[PATCH 2/2] arm64: perf: add support for percpu pmu interrupt
vkale at apm.com
Mon Nov 11 04:30:24 EST 2013
On Fri, Nov 8, 2013 at 9:27 PM, Will Deacon <will.deacon at arm.com> wrote:
> On Wed, Nov 06, 2013 at 12:07:37PM +0000, Vinayak Kale wrote:
>> Add support for irq registration when pmu interrupt is percpu.
>> Signed-off-by: Vinayak Kale <vkale at apm.com>
>> Signed-off-by: Tuan Phan <tphan at apm.com>
>> arch/arm64/kernel/perf_event.c | 109 +++++++++++++++++++++++++++++-----------
>> 1 file changed, 81 insertions(+), 28 deletions(-)
>> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
>> index cea1594..e60dae3 100644
>> --- a/arch/arm64/kernel/perf_event.c
>> +++ b/arch/arm64/kernel/perf_event.c
>> @@ -44,6 +44,7 @@
>> static DEFINE_PER_CPU(struct perf_event * [ARMPMU_MAX_HWEVENTS], hw_events);
>> static DEFINE_PER_CPU(unsigned long [BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)], used_mask);
>> static DEFINE_PER_CPU(struct pmu_hw_events, cpu_hw_events);
>> +static bool is_percpuirq;
> This isn't a global property; it should be part of the struct arm_pmu.
> The rest of the patch looks ok, but obvious requires you to merge the core
> changes first.
Okay. I will incorporate above change in next revision once the core
changes are agreed upon.
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