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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2889C636D7 for ; Mon, 21 Jan 2019 08:57:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE0AA2084A for ; Mon, 21 Jan 2019 08:57:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729696AbfAUI4D (ORCPT ); Mon, 21 Jan 2019 03:56:03 -0500 Received: from mail-ua1-f65.google.com ([209.85.222.65]:43884 "EHLO mail-ua1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729417AbfAUI4C (ORCPT ); Mon, 21 Jan 2019 03:56:02 -0500 Received: by mail-ua1-f65.google.com with SMTP id z11so6652689uaa.10; Mon, 21 Jan 2019 00:56:01 -0800 (PST) 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:from:date :message-id:subject:to:cc; bh=OJScdj9p18oAEvTl9TNP9AzhiR3NeXZIyKQOy3xgTy8=; b=sm7UdR7+OQ0Ar8QgmbYdCAoxsTemEPC5AumhUeqc5KyfmeXT2Yy8MSYfhqRJghQOmW Q6YsuPhRMVRJBFtDUMRbdBgQ4XazTDkS9OXtKs31zpaS4sFcziyKkp/DPdXPRq9TlGQJ zL+z/qUXY/8XaSAf0s6EEKjo+iWv9kV8px2D0ikIntk2lZ2ISMej19JuPXf4yXZgOL/F z5c1tNnU8YE+rS33LuXuAL4Zaaoc/BYLBP/cWsmKWH2c7wiLVn3gZg/pySrCSmEm3i4s CbyGL0N+MTObVHBhNX8IqhmdRha7czFHOzdKQhOJKeQHLJAEBK14TME8FK0/yNO03L9q szPQ== X-Gm-Message-State: AJcUukcB7/BZDJF49J99W58563FwdAMzDDfH4CcqxS+EMngNwU3FnnWF Z9waKt1LyOLZ0Qji99YCX5eTzHrUuD65YYNM53c= X-Google-Smtp-Source: ALg8bN4uFN3zWGMaGcasO6usU7NqldPno3Vg0buANjUHshxvHAfNTtSuQ7VautHVX5df0UK1s1iotaDgJP2GFGxetwA= X-Received: by 2002:ab0:7251:: with SMTP id d17mr11840905uap.0.1548060960356; Mon, 21 Jan 2019 00:56:00 -0800 (PST) MIME-Version: 1.0 References: <20190118161835.2259170-1-arnd@arndb.de> <20190118161835.2259170-15-arnd@arndb.de> In-Reply-To: <20190118161835.2259170-15-arnd@arndb.de> From: Geert Uytterhoeven Date: Mon, 21 Jan 2019 09:55:48 +0100 Message-ID: Subject: Re: [PATCH v2 14/29] arch: add pkey and rseq syscall numbers everywhere To: Arnd Bergmann Cc: y2038 Mailman List , Linux API , Linux Kernel Mailing List , Linux-Arch , Matt Turner , Russell King , Catalin Marinas , Will Deacon , Tony Luck , Fenghua Yu , Michal Simek , Paul Burton , Helge Deller , Benjamin Herrenschmidt , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , Rich Felker , "David S. Miller" , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "the arch/x86 maintainers" , Max Filippov , Andrew Morton , Deepa Dinamani , "Eric W. Biederman" , Firoz Khan , alpha , Linux ARM , "linux-ia64@vger.kernel.org" , linux-m68k , linux-mips@vger.kernel.org, Parisc List , linuxppc-dev , linux-s390 , Linux-sh list , sparclinux , netdev , Linux FS Devel Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, Jan 18, 2019 at 5:20 PM Arnd Bergmann wrote: > Most architectures define system call numbers for the rseq and pkey system > calls, even when they don't support the features, and perhaps never will. > > Only a few architectures are missing these, so just define them anyway > for consistency. If we decide to add them later to one of these, the > system call numbers won't get out of sync then. > > Signed-off-by: Arnd Bergmann > arch/m68k/kernel/syscalls/syscall.tbl | 4 ++++ > --- a/arch/m68k/kernel/syscalls/syscall.tbl > +++ b/arch/m68k/kernel/syscalls/syscall.tbl > @@ -388,6 +388,10 @@ > 378 common pwritev2 sys_pwritev2 > 379 common statx sys_statx > 380 common seccomp sys_seccomp > +381 common pkey_alloc sys_pkey_alloc > +382 common pkey_free sys_pkey_free > +383 common pkey_mprotect sys_pkey_mprotect > +384 common rseq sys_rseq Note that all architectures that already define pkey syscalls, list pkey_mprotect first. Regardless, for m68k: Acked-by: Geert Uytterhoeven > # room for arch specific calls > 393 common semget sys_semget > 394 common semctl sys_semctl Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds