Date: Mon, 14 Jan 2002 18:27:36 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: David Greenman <dg@root.com> Cc: Bosko Milekic <bmilekic@technokratis.com>, "James E. Housley" <jeh@FreeBSD.org>, Thomas Hurst <tom.hurst@clara.net>, arch@FreeBSD.org Subject: Re: 64 bit counters again Message-ID: <3C439398.D29AB1C2@mindspring.com> References: <Pine.BSF.4.41.0201132057560.62182-100000@prg.traveller.cz> <3C41F3FD.4ECC8CD@mindspring.com> <20020113231459.GA30349@voi.aagh.net> <3C42390A.F9E9F533@mindspring.com> <3C42E899.CB21BD0A@FreeBSD.org> <20020114105859.A24635@technokratis.com> <3C4305E5.65BB32A6@FreeBSD.org> <20020114114911.A24990@technokratis.com> <20020114094738.A8955@nexus.root.com> <3C4334A1.6601C5ED@mindspring.com> <20020114115104.C8955@nexus.root.com>
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David Greenman wrote: > Um, that still results in a 64bit counter since that's how most 32bit > machines do 64bit adds. No, it requires him to have an unlocked device instance remainder field, with a locked 32 bit global K-counter field. You could even update the global at NETISR or some other less time critical juncture. Doing a 64 bit add would need locked add with carry for the whole thing. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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