linux-kernel - Re: [patch 07/26] Add INIT

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Message-ID: <20080124210431.GA1647@Krystal>
Date:	Thu, 24 Jan 2008 16:04:31 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 07/26] Add INIT_ARRAY() to kernel.h

* Randy Dunlap (randy.dunlap@...cle.com) wrote:
> On Thu, 24 Jan 2008 15:27:13 -0500 Mathieu Desnoyers wrote:
> 
> > Add initialization of an array, which needs brackets that would pollute kernel
> > code, to kernel.h. It is used to declare arguments passed as function parameters
> 
> Hi Mathieu,
> 
> Maybe you have explained this previously, but please give a short
> explanation of "brackets that would pollute kernel code".
> 
> Thanks.
> 

Try opening such code in vim, and the syntax highlighting gets all
messed up :-/

The other option is to do the *right thing* and fix vim, of course, but
this change won't be in distros for a while.

Mathieu

> > such as:
> > text_poke(addr, INIT_ARRAY(unsigned char, 0xf0, len), len);
> > 
> > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
> > ---
> >  include/linux/kernel.h |    2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > Index: linux-2.6-lttng.mm/include/linux/kernel.h
> > ===================================================================
> > --- linux-2.6-lttng.mm.orig/include/linux/kernel.h	2008-01-24 14:10:54.000000000 -0500
> > +++ linux-2.6-lttng.mm/include/linux/kernel.h	2008-01-24 14:23:06.000000000 -0500
> > @@ -423,4 +423,6 @@ struct sysinfo {
> >  #define NUMA_BUILD 0
> >  #endif
> >  
> > +#define INIT_ARRAY(type, val, len) ((type [len]) { [0 ... (len)-1] = (val) })
> > +
> >  #endif
> 
> ---
> ~Randy

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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