On 05/17/2018 09:20 AM, Greg KH wrote:
>> +    file_data = kzalloc(sizeof(*file_data), GFP_KERNEL);
>> +    if (!file_data)
>> +            return -ENOMEM;
>> +
>> +    pr_debug("%s - called\n", __func__);
> Please do not add "tracing" functions like this.  The kernel has a
> wonderful built-in function tracing functionality, don't try to write
> your own.  These lines should just be removed.

but pr_debug() works great with DYNAMIC_DEBUG.

Someone does not need to go all the way to tracing to get decent
debug capability.

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