On 08-12-21, 10:01, Dave Jiang wrote: > Ming reported that with the abort path of the descriptor submission, there > can be a window where a completed descriptor can be missed to be completed > by the irq completion thread: > > CPU A CPU B > Submit (successful) > > Submit (fail) > irq_process_work_list() // empty > > llist_abort_desc() > // remove all descs from pending list > > irq_process_pending_llist() // empty > exit idxd_wq_thread() with no processing > > Add opportunistic descriptor completion in the abort path in order to > remove the missed completion. Applied, thanks -- ~Vinod
