From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Modra <amodra@gmail.com>
Subject: Re: [PATCH net-next] af_unix: fix a fatal race with bit fields
Date: Wed, 1 May 2013 13:24:25 +0930
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Cc: Anton Blanchard <anton@samba.org>,
	David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>, linuxppc-dev@lists.ozlabs.org,
	Paul Mackerras <paulus@samba.org>,
	Ambrose Feinstein <ambrose@google.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
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On Tue, Apr 30, 2013 at 07:24:20PM -0700, Eric Dumazet wrote:
> 	li 11,1
> 	ld 0,0(9)
> 	rldimi 0,11,31,32
> 	std 0,0(9)
> 	blr
> 	.ident	"GCC: (GNU) 4.6.3"
> 
> You can see "ld 0,0(9)" is used : its a 64 bit load.

Yup.  This is not a powerpc64 specific problem.  See
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52080
Fixed in 4.8.0 and 4.7.3.

-- 
Alan Modra
Australia Development Lab, IBM