Subject: Re: ISA bounce buffer/DMA interface
To: None <Chris_G_Demetriou@balvenie.pdl.cs.cmu.edu, jonathan@dsg.stanford.edu>
From: Chris Torek <torek@BSDI.COM>
List: tech-kern
Date: 09/16/1995 17:08:17
>It may well be best to handle DEC IO ASIC-style DMA mappings in a
>DMA-pointer-change interrupt handler, and not expose them to this
>layer of software at all.  I'd appreciate comments either way.

This sounds like a good strategy to me, especially if `load
the new DMA pointer and continue' needs to be fast and/or is
particularly simple.

Chris