Re: [PATCH v2 09/14] platform/x86/intel/ifs: Use generic microcode headers and functions

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On 11/11/2022 8:23 AM, Borislav Petkov wrote:
> On Mon, Nov 07, 2022 at 02:53:18PM -0800, Jithu Joseph wrote:
>>  static int scan_chunks_sanity_check(struct device *dev)
>>  {
>> -	int metadata_size, curr_pkg, cpu, ret = -ENOMEM;
>>  	struct ifs_data *ifsd = ifs_get_data(dev);
>> +	int curr_pkg, cpu, ret = -ENOMEM;
>>  	bool *package_authenticated;
>>  	struct ifs_work local_work;
>> -	char *test_ptr;
>>  
>>  	package_authenticated = kcalloc(topology_max_packages(), sizeof(bool), GFP_KERNEL);
>>  	if (!package_authenticated)
>>  		return ret;
> 
> Bah, how big is that thing so that you can't simply do a bitfield on the
> stack here instead of kcalloc-ing?

Will modify it to use individual bits from a u32 to store package authentication status.

> 
>> @@ -203,67 +174,33 @@ static int scan_chunks_sanity_check(struct device *dev)
>>  	return ret;
>>  }
>>  
>> -static int ifs_sanity_check(struct device *dev,
>> -			    const struct microcode_header_intel *mc_header)
>> +static int ifs_image_sanity_check(struct device *dev, const struct microcode_header_intel *data)
> 
> Yet another static function - no need for the ifs_ prefix.

Noted ... will change


Jithu



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