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Subject: Re: PLIP driver in 2.2.xx kernels
To: lnxkrnl@mail.ludost.net
Date: Mon, 30 Oct 2000 14:03:34 +0000 (GMT)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.10.10010301840320.15258-100000@doom.izba.net> from "lnxkrnl@mail.ludost.net" at Oct 30, 2000 06:41:51 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > It has to bang on the parallel port controller the hard way, there is no
> > useful hardware support on a basic parallel port for the kind of abuse needed
> > for PLIP
> > 
> (sorry for the late reply)
>  I used plip with kernel 1.2.8 and had no problem with it...The machines
> that I'm using now are far superior than the old ones... Why shouldn't it
> work now ? 

The performance hasnt changed. Your fast CPU simply spends longer in a tight
loop between each thing it has to do. There are no interrupts we can use for
the nibble by nibble data sending

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