akmods for EL-5?

Thorsten Leemhuis fedora at leemhuis.info
Fri Sep 5 16:25:17 CEST 2008


On 05.09.2008 16:13, Jarod Wilson wrote:
> On Fri, 2008-09-05 at 15:35 +0200, Denis Leroy wrote:
>> Andrea Musuruane wrote:
>>> 2008/9/5 Neal Becker <ndbecker2 at gmail.com>:
>>>> I need to build my akmod for EL-5.  Will there be a port of akmods stuff to
>>>> EL-5?
>>> Is there a sense in having akmod for EL? AFAIK the EL kernel is ABI
>>> stable. Therefore kmod should be enough.
>> No the EL kernel is API stable, not ABI stable. Kernel modules always 
>> have a strict dependency on the exact kernel they were compiled against, 
>> and RHEL does push kernel updates regularly (although not as frequently 
>> as Fedora).
> 
> Incorrect.
> 
> The RHEL kernel *is* ABI-stable for a whitelisted set of symbols. Some
> 3rd-party kernel modules use symbols not on the whitelist, and thus not
> guaranteed stable, but it *is* entirely possible to build a kernel
> module against the RHEL5 GA kernel and have it load and run fine on the
> latest 5.3 development kernel, if it only uses whitelisted symbols.

And the plan is to use those whitelisted set of symbols in kmods for 
EL-5 in RPM Fusion to hopefully avoid that we have to rebuild each and 
every kmods for each new EL kernel.

Cu
knurd


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