From owner-freebsd-arch Mon Jan 14 18:28: 3 2002 Delivered-To: freebsd-arch@freebsd.org Received: from albatross.prod.itd.earthlink.net (albatross.mail.pas.earthlink.net [207.217.120.120]) by hub.freebsd.org (Postfix) with ESMTP id DB9A537B404; Mon, 14 Jan 2002 18:27:59 -0800 (PST) Received: from pool0039.cvx22-bradley.dialup.earthlink.net ([209.179.198.39] helo=mindspring.com) by albatross.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 16QJK8-0002HQ-00; Mon, 14 Jan 2002 18:27:40 -0800 Message-ID: <3C439398.D29AB1C2@mindspring.com> Date: Mon, 14 Jan 2002 18:27:36 -0800 From: Terry Lambert X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: David Greenman Cc: Bosko Milekic , "James E. Housley" , Thomas Hurst , arch@FreeBSD.org Subject: Re: 64 bit counters again References: <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> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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