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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 C4191CA9EB6 for ; Wed, 23 Oct 2019 10:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91DD12064A for ; Wed, 23 Oct 2019 10:33:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571826785; bh=z4ipP4Ck0yBqTHzgeKqG4ObZnNyOh+UsmqwlDY/xwzg=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=wnqzvCEIWYKTw6FB8v5ljESLyOdZED+GlN34rvHkLhcTuzbH97BO9hX8K7ZiIC7lv S/naf+Cnq2MV1XSI3OzXNEYjEOIaPOavJvBGi1FzgZ+FwEGOq56/rbDNtsbx/GImdu iAUDd3XbOeFQTtnl/2MltL637kDD+FLfYQMMgSmo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404529AbfJWKdF (ORCPT ); Wed, 23 Oct 2019 06:33:05 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:37379 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404332AbfJWKdF (ORCPT ); Wed, 23 Oct 2019 06:33:05 -0400 Received: by mail-lj1-f194.google.com with SMTP id l21so20523535lje.4 for ; Wed, 23 Oct 2019 03:33:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=aRWUNj4J7qgXSXD2PSfXvGDEs07MKcTmNuTdcaVnUGw=; b=Slb+IaA7gxUyVr09pbGzJOB54Jv239tGUr7XIcQxfolpIG44u/NoAMOhLnza+Em4WR TEPsZuhBtQdRHRD82otLdcY2uJ9E7K4xMc5ZFii1pfI6kkUC5qwEGbYYfYuTwlvtQiDO wMOTH/ObIO23qcZyZJ2PI3HvK563JGx6aHaAU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=aRWUNj4J7qgXSXD2PSfXvGDEs07MKcTmNuTdcaVnUGw=; b=YDDfmVTz+u6giG921ZiiGJ7EMveglkBV/Dfbeo6i3czmcMXjwMHL7ZVOw9W8pBLEhd vgyEW/fpYW6Q5xBAgvulmdLzkFtxfkc8G41p88fGc3SCs45noRUUVbu/9SEcsZyKUZUS a96L+zXQTm82iL9LuipnedV8v2OMsPfLvy1MYzejYGyU9A995zptg24zj0Ns7sOw+Qcr fY1/hP0bIijFn9au1tMZXUxsC8AZ4GLKTF2hGOPNZ/yhpxQeq31n4dhhlUwF1EOYMAGB PrZIwroQOJ/iGULJsGkcAsvXq+kyg7wrPZKnWVLntq8pVFtoDwdbveKsixJzmcS73UTh 0kbg== X-Gm-Message-State: APjAAAXAMRl1MaZHMxR4E7S57SFRQL/x0MRe/QoVRPJZRae8H85X4dBr f7be0ltWGmDy2SLIzM3woFwYSEQ2tWnuww== X-Google-Smtp-Source: APXvYqwlfUDr7KTofzhANunRfTDGQsVjXMiucCCD2ttxWG6R4NqQKx30dIlQImBkIf+ZFHgOYHe6Pw== X-Received: by 2002:a2e:5354:: with SMTP id t20mr19348658ljd.30.1571826781181; Wed, 23 Oct 2019 03:33:01 -0700 (PDT) Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com. [209.85.208.173]) by smtp.gmail.com with ESMTPSA id t135sm10909548lff.70.2019.10.23.03.33.00 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Oct 2019 03:33:00 -0700 (PDT) Received: by mail-lj1-f173.google.com with SMTP id q78so5379521lje.5 for ; Wed, 23 Oct 2019 03:33:00 -0700 (PDT) X-Received: by 2002:a2e:29dd:: with SMTP id p90mr21979653ljp.26.1571826364626; Wed, 23 Oct 2019 03:26:04 -0700 (PDT) MIME-Version: 1.0 References: <1571822941-29776-1-git-send-email-rppt@kernel.org> In-Reply-To: <1571822941-29776-1-git-send-email-rppt@kernel.org> From: Linus Torvalds Date: Wed, 23 Oct 2019 06:25:48 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 00/12] mm: remove __ARCH_HAS_4LEVEL_HACK To: Mike Rapoport Cc: Linux-MM , Andrew Morton , Anton Ivanov , Arnd Bergmann , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Helge Deller , "James E.J. Bottomley" , Jeff Dike , "Kirill A. Shutemov" , Mark Salter , Matt Turner , Michal Simek , Richard Weinberger , Russell King , Sam Creasey , Vincent Chen , Vineet Gupta , alpha , linux-arch , Linux ARM , linux-c6x-dev@linux-c6x.org, Linux Kernel Mailing List , linux-m68k , linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, sparclinux@vger.kernel.org, Mike Rapoport Content-Type: text/plain; charset="UTF-8" Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Wed, Oct 23, 2019 at 5:29 AM Mike Rapoport wrote: > > These patches convert several architectures to use page table folding and > remove __ARCH_HAS_4LEVEL_HACK along with include/asm-generic/4level-fixup.h. Thanks for doing this. The patches look sane from a quick scan, and it's definitely the right thing to do. So ack on my part, but obviously testing the different architectures would be a really good thing... Linus