Re: [PATCH i-g-t 4/5] gem_syslatency: Avoid arithmetic on void * warning

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 08/11/2017 12:28, Petri Latvala wrote:
> On Wed, Nov 08, 2017 at 12:06:53PM +0000, Tvrtko Ursulin wrote:
>> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>>
>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> 
> Chris wanted to disable the warning here instead. Either way is fine
> with me so
> 
> Reviewed-by: Petri Latvala <petri.latvala@intel.com>

Thanks, I did not want to go into discussion of changing the build 
environment for the entire project. Or even just this file, while just 
getting rid build warnings.

Regards,

Tvrtko


> 
> 
>> ---
>>   benchmarks/gem_syslatency.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/benchmarks/gem_syslatency.c b/benchmarks/gem_syslatency.c
>> index e2b1f74a43f4..580edc5f5c72 100644
>> --- a/benchmarks/gem_syslatency.c
>> +++ b/benchmarks/gem_syslatency.c
>> @@ -206,7 +206,7 @@ static void *sys_thp_alloc(void *arg)
>>   		assert(ptr != MAP_FAILED);
>>   		madvise(ptr, sz, MADV_HUGEPAGE);
>>   		for (size_t page = 0; page < sz; page += PAGE_SIZE)
>> -			*(volatile uint32_t *)(ptr + page) = 0;
>> +			*(volatile uint32_t *)((unsigned char *)ptr + page) = 0;
>>   		munmap(ptr, sz);
>>   
>>   		clock_gettime(CLOCK_MONOTONIC, &now);
>> -- 
>> 2.14.1
>>
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