Re: [PATCH v6 9/9] vfio/pci: Permanently revoke a DMABUF on request

[Leon Romanovsky]

On Tue, Sep 22, 2026 at 09:41:37AM -0300, Jason Gunthorpe wrote:
> On Mon, Sep 21, 2026 at 04:09:18PM +0200, Christian König wrote:
> > >> I would avoid that and just re-create the DMA-buf fd from
> > >> scratch. The extra overhead is negligible and one way state
> > >> transmissions are usually much easier to handle.
> > > 
> > > Yeah, maybe we should have done that. Might be too late now.
> > 
> > It's already uAPI? 
> 
> Yeah, but Matt is making some changes here so maybe new stuff can
> avoid this. I'm not sure.

Jason, the proposed semantics is not UAPI yet.

Matt only added the new struct in this patch.
https://lore.kernel.org/all/20260911214200.33793-10-matt@xxxxxxxxxx/#Z31include:uapi:linux:vfio.h

Thanks

> 
> Jason