Date: Fri, 13 Apr 2007 09:35:50 -0500 From: Craig Boston <craig@xfoil.gank.org> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-fs@freebsd.org, Dag-Erling Sm?rgrav <des@des.no>, "Rick C. Petty" <rick-freebsd@kiwi-computer.com>, freebsd-current@freebsd.org Subject: Re: ZFS committed to the FreeBSD base. Message-ID: <20070413143550.GA19881@nowhere> In-Reply-To: <20070413164840.V31079@besplex.bde.org> References: <86k5wo55s0.fsf@dwp.des.no> <20070407203411.GJ8831@cicely12.cicely.de> <86wt0n3mxv.fsf@dwp.des.no> <20070411214911.GA38351@VARK.MIT.EDU> <20070412073605.GB834@turion.vk2pj.dyndns.org> <86ps6aht1i.fsf@dwp.des.no> <20070412160603.GB92079@keira.kiwi-computer.com> <20070412185159.GB95302@nowhere> <86slb5e33a.fsf@dwp.des.no> <20070413164840.V31079@besplex.bde.org>
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On Fri, Apr 13, 2007 at 05:34:56PM +1000, Bruce Evans wrote: > Doesn't everyone who uses atomic operations knows that they are expensive? > :) Yes, though hopefully they should at least be faster than using a mutex, though for cmpxchg8b it sounds like that may not necessarily be the case... Craig
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