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Thu, 26 Nov 2020 04:14:13 -0800 (PST) Subject: Re: set_thread_area.2: csky architecture undocumented To: "Michael Kerrisk (man-pages)" , "Alejandro Colomar (man-pages)" Cc: linux-man , linux-kernel , Guo Ren , linux-csky@vger.kernel.org, Arnd Bergmann References: <014e670b-2a11-3deb-4e7e-bfe9defd8597@gmail.com> From: "Alejandro Colomar (mailing lists; readonly)" Message-ID: <57bc9bce-5c04-fd1f-13c9-3e900a74f1eb@gmail.com> Date: Thu, 26 Nov 2020 13:14:12 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org HI Michael, On 11/24/20 10:51 AM, Michael Kerrisk (man-pages) wrote: > Hi Alex, > > On 11/23/20 10:31 PM, Alejandro Colomar (man-pages) wrote: >> Hi Michael, >> >> SYNOPSIS >> #include >> >> #if defined __i386__ || defined __x86_64__ >> # include >> >> int get_thread_area(struct user_desc *u_info); >> int set_thread_area(struct user_desc *u_info); >> >> #elif defined __m68k__ >> >> int get_thread_area(void); >> int set_thread_area(unsigned long tp); >> >> #elif defined __mips__ >> >> int set_thread_area(unsigned long addr); >> >> #endif >> >> Note: There are no glibc wrappers for these system calls; see >> NOTES. >> >> >> $ grep -rn 'SYSCALL_DEFINE.*et_thread_area' >> arch/csky/kernel/syscall.c:6: >> SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) >> arch/mips/kernel/syscall.c:86: >> SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) >> arch/x86/kernel/tls.c:191: >> SYSCALL_DEFINE1(set_thread_area, struct user_desc __user *, u_info) >> arch/x86/kernel/tls.c:243: >> SYSCALL_DEFINE1(get_thread_area, struct user_desc __user *, u_info) >> arch/x86/um/tls_32.c:277: >> SYSCALL_DEFINE1(set_thread_area, struct user_desc __user *, user_desc) >> arch/x86/um/tls_32.c:325: >> SYSCALL_DEFINE1(get_thread_area, struct user_desc __user *, user_desc) >> >> >> See kernel commit 4859bfca11c7d63d55175bcd85a75d6cee4b7184 >> >> >> I'd change >> - #elif defined __mips__ >> + #elif defined(__mips__ || __csky__) >> >> and then change the rest of the text to add csky when appropriate. >> Am I correct? > > AFAICT, you are correct. I think the reason that csky is missing is > that the architecture was added after this manual pages was added. Yep, I guessed it was that :) Thanks, Alex > > Thanks, > > Michael > >