From: David Howells <dhowells@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: dhowells@redhat.com, Miklos Szeredi <miklos@szeredi.hu>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: memory barrier question
Date: Thu, 16 Sep 2010 18:59:14 +0100 [thread overview]
Message-ID: <18367.1284659954@redhat.com> (raw)
In-Reply-To: <1284653939.2275.578.camel@laptop>
Peter Zijlstra <peterz@infradead.org> wrote:
> Therefore:
>
> A = 5
> LOCK
>
> UNLOCK
> B = 6
>
> May be observed as:
>
> LOCK
> B = 6
> A = 5
> UNLOCK
Yeah, you're right.
David
next prev parent reply other threads:[~2010-09-16 17:59 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-15 14:36 memory barrier question 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 13:42 ` Miklos Szeredi
2010-09-16 14:30 ` David Howells
2010-09-16 15:03 ` Paul E. McKenney
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 18:25 ` 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
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 16:18 ` Peter Zijlstra
2010-09-16 17:59 ` David Howells [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-09-20 10:34 George Spelvin
2010-10-29 13:23 Memory " Tetsuo Handa
2010-10-29 15:09 ` Paul E. McKenney
2010-10-30 5:48 ` Tetsuo Handa
2010-10-30 6:11 ` Eric Dumazet
2010-10-30 12:40 ` Tetsuo Handa
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