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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9F7AEC433F5 for ; Fri, 18 Feb 2022 01:51:16 +0000 (UTC) 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=x53Afl4CXed2dx/nUEjlz/qlN/S+YOCuzI5UdXwfa5s=; b=xvT6IpuuDgDL2q JWhFYPnfalvvPfwar1zDniA4kCSChd+kvzv0aHJmqx0473fhatiQRapKO/F4ZUXUoLMzSBoaj015D X0P3DdjTuojhNaMc48ODkiCtoSfuqfUNSojqatd5KBAflFqvyCj5Lzivu4dkGn8GGsq2fkPPRrwIw L8Co1ENPW91WRHNVmQJV9A0RetU19o2mfa9Fm+XVqUBsdINHL9xi/IfXe2+MXh/ykZDZkyEvxhNYk KDHiABIkYV/GzNIAXXvQHpKxYbP2QpIarqjrsP2MRJlpdlxcZYDLK/9+3pHus3TnO6MptQNTdpuZ4 iijj06K9A5jO7EtDPayA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKsQJ-00CfXx-DN; Fri, 18 Feb 2022 01:51:03 +0000 Received: from zeniv-ca.linux.org.uk ([2607:5300:60:148a::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKsQH-00CfXW-5P; Fri, 18 Feb 2022 01:51:02 +0000 Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nKsPs-002csm-Jn; Fri, 18 Feb 2022 01:50:36 +0000 Date: Fri, 18 Feb 2022 01:50:36 +0000 From: Al Viro To: Christophe Leroy Cc: Arnd Bergmann , 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" , "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 v2 00/18] clean up asm/uaccess.h, kill set_fs for good Message-ID: References: <20220216131332.1489939-1-arnd@kernel.org> <00496df2-f9f2-2547-3ca3-7989e4713d6b@csgroup.eu> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <00496df2-f9f2-2547-3ca3-7989e4713d6b@csgroup.eu> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220217_175101_211493_9E362AF7 X-CRM114-Status: UNSURE ( 8.08 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, Feb 17, 2022 at 07:20:11AM +0000, Christophe Leroy wrote: > And we have also > user_access_begin()/user_read_access_begin()/user_write_access_begin() > which call access_ok() then do the real work. Could be made generic with > call to some arch specific __user_access_begin() and friends after the > access_ok() and eventually the might_fault(). Not a good idea, considering the fact that we do not want to invite uses of "faster" variants... _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv