Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[net-next-2.6.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 45d6a35217c1846f570f72684f4b8fbfe352c2b9..ad19c276b10fa1b5d7f82a8f5c2169560d9ebdd0 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -342,8 +342,8 @@ validate_event(struct cpu_hw_events *cpuc,
 {
        struct hw_perf_event fake_event = event->hw;
 
-       if (event->pmu && event->pmu != &pmu)
-               return 0;
+       if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF)
+               return 1;
 
        return armpmu->get_event_idx(cpuc, &fake_event) >= 0;
 }
@@ -1082,8 +1082,8 @@ armv6pmu_handle_irq(int irq_num,
        /*
         * Handle the pending perf events.
         *
-        * Note: this call *must* be run with interrupts enabled. For
-        * platforms that can have the PMU interrupts raised as a PMI, this
+        * Note: this call *must* be run with interrupts disabled. For
+        * platforms that can have the PMU interrupts raised as an NMI, this
         * will not work.
         */
        perf_event_do_pending();
@@ -2058,8 +2058,8 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
        /*
         * Handle the pending perf events.
         *
-        * Note: this call *must* be run with interrupts enabled. For
-        * platforms that can have the PMU interrupts raised as a PMI, this
+        * Note: this call *must* be run with interrupts disabled. For
+        * platforms that can have the PMU interrupts raised as an NMI, this
         * will not work.
         */
        perf_event_do_pending();