linux-kernel - Re: [PATCH] compat: add compat kernel checker and downloader

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Message-ID: <20120404111014.GB3378@shadowen.org>
Date:	Wed, 4 Apr 2012 12:10:14 +0100
From:	Andy Whitcroft <apw@...onical.com>
To:	"Luis R. Rodriguez" <mcgrof@...jolero.org>
Cc:	"Luis R. Rodriguez" <mcgrof@...badil.infradead.org>,
	hauke@...ke-m.de, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-team@...ts.ubuntu.com,
	lf_driver_backport@...ts.linux-foundation.org
Subject: Re: [PATCH] compat: add compat kernel checker and downloader

On Fri, Mar 30, 2012 at 05:23:46PM -0700, Luis R. Rodriguez wrote:
> Andy, so I just noticed that on all Ubuntu PPA (and generic) kernels
> you guys have a broken symlink >= 2.6.33.
> 
> /lib/modules/2.6.33-02063305-generic/build/include/asm
> 
> points to asm-x86 and that is no longer present after 2.6.33 so any
> module requiring those header files will break now on Ubuntu. I just
> spotted this as some file from asm is now included in the modules were
> are building. I guess not many external kernel modules include asm dir
> otherwise you guys would have noticed this a long time ago.

Luis, I concur that the link is now broken.  However that link is actually
simply superfulous now.  Anything correctly using kernel 'external
module' support will be using the -I path from the kernel Makefiles.
They will therefore be including from /usr/src/<version>/include _and_
/usr/src/<version>/arch/x86/include.  I presume this is why we have not
noticed it.

I will get that link removed however as it is simply bogus.

-apw
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