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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 8C54DC43603 for ; Wed, 11 Dec 2019 16:17:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51D42205C9 for ; Wed, 11 Dec 2019 16:17:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b="YJrhYIzU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730385AbfLKQRl (ORCPT ); Wed, 11 Dec 2019 11:17:41 -0500 Received: from mail.efficios.com ([167.114.142.138]:44036 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730073AbfLKQRY (ORCPT ); Wed, 11 Dec 2019 11:17:24 -0500 Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 9E6A3686C41; Wed, 11 Dec 2019 11:17:23 -0500 (EST) Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10032) with ESMTP id 2bjAHApc-Uqd; Wed, 11 Dec 2019 11:17:23 -0500 (EST) Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 40298686C30; Wed, 11 Dec 2019 11:17:23 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 40298686C30 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1576081043; bh=bsQbUCGG+66P6uaoaenq7Ys0bJ2R9XxktPLL9tZTcj4=; h=From:To:Date:Message-Id; b=YJrhYIzUuwONWXl9gxsvv1xdQuKpFN8C9GV+kndyWH67DF1NbVHYimuCULM7IlZRU ERVWUZB6kbiYdUPDrl932hP2yUI3NHy9bnXB2x+J0EZ/mQ8wi1z+sCV2Agd74yfMRj PxDDBEnybDHilji3u5NLJ2dSJlmYT/ixbw95ADsB+Hi5eflYc2Xh0XElLGj7OA1gu8 1h6G15beOdn1znR57Vx/SBXcnj03HRxXeE03vIKPog+M3KI/T/DYnCh3NRc8qJcMyI pe3cxqbchHIS8Fw50mcojWKVxwRSAhuXUfBPwG5kWBSogJwqTrXZky/JBIoLKYsgJS 6YcYJ176CP46w== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10026) with ESMTP id oAEOHck51DEN; Wed, 11 Dec 2019 11:17:23 -0500 (EST) Received: from localhost.localdomain (192-222-181-218.qc.cable.ebox.net [192.222.181.218]) by mail.efficios.com (Postfix) with ESMTPSA id DD262686C12; Wed, 11 Dec 2019 11:17:22 -0500 (EST) From: Mathieu Desnoyers To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , "Paul E . McKenney" , Boqun Feng , "H . Peter Anvin" , Paul Turner , linux-api@vger.kernel.org, stable@vger.kernel.org, Mathieu Desnoyers , Shuah Khan , "Tommi T . Rantala" , Dmitry Vyukov Subject: [PATCH for 5.5 3/3] rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30 Date: Wed, 11 Dec 2019 11:17:13 -0500 Message-Id: <20191211161713.4490-4-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191211161713.4490-1-mathieu.desnoyers@efficios.com> References: <20191211161713.4490-1-mathieu.desnoyers@efficios.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org glibc 2.30 introduces gettid() in public headers, which clashes with the internal static definition within rseq selftests. Rename gettid() to rseq_gettid() to eliminate this symbol name clash. Reported-by: Tommi T. Rantala Signed-off-by: Mathieu Desnoyers Cc: Shuah Khan Cc: Tommi T. Rantala Cc: Thomas Gleixner Cc: Peter Zijlstra (Intel) Cc: "Paul E. McKenney" Cc: Boqun Feng Cc: "H . Peter Anvin" Cc: Paul Turner Cc: Dmitry Vyukov Cc: # v4.18+ --- tools/testing/selftests/rseq/param_test.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c index eec2663261f2..e8a657a5f48a 100644 --- a/tools/testing/selftests/rseq/param_test.c +++ b/tools/testing/selftests/rseq/param_test.c @@ -15,7 +15,7 @@ #include #include -static inline pid_t gettid(void) +static inline pid_t rseq_gettid(void) { return syscall(__NR_gettid); } @@ -373,11 +373,12 @@ void *test_percpu_spinlock_thread(void *arg) rseq_percpu_unlock(&data->lock, cpu); #ifndef BENCHMARK if (i != 0 && !(i % (reps / 10))) - printf_verbose("tid %d: count %lld\n", (int) gettid(), i); + printf_verbose("tid %d: count %lld\n", + (int) rseq_gettid(), i); #endif } printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n", - (int) gettid(), nr_abort, signals_delivered); + (int) rseq_gettid(), nr_abort, signals_delivered); if (!opt_disable_rseq && thread_data->reg && rseq_unregister_current_thread()) abort(); @@ -454,11 +455,12 @@ void *test_percpu_inc_thread(void *arg) } while (rseq_unlikely(ret)); #ifndef BENCHMARK if (i != 0 && !(i % (reps / 10))) - printf_verbose("tid %d: count %lld\n", (int) gettid(), i); + printf_verbose("tid %d: count %lld\n", + (int) rseq_gettid(), i); #endif } printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n", - (int) gettid(), nr_abort, signals_delivered); + (int) rseq_gettid(), nr_abort, signals_delivered); if (!opt_disable_rseq && thread_data->reg && rseq_unregister_current_thread()) abort(); @@ -605,7 +607,7 @@ void *test_percpu_list_thread(void *arg) } printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n", - (int) gettid(), nr_abort, signals_delivered); + (int) rseq_gettid(), nr_abort, signals_delivered); if (!opt_disable_rseq && rseq_unregister_current_thread()) abort(); @@ -796,7 +798,7 @@ void *test_percpu_buffer_thread(void *arg) } printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n", - (int) gettid(), nr_abort, signals_delivered); + (int) rseq_gettid(), nr_abort, signals_delivered); if (!opt_disable_rseq && rseq_unregister_current_thread()) abort(); @@ -1011,7 +1013,7 @@ void *test_percpu_memcpy_buffer_thread(void *arg) } printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n", - (int) gettid(), nr_abort, signals_delivered); + (int) rseq_gettid(), nr_abort, signals_delivered); if (!opt_disable_rseq && rseq_unregister_current_thread()) abort(); -- 2.17.1