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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 5B14EC47080 for ; Tue, 1 Jun 2021 13:46:08 +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 173686128A for ; Tue, 1 Jun 2021 13:46:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 173686128A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk 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=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=e6SMCEfcItPexpsoYrwB9zHKVGhGPuzLBIYe5Hi0Uuw=; b=h3eF0lRc40vOZR y+SI71J/xSUdROrdoGdqlmp3d7nO2ba9dxrPwedmtRO9glyZ8xKJbJXBtx8ONvQthG12ruAGcIsyD 3hZDPRkt48298Gw/40AkXPinYpvroeyD9XDUxA8CiAOZOgmXVtucXaaiC6NuhNPf4nguOoZ4vW9tu wdzqPNIHqpC9Wgtqg9DKSM4K+EeogyMAMjVa0VzpX6N/bitCyAAR58SBY4EdLL7TMIWa/ra9DDQSE B5fMIiFMrLG+WEoCCQWlYht7hmojAIqAaEI0Lt1rTVzfYMrbulS2Jy/jTIvkQLBq0G1/gbp/3/VI3 Wf0l24AdDuk31+qh0V9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lo4hI-00Grlx-7K; Tue, 01 Jun 2021 13:44:44 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lo4hF-00GrkM-Af for linux-arm-kernel@lists.infradead.org; Tue, 01 Jun 2021 13:44:42 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=rggE9c9jPClwMN2X8gbCPefstnu44+7rkOqQHsvCaqY=; b=Ja79jS70YoAJsu+15UKjw295C rS1Xu2kgPjWmCUgzmyCEv3/Xh6H7DHwnYCAnhiXz2Gz/5BhvwG7y7DAY7DLFZWR8mIg+LHWApYR/6 RPZy5sBIg0a7UpxThUigANBRcMG2SJSvSBAeL7vEmlksKJvIqbYpQjqvpljcADLWVqEp4iNarIHxN 76ARqzlh9WTujtDTz34LYT9+JxY8mQ4oNl9+kB0e0Ng1q3WP+vT5ipFCBIalHe3Z9pidvnoasNbaF J2+oN/tfVjHXAlyODBslqJEb+dkwcukc689ywesw2Wae6vWAgw/EXiY81s/EFcig+nGX2rrekns3A GY56DLZew==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:44576) by pandora.armlinux.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lo4h5-00048n-7n; Tue, 01 Jun 2021 14:44:31 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1lo4h3-0000AG-LT; Tue, 01 Jun 2021 14:44:29 +0100 Date: Tue, 1 Jun 2021 14:44:29 +0100 From: "Russell King (Oracle)" To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Andrew Morton , Catalin Marinas , Christian Borntraeger , David Hildenbrand , Heiko Carstens , Mike Rapoport , Thomas Bogendoerfer , Vasily Gorbik , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org Subject: Re: [RFC/RFT PATCH 0/5] consolidate "System RAM" resources setup Message-ID: <20210601134429.GY30436@shell.armlinux.org.uk> References: <20210531122959.23499-1-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210531122959.23499-1-rppt@kernel.org> 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-20210601_064441_392400_9748B9BD X-CRM114-Status: UNSURE ( 7.73 ) X-CRM114-Notice: Please train this message. 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 Mon, May 31, 2021 at 03:29:54PM +0300, Mike Rapoport wrote: > * arm has "System RAM (boot alias)" that do not seem useful for any other > architecture This is VERY important for kexec and must _not_ be removed, since you will be causing a userspace regression by doing so. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel