[Linux-kernel-mentees] Addition of verbose mode to checkpatch

[Dwaipayan Ray <dwaipayanray1@gmail.com>]

Hi Lukas and all,
Recently while going through the warnings emitted by checkpatch,
the necessity of a verbose mode came up once again. Joe had
already suggested that a verbose mode would probably be worked
on.

As for how that could be done, that leaves us at a couple of options.
Since writing verbose messages for all warnings aren't possible at once,
there can be an optional extension when emitting messages:

Currently, a warning can be emitted by
WARN("TYPE", "Message")
which could be converted to say:
WARN('TYPE", "Message", "Verbose")

Another way is to leave the original warning emitting syntax intact
and instead go for a dictionary for verbose messages:
our %dict = (
"TYPE1" => "Verbose",
"TYPE2" => "Verbose"
...);

Although this leaves us the ability to customize the verbose output
for each warning of a particular type.

Which do you think would be best? Certainly more options might be
possible, so any new inputs will be nice as well!

Thank you,
Dwaipayan.
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