linux-kernel - Re: A generic kernel compatibilty code

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Message-ID: <43e72e890911201338w4c403d51q651afc3638d1739c@mail.gmail.com>
Date:	Fri, 20 Nov 2009 13:38:45 -0800
From:	"Luis R. Rodriguez" <mcgrof@...il.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-wireless <linux-wireless@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: A generic kernel compatibilty code

On Fri, Nov 20, 2009 at 1:18 PM, John W. Linville
<linville@...driver.com> wrote:
> On Fri, Nov 20, 2009 at 12:53:51PM -0800, Luis R. Rodriguez wrote:
>> On Fri, Nov 20, 2009 at 12:51 PM, Luis R. Rodriguez <mcgrof@...il.com> wrote:
>> > On Fri, Nov 20, 2009 at 12:45 PM, Luis R. Rodriguez <mcgrof@...il.com> 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.
>> >
>> > FWIW, I meant a compat-2.6.32.[ch] and compat-2.6.31.[ch] and so on.
>> > All these would link to the compat.ko
>>
>> I supose this could juse be a separate tree with some generic
>> compat.ko module. That might work better.
>
> This is what I would suggest for pursuing this idea.  Perhaps you
> could split-off from compat-wireless, then make that tree depend on
> the new tree (compat-core?)...

OK thanks, will try that for the next kernel.

  Luis
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