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SubjectRe: [Cocci] coccinelle: Convert comma to semicolons (was Re: [PATCH] checkpatch: Add test for comma use that should be semicolon)
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On Thu, 2020-09-24 at 23:53 +0200, Thomas Gleixner wrote:
> On Thu, Sep 24 2020 at 13:33, Joe Perches wrote:
> > On Thu, 2020-09-24 at 22:19 +0200, Thomas Gleixner wrote:
> > > On Sat, Aug 22 2020 at 09:07, Julia Lawall wrote:
> > > > On Fri, 21 Aug 2020, Joe Perches wrote:
> > > > > True enough for a general statement, though the coccinelle
> > > > > script Julia provided does not change a single instance of
> > > > > for loop expressions with commas.
> > > > >
> > > > > As far as I can tell, no logic defect is introduced by the
> > > > > script at all.
> > > >
> > > > The script has a rule to ensure that what is changed is part of a top
> > > > level statement that has the form e1, e2;. I put that in to avoid
> > > > transforming cases where the comma is the body of a macro, but it protects
> > > > against for loop headers as well.
> > >
> > > Right. I went through the lot and did not find something dodgy. Except
> > > for two hunks this still applies. Can someone please send a proper patch
> > > with changelog/SOB etc. for this?
> >
> > Treewide?
> >
> > Somebody no doubt would complain, but there
> > _really should_ be some mechanism for these
> > trivial and correct treewide changes...
>
> There are lots of mechanisms:

I've tried them all.

None of them work particularly well,
especially the individual patch route.

> - Andrew picks such changes up

Generally not treewide.

> - With a few competent eyeballs on it (reviewers) this can go thorugh
> the trivial tree as well. It's more than obvious after all.

Jiri is almost non-existent when it comes to
trivial treewide patches.

> - Send the script to Linus with a proper change log attached and ask
> him to run it.

Linus has concerns about backports and what he
deems trivialities. Generally overblown IMO.

> - In the worst case if nobody feels responsible, I'll take care.

If Julia doesn't send a new patch in the next few
days, I will do the apply, fixup and resend of hers.

So, you're on-deck, nearly up...

> All of the above is better than trying to get the attention of a
> gazillion of maintainters.

True.

And all of the treewide changes depend on some
generic acceptance of value in the type of change.

Some believe that comma->semicolon conversions
aren't useful as there isn't a logical change and
the compiler output wouldn't be different.

Anyway, cheers, Joe


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