- stepping on del button while browsing though CCs. On 2019-04-04 09:47:27 [-0600], Tycho Andersen wrote: > > Hmm. do_exit() isn't really meant to be "try your best to leave the > > system somewhat usable without returning" -- it's a function that, > > other than in OOPSes, is called from a well-defined state. So I think > > rewind_stack_do_exit() is probably a better spot. But we need to > > rewind the stack and *then* turn on IRQs, since we otherwise risk > > exploding quite badly. > > Ok, sounds good. I guess we can include something like this patch in > the next series.
The tracing infrastructure probably doesn't know that the interrupts are back on. Also if you were holding a spin lock then your preempt count isn't 0 which means that might_sleep() will trigger a splat (in your backtrace it was zero). > Thanks, > > Tycho Sebastian _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
