Re: [PATCH v2 4/4] vfio: Add pinned interface to perform revoke semantics

From: Jason Gunthorpe

Date: Mon Jan 19 2026 - 12:03:35 EST


On Mon, Jan 19, 2026 at 03:02:44PM +0200, Leon Romanovsky wrote:

> We (VFIO and IOMMUFD) followed the same pattern used in
> amdgpu_bo_move_notify(), which also does not wait.

You have to be really careful copying anything from the GPU drivers as
they have these waits hidden and batched in other parts of their
operations..

Jason