Re: GFP_DMA not good enough for problem hardware

Giuliano Procida (myxie@debian.org)
Mon, 18 Oct 1999 11:53:55 +0100

On Mon, Oct 18, 1999 at 02:52:42AM -0700, David S. Miller wrote:
> They all use GFP_DMA and assume this means that the PCI bus mastering
> address used for such a physical page will also be below 16MB, much of
> drivers/sound has portability quirks like this.

So they do not work on alpha either (including an Avanti with ISA
slots where I get addresses like 0x40abcdef with GFP_DMA). Hmmm.

Is there a general workaround that will work on most platforms, can I
page remap in some way?

Giuliano.

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