linux-kernel - Re: [patch] ipvs: force read of atomic

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Message-ID: <20070809133659.GA28532@one.firstfloor.org>
Date:	Thu, 9 Aug 2007 15:36:59 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Michael Buesch <mb@...sch.de>
Cc:	Andi Kleen <andi@...stfloor.org>, Chris Snook <csnook@...hat.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	schwidefsky@...ibm.com, wensong@...ux-vs.org, horms@...ge.net.au,
	torvalds@...l.org
Subject: Re: [patch] ipvs: force read of atomic_t in while loop

> Isn't it possible through some inline assembly trick
> that only a certain variable has to be reloaded?

A volatile cast does that already

-Andi

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