linux-kernel - Re: checkpatch.pl should suggest _

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Date:   Fri, 09 Aug 2019 16:17:51 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: checkpatch.pl should suggest __section

On Fri, 2019-08-09 at 16:04 -0700, Nick Desaulniers wrote:
> > how about:
> > ---
> >  scripts/checkpatch.pl | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> > index 1cdacb4fd207..8e6693ca772c 100755
> > --- a/scripts/checkpatch.pl
> > +++ b/scripts/checkpatch.pl
> > @@ -5901,6 +5901,15 @@ sub process {
> >                              "__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr);
> >                 }
> > 
> > +# Check for __attribute__ section, prefer __section (without quotes)
> > +               if ($realfile !~ m@\binclude/uapi/@ &&
> > +                   $line =~ /\b__attribute__\s*\(\s*\(.*_*section_*\s*\(\s*("[^"]*")/) {
> > +                       my $old = substr($rawline, $-[1], $+[1] - $-[1]);
> > +                       my $new = substr($old, 1, -1);
> > +                       WARN("PREFER_SECTION",
> > +                            "__section($new) is preferred over __attribute__((section($old)))\n" . $herecurr);
> > +               }
> > +
> 
> I can't read Perl, but this looks pretty good.
> Acked-by: Nick Desaulniers <ndesaulniers@...gle.com>

I'll add a Suggested-by: for you.

But a Tested-by would be more valuable than an Acked-by if you
don't actually know how it works.