Re: sparse chokes on arch/i386/kernel/i8253.c (was: 2.6.20-mm1)

From: Mathieu Desnoyers
Date: Thu Feb 15 2007 - 19:43:02 EST


* Andrew Morton (akpm@xxxxxxxxxxxxxxxxxxxx) wrote:
> On Thu, 15 Feb 2007 17:46:56 -0500
> Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> wrote:
>
> > > Me too. It's due to the linux-kernel-markers patches. Mathieu, can you
> > > take a look please?
> >
> > I will give a deeper look in sparse, but I should say up front that I
> > add this to the root build tree Makefile :
> >
> > LINUXINCLUDE := -Iinclude \
> > $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
> > -include include/linux/autoconf.h \
> > -include linux/marker.h
> >
> > I guess sparse is maybe not using this Makefile or variable ?
>
> ow, that's going to hurt - this stuff is complex and fragile.
>

Sorry, I will remember to do more explicit changelogs.

> For what reason was that change made?
>

It was made so that we can use the markers in C code without actually
including marker.h everywhere. I am sure someone has a better way to do
it : I would be happy to use this-nice-build-system-feature-I-missed to
have marker.h included.

> Pleeze, tricky things like this should be changelogged - we shouldn't need
> to ask. I missed it.
>
>

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