Hi Joe,

On 11/08/2015 01:51 PM, Joe Perches wrote:
> On Sun, 2015-11-08 at 13:01 -0500, Peter Hurley wrote:
>> Incorporate suggestions for tty core debug macro improvements
>>  - printk(KERN_DEBUG) => pr_debug()
>>  - ##args => ##__VA_ARGS__
>>  - remove do {} while()
>>  - output tty_name() first
> []
>> diff --git a/include/linux/tty.h b/include/linux/tty.h
> []
>> @@ -667,10 +667,7 @@ static inline void proc_tty_register_driver(struct 
>> tty_driver *d) {}
>>  static inline void proc_tty_unregister_driver(struct tty_driver *d) {}
>>  #endif
>>  
>> -#define tty_debug(tty, f, args...)                                  \
>> -    do {                                                            \
>> -            printk(KERN_DEBUG "%s: %s: " f, __func__,               \
>> -                   tty_name(tty), ##args);                          \
>> -    } while (0)
>> +#define tty_debug(tty, f, ...) \
>> +    pr_debug("%s: %s: " f, tty_name(tty), __func__, ##__VA_ARGS__)
>>  
>>  #endif
> 
> Unless there's a #define DEBUG in the path, this now
> basically requires dynamic debugging to output anything.

It's what Greg wanted.

> Given that, I suggest removing __func__ from the output
> because dynamic debugging can add it.

Done in a follow-on patch in the series because the messages needed
some (minor) context if the function name is not output.

> And f is more commonly fmt, so:

I have a terse style :)

Regards,
Peter Hurley

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to