linux-kernel - Re: [PATCH 03/24] rcu/tree: Use consistent style for comments

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Date:   Fri, 01 May 2020 13:52:46 -0700
From:   Joe Perches <joe@...ches.com>
To:     paulmck@...nel.org, "Uladzislau Rezki (Sony)" <urezki@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Theodore Y . Ts'o" <tytso@....edu>,
        Matthew Wilcox <willy@...radead.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        RCU <rcu@...r.kernel.org>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>
Subject: Re: [PATCH 03/24] rcu/tree: Use consistent style for comments

On Fri, 2020-05-01 at 12:05 -0700, Paul E. McKenney wrote:
> On Tue, Apr 28, 2020 at 10:58:42PM +0200, Uladzislau Rezki (Sony) wrote:
> > Simple clean up of comments in kfree_rcu() code to keep it consistent
> > with majority of commenting styles.
[]
> on /* */ style?
> 
> I am (slowly) moving RCU to "//" for those reasons.  ;-)

I hope c99 comment styles are more commonly used soon too.
checkpatch doesn't care.

Perhaps a change to coding-style.rst
---
 Documentation/process/coding-style.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index acb2f1b..fee647 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -565,6 +565,11 @@ comments is a little different.
 	 * but there is no initial almost-blank line.
 	 */
 
+.. code-block:: c
+
+	// Single line and inline comments may also use the c99 // style
+	// Block comments as well
+
 It's also important to comment data, whether they are basic types or derived
 types.  To this end, use just one data declaration per line (no commas for
 multiple data declarations).  This leaves you room for a small comment on each