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Message-ID: <9987.1254813489@redhat.com>
Date: Tue, 06 Oct 2009 08:18:09 +0100
From: David Howells <dhowells@...hat.com>
To: Amerigo Wang <amwang@...hat.com>
Cc: dhowells@...hat.com, linux-kernel@...r.kernel.org,
Brian Behlendorf <behlendorf1@...l.gov>,
Ben Woodard <bwoodard@...l.gov>,
Stable Team <stable@...nel.org>, akpm@...ux-foundation.org
Subject: Re: [Patch v2] rwsem: fix rwsem_is_locked() bugs
Amerigo Wang <amwang@...hat.com> wrote:
> Since if we have locks, we don't need memory barriers any more, right?
Indeed - locks are implicit memory barriers.
David
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