On Mon, Jan 12, 2026 at 10:14:40AM -0400, Jason Gunthorpe wrote: > On Mon, Jan 12, 2026 at 01:57:25PM +0100, Christian König wrote: > > Clear NAK to that plan. This is not something DMA-buf should need to > > deal with and as far as I can see is incompatible with the UAPI. > > We had this discussion with Simona and you a while back and there was > a pretty clear direction we needed to add a revoke to sit inbetween > pin and move. I think Leon has no quite got the "dmabuf lingo" down > right to explain this. > > https://lore.kernel.org/dri-devel/[email protected]/
<...> > It is not intended to be UAPI changing, and Leon is not trying to say > that importers have to drop their attachment. The attachment just > becomes permanently non-present. Leon also ensures that no UAPI semantic changes are introduced here; the existing interface is simply extended. Thanks > > Jason
