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 B2617C433EF for ; Mon, 14 Feb 2022 17:06:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3ABFD6B0075; Mon, 14 Feb 2022 12:06:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 334C76B007B; Mon, 14 Feb 2022 12:06:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1FC846B007D; Mon, 14 Feb 2022 12:06:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0186.hostedemail.com [216.40.44.186]) by kanga.kvack.org (Postfix) with ESMTP id 10E3E6B0075 for ; Mon, 14 Feb 2022 12:06:11 -0500 (EST) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C514D8171F77 for ; Mon, 14 Feb 2022 17:06:10 +0000 (UTC) X-FDA: 79142013300.13.491D846 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf06.hostedemail.com (Postfix) with ESMTP id 51EA0180008 for ; Mon, 14 Feb 2022 17:06:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=0CqmZAPRvnTQjgxBDbgMZYquENsTA/VPZyRN6//m2xw=; b=A3sA4gEo4nM3H7a0dm/JzGaUgV QIajZXmGp6ANWQ7bYVPcoCtAlCwsaPV2mcLSTAMkTtOvct+SPoXoviqH9efT8NLhfT4S3LRw6YQXd op4oq2yv8hzQnJjEyzM3+ydZNTbB02+bfC5eJ50MyESjem8R8c2VVjXeHHcWxOdarSNfzvCwtBQpI InHc/8TWyFNrwCcTQldIWT4TQ5FyAGciNKaQWRRlcxgPeWZKydhmkMkbIzvof2xUER3lSjyAJ9oA3 03ZxL6nD2oE4+Za+YPHuF/EueN4CdELKexFzVobCRN7YS+wtQRgWFdzsDIrcKnFVoJEqcho3LJJfk H411B1+g==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nJenc-00GHV7-F2; Mon, 14 Feb 2022 17:06:04 +0000 Date: Mon, 14 Feb 2022 09:06:04 -0800 From: Christoph Hellwig To: Arnd Bergmann Cc: Linus Torvalds , Christoph Hellwig , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-api@vger.kernel.org, arnd@arndb.de, linux-kernel@vger.kernel.org, mark.rutland@arm.com, dalias@libc.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, peterz@infradead.org, jcmvbkbc@gmail.com, guoren@kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, will@kernel.org, ardb@kernel.org, linux-s390@vger.kernel.org, bcain@codeaurora.org, deller@gmx.de, x86@kernel.org, linux@armlinux.org.uk, linux-csky@vger.kernel.org, mingo@redhat.com, geert@linux-m68k.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, hca@linux.ibm.com, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, green.hu@gmail.com, shorne@gmail.com, linux-arm-kernel@lists.infradead.org, monstr@monstr.eu, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, nickhu@andestech.com, linux-mips@vger.kernel.org, dinguyen@kernel.org, ebiederm@xmission.com, richard@nod.at, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net Subject: Re: [PATCH 10/14] uaccess: remove most CONFIG_SET_FS users Message-ID: References: <20220214163452.1568807-1-arnd@kernel.org> <20220214163452.1568807-11-arnd@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220214163452.1568807-11-arnd@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 51EA0180008 X-Rspam-User: Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=A3sA4gEo; spf=none (imf06.hostedemail.com: domain of BATV+86effef50fc3f8a1c567+6749+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+86effef50fc3f8a1c567+6749+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-Stat-Signature: qdxrk5foam87nz3yd79moyf9uxbnbkai X-HE-Tag: 1644858370-897830 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 Mon, Feb 14, 2022 at 05:34:48PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann > > On almost all architectures, there are no remaining callers > of set_fs(), so CONFIG_SET_FS can be disabled, along with > removing the thread_info field and any references to it. > > This turns access_ok() into a cheaper check against TASK_SIZE_MAX. Wouldn't it make more sense to just merge this into the last patch?