On 05.01.2024 17:35, Jeffrey Hugo wrote: > On 1/5/2024 4:22 AM, Jacek Lawrynowicz wrote: >> Limit number of iterations in ivpu_mmu_irq_evtq_handler() and >> ivpu_ipc_irq_handler(). > > "potential infinite loops" sounds like something that has not been observed. Has a problem actually occurred? > > Are you concerned that the FW is broken and spamming Linux with events? > > Why a limit of 100 events? Seems arbitrary. > > I suspect threaded irqs might be useful here, but it is hard to tell. No, these problems were not observed yet. I think that the small size of the IPC/MMU queues and relatively fast host CPU prevent the host from being overloaded. Maybe let's drop this patch until there is a real issue then :)