linux-kernel - Re: [-mm patch] make types.h usable for non-gcc C parsers

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Message-ID: <20070828144248.GR26410@stusta.de>
Date:	Tue, 28 Aug 2007 16:42:48 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Adrian Bunk <bunk@...nel.org>,
	Gabriel C <nix.or.die@...glemail.com>,
	linux-kernel@...r.kernel.org, Olaf Hering <olh@...e.de>,
	netdev@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>
Subject: Re: [-mm patch] make types.h usable for non-gcc C parsers

On Tue, Aug 28, 2007 at 12:37:04AM -0700, Andrew Morton wrote:
> On Mon, 27 Aug 2007 23:27:43 +0200 Adrian Bunk <bunk@...nel.org> wrote:
> 
> > On Wed, Aug 22, 2007 at 03:33:27PM +0200, Gabriel C wrote:
> > >...
> > > WARNING: "div64_64" [net/netfilter/xt_connbytes.ko] has no CRC!
> > >...
> > 
> > Patch below.
> > 
> > > Regards,
> > > 
> > > Gabriel
> > 
> > cu
> > Adrian
> > 
> > 
> > <--  snip  -->
> > 
> > 
> > This patch makes the 64bit integers on 32bit architectures usable for
> > all C parsers that know about "long long".
> > 
> > Signed-off-by: Adrian Bunk <bunk@...nel.org>
> > 
> 
> Given that this patch (hopefully) fixes a problem in the current net-2.6.24
> tree, I'm inclined to slip it into mainline immediately.

It fixes a bug exposed by a -mm only patch, not by the net tree
(and 2.6.23-rc3-mm1 doesn't contain the net tree at all).

> But I'd like a better description, please.  Which "non-gcc parser" are we
> talking about here?  Something under ./scripts/.  Well, please identify it,
> and describe what the problem is, and how the proposed patch will address
> it.
>...

It's about parsers like the Sun C compiler and the C parser shipped 
with genksyms.

We can fix the C parser shipped with genksyms, but we have nearly the 
same problem with userspace C parsers:

These are userspace headers, and we had a bug report that the Sun C 
compiler was not able to compile some userspace code.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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