Re: [PATCH v3 09/14] PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()

[Christoph Hellwig]

On Mon, Aug 12, 2019 at 11:30:43AM -0600, Logan Gunthorpe wrote:
> Add pci_p2pdma_unmap_sg() to the two places that call pci_p2pdma_map_sg().
> 
> This is a prep patch to introduce correct mappings for p2pdma transactions
> that go through the root complex.

I personally wouldn't split it from actually adding useful functionality,
but that aside this looks ok:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>