AMD General Hi Christian,
> -----Original Message----- > From: Koenig, Christian <[email protected]> > Sent: Tuesday, June 16, 2026 2:32 PM > To: SHANMUGAM, SRINIVASAN <[email protected]>; > Deucher, Alexander <[email protected]> > Cc: [email protected] > Subject: Re: [PATCH 3/5] drm/amdgpu: Signal SCRATCH EVENTFD notifications > > On 6/12/26 07:52, Srinivasan Shanmugam wrote: > > Signal SCRATCH EVENTFD subscriptions when user queue restore detects > > missing VA mappings. > > I think the scratch event is meant for something else. > > When a core VA to run the queues is missing (WPTR, RPTR, ring buffer etc...) > we > have a hard and unrecoverable error for this queue. > > But scratch handling is a different interface as far as I know. If a queue cannot be restored because its VA mappings are missing, what notification would you expect userspace to receive? Is SCRATCH appropriate here, or should we handle it differently? Thanks, Srini > > Regards, > Christian. >
