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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 687A3C10F13 for ; Tue, 16 Apr 2019 13:16:10 +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 379F62077C for ; Tue, 16 Apr 2019 13:16:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NXQwXh4w"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="Tc8Fq89c" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 379F62077C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de 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:In-Reply-To:MIME-Version:References: Message-ID:Subject: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=QfknWpf0vd3LSZuwF4SyuqwxtTyi5stfZieKwgXobgE=; b=NXQwXh4w/E7T3D OVQS11PxD2kX3508uqzxkPPvg5PM1X94kon98FBqowxQRADUl4k9hHG/lcw+oeUzqRKo2KECb/sje 6MD6Eoq/fOED0EVJVizzqSVQ1xseTQBlKtMiOHz5RFjXYAltSoA+bMFGzESlsMr9RlKcVJ/9s9rMm N8TcxSmS9mnIs0oiHqrQdlAA7DdaWe1UTed+Ckwv+4SXLgGMGx7q7ji0tZmmI3Uog7bzDu/32vlbB pjOO7kRCyHP9RTugTxUDonCP2Kvyx+Ygr+JxaHJ/5y/USALd+IT/73cOd199S8l2VOVURvdLxfCGH NLSM8SX6sOBaAgB2fW/Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGNwP-00028r-MK; Tue, 16 Apr 2019 13:16:01 +0000 Received: from mail.skyhub.de ([2a01:4f8:190:11c2::b:1457]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGNwL-00026e-BR; Tue, 16 Apr 2019 13:15:59 +0000 Received: from zn.tnic (p200300EC2F0D690030B3A6530520175E.dip0.t-ipconnect.de [IPv6:2003:ec:2f0d:6900:30b3:a653:520:175e]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 7E99E1EC02AE; Tue, 16 Apr 2019 15:15:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1555420553; 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: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=zVxj07jVogt5Hk1WdJjXggizYLQPKdX0WopBNEyREwk=; b=Tc8Fq89c2kKkDqJVu4BY0Ifsa95BRIITsZfaZkdqCzcnsH3dSJ4SkYx++cGCZ+pnNLyRpu 0O6TWxaxsWShIm9opg3Cike6nCrbQGw/Tqe2oowyUgVxh5L9HFwhcIfXFcmdXzYj4mKs20 UadxgI1pAvsAI21kKttt1qdso1QhDCg= Date: Tue, 16 Apr 2019 15:15:49 +0200 From: Borislav Petkov To: Chen Zhou Subject: Re: [RESEND PATCH v5 0/4] support reserving crashkernel above 4G on arm64 kdump Message-ID: <20190416131549.GD31772@zn.tnic> References: <20190416113519.90507-1-chenzhou10@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190416113519.90507-1-chenzhou10@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190416_061557_540780_AD2C5FBC X-CRM114-Status: UNSURE ( 7.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wangkefeng.wang@huawei.com, horms@verge.net.au, ard.biesheuvel@linaro.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, rppt@linux.ibm.com, linux-mm@kvack.org, takahiro.akashi@linaro.org, mingo@redhat.com, ebiederm@xmission.com, kexec@lists.infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, 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 On Tue, Apr 16, 2019 at 07:35:15PM +0800, Chen Zhou wrote: > When crashkernel is reserved above 4G in memory, kernel should reserve > some amount of low memory for swiotlb and some DMA buffers. So there may > be two crash kernel regions, one is below 4G, the other is above 4G. > > Crash dump kernel reads more than one crash kernel regions via a dtb > property under node /chosen, > linux,usable-memory-range = . Can you please not flood everyone with this patchset every day, and today twice? This is not the frequency with how you send patchsets upstream. See https://www.kernel.org/doc/html/latest/process/submitting-patches.html#don-t-get-discouraged-or-impatient -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel