Date: Fri, 15 Dec 2000 10:42:41 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: Bernd Walter <ticso@cicely5.cicely.de> Cc: freebsd-alpha@FreeBSD.ORG Subject: Re: mb and wmb in atomic_ Message-ID: <Pine.LNX.4.21.0012151042280.29573-100000@zeppo.feral.com> In-Reply-To: <20001215193443.B62048@cicely5.cicely.de>
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I agree that they need not be there. Others do not. > Why are the mb and wmb operations needed in the atomic_ functions? > If I understood it correctly the locked operations are in synced > with others CPUs and there is no memory operation beside the variable > itself. > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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