linux-kernel - Re: [Cocci] [v3 05/10] mmap locking API: Improving the Coccinelle software

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Date:   Mon, 30 Mar 2020 12:20:24 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Markus Elfring <Markus.Elfring@....de>
cc:     Julia Lawall <julia.lawall@...ia.fr>,
        Michel Lespinasse <walken@...gle.com>,
        Coccinelle <cocci@...teme.lip6.fr>, linux-mm@...ck.org,
        Davidlohr Bueso <dave@...olabs.net>,
        Peter Zijlstra <peterz@...radead.org>,
        Hugh Dickins <hughd@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Liam Howlett <Liam.Howlett@...cle.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Matthew Wilcox <willy@...radead.org>,
        Ying Han <yinghan@...gle.com>,
        David Rientjes <rientjes@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [Cocci] [v3 05/10] mmap locking API: Improving the Coccinelle
 software



On Mon, 30 Mar 2020, Markus Elfring wrote:

> >> …
> >> (ONCE) CPP-MACRO: found known macro = FNAME
> >> …
> >> parse error
> …
> >> How would you like to improve the affected software areas?
> >
> > This can be addressed by adding a macro definition to standard.h.
>
> A corresponding specification is used already.
> https://github.com/coccinelle/coccinelle/blob/fdf0b68ddd0a518cc6ca64f063bc74ed54e29a7b/standard.h#L508
>
>
> > But once the change is done, I don't see any reason to bother with this.
>
> How will the support evolve for data processing around the application
> of similar macros?

Not at all.

julia