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Date:   Tue, 1 Aug 2017 18:42:00 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     Will Deacon <will.deacon@....com>,
        Boqun Feng <boqun.feng@...il.com>,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [RFC][PATCH v3]: documentation,atomic: Add new documents

On Tue, Aug 01, 2017 at 09:14:12AM -0700, Paul E. McKenney wrote:
> So if ARM really needs the litmus test with smp_rmb() to be allowed,
> we need to adjust the Linux-kernel memory model appropriately.  Which
> means that one of us needs to reach out to the usual suspects.  Would
> you like to do that, or would you like me to?

I'm really sad ARM8.1 LSE breaks this stuff.. It is rather counter
intuitive (then again, we _are_ talking barriers).

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