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Message-Id: <d289ae5cfaa2ff556a1b18e9ed009cb7063275c1.1587488137.git.mchehab+huawei@kernel.org>
Date: Tue, 21 Apr 2020 19:04:02 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
"Paul E. McKenney" <paulmck@...nel.org>,
Josh Triplett <josh@...htriplett.org>,
Steven Rostedt <rostedt@...dmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Lai Jiangshan <jiangshanlai@...il.com>,
Joel Fernandes <joel@...lfernandes.org>, rcu@...r.kernel.org
Subject: [PATCH 01/10] docs: RCU: convert checklist.txt to ReST
- Add a SPDX header;
- Adjust document title;
- Some whitespace fixes and new line breaks;
- Use the right list markups;
- Add it to RCU/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
.../RCU/{checklist.txt => checklist.rst} | 17 ++++++++++++-----
Documentation/RCU/index.rst | 3 +++
2 files changed, 15 insertions(+), 5 deletions(-)
rename Documentation/RCU/{checklist.txt => checklist.rst} (98%)
diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.rst
similarity index 98%
rename from Documentation/RCU/checklist.txt
rename to Documentation/RCU/checklist.rst
index e98ff261a438..2efed9926c3f 100644
--- a/Documentation/RCU/checklist.txt
+++ b/Documentation/RCU/checklist.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================================
Review Checklist for RCU Patches
+================================
This document contains a checklist for producing and reviewing patches
@@ -411,18 +415,21 @@ over a rather long period of time, but improvements are always welcome!
__rcu sparse checks to validate your RCU code. These can help
find problems as follows:
- CONFIG_PROVE_LOCKING: check that accesses to RCU-protected data
+ CONFIG_PROVE_LOCKING:
+ check that accesses to RCU-protected data
structures are carried out under the proper RCU
read-side critical section, while holding the right
combination of locks, or whatever other conditions
are appropriate.
- CONFIG_DEBUG_OBJECTS_RCU_HEAD: check that you don't pass the
+ CONFIG_DEBUG_OBJECTS_RCU_HEAD:
+ check that you don't pass the
same object to call_rcu() (or friends) before an RCU
grace period has elapsed since the last time that you
passed that same object to call_rcu() (or friends).
- __rcu sparse checks: tag the pointer to the RCU-protected data
+ __rcu sparse checks:
+ tag the pointer to the RCU-protected data
structure with __rcu, and sparse will warn you if you
access that pointer without the services of one of the
variants of rcu_dereference().
@@ -442,8 +449,8 @@ over a rather long period of time, but improvements are always welcome!
You instead need to use one of the barrier functions:
- o call_rcu() -> rcu_barrier()
- o call_srcu() -> srcu_barrier()
+ - call_rcu() -> rcu_barrier()
+ - call_srcu() -> srcu_barrier()
However, these barrier functions are absolutely -not- guaranteed
to wait for a grace period. In fact, if there are no call_rcu()
diff --git a/Documentation/RCU/index.rst b/Documentation/RCU/index.rst
index 81a0a1e5f767..c1ba4d130bb0 100644
--- a/Documentation/RCU/index.rst
+++ b/Documentation/RCU/index.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
.. _rcu_concepts:
============
@@ -8,6 +10,7 @@ RCU concepts
:maxdepth: 3
arrayRCU
+ checklist
rcubarrier
rcu_dereference
whatisRCU
--
2.25.2
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