try to gate out these code, and then get some idea.. > >No, this early crap better work on all machines by default. > >Also, Chao, are you telling me that you've only tested in a VM? Or In VM, with all cases. In real machine, test boot and RSDP parsing, not hotremove memory. Thanks, Chao Fan >have you actually tested your code on an actual machine with memory >hotremove? > >-- >Regards/Gruss, > Boris. > >Good mailing practices for 400: avoid top-posting and trim the reply. > >