linux-kernel - [PATCH RESEND 3/4] Documentation/litmus-tests: Merge atomic's README into top-level one

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Date:   Wed, 13 May 2020 06:39:03 +0900
From:   Akira Yokosawa <akiyks@...il.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     Joel Fernandes <joel@...lfernandes.org>,
        Boqun Feng <boqun.feng@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Vineeth Remanan Pillai <vpillai@...italocean.com>,
        Jonathan Corbet <corbet@....net>,
        Alan Stern <stern@...land.harvard.edu>,
        Andrea Parri <parri.andrea@...il.com>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Nicholas Piggin <npiggin@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        Daniel Lustig <dlustig@...dia.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>
Subject: [PATCH RESEND 3/4] Documentation/litmus-tests: Merge atomic's README
 into top-level one

>From 96fa6680e3b990633ecbb6d11acf03a161b790bd Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@...il.com>
Date: Sun, 10 May 2020 15:12:57 +0900
Subject: [PATCH RESEND 3/4] Documentation/litmus-tests: Merge atomic's README into top-level one

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.

Signed-off-by: Akira Yokosawa <akiyks@...il.com>
Acked-by: Andrea Parri <parri.andrea@...il.com>
Acked-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 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 c4307ea9f996..ac0b270b456c 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 714cf93816ea..000000000000
--- 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.
-- 
2.17.1