Re: [PATCH v5 7/8] cxl/edac: Add CXL memory device memory sparing control feature

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On 5/19/25 2:01 PM, Alison Schofield wrote:
> On Thu, May 15, 2025 at 12:59:23PM +0100, shiju.jose@xxxxxxxxxx wrote:
>> From: Shiju Jose <shiju.jose@xxxxxxxxxx>
>>
> 
> snip
> 
>> diff --git a/drivers/cxl/core/edac.c b/drivers/cxl/core/edac.c
>> index 489c9996bfbc..395d56457931 100644
>> --- a/drivers/cxl/core/edac.c
>> +++ b/drivers/cxl/core/edac.c
>> @@ -21,7 +21,17 @@
>>  #include "core.h"
>>  #include "trace.h"
>>  
>> -#define CXL_NR_EDAC_DEV_FEATURES 2
>> +#define CXL_NR_EDAC_DEV_FEATURES 6
>> +
>> +static bool cxl_is_memdev_memory_online(const struct cxl_memdev *cxlmd)
>> +{
>> +	struct cxl_port *port = cxlmd->endpoint;
>> +
>> +	if (port && cxl_num_decoders_committed(port))
>> +		return true;
>> +
>> +	return false;
>> +}
>>  
> 
> Looks like above fcn needs to be inside the below #ifdef.
> Smatch is warning this when EDAC_SCRUB is off
> 
> drivers/cxl/core/edac.c:27:13: warning: ‘cxl_is_memdev_memory_online’ defined but not used [-Wunused-function]
>    27 | static bool cxl_is_memdev_memory_online(const struct cxl_memdev *cxlmd)
> 
> 
>>  #ifdef CONFIG_CXL_EDAC_SCRUB

I think the function can be moved to above cxl_mem_perform_sparing() as that is the only function that calls it. I'll do that when I apply if there's nothing else major need to be changed.

DJ


> 
> snip to end.
> 





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