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-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c9
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c2
2 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 1297bf15cb88..ee05c90012d2 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -713,6 +713,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
713 struct cpu_hw_events *cpuc; 713 struct cpu_hw_events *cpuc;
714 int bit, loops; 714 int bit, loops;
715 u64 status; 715 u64 status;
716 int handled = 0;
716 717
717 perf_sample_data_init(&data, 0); 718 perf_sample_data_init(&data, 0);
718 719
@@ -743,12 +744,16 @@ again:
743 /* 744 /*
744 * PEBS overflow sets bit 62 in the global status register 745 * PEBS overflow sets bit 62 in the global status register
745 */ 746 */
746 if (__test_and_clear_bit(62, (unsigned long *)&status)) 747 if (__test_and_clear_bit(62, (unsigned long *)&status)) {
748 handled++;
747 x86_pmu.drain_pebs(regs); 749 x86_pmu.drain_pebs(regs);
750 }
748 751
749 for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) { 752 for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
750 struct perf_event *event = cpuc->events[bit]; 753 struct perf_event *event = cpuc->events[bit];
751 754
755 handled++;
756
752 if (!test_bit(bit, cpuc->active_mask)) 757 if (!test_bit(bit, cpuc->active_mask))
753 continue; 758 continue;
754 759
@@ -770,7 +775,7 @@ again:
770 775
771done: 776done:
772 intel_pmu_enable_all(0); 777 intel_pmu_enable_all(0);
773 return 1; 778 return handled;
774} 779}
775 780
776static struct event_constraint * 781static struct event_constraint *
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 7e578e9cc58b..b560db3305be 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -692,7 +692,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
692 inc_irq_stat(apic_perf_irqs); 692 inc_irq_stat(apic_perf_irqs);
693 } 693 }
694 694
695 return handled > 0; 695 return handled;
696} 696}
697 697
698/* 698/*