From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Date: Thu, 12 Jan 2006 01:38:14 +0000
Subject: Bug in ia64 specific down() function??
Message-Id: <200601120138.k0C1cEg03582@unix-os.sc.intel.com>
List-Id: <linux-ia64.vger.kernel.org>
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To: linux-ia64@vger.kernel.org

The memory order semantics for include/asm-ia64/semaphore.h:down()
doesn't look right.  It is using atomic_dec_return, which eventually
translate into ia64_fetch_and_add() that uses release semantics.
Shouldn't it use acquire semantics?

- Ken