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Date:	Fri, 10 Aug 2007 14:19:29 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"Chris Snook" <csnook@...hat.com>
Cc:	<linux-kernel@...r.kernel.org>, <linux-arch@...r.kernel.org>,
	<torvalds@...ux-foundation.org>, <netdev@...r.kernel.org>,
	<akpm@...ux-foundation.org>, <ak@...e.de>,
	<heiko.carstens@...ibm.com>, <davem@...emloft.net>,
	<schwidefsky@...ibm.com>, <wensong@...ux-vs.org>,
	<horms@...ge.net.au>, <wjiang@...ilience.com>,
	<cfriesen@...tel.com>, <zlynx@....org>, <rpjday@...dspring.com>,
	<jesper.juhl@...il.com>
Subject: RE: [PATCH 9/24] make atomic_read() behave consistently on ia64

> That's distressing.  I'm about to resubmit with a volatile cast in 
> atomic_set as well, since people expect that behavior and I've been 
> shown a legitimate case where it could matter.  Does the assembly look 
> right with that cast in atomic_set() as well?

No.  With the casts to volatile in atomic_set and atomic64_set I
still see places where ld8 is changed to ld4 + sign-extend.

-Tony
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