From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-13539-1516208349-2-4124250762821627283 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES unknown, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-api-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1516208348; b=FhuWtvu+s0IUfgO8UxUqTB5Fnq1WYOl2aK91oeASD/g74dR 9+q1cfPkMt+E6cwa1O+F3RlSlJWhdrkdg6uCG2WLbU8foyuFAtIxx0qsadozmWa8 Cr2NM91xT4Lq3YHldAM1IzwgIN7CuNN/j6mJTTK9FbWqNmrZ8gU4dFxXitCXyjug cSOl/gtLj4Sbn2ByZ3DFsDW6iBcv3yiahCw2Ae1HzOpYhim5AozRqk/PTU2Zbj+x pBQ34Svj3ieGZvNLftjIOoSgxce5M/A53A+fo1WpcW3/PVVSScnWaFPUTDOLxoMm xXrkFbMtptAwz0sDyAw9OKCjIn4tRaCo1vmx41g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:sender:list-id; s=arctest; t=1516208348; bh=P+NCKXIWbSTjqkj9ZlR+hsREFaRYx54FveveKB9otoQ=; b=RnFoy75Zb1fr aYZe/Cm2UQgQ95bMY8QtrJFoqC23wnHs1wuJce/F6zjGHY3e/3l0cxSzVQd3XcHT m1TDWaX+2o3nIA3h4e8h1aVVO8pmUCOzgmSn2rCPmPu26cEq2I5+S9Hn0ykegwAy W++9HXHfbXUIobCcq0N8QNfpflOB9RS+0D6TptRa8Kw7EvPH0wKE5aEkczfFN1aF oIpFnJSfCUJnEX+r54lJhJer5crlUU2mgojI8+oQxXt5ChjwOKISJRRTMyIYRSPI gy96HvaiTj9fzZpZdCWY4kc6Qkr3SHWWm/d9qbxzq+t3nT7JyhZ5aknnNghM2pjF P9Qe23xUgA== ARC-Authentication-Results: i=1; mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=efficios.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=efficios.com header.result=pass header_is_org_domain=yes Authentication-Results: mx5.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=efficios.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=efficios.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932267AbeAQQ6e (ORCPT ); Wed, 17 Jan 2018 11:58:34 -0500 Received: from mail.efficios.com ([167.114.142.141]:46298 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932237AbeAQQ4O (ORCPT ); Wed, 17 Jan 2018 11:56:14 -0500 From: Mathieu Desnoyers To: Ingo Molnar , Peter Zijlstra , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Andy Lutomirski , "Paul E . McKenney" , Boqun Feng , Andrew Hunter , Maged Michael , Avi Kivity , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Dave Watson , "H . Peter Anvin" , Andrea Parri , Russell King , Greg Hackmann , Will Deacon , David Sehr , Linus Torvalds , x86@kernel.org, Mathieu Desnoyers , Greg Kroah-Hartman , Alan Stern , Alice Ferrazzi , Paul Elder , linux-kselftest@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH for 4.16 05/11] membarrier: selftest: Test global expedited cmd (v2) Date: Wed, 17 Jan 2018 11:54:52 -0500 Message-Id: <20180117165458.13330-6-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180117165458.13330-1-mathieu.desnoyers@efficios.com> References: <20180117165458.13330-1-mathieu.desnoyers@efficios.com> Sender: linux-api-owner@vger.kernel.org X-Mailing-List: linux-api@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Test the new MEMBARRIER_CMD_GLOBAL_EXPEDITED and MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED commands. Adapt to the MEMBARRIER_CMD_SHARED -> MEMBARRIER_CMD_GLOBAL rename. Signed-off-by: Mathieu Desnoyers Acked-by: Shuah Khan CC: Greg Kroah-Hartman CC: Peter Zijlstra CC: Paul E. McKenney CC: Boqun Feng CC: Andrew Hunter CC: Maged Michael CC: Avi Kivity CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Michael Ellerman CC: Dave Watson CC: Alan Stern CC: Will Deacon CC: Andy Lutomirski CC: Alice Ferrazzi CC: Paul Elder CC: linux-kselftest@vger.kernel.org CC: linux-arch@vger.kernel.org --- Changes since v1: - Rename SHARED to GLOBAL. --- .../testing/selftests/membarrier/membarrier_test.c | 59 ++++++++++++++++++++-- 1 file changed, 54 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c index e6ee73d01fa1..eec39a0e1f77 100644 --- a/tools/testing/selftests/membarrier/membarrier_test.c +++ b/tools/testing/selftests/membarrier/membarrier_test.c @@ -59,10 +59,10 @@ static int test_membarrier_flags_fail(void) return 0; } -static int test_membarrier_shared_success(void) +static int test_membarrier_global_success(void) { - int cmd = MEMBARRIER_CMD_SHARED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_SHARED"; + int cmd = MEMBARRIER_CMD_GLOBAL, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL"; if (sys_membarrier(cmd, flags) != 0) { ksft_exit_fail_msg( @@ -132,6 +132,40 @@ static int test_membarrier_private_expedited_success(void) return 0; } +static int test_membarrier_register_global_expedited_success(void) +{ + int cmd = MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + +static int test_membarrier_global_expedited_success(void) +{ + int cmd = MEMBARRIER_CMD_GLOBAL_EXPEDITED, flags = 0; + const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL_EXPEDITED"; + + if (sys_membarrier(cmd, flags) != 0) { + ksft_exit_fail_msg( + "%s test: flags = %d, errno = %d\n", + test_name, flags, errno); + } + + ksft_test_result_pass( + "%s test: flags = %d\n", + test_name, flags); + return 0; +} + static int test_membarrier(void) { int status; @@ -142,7 +176,7 @@ static int test_membarrier(void) status = test_membarrier_flags_fail(); if (status) return status; - status = test_membarrier_shared_success(); + status = test_membarrier_global_success(); if (status) return status; status = test_membarrier_private_expedited_fail(); @@ -154,6 +188,19 @@ static int test_membarrier(void) status = test_membarrier_private_expedited_success(); if (status) return status; + /* + * It is valid to send a global membarrier from a non-registered + * process. + */ + status = test_membarrier_global_expedited_success(); + if (status) + return status; + status = test_membarrier_register_global_expedited_success(); + if (status) + return status; + status = test_membarrier_global_expedited_success(); + if (status) + return status; return 0; } @@ -173,8 +220,10 @@ static int test_membarrier_query(void) } ksft_exit_fail_msg("sys_membarrier() failed\n"); } - if (!(ret & MEMBARRIER_CMD_SHARED)) + if (!(ret & MEMBARRIER_CMD_GLOBAL)) { + ksft_test_result_fail("sys_membarrier() CMD_GLOBAL query failed\n"); ksft_exit_fail_msg("sys_membarrier is not supported.\n"); + } ksft_test_result_pass("sys_membarrier available\n"); return 0; -- 2.11.0