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 271F3C433FE for ; Mon, 11 Apr 2022 02:57:59 +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=nCW+0d+/oC+FICOadUC175Oss+ALZAhTT9TibAFf7VM=; b=Z3RdBLNLPJdifA ivNigURq/A4qOGAJqz7iOq2G39ze72+UrxHQFQfkgzTXVHY9gc+A9NmBXeYMIy4NBkSVITjsZHPN1 jLuhyIe3y3T9+dyuOYNt2Gq9s6hiPib/b5U4sLKbpfzYKklrNlxB0v2JOR7yKWnXruSgPY1/RvZjg BgLp7LbYtFiVhOkowCfjhLT7b3x1SjHaf+woUzAwpBlAW7C3yxku0RQ5KYR+PWcqgbrAymwCcqOPS UjSiDQd8s4BAoTewR/pD6mLUGrPMXQmn/lM/O+D0dxCNT7xqdZO4gPTLisTvCn0NIXyr2CR7xvklE VD+JLNWp1acMUwMfgB5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ndkEa-006Lon-Is; Mon, 11 Apr 2022 02:56:56 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ndkEW-006Ln2-Rb for linux-arm-kernel@lists.infradead.org; Mon, 11 Apr 2022 02:56:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649645812; 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=T/TxVJ8j7MEenFEqiqkbwv+oE0JIQvDaicMqp8AOqcI=; b=IxsiRlVBhy+7zF9DBYsPnUNsNxeKB6J7ODIUrewuBOMDiHaldnTwOPEwqWL1JEFQC8hMM+ fJUkCRGfM95o7mfyuacOgF0l9/EviqnJJe3nBLYlZQnciGzyAq8pe+doxYYOA95bfCKiq5 4j6iqKAMIVM58TF+LfAhFXU4SJXPrdk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-361-H7MUrN6SN8WG-5xHhgUh7Q-1; Sun, 10 Apr 2022 22:56:47 -0400 X-MC-Unique: H7MUrN6SN8WG-5xHhgUh7Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8FBE4811E75; Mon, 11 Apr 2022 02:56:46 +0000 (UTC) Received: from localhost (ovpn-12-19.pek2.redhat.com [10.72.12.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5C3E3401E99; Mon, 11 Apr 2022 02:56:45 +0000 (UTC) Date: Mon, 11 Apr 2022 10:56:42 +0800 From: Baoquan He To: "Leizhen (ThunderTown)" Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H . Peter Anvin" , linux-kernel@vger.kernel.org, Dave Young , Vivek Goyal , Eric Biederman , kexec@lists.infradead.org, Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Rob Herring , Frank Rowand , devicetree@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Randy Dunlap , Feng Zhou , Kefeng Wang , Chen Zhou , John Donnelly , Dave Kleikamp Subject: Re: [PATCH v21 0/5] support reserving crashkernel above 4G on arm64 kdump Message-ID: References: <20220227030717.1464-1-thunder.leizhen@huawei.com> <3a0bb9a9-c2a1-2e3a-8f23-16109ae1e525@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3a0bb9a9-c2a1-2e3a-8f23-16109ae1e525@huawei.com> X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220410_195652_993206_29CCAB92 X-CRM114-Status: GOOD ( 18.48 ) X-BeenThere: linux-arm-kernel@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: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/08/22 at 05:47pm, Leizhen (ThunderTown) wrote: > > > On 2022/4/8 17:32, Baoquan He wrote: > > Hi, Lei > > > > On 02/27/22 at 11:07am, Zhen Lei wrote: > >> Changes since [v20]: > >> 1. Check whether crashkernel=Y,low is incorrectly configured or not configured. Do different processing. > >> 2. Share the existing description of x86. The configuration of arm64 is the same as that of x86. > >> 3. Define the value of macro CRASH_ADDR_HIGH_MAX as memblock.current_limit, instead of MEMBLOCK_ALLOC_ACCESSIBLE. > >> 4. To improve readability, some lightweight code adjustments have been made to reserve_craskernel(), including comments. > >> 5. The defined value of DEFAULT_CRASH_KERNEL_LOW_SIZE reconsiders swiotlb, just like x86, to share documents. > > > > 5.18 rc1 is already done, do you have plan to post a new version for > > reviewing? > > Yes, v5.18-rc1 has added a new patch > commit 031495635b46 ("arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones") > to allow block mapping again, so my patches need to be modified. It should be post next week. Sounds great, thanks. Just a reminder, please take your time. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel