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Date:   Mon, 11 May 2020 14:07:02 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     wangkefeng.wang@...wei.com
CC:     Paul Walmsley <paul.walmsley@...ive.com>,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        alankao@...estech.com
Subject:     Re: [PATCH -next] riscv: perf_event: Make some funciton static

On Sun, 10 May 2020 18:30:36 PDT (-0700), wangkefeng.wang@...wei.com wrote:
>
> On 2020/5/9 1:13, Palmer Dabbelt wrote:
>> What's the "-next" for?  This seems appropriate for an RC to me, as
>> it's a
>> build fix.
>
> Thanks for your review, this patch and "[PATCH -next] riscv: perf:
> RISCV_BASE_PMU
>
> should be closeable", I fix the issue based on linux-next, so add the
> next prefix ; )

OK, makes sense.  I've put it on fixes.

>
> and we also found some another build issue when add RISCV arch to huawei
> build robot,
>
> will send out the patches later.

Thanks!

>>
>> On Thu, 07 May 2020 08:04:44 PDT (-0700), wangkefeng.wang@...wei.com
>> wrote:
>>> Fixes the following warning detected when running make with W=1,
>>> ../arch/riscv/kernel/perf_event.c:150:5: warning: no previous
>>> prototype for ‘riscv_map_cache_decode’ [-Wmissing-prototypes]
>>>  int riscv_map_cache_decode(u64 config, unsigned int *type,
>>>      ^~~~~~~~~~~~~~~~~~~~~~
>>> ../arch/riscv/kernel/perf_event.c:345:13: warning: no previous
>>> prototype for ‘riscv_base_pmu_handle_irq’ [-Wmissing-prototypes]
>>>  irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
>>>              ^~~~~~~~~~~~~~~~~~~~~~~~~
>>> ../arch/riscv/kernel/perf_event.c:364:6: warning: no previous
>>> prototype for ‘release_pmc_hardware’ [-Wmissing-prototypes]
>>>  void release_pmc_hardware(void)
>>>       ^~~~~~~~~~~~~~~~~~~~
>>> ../arch/riscv/kernel/perf_event.c:467:12: warning: no previous
>>> prototype for ‘init_hw_perf_events’ [-Wmissing-prototypes]
>>>  int __init init_hw_perf_events(void)
>>>             ^~~~~~~~~~~~~~~~~~~
>>>
>>> Cc: Alan Kao <alankao@...estech.com>
>>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
>>> ---
>>>  arch/riscv/kernel/perf_event.c | 8 ++++----
>>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/arch/riscv/kernel/perf_event.c
>>> b/arch/riscv/kernel/perf_event.c
>>> index 91626d9ae5f2..c835f0362d94 100644
>>> --- a/arch/riscv/kernel/perf_event.c
>>> +++ b/arch/riscv/kernel/perf_event.c
>>> @@ -147,7 +147,7 @@ static int riscv_map_hw_event(u64 config)
>>>      return riscv_pmu->hw_events[config];
>>>  }
>>>
>>> -int riscv_map_cache_decode(u64 config, unsigned int *type,
>>> +static int riscv_map_cache_decode(u64 config, unsigned int *type,
>>>                 unsigned int *op, unsigned int *result)
>>>  {
>>>      return -ENOENT;
>>> @@ -342,7 +342,7 @@ static void riscv_pmu_del(struct perf_event
>>> *event, int flags)
>>>
>>>  static DEFINE_MUTEX(pmc_reserve_mutex);
>>>
>>> -irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
>>> +static irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
>>>  {
>>>      return IRQ_NONE;
>>>  }
>>> @@ -361,7 +361,7 @@ static int reserve_pmc_hardware(void)
>>>      return err;
>>>  }
>>>
>>> -void release_pmc_hardware(void)
>>> +static void release_pmc_hardware(void)
>>>  {
>>>      mutex_lock(&pmc_reserve_mutex);
>>>      if (riscv_pmu->irq >= 0)
>>> @@ -464,7 +464,7 @@ static const struct of_device_id
>>> riscv_pmu_of_ids[] = {
>>>      { /* sentinel value */ }
>>>  };
>>>
>>> -int __init init_hw_perf_events(void)
>>> +static int __init init_hw_perf_events(void)
>>>  {
>>>      struct device_node *node = of_find_node_by_type(NULL, "pmu");
>>>      const struct of_device_id *of_id;
>>
>> Reviewed-by: Palmer Dabbelt <palmerdabbelt@...gle.com>
>>
>> .
>>

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