On 08/01/2017 12:55 AM, Michael Ellerman wrote: > Jens Axboe <axboe@xxxxxxxxx> writes: > ... >> >> Can you try the below fix? Should be more palatable than the previous >> one. Brian, maybe you can take a look at the IRQ issue mentioned above? > > Given the patch from Brian fixed the lockdep warning, do you still want > me to try and test this one? Nope, we don't have to do that. I'd much rather just add a WARN_ON() or similar to make sure we catch buggy users earlier. scsi_run_queue() needs a WARN_ON(in_interrupt()); but it might be better to put that in __blk_mq_run_hw_queue(). -- Jens Axboe