From mboxrd@z Thu Jan 1 00:00:00 1970 From: paulmck@kernel.org Subject: [PATCH tip/core/rcu 11/14] Documentation/litmus-tests: Merge atomic's README into top-level one Date: Mon, 22 Jun 2020 17:52:28 -0700 Message-ID: <20200623005231.27712-11-paulmck@kernel.org> References: <20200623005152.GA27459@paulmck-ThinkPad-P72> Return-path: Received: from mail.kernel.org ([198.145.29.99]:46650 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732388AbgFWAwf (ORCPT ); Mon, 22 Jun 2020 20:52:35 -0400 In-Reply-To: <20200623005152.GA27459@paulmck-ThinkPad-P72> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org Cc: 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, akiyks@gmail.com, "Paul E . McKenney" From: Akira Yokosawa Where Documentation/litmus-tests/README lists RCU litmus tests, Documentation/litmus-tests/atomic/README lists atomic litmus tests. For symmetry, merge the latter into former, with some context adjustment in the introduction. Acked-by: Andrea Parri Acked-by: Joel Fernandes (Google) Acked-by: Boqun Feng Signed-off-by: Akira Yokosawa Signed-off-by: Paul E. McKenney --- Documentation/litmus-tests/README | 19 +++++++++++++++++++ Documentation/litmus-tests/atomic/README | 16 ---------------- 2 files changed, 19 insertions(+), 16 deletions(-) delete mode 100644 Documentation/litmus-tests/atomic/README diff --git a/Documentation/litmus-tests/README b/Documentation/litmus-tests/README index c4307ea..ac0b270 100644 --- a/Documentation/litmus-tests/README +++ b/Documentation/litmus-tests/README @@ -2,6 +2,25 @@ LITMUS TESTS ============ +Each subdirectory contains litmus tests that are typical to describe the +semantics of respective kernel APIs. +For more information about how to "run" a litmus test or how to generate +a kernel test module based on a litmus test, please see +tools/memory-model/README. + + +atomic (/atomic derectory) +-------------------------- + +Atomic-RMW+mb__after_atomic-is-stronger-than-acquire.litmus + Test that an atomic RMW followed by a smp_mb__after_atomic() is + stronger than a normal acquire: both the read and write parts of + the RMW are ordered before the subsequential memory accesses. + +Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus + Test that atomic_set() cannot break the atomicity of atomic RMWs. + + RCU (/rcu directory) -------------------- diff --git a/Documentation/litmus-tests/atomic/README b/Documentation/litmus-tests/atomic/README deleted file mode 100644 index 714cf93..0000000 --- a/Documentation/litmus-tests/atomic/README +++ /dev/null @@ -1,16 +0,0 @@ -This directory contains litmus tests that are typical to describe the semantics -of our atomic APIs. For more information about how to "run" a litmus test or -how to generate a kernel test module based on a litmus test, please see -tools/memory-model/README. - -============ -LITMUS TESTS -============ - -Atomic-RMW+mb__after_atomic-is-stronger-than-acquire - Test that an atomic RMW followed by a smp_mb__after_atomic() is - stronger than a normal acquire: both the read and write parts of - the RMW are ordered before the subsequential memory accesses. - -Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus - Test that atomic_set() cannot break the atomicity of atomic RMWs. -- 2.9.5