linux-kernel - Re: [PATCH tip/core/rcu 15/21] keyring: Remove now-redundant smp_read_barrier

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Date:   Mon, 4 Dec 2017 11:59:22 +1100 (AEDT)
From:   James Morris <james.l.morris@...cle.com>
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, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com,
        "Serge E. Hallyn" <serge@...lyn.com>, keyrings@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH tip/core/rcu 15/21] keyring: Remove now-redundant
 smp_read_barrier_depends()

On Fri, 1 Dec 2017, Paul E. McKenney wrote:

> Now that the associative-array library properly heads dependency chains,
> the various smp_read_barrier_depends() calls in security/keys/keyring.c
> are no longer needed.  This commit therefore removes them.
> 
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> Cc: David Howells <dhowells@...hat.com>
> Cc: James Morris <james.l.morris@...cle.com>
> Cc: "Serge E. Hallyn" <serge@...lyn.com>
> Cc: <keyrings@...r.kernel.org>
> Cc: <linux-security-module@...r.kernel.org>


Reviewed-by: James Morris <james.l.morris@...cle.com>


-- 
James Morris
<james.l.morris@...cle.com>