Re: [PATCH 2/2] arm64: perf: add support for percpu pmu interrupt

[Vinayak Kale]

On Fri, Nov 8, 2013 at 9:27 PM, Will Deacon <will.deacon@xxxxxxx> 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@xxxxxxx>
>> Signed-off-by: Tuan Phan <tphan@xxxxxxx>
>> ---
>>  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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