On Wed, Jun 12, 2002 at 04:05:32PM -0700, David S. Miller wrote:
> From: Jeff Garzik <jgarzik@xxxxxxxxxxxxxxxx>
> Date: Wed, 12 Jun 2002 19:00:00 -0400
>
> for the 'mips' patch, it looks
> like the arch maintainer(s) need to fix the PCI DMA support...
>
> No, it's worse than that.
>
> See how non-consistent memory is used by the eepro100 driver
> for descriptor bits? The skb->tail bits?
>
> That is very problematic.
What's the problem?
If it isn't allowed to do, then what is the meaning of PCI_DMA_BIDIRECTIONAL
mappings?
Andrey
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