From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akira Yokosawa Subject: [PATCH 2/2] Documentation/litmus-tests: Add note on herd7 7.56 in atomic litmus test Date: Wed, 24 Jun 2020 07:09:01 +0900 Message-ID: <9e1d448a-cf3c-523d-e0a6-f46ac4706c48@gmail.com> References: <20200623005152.GA27459@paulmck-ThinkPad-P72> <20200623005231.27712-13-paulmck@kernel.org> <20200623155419.GI9247@paulmck-ThinkPad-P72> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388033AbgFWWJG (ORCPT ); Tue, 23 Jun 2020 18:09:06 -0400 In-Reply-To: Content-Language: en-US Sender: linux-arch-owner@vger.kernel.org List-ID: To: paulmck@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, stern@rowland.harvard.edu, parri.andrea@gmail.com, will@kernel.org, peterz@infradead.org, boqun.feng@gmail.com, npiggin@gmail.com, dhowells@redhat.com, j.alglave@ucl.ac.uk, luc.maranget@inria.fr, Akira Yokosawa >From f808c371075d2f92b955da1a83ecb3828db1972e Mon Sep 17 00:00:00 2001 From: Akira Yokosawa Date: Wed, 24 Jun 2020 06:59:26 +0900 Subject: [PATCH 2/2] Documentation/litmus-tests: Add note on herd7 7.56 in atomic litmus test herdtools 7.56 has enhanced herd7's C parser so that the "(void)expr" construct in Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus is accepted. This is independent of LKMM's cat model, so mention the required version in the header of the litmus test and its entry in README. CC: Boqun Feng Reported-by: Andrea Parri Signed-off-by: Akira Yokosawa --- Documentation/litmus-tests/README | 1 + .../atomic/Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/litmus-tests/README b/Documentation/litmus-tests/README index b79e640214b9..7f5c6c3ed6c3 100644 --- a/Documentation/litmus-tests/README +++ b/Documentation/litmus-tests/README @@ -19,6 +19,7 @@ Atomic-RMW+mb__after_atomic-is-stronger-than-acquire.litmus Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus Test that atomic_set() cannot break the atomicity of atomic RMWs. + NOTE: Require herd7 7.56 or later which supports "(void)expr". RCU (/rcu directory) diff --git a/Documentation/litmus-tests/atomic/Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus b/Documentation/litmus-tests/atomic/Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus index 49385314d911..ffd4d3e79c4a 100644 --- a/Documentation/litmus-tests/atomic/Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus +++ b/Documentation/litmus-tests/atomic/Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus @@ -4,6 +4,7 @@ C Atomic-RMW-ops-are-atomic-WRT-atomic_set * Result: Never * * Test that atomic_set() cannot break the atomicity of atomic RMWs. + * NOTE: This requires herd7 7.56 or later which supports "(void)expr". *) { -- 2.17.1