linux-kernel - Re: f68f031d ("Documentation: atomic_t.txt: Explain ordering provided by smp_mb__{before,after}

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Message-ID: <20190503151915.GD2606@hirez.programming.kicks-ass.net>
Date:   Fri, 3 May 2019 17:19:15 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     stern@...land.harvard.edu, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: f68f031d ("Documentation: atomic_t.txt: Explain ordering
 provided by smp_mb__{before,after}_atomic()")

On Fri, May 03, 2019 at 07:53:26AM -0700, Paul E. McKenney wrote:
> Hello, Alan,
> 
> Just following up on the -rcu commit below.  I believe that it needs
> some adjustment given Peter Zijlstra's addition of "memory" to the x86
> non-value-returning atomics, but thought I should double-check.

Right; I should get back to that thread...