Re: DMA from/to user-space memory

H. Peter Anvin (hpa@transmeta.com)
19 May 1998 22:34:18 GMT

Followup to: <199805151516.IAA01991@dm.cobaltmicro.com>
By author: "David S. Miller" <davem@dm.cobaltmicro.com>
In newsgroup: linux.dev.kernel
>
> I also agree with Robert that making part of the DMA interface cater
> to ISA 16MB limitations is likely to be totally unused by anyone.
> (I'm happy to be shown wrong, if you can think of a useful and
> legitimate counterexample, speak up ;-)
>

For the moment, sound falls into this category. Fortunately, even
sound is moving away from ISA, after having been stuck there for far
beyond its time (due to the desire for compatibility with SoundBlaster
backwardness.)

-hpa

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