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Date: Fri, 22 Jul 2016 19:18:08 +0200 (CEST)
From: Julia Lawall <julia.lawall@lip6.fr>
To: David Howells <dhowells@redhat.com>
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Cc: ksummit-discuss@lists.linuxfoundation.org, Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [Ksummit-discuss] [CORE TOPIC] More useful types in the linux
 kernel
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On Fri, 22 Jul 2016, David Howells wrote:

> Vlastimil Babka <vbabka@suse.cz> wrote:
>
> > > I can resurrect irq_flags_t but there is no procedure for merging 1MB+ diffs
> > > without spending whole life splitting and emailing maintainers.
> >
> > I think the procedure is that you have a script (e.g. coccinelle) to make such
> > patch and Linus applies it himself just before/after rc1.
>
> Can coccinelle manage changing the local variable declaration, especially if
> someone does:
>
> 	unsigned long flags, fred;
>
> where fred is unrelated.

Recent versions of Coccinelle should allow this.  Older versions would
crash, so you would at least know that there was a problem.

julia

>
> But, on the other hand, it should be possible to compile test very easily if
> irq_flags_t is a typedef'd struct.
>
> David
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