linux-kernel - Re: [PATCH 1/3] rcu/nocb: Start moving nocb code to its own plugin file

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Message-ID: <20210520010254.GC22836@lothringen>
Date:   Thu, 20 May 2021 03:02:54 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>, rcu@...r.kernel.org
Subject: Re: [PATCH 1/3] rcu/nocb: Start moving nocb code to its own plugin
 file

On Wed, May 19, 2021 at 08:55:08AM -0700, Paul E. McKenney wrote:
> On Wed, May 19, 2021 at 02:09:28AM +0200, Frederic Weisbecker wrote:
> > tree_plugin.h is now gathering not only the (no)preempt-rcu specifics
> > but also other features like NO_CB. As the latter has grown quite in
> > complexity and volume, it's may be a good idea to start moving the
> > related code to its own file so we don't need to browse thousand lines
> > to find what we need.
> > 
> > Suggested-by: Paul E. McKenney <paulmck@...nel.org>
> > Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
> 
> Applied with the usual wordsmithing, thank you!
> 
> But for consistency with the other similar files included by
> kernel/rcu/tree.c, should the name instead be kernel/rcu/tree_nocb.h?

Ah yes, I hesitated but tree_nocb.h is indeed more consistent. Can I let
you do the rename?

> Also, if Ingo and I are one the author list, shouldn't you be as well?  ;-)

Heh, alright feel free to add the following as a fixup :-)

diff --git a/kernel/rcu/nocb.h b/kernel/rcu/nocb.h
index a7783923833e..bf2690ca5d2b 100644
--- a/kernel/rcu/nocb.h
+++ b/kernel/rcu/nocb.h
@@ -6,9 +6,11 @@
  *
  * Copyright Red Hat, 2009
  * Copyright IBM Corporation, 2009
+ * Copyright SUSE, 2021
  *
  * Author: Ingo Molnar <mingo@...e.hu>
  *	   Paul E. McKenney <paulmck@...ux.ibm.com>
+ *	   Frederic Weisbecker <frederic@...nel.org>
  */
 
 #ifdef CONFIG_RCU_NOCB_CPU


Or perhaps you prefer a separate patch?

Thanks!