Date: Tue, 25 May 1999 10:56:31 +0200 From: Ladavac Marino <mladavac@metropolitan.at> To: 'Mike Smith' <mike@smith.net.au>, Ladavac Marino <mladavac@metropolitan.at> Cc: Joel Ray Holveck <joelh@gnu.org>, Doug Rabson <dfr@nlsystems.com>, Peter Wemm <peter@netplex.com.au>, Tommy Hallgren <thallgren@yahoo.com>, freebsd-hackers@FreeBSD.ORG Subject: RE: Lazy SPLs Message-ID: <55586E7391ACD211B9730000C1100276179618@r-lmh-wi-100.corpnet.at>
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> -----Original Message----- > From: Mike Smith [SMTP:mike@smith.net.au] > Sent: Friday, May 21, 1999 6:05 PM > To: Ladavac Marino > Cc: 'Mike Smith'; Joel Ray Holveck; Doug Rabson; Peter Wemm; Tommy > Hallgren; freebsd-hackers@FreeBSD.ORG > Subject: Re: Lazy SPLs > > > For a simplistic bus, perhaps. But an arbitrated token-delivery > interrupt buslet with a bus-standardised interrupt state > acknowledgement > protocol would be much more efficient. [ML] It would be nice to have an intelligent bus, yes. I won't hold my breath, though :( > PCI makes too many compromises to the PC's architecture; we're just > about ready for a new bus again. [ML] Pretty much, yes. The bus is becoming to be a bottleneck again. > I don't believe I ever suggested that this was the only alternative > technique, and I'm certainly on record as not liking it either. [ML] No, you certainly did not suggest that, but it is the way ISA behaves, and PCI has an advantage over ISA in this respect. The fact that it was only a half-measure is the flip side of the coin. /Marino > -- > \\ The mind's the standard \\ Mike Smith > \\ of the man. \\ msmith@freebsd.org > \\ -- Joseph Merrick \\ msmith@cdrom.com > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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