linux-kernel - Re: [PATCH RFC tip/core/rcu 14/14] rcu/nohz: Make multi_cpu

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Date:   Mon, 5 Aug 2019 17:50:24 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     rcu@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org
Subject: Re: [PATCH RFC tip/core/rcu 14/14] rcu/nohz: Make multi_cpu_stop()
 enable tick on all online CPUs

On Mon, Aug 05, 2019 at 07:54:48AM -0700, Paul E. McKenney wrote:

> > Right; so clearly we're not understanding what's happening. That seems
> > like a requirement for actually doing a patch.
> 
> Almost but not quite.  It is a requirement for a patch *that* *is*
> *supposed* *to* *be* *a* *fix*.  If you are trying to prohibit me from
> writing experimental patches, please feel free to take a long walk on
> a short pier.
> 
> Understood???

Ah, my bad, I thought you were actually proposing this as an actual
patch. I now see that is my bad, I'd overlooked the RFC part.