> From: Nicolin Chen <nicolinc@xxxxxxxxxx> > Sent: Saturday, February 25, 2023 9:52 AM > > A driver that doesn't implement ops->dma_unmap shouldn't be allowed to > do > vfio_pin/unpin_pages(), though it can use vfio_dma_rw() to access an iova > range. Deny !ops->dma_unmap cases in vfio_pin/unpin_pages(). > > Suggested-by: Kevin Tian <kevin.tian@xxxxxxxxx> > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
