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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 DEF8EC2BA19 for ; Wed, 15 Apr 2020 20:40:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A561620787 for ; Wed, 15 Apr 2020 20:40:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fu84+hzV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A561620787 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=xmission.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Subject:MIME-Version:Message-ID: In-Reply-To:Date:References:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PMY4DtLtoLcVjFxwajiMUOVrT1/nXUcX2k4VeLO4nVM=; b=fu84+hzV3JVzWg JXOslTJMUihUk0J5wkijM2WwZXKSRhnhnvLlxdcOzen7YbjQQdoN5aDgsj20kcQtg0lOkdNiquJGo aL84viSkDKgCKZ6brTQjXSgl/weFhJw+XID2rbQID5X9dFtyoWzlumXTS3UgJSHL/V39CHovMiaH3 8Lse5l8Wki2eJ7MP8B208So3HGH51FqusrRhUzx6N4OZP50NcOq48VEaiTwqCrzoRUZRyid363j7i kjxS+jt6nK1n/SDp48ATe6Wdszm038QVmwz5bmwEvQa/dkGh32kAjLMFmCet3EILQR4Db12W7XFc7 4UqeVjoK4yPw0FL++3NA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOopq-0003dt-2v; Wed, 15 Apr 2020 20:40:38 +0000 Received: from out02.mta.xmission.com ([166.70.13.232]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOopm-0003dM-8M; Wed, 15 Apr 2020 20:40:35 +0000 Received: from in02.mta.xmission.com ([166.70.13.52]) by out02.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jOopk-0004Y6-1W; Wed, 15 Apr 2020 14:40:32 -0600 Received: from ip68-227-160-95.om.om.cox.net ([68.227.160.95] helo=x220.xmission.com) by in02.mta.xmission.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.87) (envelope-from ) id 1jOopj-00044t-6u; Wed, 15 Apr 2020 14:40:31 -0600 From: ebiederm@xmission.com (Eric W. Biederman) To: James Morse References: <20200326180730.4754-1-james.morse@arm.com> <20200326180730.4754-4-james.morse@arm.com> Date: Wed, 15 Apr 2020 15:37:32 -0500 In-Reply-To: <20200326180730.4754-4-james.morse@arm.com> (James Morse's message of "Thu, 26 Mar 2020 18:07:30 +0000") Message-ID: <87v9m0fptf.fsf@x220.int.ebiederm.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 X-XM-SPF: eid=1jOopj-00044t-6u; ; ; mid=<87v9m0fptf.fsf@x220.int.ebiederm.org>; ; ; hst=in02.mta.xmission.com; ; ; ip=68.227.160.95; ; ; frm=ebiederm@xmission.com; ; ; spf=neutral X-XM-AID: U2FsdGVkX1+JJqbotLvSUq0NShDOKTNwYRyLEmWn4Co= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: Re: [PATCH 3/3] arm64: memory: Give hotplug memory a different resource name X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200415_134034_296024_EA78A007 X-CRM114-Status: UNSURE ( 8.58 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anshuman Khandual , Catalin Marinas , Bhupesh Sharma , kexec@lists.infradead.org, linux-mm@kvack.org, Andrew Morton , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org James Morse writes: > If kexec chooses to place the kernel in a memory region that was > added after boot, we fail to boot as the kernel is running from a > location that is not described as memory by the UEFI memory map or > the original DT. > > To prevent unaware user-space kexec from doing this accidentally, > give these regions a different name. Please fix the problem and don't hack around it. Eric _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel