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=-2.3 required=3.0 tests=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 57526C76199 for ; Sun, 16 Feb 2020 08:24:22 +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 247702072C for ; Sun, 16 Feb 2020 08:24:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="P6GC8wp5"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="eZ+pxZ5Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 247702072C 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+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=I8SoIx4uIPPnV0F1v4Cb94h2s/dqqzjZjkC4rX3PIHk=; b=P6GC8wp5RL3deL 2wmTHZ8PTOYdJyth5ITETMARnAyMx6ttKFtU+I7JrlxqcWDn5oWoqWyAQq7oemV4rmTp6Tj8FPb5J kQj/X4B3ZPPAnA2ntOoJYFKKPdIPN8UHhkfDaBe+N+7xR160Ce1G/mOYPOumR4fpzNMTgXT97miR7 wsDfliUOtzcifRxKfg01xR+MyOxEr09CkxvHdIH8Cmhg0qwc0Z/b8yefJD6Z7hRPg7eDdr+49/XVk rwZzautLRV4dvD2N2nymg+7TCsLv59DbW9QvMvzMIP2xI424K0GzcmY43K6KlXrBrnkRPZpy3w5yr oJI/Mg1rllCS0wo/+1Xg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3FDu-0007m7-6R; Sun, 16 Feb 2020 08:24:18 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3FDr-0007lX-5i for linux-arm-kernel@lists.infradead.org; Sun, 16 Feb 2020 08:24:16 +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=+8Uhu2wgUq8Ulq+yn7pGlyiEpl5L2cWMg1W6oSitXX8=; b=eZ+pxZ5QnjK4dWUII5qW9jbf8 eHQaXZHQb+St/fNO4odIF1+oXNFmG9JyWOQyfNVp/YnjMm8+v9aiI+5lsbrKHrZZMx/nek8Kqd5TP 2W8OtU17ICPE2UgLtdc9R5GSAIEv8D7oLBooYFlzt/1m+U1xt3Lrzg8xA2WrwUIRgXUZkmT5OSjiz v4iLBDbN3Jl9AzWwjfvTWiezYEvzjfDwRTq0N3FjcotV54dXrt1kPyxekt0I2b9RcgIp0XHoHzce1 5fM/0Ipqg2sO442zcz74Ifmz05LfxOSewibl5FPqzdimV68xwJR331lGU1QToFVHsC5S11UIPKhv/ xpuaPP69A==; Received: from shell.armlinux.org.uk ([2001:4d48:ad52:3201:5054:ff:fe00:4ec]:41020) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1j3FCS-0001uE-Q8; Sun, 16 Feb 2020 08:22:49 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1j3FCA-0005C0-Sx; Sun, 16 Feb 2020 08:22:30 +0000 Date: Sun, 16 Feb 2020 08:22:30 +0000 From: Russell King - ARM Linux admin To: Mike Rapoport Subject: Re: [PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK Message-ID: <20200216082230.GV25745@shell.armlinux.org.uk> References: <20200216081843.28670-1-rppt@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200216081843.28670-1-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-20200216_002415_217669_680B2B91 X-CRM114-Status: UNSURE ( 9.88 ) X-CRM114-Notice: Please train this message. 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: Rich Felker , linux-ia64@vger.kernel.org, Geert Uytterhoeven , linux-sh@vger.kernel.org, Benjamin Herrenschmidt , linux-mm@kvack.org, Paul Mackerras , linux-hexagon@vger.kernel.org, Will Deacon , kvmarm@lists.cs.columbia.edu, Jonas Bonn , linux-arch@vger.kernel.org, Brian Cain , Marc Zyngier , Ley Foon Tan , Mike Rapoport , Catalin Marinas , Julien Thierry , uclinux-h8-devel@lists.sourceforge.jp, Fenghua Yu , Arnd Bergmann , Suzuki K Poulose , kvm-ppc@vger.kernel.org, Stefan Kristiansson , openrisc@lists.librecores.org, Stafford Horne , Guan Xuetao , linux-arm-kernel@lists.infradead.org, Christophe Leroy , Tony Luck , Yoshinori Sato , linux-kernel@vger.kernel.org, James Morse , Michael Ellerman , nios2-dev@lists.rocketboards.org, Andrew Morton , linuxppc-dev@lists.ozlabs.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 Sun, Feb 16, 2020 at 10:18:30AM +0200, Mike Rapoport wrote: > From: Mike Rapoport > > Hi, > > These patches convert several architectures to use page table folding and > remove __ARCH_HAS_5LEVEL_HACK along with include/asm-generic/5level-fixup.h. > > The changes are mostly about mechanical replacement of pgd accessors with p4d > ones and the addition of higher levels to page table traversals. > > All the patches were sent separately to the respective arch lists and > maintainers hence the "v2" prefix. You fail to explain why this change which adds 488 additional lines of code is desirable. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel