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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 B725DC433DB for ; Thu, 21 Jan 2021 02:39:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 6359223788 for ; Thu, 21 Jan 2021 02:39:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6359223788 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NYTSeLD7/+8WsykP0kuY/QdbT3ntpmYOErD/Ar1wWmQ=; b=K0b3ctqGop02ppx77+sDiiXcG 6Upy703XeVVRdV7vUa1k1GKN5gJWPl76Txp0Ge3w+PMiMUpmOe3gJivF1Q4SsGTPnaQ5keoWetJHw PSseDyKgRKG7bOwQ5ECR56qSiUelcImOdpQ10T/cqlGNficmJv/CAluUPcv1WvBNXPFZ7LLazEHXf R5PEPx1VmSqtIMk9mufyX75XaC3MhA4tqYtgZhCC9luejGkftCgg4Fo544oYwj84wjtgqAg6f5wJL NdRG8Yo2BaAIj26NxlAWZHgiUHq9ruw5JGrvqJuI4SxjF6wh0EVxC13kWVT3p8UPFB2QU4UicAZ8x PJAIlgmmA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2Pr7-00045q-P3; Thu, 21 Jan 2021 02:37:53 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2Pr5-00044R-0H for linux-arm-kernel@lists.infradead.org; Thu, 21 Jan 2021 02:37:52 +0000 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4DLmkB020Fzj9BR; Thu, 21 Jan 2021 10:36:50 +0800 (CST) Received: from [10.174.176.61] (10.174.176.61) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Thu, 21 Jan 2021 10:37:34 +0800 Subject: Re: [PATCH 0/2] arm64: mm: fix kdump broken with ZONE_DMA reintroduced To: Catalin Marinas , Will Deacon References: <20201226033557.116251-1-chenzhou10@huawei.com> <20210120124054.GA19504@willie-the-truck> <20210120130741.GB2642@gaia> From: chenzhou Message-ID: Date: Thu, 21 Jan 2021 10:37:34 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <20210120130741.GB2642@gaia> X-Originating-IP: [10.174.176.61] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_213751_322262_7C7E1CED X-CRM114-Status: GOOD ( 10.48 ) 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: song.bao.hua@hisilicon.com, xiexiuqi@huawei.com, linux-kernel@vger.kernel.org, rppt@kernel.org, huawei.libin@huawei.com, akpm@linux-foundation.org, ardb@kernel.org, nsaenzjulienne@suse.de, 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Will, Catalin, On 2021/1/20 21:07, Catalin Marinas wrote: > On Wed, Jan 20, 2021 at 12:40:55PM +0000, Will Deacon wrote: >> On Sat, Dec 26, 2020 at 11:35:55AM +0800, Chen Zhou wrote: >>> If the memory reserved for crash dump kernel falled in ZONE_DMA32, >>> the devices in crash dump kernel need to use ZONE_DMA will alloc fail. >>> >>> Fix this by reserving low memory in ZONE_DMA if CONFIG_ZONE_DMA is >>> enabled, otherwise, reserving in ZONE_DMA32. >>> >>> Patch 1 updates the comments about the ZONE_DMA. >>> Patch 2 fix kdump broken. >>> >>> Chen Zhou (2): >>> arm64: mm: update the comments about ZONE_DMA >>> arm64: mm: fix kdump broken with ZONE_DMA reintroduced >> Please can you repost this if it is still needed after the changes that >> landed in -rc4? > I don't think this series is needed anymore but I'll let Chen confirm. Yes, we don't need this series, Catalin has solved the issue i mentioned. I will repost the series "support reserving crashkernel above 4G on arm64 kdump" based on the latest code. Thanks, Chen Zhou _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel