Re: [PATCH] scripts: add macro_checker script to check unused parameters in macros

From: Julian Sun
Date: Wed Jul 24 2024 - 22:31:23 EST


Hi,

I noticed that you have already merged this patch into the
mm-nonmm-unstable branch. If I want to continue refining this script,
should I send a new v2 version or make modifications based on the
current version?

Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> 于2024年7月23日周二 18:09写道:
>
> On Tue, 23 Jul 2024 05:11:54 -0400 Julian Sun <sunjunchao2870@xxxxxxxxx> wrote:
>
> > Hi,
> >
> > Recently, I saw a patch[1] on the ext4 mailing list regarding
> > the correction of a macro definition error. Jan mentioned
> > that "The bug in the macro is a really nasty trap...".
> > Because existing compilers are unable to detect
> > unused parameters in macro definitions. This inspired me
> > to write a script to check for unused parameters in
> > macro definitions and to run it.
>
> Seems a useful contribution thanks. And a nice changelog!
>
> > scripts/macro_checker.py | 101 +++++++++++++++++++++++++++++++++++++++
>
> Makes me wonder who will run this, and why. Perhaps a few people will
> run ls and wonder "hey, what's that". But many people who might have
> been interested in running this simply won't know about it.
>
> "make help | grep check" shows we have a few ad-hoc integrations but I
> wonder if we would benefit from a top-level `make static-checks'
> target?


Thanks,
--
Julian Sun <sunjunchao2870@xxxxxxxxx>