linux-kernel - Re: Simplifying our RCU models

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Message-Id: <20180308204524.GW3918@linux.vnet.ibm.com>
Date:   Thu, 8 Mar 2018 12:45:24 -0800
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Tejun Heo <tj@...nel.org>, Jann Horn <jannh@...gle.com>,
        Benjamin LaHaise <bcrl@...ck.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Simplifying our RCU models

On Wed, Mar 07, 2018 at 10:48:50AM -0800, Linus Torvalds wrote:
> On Wed, Mar 7, 2018 at 7:54 AM, Paul E. McKenney
> <paulmck@...ux.vnet.ibm.com> wrote:
> >
> > Ah, and any thoughts on how best to get feedback from the various people
> > who would need to reprogram their fingers?  Or is everyone already on
> > board with changing these various names?
> 
> I really would prefer to not see massive re-naming unless there is a
> really good reason for it.
> 
> I'm all for simplifying RCU from a million different versions down to
> just a few thousand, but I'm definitely not convinced we want to do
> any search-and-replace.

I am currently in the design (more accurately, reredesign phase) for
the simplification.  It is quite possible that there is a good reason
for at least some renaming, but in that case, I would come back later
with that as a separate proposal.

							Thanx, Paul