linux-kernel - Re: [PATCH tip/core/rcu 02/40] rcu: Make arch select smp_mb__after_unlock

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Date:   Thu, 13 Apr 2017 11:21:53 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     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, bobby.prani@...il.com,
        Will Deacon <will.deacon@....com>,
        Boqun Feng <boqun.feng@...ux.vnet.ibm.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH tip/core/rcu 02/40] rcu: Make arch select
 smp_mb__after_unlock_lock() strength

On Wed, Apr 12, 2017 at 10:39:47AM -0700, Paul E. McKenney wrote:

> CONFIG_ARCH_WEAK_RELACQ Kconfig option.

Naming in the changelog and patch don't match.

> +config ARCH_WEAK_RELEASE_ACQUIRE
> +	bool
> +