26 Jul
2023
26 Jul
'23
5:38 p.m.
On Wed, Jul 26, 2023 at 11:33:49AM -0600, Alex Williamson wrote:
On Mon, 24 Jul 2023 12:47:04 -0700 Nicolin Chen nicolinc@nvidia.com wrote:
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@intel.com Reviewed-by: Kevin Tian kevin.tian@intel.com Reviewed-by: Yi Liu yi.l.liu@intel.com Reviewed-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Nicolin Chen nicolinc@nvidia.com
drivers/vfio/vfio_main.c | 4 ++++ 1 file changed, 4 insertions(+)
I assume these go through iommufd.
Yep, I think it is next up, thanks
Jason