On Wed, Feb 01, 2017 at 12:15:01PM -0800, Sodagudi Prasad wrote: > we would like to understand why irq_work_run() is getting called from > armv8pmu_handle_irq() irq handler for arm SoC. > > Is this irq_work frame work designed to run works from ARMPMU irq handlers? > If there are no of drivers using the IRQ WORK frame work, we may see that > ARMPMU irq handler taking long time, right?
The perf_event_overflow callback can schedule IRQ work to e.g. disable the PMU and want to make sure this runs before we EOI the PMU IRQ. Will
