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Date: Thu, 4 Sep 2014 14:29:01 +0200
From: Jakub Jelinek <jakub@redhat.com>
To: Peter Hurley <peter@hurleysoftware.com>
Subject: Re: bit fields && data tearing
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Cc: linux-arch@vger.kernel.org, Mikael Pettersson <mikpelinux@gmail.com>,
 Tony Luck <tony.luck@intel.com>, linux-ia64@vger.kernel.org,
 Oleg Nesterov <oleg@redhat.com>, linux-kernel@vger.kernel.org,
 Paul Mackerras <paulus@samba.org>,
 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, linuxppc-dev@lists.ozlabs.org,
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On Thu, Sep 04, 2014 at 08:24:12AM -0400, Peter Hurley wrote:
> And I just confirmed with the Alpha cross-compiler that the fields are
> not 'padded out' if volatile either.

They can't be, struct layout is part of the ABI.
Guess you can introduce say atomic_bool and similar typedefs which would be
bool or char on most arches and on alpha int.

	Jakub