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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 67636C54E64 for ; Mon, 25 Mar 2024 23:35:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YxfSZ+XmEBDCbcVv5p16ZuaX2uIwCuz2RBtYeS/bHHc=; b=dGq4mSv2XK+omJ BVGKNhPkfsijQOfIpBqL5f+WQFlvqIq0h/eSMhCK29+LtoivPcR23oUP2ZtizhLYD/4IBbem0Ytcs tg0Yf1R9kccpsK+z1AoA4IlqAs1tavTzTHrxCpWZ2mZkKFk/J6khZzqFT+CDTklvX8c4hJFiy2CWz En9nP1pS+D29uaGAXfoOBN8WIJy363Spw/AhaB4tDtFO6zTgCSLZhpvd7P3Zsb9tWjTuXEggO6gmO I3V2Er/IGpYfULvCz1YQRIbCCjhzeVBzC4HYQx+nT6SwWO8uutRkkVKHejjGRZkKIPIRAk5kqGYYo dsA5gPF0Nec8otC+m4Ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rotqq-00000002MoI-0eDM; Mon, 25 Mar 2024 23:35:36 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rotqk-00000002Mn2-2dvz for kexec@lists.infradead.org; Mon, 25 Mar 2024 23:35:32 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711409728; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=MsXpqf78rAM4i4+ZjUMsQiXhxVgsssODolYLYbs5cZ0=; b=UUPQz3KPNWmOk386IwMQoMu4gshxX970pGGMvpOjIYoCRWg+nqfO1ExfQnRt+VII3/R6tF OQ82S/zT1N4HCJYgwKgbbm6Wtj3eww3T00WAOEr0ZG9JnEo8N9yJIWkr39+Fv6kWfTFWHF VNh+l5oIheg2fEyPZzuNL0r+cDUXCg8= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-339-wka9NgxKOCGU0mZ99BvNrQ-1; Mon, 25 Mar 2024 19:35:25 -0400 X-MC-Unique: wka9NgxKOCGU0mZ99BvNrQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2ABED3C025B8; Mon, 25 Mar 2024 23:35:25 +0000 (UTC) Received: from localhost (unknown [10.72.116.12]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4D96FC3E620; Mon, 25 Mar 2024 23:35:22 +0000 (UTC) Date: Tue, 26 Mar 2024 07:35:16 +0800 From: Baoquan He To: Andrew Morton Cc: kexec@lists.infradead.org, mingo@kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, chenhuacai@loongson.cn, dyoung@redhat.com, jbohac@suse.cz, lihuafei1@huawei.com, chenhaixiang3@huawei.com Subject: Re: [PATCH v2] crash: use macro to add crashk_res into iomem early for specific arch Message-ID: References: <20240324033513.1027427-1-bhe@redhat.com> <20240325132909.741ae47a8a05837c175a981e@linux-foundation.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240325132909.741ae47a8a05837c175a981e@linux-foundation.org> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240325_163530_767542_06BC8B1C X-CRM114-Status: GOOD ( 17.24 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On 03/25/24 at 01:29pm, Andrew Morton wrote: > On Mon, 25 Mar 2024 09:50:50 +0800 Baoquan He wrote: > > > There are regression reports[1][2] that crashkernel region on x86_64 can't > > be added into iomem tree sometime. This causes the later failure of kdump > > loading. > > So I think a cc:stable is needed. Yeah, I forgot this. > > > This happened after commit 4a693ce65b18 ("kdump: defer the insertion of > > crashkernel resources") was merged. > > > > Even though, these reported issues are proved to be related to other > > component, they are just exposed after above commmit applied, I still > > would like to keep crashk_res and crashk_low_res being added into iomem > > early as before because the early adding has been always there on x86_64 > > and working very well. For safety of kdump, Let's change it back. > > I'll use 4a693ce65b18 as the Fixes: target, since there is no > "Exposed-by-non-buggy-patch:" tag. To tell the -stable tree > maintainers how far back in history this should be backported. Thanks a lot. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec