On Thu, Apr 18, 2013 at 11:59:58AM -0500, Suthikulpanit, Suravee wrote: > One last concern I have for this patch is the case when we re-enable > the interrupt, then another interrupt happens while we processing > the log and set the bit. If the interrupt thread doesn't check this > right before the thread exits the handler. We could still end up > leaving the interrupt disabled.
That can't happen, the patch checks whether the bit is really 0 and then it processes the event/ppr-log entries. If any new entry is queued while we process the logs another interrupt will be fired and the irq-thread will run again. So we will not miss any log entry. Joerg _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu