From nobody Tue Sep 16 01:16:39 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1B50C6379F for ; Sat, 7 Jan 2023 10:53:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236854AbjAGKx2 (ORCPT ); Sat, 7 Jan 2023 05:53:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230451AbjAGKxF (ORCPT ); Sat, 7 Jan 2023 05:53:05 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 326F11AA35; Sat, 7 Jan 2023 02:53:02 -0800 (PST) Date: Sat, 07 Jan 2023 10:52:59 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1673088780; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=29IFVQKkBM2d3cUMvgcNHzznzn5qBc+AsfivuOcJal0=; b=b/jFfricaL+KuACzOOF72nHenKyfLcUsnFdvXswCadJQkxy4YlZgVgGJsgtPu5Li4BkHxe Rm9DWJbLKDwFVnzkpjW5uTEH08kTsnqy3TL43bsw7a16lrErlakCrcweF1gzTYkSSxls2A 6sPAUa0/KFOCzoGyRIwztvg+FSXHSUIUdR31MKcwWxsh0KThFaEOKcdAxOgtVgdlDeCtvZ cDTmgMrpIlhIWGwn6n1JuHLKJv+CEFf2Kuv3DrVfcVtAGHrVuS1DP7DJAX8NdhhFy3wF7c oA4dWKjtl5+itp7qnEpx6iHo6fU8l4avVu4o5ztrf5YIld5hahe1jRQEK2zSAg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1673088780; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=29IFVQKkBM2d3cUMvgcNHzznzn5qBc+AsfivuOcJal0=; b=pIqLlM4oFrAY7MwloLk8nuWQFJbhdnqDieOV1x94QPFe+noDrsetbj6dTktht0EGvlmFUi 9YBJqQYimJZg4VCQ== From: "tip-bot2 for Michal Clapinski" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/core] selftests/membarrier: Test MEMBARRIER_CMD_GET_REGISTRATIONS Cc: Michal Clapinski , Ingo Molnar , Mathieu Desnoyers , "Paul E. McKenney" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20221207164338.1535591-3-mclapinski@google.com> References: <20221207164338.1535591-3-mclapinski@google.com> MIME-Version: 1.0 Message-ID: <167308877964.4906.16867629366047157464.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the sched/core branch of tip: Commit-ID: d74f87f37672e71457bfcc14eca5eeb1d61b6438 Gitweb: https://git.kernel.org/tip/d74f87f37672e71457bfcc14eca5eeb1d= 61b6438 Author: Michal Clapinski AuthorDate: Wed, 07 Dec 2022 17:43:38 +01:00 Committer: Ingo Molnar CommitterDate: Sat, 07 Jan 2023 11:29:29 +01:00 selftests/membarrier: Test MEMBARRIER_CMD_GET_REGISTRATIONS Keep track of previously issued registrations and compare the result with MEMBARRIER_CMD_GET_REGISTRATIONS return value. Signed-off-by: Michal Clapinski Signed-off-by: Ingo Molnar Acked-by: Mathieu Desnoyers Acked-by: Paul E. McKenney Link: https://lore.kernel.org/r/20221207164338.1535591-3-mclapinski@google.= com --- tools/testing/selftests/membarrier/membarrier_test_impl.h | 33 ++= +++++++++++++++++++++++++++++++ tools/testing/selftests/membarrier/membarrier_test_multi_thread.c | 2 +- tools/testing/selftests/membarrier/membarrier_test_single_thread.c | 6 ++= +++- 3 files changed, 39 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/membarrier/membarrier_test_impl.h b/to= ols/testing/selftests/membarrier/membarrier_test_impl.h index 186be69..af89855 100644 --- a/tools/testing/selftests/membarrier/membarrier_test_impl.h +++ b/tools/testing/selftests/membarrier/membarrier_test_impl.h @@ -9,11 +9,38 @@ =20 #include "../kselftest.h" =20 +static int registrations; + static int sys_membarrier(int cmd, int flags) { return syscall(__NR_membarrier, cmd, flags); } =20 +static int test_membarrier_get_registrations(int cmd) +{ + int ret, flags =3D 0; + const char *test_name =3D + "sys membarrier MEMBARRIER_CMD_GET_REGISTRATIONS"; + + registrations |=3D cmd; + + ret =3D sys_membarrier(MEMBARRIER_CMD_GET_REGISTRATIONS, 0); + if (ret < 0) { + ksft_exit_fail_msg( + "%s test: flags =3D %d, errno =3D %d\n", + test_name, flags, errno); + } else if (ret !=3D registrations) { + ksft_exit_fail_msg( + "%s test: flags =3D %d, ret =3D %d, registrations =3D %d\n", + test_name, flags, ret, registrations); + } + ksft_test_result_pass( + "%s test: flags =3D %d, ret =3D %d, registrations =3D %d\n", + test_name, flags, ret, registrations); + + return 0; +} + static int test_membarrier_cmd_fail(void) { int cmd =3D -1, flags =3D 0; @@ -113,6 +140,8 @@ static int test_membarrier_register_private_expedited_s= uccess(void) ksft_test_result_pass( "%s test: flags =3D %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } =20 @@ -170,6 +199,8 @@ static int test_membarrier_register_private_expedited_s= ync_core_success(void) ksft_test_result_pass( "%s test: flags =3D %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } =20 @@ -204,6 +235,8 @@ static int test_membarrier_register_global_expedited_su= ccess(void) ksft_test_result_pass( "%s test: flags =3D %d\n", test_name, flags); + + test_membarrier_get_registrations(cmd); return 0; } =20 diff --git a/tools/testing/selftests/membarrier/membarrier_test_multi_threa= d.c b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c index ac5613e..a9cc17f 100644 --- a/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c +++ b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c @@ -62,7 +62,7 @@ static int test_mt_membarrier(void) int main(int argc, char **argv) { ksft_print_header(); - ksft_set_plan(13); + ksft_set_plan(16); =20 test_membarrier_query(); =20 diff --git a/tools/testing/selftests/membarrier/membarrier_test_single_thre= ad.c b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c index c1c9639..4cdc8b1 100644 --- a/tools/testing/selftests/membarrier/membarrier_test_single_thread.c +++ b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c @@ -12,7 +12,9 @@ int main(int argc, char **argv) { ksft_print_header(); - ksft_set_plan(13); + ksft_set_plan(18); + + test_membarrier_get_registrations(/*cmd=3D*/0); =20 test_membarrier_query(); =20 @@ -20,5 +22,7 @@ int main(int argc, char **argv) =20 test_membarrier_success(); =20 + test_membarrier_get_registrations(/*cmd=3D*/0); + return ksft_exit_pass(); }