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Date:      Wed, 17 Jan 2001 20:11:39 -0800
From:      Peter Wemm <peter@netplex.com.au>
To:        Greg Lehey <grog@lemis.com>
Cc:        Duncan Barclay <dmlb@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/ray if_ray_oldcard.h if_ray.c if_rayvar.h 
Message-ID:  <200101180411.f0I4BdK08452@mobile.wemm.org>
In-Reply-To: <20010117234218.A10890@sydney.worldwide.lemis.com> 

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Greg Lehey wrote:
> On Wednesday, 17 January 2001 at  9:55:01 -0800, Duncan Barclay wrote:
> > dmlb        2001/01/17 09:55:01 PST
> >
> >   Modified files:
> >     sys/dev/ray          if_ray.c if_rayvar.h
> >   Added files:
> >     sys/dev/ray          if_ray_oldcard.h
> >   Log:
> >   Take advantage of the fixes to the pcic code that allows multiple
> >   active memory maps. This removes the need to change the memory
> >   map from common to attribute every time a packet is sent/received.
> >
> >   This increases performance and decreases cpu load (ping times on
> >   slow machines improve by about 1.5ms).
> >
> >   Move out the old common memory/attrbiute memory hack functions to a
> >   new header file to tidy up the main code. I want to keep them available
> >   for a while.
> 
> Does this require more than 48 kB total memory space?  In that case,
> it won't work on the Dell Inspiron 7500 unless we can somehow map
> above 0xe0000.  The only way I got the ray driver to work on the 7500
> was to map cm and am to the same address.

If you use NEWCARD and -current, you can map these really high - beyond the
end of memory.

Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5



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