Hi Alex,
On 2019/5/20 17:39, Alexander Shishkin wrote:
> Shaokun Zhang <zhangshao...@hisilicon.com> writes:
>
>> drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_alloc’:
>> drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable ‘i’
>> [-Wunused-variable]
>> int ret = -ENOMEM, i;
>> ^
>> drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_free’:
>> drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable ‘i’
>> [-Wunused-variable]
>> int i;
>> ^
>> Fix this compiler warning on arm64 platform.
>
> Thank you for taking care of this.
>
>> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
>> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
>> Signed-off-by: Shaokun Zhang <zhangshao...@hisilicon.com>
>> ---
>> drivers/hwtracing/intel_th/msu.c | 7 ++++++-
>> 1 file changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/hwtracing/intel_th/msu.c
>> b/drivers/hwtracing/intel_th/msu.c
>> index 81bb54fa3ce8..833a5a8f13ad 100644
>> --- a/drivers/hwtracing/intel_th/msu.c
>> +++ b/drivers/hwtracing/intel_th/msu.c
>> @@ -780,7 +780,10 @@ static int __msc_buffer_win_alloc(struct msc_window
>> *win,
>> static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks)
>> {
>> struct msc_window *win;
>> - int ret = -ENOMEM, i;
>> + int ret = -ENOMEM;
>> +#ifdef CONFIG_X86
>> + int i;
>> +#endif
>
> Can you factor it out into its own function? And one for the other
> memory type? So we can maybe keep it to just one #ifdef like
>
Got it, I will update it in next version soon.
Thanks,
Shaokun
> #ifdef CONFIG_X86
> void msc_buffer_set_uc()
> { ... }
> void msc_buffer_set_wb()
> { ... }
> #else /* !X86 */
> static void msc_buffer_set_uc() {}
> static void msc_buffer_set_wb() {}
> #endif
>
> Thanks,
> --
> Alex
>
> .
>
