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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 605E4C433F5 for ; Wed, 23 Feb 2022 09:27:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9A08F8D0002; Wed, 23 Feb 2022 04:27:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 94F508D0001; Wed, 23 Feb 2022 04:27:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8174F8D0002; Wed, 23 Feb 2022 04:27:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 73A6C8D0001 for ; Wed, 23 Feb 2022 04:27:11 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 30A7222FB9 for ; Wed, 23 Feb 2022 09:27:11 +0000 (UTC) X-FDA: 79173515862.04.96C56A4 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf04.hostedemail.com (Postfix) with ESMTP id 5E0AD40002 for ; Wed, 23 Feb 2022 09:27:10 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6791B616C1 for ; Wed, 23 Feb 2022 09:27:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AC3BC36AE9 for ; Wed, 23 Feb 2022 09:27:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645608427; bh=D2jUPs6ryRSFqPbSylqUkNdDZuOthbzsmeMEmvziyjY=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=Qprkztvt/vehYNHRcEK8aqRshRS+P9DBpcRom+Ea4pnSLocGv1eBVL2v483vi1brP yniMjXK/S41L4Xb5GxmMolqLanH2PfdtLhr4aslEr3qRf3FRgZXiElzFJkvdC4w2nN JS6y8Uxpo3q6QV2cYcl6Kk1+VLa3u1w7dstKq6JdbSKRuvb7qsDfR1olUXgTRiM4lW h9gXptbf8SQ/Kn95+tqUCiEvk6NU1742fRGNTdgV5FXZ+Nd86Q2w5JlwL02OxgP5C1 +ol87y0DUBe7bzeKEkX3OWQML5KSSUNMqefzAhTnHd6BCu3L5B6sV9dAoeIrCnSrMr hGVco4bZ15heQ== Received: by mail-wm1-f41.google.com with SMTP id v2-20020a7bcb42000000b0037b9d960079so1142580wmj.0 for ; Wed, 23 Feb 2022 01:27:07 -0800 (PST) X-Gm-Message-State: AOAM532z4/seXKjmJL+/E5cmZc26vtiD7ams0XXSYNyco+Adk/86K9fy wUF/i7fJe7e0kKsYSdikCqyVT0K61mQuNt1oLVQ= X-Google-Smtp-Source: ABdhPJwtMkGkHNVPhtWq1LOTi2OcT9JVNmxiOoaUyabWMpAtHbaXvG0B+oJZMTvLmHy/MuDTQEaSkGsJ6B3oEOPptXw= X-Received: by 2002:a05:600c:1d27:b0:37c:74bb:2b4d with SMTP id l39-20020a05600c1d2700b0037c74bb2b4dmr6779098wms.82.1645608425823; Wed, 23 Feb 2022 01:27:05 -0800 (PST) MIME-Version: 1.0 References: <20220216131332.1489939-1-arnd@kernel.org> <20220216131332.1489939-10-arnd@kernel.org> <20220223074127.GA8287@alpha.franken.de> In-Reply-To: <20220223074127.GA8287@alpha.franken.de> From: Arnd Bergmann Date: Wed, 23 Feb 2022 10:26:49 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 09/18] mips: use simpler access_ok() To: Thomas Bogendoerfer Cc: Linus Torvalds , Christoph Hellwig , linux-arch , Linux-MM , Linux API , Arnd Bergmann , Linux Kernel Mailing List , Al Viro , Russell King - ARM Linux , Will Deacon , Guo Ren , Brian Cain , Geert Uytterhoeven , Michal Simek , Nick Hu , Greentime Hu , Dinh Nguyen , Stafford Horne , Helge Deller , Michael Ellerman , Peter Zijlstra , Ingo Molnar , Mark Rutland , Heiko Carstens , Rich Felker , David Miller , Richard Weinberger , "the arch/x86 maintainers" , Max Filippov , "Eric W . Biederman" , Andrew Morton , Ard Biesheuvel , alpha , "open list:SYNOPSYS ARC ARCHITECTURE" , linux-csky@vger.kernel.org, "open list:QUALCOMM HEXAGON..." , linux-ia64@vger.kernel.org, linux-m68k , "open list:BROADCOM NVRAM DRIVER" , Openrisc , Parisc List , linuxppc-dev , linux-riscv , linux-s390 , Linux-sh list , sparclinux , linux-um , "open list:TENSILICA XTENSA PORT (xtensa)" Content-Type: text/plain; charset="UTF-8" X-Rspam-User: Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Qprkztvt; spf=pass (imf04.hostedemail.com: domain of arnd@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=arnd@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 5E0AD40002 X-Stat-Signature: 6of8tjw4uq63r1h4w4biyxa54e3efthr X-HE-Tag: 1645608430-724163 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Feb 23, 2022 at 8:41 AM Thomas Bogendoerfer wrote: > > On Wed, Feb 16, 2022 at 02:13:23PM +0100, Arnd Bergmann wrote: > > diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h > > index db9a8e002b62..d7c89dc3426c 100644 > > --- a/arch/mips/include/asm/uaccess.h > > +++ b/arch/mips/include/asm/uaccess.h > > @@ -19,6 +19,7 @@ > > #ifdef CONFIG_32BIT > > > > #define __UA_LIMIT 0x80000000UL > > +#define TASK_SIZE_MAX __UA_LIMIT > > using KSEG0 instead would IMHO be the better choice. This gives the > chance to remove __UA_LIMIT completly after cleaning up ptrace.c Ok, changed now. Arnd