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Mon, 23 Nov 2020 16:48:38 -0500 Received: from mail-oi1-x233.google.com (mail-oi1-x233.google.com [IPv6:2607:f8b0:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9512AC0613CF; Mon, 23 Nov 2020 13:48:38 -0800 (PST) Received: by mail-oi1-x233.google.com with SMTP id y74so8018483oia.11; Mon, 23 Nov 2020 13:48:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=K9R5oqAXBKA/Zhx7gAhGP8yDRLYa4CIt7epTBbDa3C4=; b=LbQeigwnMD/GKmhn9qyAbPqOO6KE33QQUgNo5VU2h2K2gQOmdYS9WIVLKAHutJT2ds 2hw+9nPpi2G1vgn6vpN/4S77lWeoFGm/AcXw4wlUg/uU3i5SrnAYwSPn3F9lJBfVBQjd gOFATw5acqyonZ7zbog5x8QIq81wPaTXz0SMUElPuA9lMh/Gqx1Mwmf5PoOj3FtshBIB MWWlW7jDTaGMDq2OMzG/lT112myQhmZGBO9Zbt7af2z6+mlVxoYn3cLA4CmyIkDs3xww VHdFMc1HxHktAsH996P5eUxDEkqQXnO70MAbtwm9qAa4lm1GICZjrOsArM9g37ska8fN 6IKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=K9R5oqAXBKA/Zhx7gAhGP8yDRLYa4CIt7epTBbDa3C4=; b=roUjSVZpWYff/Ga55rQ/c0hSP5BJXC9QeahSE5iKRNDcn/TOB49pewwK/L+erYRJ8u M4SS6PQO4XtGXnweb8RLHtmjISk6F7SF+7Hl+LWWdNXEN9Q1AbvVEwWU1KUktGS1yeZe Z/jHRLO1LVQLIUUvwOzuqNyLHHkgcMEur6GCWKOmmAb9mS4M6HyTPbszxFpQx9E63QPZ fE1PALwhjTknAUpGQcebVdVNIP/0UWZszsq6cptJe87WYchjOHxLPUukvzXIRR25BR9a RYdqad4gR1IQQXz3dv/6IviGOtnGU5AkW1B2IJAabuCZKSERCHY/F9P9WBFFffdJ822v MjgQ== X-Gm-Message-State: AOAM533UcMPeT9994krhMXj7GcwoWp87j4Q2X4wJOXAXShXmDl7bWKM2 gvkALVPRoVK+iFu8WDrgObKPsbQa3OSL5/ZphrE= X-Google-Smtp-Source: ABdhPJxvfRtVKYVAXpX+KP+7sLEY4V3ypPS7KNt9N6ZXOmpNh82aguso1UlGgZaW2NYuYQwtXbJwgSkt4AZbQofo40A= X-Received: by 2002:aca:b706:: with SMTP id h6mr706393oif.177.1606168118052; Mon, 23 Nov 2020 13:48:38 -0800 (PST) MIME-Version: 1.0 References: <014e670b-2a11-3deb-4e7e-bfe9defd8597@gmail.com> In-Reply-To: <014e670b-2a11-3deb-4e7e-bfe9defd8597@gmail.com> Reply-To: mtk.manpages@gmail.com From: "Michael Kerrisk (man-pages)" Date: Mon, 23 Nov 2020 22:48:26 +0100 Message-ID: Subject: Re: set_thread_area.2: csky architecture undocumented To: "Alejandro Colomar (man-pages)" Cc: linux-man , linux-kernel , Guo Ren , linux-csky@vger.kernel.org, Arnd Bergmann Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-csky@vger.kernel.org Hello Alex, On Mon, 23 Nov 2020 at 22:31, 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? As far as I can tell, you are correct. Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/