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authorDavid S. Miller <davem@davemloft.net>2010-10-06 19:39:31 -0700
committerDavid S. Miller <davem@davemloft.net>2010-10-06 19:39:31 -0700
commit69259abb64d4da77273bf59accfc9fa79e7165f4 (patch)
treebd043ab03a788b749c8d5ae4049d8defae9abf34 /arch/x86/kernel/cpu/perf_event_p4.c
parentdd53df265b1ee7a1fbbc76bb62c3bec2383bbd44 (diff)
parent12e94471b2be5ef9b55b10004a3a2cd819490036 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/pcmcia/pcnet_cs.c net/caif/caif_socket.c
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_p4.c')
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 7e578e9cc58b..249015173992 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -660,8 +660,12 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
int overflow;
- if (!test_bit(idx, cpuc->active_mask))
+ if (!test_bit(idx, cpuc->active_mask)) {
+ /* catch in-flight IRQs */
+ if (__test_and_clear_bit(idx, cpuc->running))
+ handled++;
continue;
+ }
event = cpuc->events[idx];
hwc = &event->hw;
@@ -692,7 +696,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
inc_irq_stat(apic_perf_irqs);
}
- return handled > 0;
+ return handled;
}
/*