Messages in this thread | | | Date | Tue, 12 Mar 2024 22:28:44 +0100 | From | Christoph Hellwig <> | Subject | Re: [RFC RESEND 00/16] Split IOMMU DMA mapping operation to two steps |
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On Sun, Mar 10, 2024 at 11:35:13AM +0200, Leon Romanovsky wrote: > And you will need to have a way to instruct that pin_user_pages() variant > to continue anyway, because you asked for FOLL_PCI_P2PDMA. Without that > force, you will have !FOLL_PCI_P2PDMA behaviour.
I don't understand what you mean.
> When you say "simplify the overall interface", which interface do you mean?
Primarily the dma mapping interface. Secondarily also everything around it.
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