linux-kernel - Re: [PATCH -next] riscv: perf_event: Make some funciton static

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Date:   Mon, 11 May 2020 09:30:36 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Palmer Dabbelt <palmer@...belt.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 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 ; )

and we also found some another build issue when add RISCV arch to huawei 
build robot,

will send out the patches later.


>
> 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>
>
> .
>