Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp777876rwb; Wed, 16 Nov 2022 07:33:14 -0800 (PST) X-Google-Smtp-Source: AA0mqf6P9HD/qjTj5ilysV16ltuDKNrwNli2ApfkZhIo9xQumpez34piigYOtOKl7Uf2rIcZNEqP X-Received: by 2002:a17:90a:ab82:b0:213:c5ae:55ec with SMTP id n2-20020a17090aab8200b00213c5ae55ecmr4162092pjq.182.1668612794417; Wed, 16 Nov 2022 07:33:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668612794; cv=none; d=google.com; s=arc-20160816; b=GTk50eaFUQ09GEV+17Ew4EC/z+m20V2MYFb01szlnYBfQaVgmjLqBw9dg6skEe0z1+ IpN0J9inwlJ4RyoI5LYlsIwSkbK/RugDm9oOpfP1JAxfbcLKbJ5nZKVLDBHwUNJCT6BI +P9fhR6kL+OD8owg2X+QsxTYlVFvbjmXx1Y3ANNu+99H12MJHaxJMltQEVfDlGIePZBk FwtMe8vJTz9I7IFheHs8jPexpcLQklrmuAvuIUfWTgIxWByeGGfQkDdkSJ9sD23cRTUZ +17ZLUM12CXSnO2D3QwFF5jyrDm7hbR5AMrd9DeQCuHCcQ4TL4Ck8a43OWZO9nYaBEXp JWIg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=6DuYnEF6gq3qXSqDgCIjjWRCFO5zCuraq0OhnkKH+3g=; b=ypGAUtlFBlYfE9Tk1OOOVRBobIwR96wnqArQnhRbUlgPeFViX6BpPbjA6yiHzVmG51 k6Z0h+sI0IYyF1kEa++9mn0Yv8zq+hSpiYb15XyBxR24VRkQOyktRy/VvoyjxFHmz3cY Az0S5mOHqqMQhjLlIY5H6WQfpimWqa0jiNXCgW0yjFisDC+0lDKgCMXJpPvdUSav9mgC 1khdI16taM2aUXWrxANCcqXMQev2Gfp8tqdkSIfLyUqM0zy0agwxCa8mMyo5SIeg/57O /At383Nr7yi0/rh5yBSgmhGguiIB1eeuW1Rg7bMlfyRqMr4MZZz73jr3yA8SLHqp9Nd4 pcPQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q145-20020a632a97000000b00476d18b0d24si3892763pgq.742.2022.11.16.07.33.02; Wed, 16 Nov 2022 07:33:14 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232869AbiKPPKw (ORCPT + 92 others); Wed, 16 Nov 2022 10:10:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229463AbiKPPKt (ORCPT ); Wed, 16 Nov 2022 10:10:49 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A5AB43AD2; Wed, 16 Nov 2022 07:10:48 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1549D61E78; Wed, 16 Nov 2022 15:10:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16917C433C1; Wed, 16 Nov 2022 15:10:41 +0000 (UTC) Date: Wed, 16 Nov 2022 15:10:36 +0000 From: Catalin Marinas To: Zhen Lei Cc: Dave Young , Baoquan He , Vivek Goyal , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Will Deacon , linux-arm-kernel@lists.infradead.org, Jonathan Corbet , linux-doc@vger.kernel.org, "Eric W . Biederman" , Randy Dunlap , Feng Zhou , Kefeng Wang , Chen Zhou , John Donnelly , Dave Kleikamp Subject: Re: [PATCH v4 2/2] arm64: kdump: Support crashkernel=X fall back to reserve region above DMA zones Message-ID: References: <20221116121044.1690-1-thunder.leizhen@huawei.com> <20221116121044.1690-3-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221116121044.1690-3-thunder.leizhen@huawei.com> X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 16, 2022 at 08:10:44PM +0800, Zhen Lei wrote: > For crashkernel=X without '@offset', select a region within DMA zones > first, and fall back to reserve region above DMA zones. This allows > users to use the same configuration on multiple platforms. > > Signed-off-by: Zhen Lei > Acked-by: Baoquan He Reviewed-by: Catalin Marinas