[RFC PATCH 1/9] kernel.h: add do_empty() macro

[Randy Dunlap]

On 4/18/20 11:44 AM, Joe Perches wrote:
> On Sat, 2020-04-18 at 11:41 -0700, Randy Dunlap wrote:
>> Add the do_empty() macro to silence gcc warnings about an empty body
>> following an "if" statement when -Wextra is used.
>>
>> However, for debug printk calls that are being disabled, use either
>> no_printk() or pr_debug() [and optionally dynamic printk debugging]
>> instead.
> []
>> +#define do_empty()		do { } while (0)
> 
> If this is really useful
> (I think the warning is somewhat silly)
> 
> bikeshed:
> 
> I think do_nothing() is more descriptive

Yes, I do too, as I more or less mentioned in the cover letter.

-- 
~Randy