From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Michael Cree <mcree@orcon.net.nz>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
James.Bottomley@HansenPartnership.com, benh@kernel.crashing.org,
dhowells@redhat.com, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Subject: Re: memory barrier question
Date: Mon, 20 Sep 2010 13:40:55 -0700 [thread overview]
Message-ID: <20100920204055.GJ2408@linux.vnet.ibm.com> (raw)
In-Reply-To: <4C97C366.80206@orcon.net.nz>
On Tue, Sep 21, 2010 at 08:26:14AM +1200, Michael Cree wrote:
> On 21/09/10 06:25, Paul E. McKenney wrote:
> >But do we really care about Alpha anymore? (I can see it now... The
> >Alpha portion of the kernel tree moves to staging...)
>
> I do.
>
> Sent from my Compaq Alpha XP1000 :-)
In that case, an smp_read_barrier_depends() or rcu_dereference() is
also required...
Thanx, Paul
next prev parent reply other threads:[~2010-09-20 20:40 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 14:36 memory barrier question Miklos Szeredi
2010-09-15 14:36 ` Miklos Szeredi
2010-09-15 19:12 ` Rafael J. Wysocki
2010-09-16 11:55 ` David Howells
2010-09-16 13:42 ` Miklos Szeredi
2010-09-16 13:42 ` Miklos Szeredi
2010-09-16 14:30 ` David Howells
2010-09-16 15:03 ` Paul E. McKenney
2010-09-16 15:03 ` Paul E. McKenney
2010-09-16 16:06 ` Miklos Szeredi
2010-09-16 16:06 ` Miklos Szeredi
2010-09-16 16:37 ` Paul E. McKenney
2010-09-16 16:56 ` Miklos Szeredi
2010-09-16 17:09 ` James Bottomley
2010-09-16 17:17 ` Miklos Szeredi
2010-09-16 17:40 ` James Bottomley
2010-09-17 21:49 ` Benjamin Herrenschmidt
2010-09-17 23:12 ` Paul E. McKenney
2010-09-19 2:47 ` Benjamin Herrenschmidt
2010-09-19 15:26 ` Paul E. McKenney
2010-09-19 20:15 ` Miklos Szeredi
2010-09-19 21:59 ` Paul E. McKenney
2010-09-20 0:58 ` James Bottomley
2010-09-20 1:29 ` Paul E. McKenney
2010-09-20 16:01 ` Miklos Szeredi
2010-09-20 18:25 ` Paul E. McKenney
2010-09-20 18:57 ` Paul E. McKenney
2010-09-20 20:26 ` Michael Cree
2010-09-20 20:40 ` Paul E. McKenney [this message]
2010-09-21 14:59 ` Paul E. McKenney
2010-09-22 18:41 ` Paul E. McKenney
2010-09-18 1:12 ` Alan Cox
2010-09-16 16:50 ` Jamie Lokier
2010-09-16 16:18 ` Peter Zijlstra
2010-09-16 17:59 ` David Howells
-- strict thread matches above, loose matches on Subject: below --
2010-09-20 10:34 George Spelvin
2010-09-20 10:34 ` George Spelvin
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