On Thu, 25 Aug 2016 12:00:02 +0530 Madhavan Srinivasan <ma...@linux.vnet.ibm.com> wrote:
> Code to replay the Performance Monitoring Interrupts(PMI). > In the masked_interrupt handler, for PMIs we reset the MSR[EE] > and return. In the __check_irq_replay(), replay the PMI interrupt > by calling performance_monitor_common handler. > > Patch also adds a new soft_irq_set_mask() to update paca->soft_enabled. > New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add a warn_on > to alert the usage of soft_irq_set_mask() for disabling lower > bitmask interrupts. > > Have also moved the code under the CONFIG_TRACE_IRQFLAGS in > arch_local_irq_restore() to new Kconfig as suggested. Should you make a single patch out of this and patch 10? It doesn't make sense to mask perf interrupts if we can't replay them. Perhaps split the CONFIG_IRQ_DEBUG_SUPPORT change into its own patch first and have the PMU masking and replaying as a single patch? Just a suggestion.
