Re: Specifying properly the PCI driver model on all linux archite ctur es, (ioremap(), bus_to_virt()

Matti Aarnio (matti.aarnio@sonera.fi)
Thu, 4 Nov 1999 00:39:40 +0200


On Wed, Nov 03, 1999 at 10:31:03PM +0100, Martin Mares wrote:
> Hello!
> > Correction: Linux can't do this.
> No, it's physically impossible unless you have an IOMMU.

And while "IOMMU" term is introduced by Sun, equivalent things exist
in all Alpha CPU/PCI interface chipsets.

> Anyway, David Miller is working on a set of functions providing a generic
> way to handle PCI-to-PCI DMA on all architectures.
> Have a nice fortnight
> --
> Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/

/Matti Aarnio <matti.aarnio@sonera.fi>

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