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=-10.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 A229FC432C0 for ; Tue, 3 Dec 2019 15:44:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 837142070A for ; Tue, 3 Dec 2019 15:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727083AbfLCPoz (ORCPT ); Tue, 3 Dec 2019 10:44:55 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:50188 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726086AbfLCPox (ORCPT ); Tue, 3 Dec 2019 10:44:53 -0500 Received: from [81.92.17.157] (helo=wittgenstein) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1icAII-0004gq-Tv; Tue, 03 Dec 2019 15:40:55 +0000 Date: Tue, 3 Dec 2019 16:40:52 +0100 From: Christian Brauner To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Thomas Gleixner , Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Adrian Reber Subject: Re: [PATCH 18/23] tools headers UAPI: Sync sched.h with the kernel Message-ID: <20191203154051.2inrcde6frjkm3ph@wittgenstein> References: <20191203135606.24902-1-acme@kernel.org> <20191203135606.24902-19-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20191203135606.24902-19-acme@kernel.org> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 03, 2019 at 10:56:01AM -0300, Arnaldo Carvalho de Melo wrote: > From: Arnaldo Carvalho de Melo > > To get the changes in: > > 0acefef58451 ("Merge tag 'threads-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux") > 49cb2fc42ce4 ("fork: extend clone3() to support setting a PID") > fa729c4df558 ("clone3: validate stack arguments") > b612e5df4587 ("clone3: add CLONE_CLEAR_SIGHAND") > > This file gets rebuilt, but no changes ensues: > > CC /tmp/build/perf/trace/beauty/clone.o > > This addresses this perf build warning: > > Warning: Kernel ABI header at 'tools/include/uapi/linux/sched.h' differs from latest version at 'include/uapi/linux/sched.h' > diff -u tools/include/uapi/linux/sched.h include/uapi/linux/sched. > > The CLONE_CLEAR_SIGHAND one will be used in tools/perf/trace/beauty/clone.c > in a followup patch to show that string when this bit is set in the > syscall arg. Keeping a copy of this file allows us to build this in > older systems and have the binary support printing that flag whenever > that system gets its kernel updated to one where this feature is > present. > > Cc: Adrian Hunter > Cc: Adrian Reber > Cc: Christian Brauner > Cc: Jiri Olsa > Cc: Namhyung Kim > Link: https://lkml.kernel.org/n/tip-nprqsvvzbhzoy64cbvos6c5b@git.kernel.org > Signed-off-by: Arnaldo Carvalho de Melo Thanks! Acked-by: Christian Brauner