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Date:   Tue, 22 May 2018 10:47:11 -0700
From:   "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     Joel Fernandes <joel@joelfernandes.org>, byungchul.park@lge.com,
        mathieu.desnoyers@efficios.com,
        Josh Triplett <josh@joshtriplett.org>,
        Lai Jiangshan <jiangshanlai@gmail.com>,
        linux-kernel@vger.kernel.org, kernel-team@android.com
Subject: Re: Tasks RCU vs Preempt RCU
Reply-To: paulmck@linux.vnet.ibm.com
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On Tue, May 22, 2018 at 01:27:00PM -0400, Steven Rostedt wrote:
> On Tue, 22 May 2018 09:09:49 -0700
> "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> 
> > Just for the record, if you guys realy want to take over Tasks RCU,
> > I have no objections.  For one thing, I don't anticipate any other use
> > cases for it (famous last words!).  But you break it, you buy it!  ;-)
> 
> It really matters how much of a burden is RCU_tasks to RCU itself? If
> it causes a lot of headache for you, and it prevents you from cleaning
> up RCU or making it better, then I would be happy to take it out of RCU
> and maintain it separately myself. But if that's not the case, I'm happy
> with keeping it within the RCU umbrella. Which brings me to the
> question of what motivation does Joel have to remove it?

The burden on me from Tasks RCU has been quite light, so no need for a
change from my end.

Over to you, Joel!  ;-)

							Thanx, Paul