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h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Uvtrsu50Hf9ISgTqjw2cZIY/fdalMvrStTdfqoQM3mdhWwRTlcM+di3Mlxj2LfRYC sL2lOFI5CCKzGB0MNHSMJUWPqE4dtIOpz2JXIrS4+Xkvjw7ulJEnCWAELTi2BsI79T +YcmqfASppeT6+G8sHwqPvTdqA+0hk873k0laznUkKMLOPw4ZEEscH10+2t1L5fKp+ 8BfsQshsS4Im5IcgpwMXaxmFYPmHS4QO6tZE5Cu6VT+1C4lCHB7iNpJZvNEdHwtoNJ zTpbMfhiIoucAZFTRmPZuLhWqy/lBlhaelfx8iUJ+lK7d4LQiirbG9AaOIPIgpnmXG aNgH1u0nAoM1w== Message-ID: <3927b6f5-c8d0-1421-407d-850ede02dd0f@kernel.org> Date: Thu, 24 Feb 2022 22:33:46 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v2 18/18] uaccess: drop maining CONFIG_SET_FS users Content-Language: en-US To: 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, viro@zeniv.linux.org.uk References: <20220216131332.1489939-1-arnd@kernel.org> <20220216131332.1489939-19-arnd@kernel.org> From: Dinh Nguyen In-Reply-To: <20220216131332.1489939-19-arnd@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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, 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, ebiederm@xmission.com, richard@nod.at, akpm@linux-foundation.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 2/16/22 07:13, Arnd Bergmann wrote: > 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 > --- > arch/Kconfig | 3 - > arch/alpha/Kconfig | 1 - > arch/alpha/include/asm/processor.h | 4 -- > arch/alpha/include/asm/thread_info.h | 2 - > arch/alpha/include/asm/uaccess.h | 19 ------ > arch/arc/Kconfig | 1 - > arch/arc/include/asm/segment.h | 20 ------- > arch/arc/include/asm/thread_info.h | 3 - > arch/arc/include/asm/uaccess.h | 1 - > arch/arm/lib/uaccess_with_memcpy.c | 10 ---- > arch/csky/Kconfig | 1 - > arch/csky/include/asm/processor.h | 2 - > arch/csky/include/asm/segment.h | 10 ---- > arch/csky/include/asm/thread_info.h | 2 - > arch/csky/include/asm/uaccess.h | 3 - > arch/csky/kernel/asm-offsets.c | 1 - > arch/h8300/Kconfig | 1 - > arch/h8300/include/asm/processor.h | 1 - > arch/h8300/include/asm/segment.h | 40 ------------- > arch/h8300/include/asm/thread_info.h | 3 - > arch/h8300/kernel/entry.S | 1 - > arch/h8300/kernel/head_ram.S | 1 - > arch/h8300/mm/init.c | 6 -- > arch/h8300/mm/memory.c | 1 - > arch/hexagon/Kconfig | 1 - > arch/hexagon/include/asm/thread_info.h | 6 -- > arch/hexagon/kernel/process.c | 1 - > arch/microblaze/Kconfig | 1 - > arch/microblaze/include/asm/thread_info.h | 6 -- > arch/microblaze/include/asm/uaccess.h | 24 -------- > arch/microblaze/kernel/asm-offsets.c | 1 - > arch/microblaze/kernel/process.c | 1 - > arch/nds32/Kconfig | 1 - > arch/nds32/include/asm/thread_info.h | 4 -- > arch/nds32/include/asm/uaccess.h | 15 +---- > arch/nds32/kernel/process.c | 5 +- > arch/nds32/mm/alignment.c | 3 - > arch/nios2/Kconfig | 1 - > arch/nios2/include/asm/thread_info.h | 9 --- > arch/nios2/include/asm/uaccess.h | 12 ---- For NIOS2: Acked-by: Dinh Nguyen