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SubjectRe: A generic kernel compatibilty code
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On Fri, 2009-11-20 at 12:45 -0800, Luis R. Rodriguez wrote:
> Everyone and their mother reinvents the wheel when it comes to
> backporting kernel modules. It a painful job and it seems to me an
> alternative is possible. If we can write generic compatibilty code for
> a new routine introduced on the next kernel how about just merging it
> to the kernel under some generic compat module. This would be
> completey ignored by everyone using the stable kernel but can be
> copied by anyone doing backport work.
>
> So I'm thinking something as simple as a generic compat/comat.ko with
> compat-2.6.32.[ch] files.
>
> We've already backported everything needed for wireless drivers under
> compat-wireless under this format down to even 2.6.25.
[...]

If you think 2.6.25 is old then I don't think you understand the scale
of the problem.

OEMs still expect us to support RHEL 4 (2.6.9) and SLES 9 (2.6.5) though
the latter will probably be dropped soon. Some other vendors apparently
still need to support even 2.4 kernels!

Ben.

--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.



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