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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 C071AC433EF for ; Mon, 21 Feb 2022 23:01:15 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4K2d893BpHz3cQg for ; Tue, 22 Feb 2022 10:01:13 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=HwIPNQm6; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2a00:1450:4864:20::232; helo=mail-lj1-x232.google.com; envelope-from=geomatsi@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=HwIPNQm6; dkim-atps=neutral Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4K0SMC0VM4z3cC3 for ; Fri, 18 Feb 2022 21:18:12 +1100 (AEDT) Received: by mail-lj1-x232.google.com with SMTP id o9so3572173ljq.4 for ; Fri, 18 Feb 2022 02:18:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=2ZwRbT+1qqEejXkPLNRT0P8U1UfOqBbbk2S+jBiDX7w=; b=HwIPNQm6bvP1qyt1DqVyrK6i1IxYBe3pF4kvKD1l9aL3skpcmD5TAiFiTR6vJgOz7B t0z9AUGb6zG6pfmU+9BHmWZjjYP8p3JYLtLTfoKdh3BnjyAxS8kyH7aEYnXi01jFZIzF 573soHdCsmr3/P5ZM1x4mLpZvC48QquGUZEsW8SQQoM18/kWlPpgaxZHrqDS4b16t7Hk CPrKR07D3pDZ+6DpMa26njx9Ou6mX/WqALsfbj1Nd6drypXMoKGnpqS7eLYJp4gC/zQZ HSj8/Kstfvi7dLE4U0H5uDSTCcko9eMQl/aHEl20oLYR3YeK8yM1gI0YoPwa5+wSkB+m kvAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=2ZwRbT+1qqEejXkPLNRT0P8U1UfOqBbbk2S+jBiDX7w=; b=mjIwL7Pph47jY8BshcZauvjIjeljsDqkLX+PwxzHsDXOgkxFHekutrXhNRbeJmnXTm 01Q6o8VJE8JWZKyoudNEUzJSFJ0lV7M9dvBfa93EIBvoDxfQ9cNhQPH435Y2OxDuM05z yLS26JvTx00JzIuJfbYFhAEZjjM/VgMhzkV179RGuis3XB3oAVa2hdeX6DciZyJNeiA1 Aaswm1I6SAUozcV6x4z8PMDzUiZHT/kd10Y4ufl/uS+3oSyGWlfsJ86+0Y8V5mW1PFKA mDsxX6nI6H1sDShNG3LMBPJiPEa1wN25bLCyZ3EF3ARBgIo/7h0liMOgRNklh6fCXerg D/RA== X-Gm-Message-State: AOAM532a3lt1Zmkuddj8S/Dgj39toE1SruLAQfcFeHnV+UpsLhVmmfbM 0Q5L5Bq8rlcnAPRHln2w3qs= X-Google-Smtp-Source: ABdhPJzoG5dWVDHzQOQKtFLm+HFsVZSdj/YZ6lPLZtzc83WeDz9kMHzkcgdFaN0a4Fhn9IjcgX1EIQ== X-Received: by 2002:a05:651c:1594:b0:244:d406:5224 with SMTP id h20-20020a05651c159400b00244d4065224mr5639426ljq.130.1645179485463; Fri, 18 Feb 2022 02:18:05 -0800 (PST) Received: from curiosity ([5.188.167.245]) by smtp.gmail.com with ESMTPSA id k18sm207268lfg.217.2022.02.18.02.18.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Feb 2022 02:18:04 -0800 (PST) Date: Fri, 18 Feb 2022 13:18:03 +0300 From: Sergey Matyukevich To: Arnd Bergmann Subject: Re: [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users Message-ID: References: <20220216131332.1489939-1-arnd@kernel.org> <20220216131332.1489939-19-arnd@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220216131332.1489939-19-arnd@kernel.org> X-Mailman-Approved-At: Tue, 22 Feb 2022 10:00:38 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, dalias@libc.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, peterz@infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, guoren@kernel.org, sparclinux@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, will@kernel.org, Christoph Hellwig , linux-arch@vger.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, ardb@kernel.org, mingo@redhat.com, geert@linux-m68k.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, arnd@arndb.de, hca@linux.ibm.com, linux-alpha@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, viro@zeniv.linux.org.uk, shorne@gmail.com, monstr@monstr.eu, tsbogend@alpha.franken.de, linux-parisc@vger.kernel.org, nickhu@andestech.com, jcmvbkbc@gmail.com, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, dinguyen@kernel.org, ebiederm@xmission.com, richard@nod.at, akpm@linux-foundation.org, Linus Torvalds , davem@davemloft.net, green.hu@gmail.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Arnd, > From: Arnd Bergmann > > There are no remaining callers of set_fs(), so CONFIG_SET_FS > can be removed globally, along with the thread_info field and > any references to it. > > This turns access_ok() into a cheaper check against TASK_SIZE_MAX. > > With CONFIG_SET_FS gone, so drop all remaining references to > set_fs()/get_fs(), mm_segment_t and uaccess_kernel(). > > Signed-off-by: Arnd Bergmann Tested-by: Sergey Matyukevich # for arc changes Regards, Sergey