From: Sam Ravnborg <sam@ravnborg.org>
To: Patrick McFarland <diablod3@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>, linux-kernel@vger.kernel.org
Subject: Re: RFC: Testing for kernel features in external modules
Date: Thu, 24 Jun 2004 22:49:52 +0200 [thread overview]
Message-ID: <20040624204952.GA4700@mars.ravnborg.org> (raw)
In-Reply-To: <d577e569040624132413451e20@mail.gmail.com>
On Thu, Jun 24, 2004 at 04:24:01PM -0400, Patrick McFarland wrote:
> On Thu, 24 Jun 2004 22:30:43 +0200, Sam Ravnborg <sam@ravnborg.org> wrote:
> >
> > The last couple of kbuild patches has put attention to testing for
> > features in the kernel so an external modules can stay compatible
> > with a broad range of kernels.
> > Since vendors backport patches then testing for the kernel version is not
> > an option, so other means are reqired.
> >
> > Two approaches are in widespread use:
> > a) grep kernel headers
> > b) Try to compile a small .c file (nvidia is a good example)
>
> Why can't you check the .config file to see if features are enabled?
Features in a broad sense so API changes with respect to types
and function calls
Sam
next prev parent reply other threads:[~2004-06-24 20:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-24 20:30 RFC: Testing for kernel features in external modules Sam Ravnborg
2004-06-24 20:24 ` Patrick McFarland
2004-06-24 20:49 ` Sam Ravnborg [this message]
2004-06-24 20:35 ` Andreas Dilger
2004-06-24 21:07 ` Gerd Knorr
2004-06-24 21:23 ` Sam Ravnborg
2004-06-25 8:32 ` Andreas Gruenbacher
2004-06-25 9:04 ` Lars Marowsky-Bree
2004-06-26 23:48 ` Adrian Bunk
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