linux-kernel - Re: [PATCH RFC] Documentation: RCU: Clarify comment about fanout

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Date:   Sat, 22 Sep 2018 19:38:05 -0400
From:   Joel Fernandes <joel@...lfernandes.org>
To:     paulmck@...ux.ibm.com
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        linux-doc@...r.kernel.org,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH RFC] Documentation: RCU: Clarify comment about fanout

On Sat, Sep 22, 2018 at 9:46 AM Paul E. McKenney <paulmck@...ux.ibm.com> wrote:
[...]
> > I have a few more as well, I'll send them out soon.
>
> I do have on my list to update this document based on the changes in
> -rcu, which among other things eliminate the rcu_dynticks structure
> and  make it so there is only one rcu_state structure in a given
> running system.
>
> If you are crazy enough to want to make the corresponding changes,
> I would welcome the patches (and would be happy to help with editing,
> grammar, and soforth.  The potential advantage to you is familiarlzation
> with the new version of the code.
>
> This is not a small amount of work, so please give it some thought
> before saying "yes".  (In contrast, I would of course understand and
> respect an immediate "no".)

I thought about this and I'd be happy to do it as long as you don't
mind me asking questions about parts I don't understand (which
shouldn't be a problem from my past experience ;-)). I am spending
time understanding the code anyway so I'd rather update the main
documentation than my own notes for the benefit of everyone ;-) As you
said, it'll help familiarization of the code. Btw I got rid of those
extra rcu_state externs too, I'll send that patch out today and
continue working on things next week...

Thanks!

 - Joel