On Mon, Nov 03, 2025 at 12:07:12PM -0800, Alex Mastro wrote:

On Sun, Nov 02, 2025 at 10:00:48AM +0200, Leon Romanovsky wrote:

...

Changelog: v6:

• Fixed wrong error check from pcim_p2pdma_init().
• Documented pcim_p2pdma_provider() function.
• Improved commit messages.
• Added VFIO DMA-BUF selftest.
• Added __counted_by(nr_ranges) annotation to struct vfio_device_feature_dma_buf.
• Fixed error unwind when dma_buf_fd() fails.
• Document latest changes to p2pmem.
• Removed EXPORT_SYMBOL_GPL from pci_p2pdma_map_type.
• Moved DMA mapping logic to DMA-BUF.
• Removed types patch to avoid dependencies between subsystems.
• Moved vfio_pci_dma_buf_move() in err_undo block.
• Added nvgrace patch.

Thanks Leon. Attaching a toy program which sanity tests the dma-buf export UAPI by feeding the allocated dma-buf into an dma-buf importer (libibverbs + CX-7). Tested-by: Alex Mastro amastro@fb.com

Thanks a lot.