[Linaro-mm-sig] Re: [PATCH 05/10] PCI/P2PDMA: Export pci_p2pdma_map_type() function

On Thu, Jul 24, 2025 at 10:03:13AM +0200, Christoph Hellwig wrote:

On Wed, Jul 23, 2025 at 04:00:06PM +0300, Leon Romanovsky wrote:

...

From: Leon Romanovsky leonro@nvidia.com

Export the pci_p2pdma_map_type() function to allow external modules and subsystems to determine the appropriate mapping type for P2PDMA transfers between a provider and target device.

External modules have no business doing this.

VFIO PCI code is built as module. There is no way to access PCI p2p code without exporting functions in it.

Thanks