Re: [PATCH v2 13/14] PCI/P2PDMA: No longer require no-mmu for host bridge whitelist

Christoph Hellwig
2019-08-08T07:29:55Z

On Wed, Aug 07, 2019 at 07:43:01AM -0500, Bjorn Helgaas wrote:
> On Wed, Aug 07, 2019 at 07:59:58AM +0200, Christoph Hellwig wrote:
> > no-mmu sounds stange, as we use that for linux ports without paging
> > hardware. I think an "io" got lost somewhere..
>
> I had already changed the subject to
>
> PCI/P2PDMA: Allow IOMMU for host bridge whitelist
>
> but certainly open to better suggestions.

Maybe:

PCI/P2PDMA: Allow P2P transfers behind IOMMUs

?