FYI: /sbin/weak-modules
Rahul
sundaram at fedoraproject.org
Thu Aug 3 12:44:48 UTC 2006
Sam Varshavchik wrote:
> Jon Masters writes:
>
>> Hi folks,
>>
>> Several people have been asking what /sbin/weak-modules is/does,
>> mostly because it started script spewing the other day (sorry about
>> that!) on kernel updates.
>>
>> weak-modules is part of some driver updates work we're doing at Red
>> Hat and also involves folks working on Fedora Extras "kmod" kernel
>> packaging (see the packaging list archives). Essentially, this and
>> other scripts are part of a system for allowing compatible kernel
>> modules to continue to work after a kernel update occurs -
>> weak-modules is the part that figures out which kernels are compatible
>> with a driver.
>>
>> There's more information (and some out of date packages - look at
>> rawhide for the current latest stuff!) at
>> http://www.kerneldrivers.org/ and I will add documentation for those
>> who were looking for it and could not find any - I'm sorry that's not
>> been done yet.
>>
>> I'm trying to work with the folks at SuSE/Novell to ultimately offer
>> kernel module package authors a standardized packaging process too
>> (over and above what we each do separately) - I'm going to start by
>> introducing a new macro in redhat-rpm-config along the lines agreed
>> between those of us who met up at OLS to discuss driver updates last
>> week. This is not aimed at undermining the work that's been done in
>> Extras - it's just an additional option.
>>
>> If you would like more information, just drop me an email (I'm also
>> jcm at redhat.com when wearing my work hat!) or reply to this one.
>
> What exactly is the problem being solved here? I don't see any obvious
> link to anything on kerneldrivers.org that describes what this stuff does.
>
> I build lirc and ivtv modules each time a new kernel comes out, and I
> have absolutely no problems doing that. Couldn't be any easier. Piece
> of cake. I'm not sure what problem needs solving here. I just install
> the new kernel and kernel-devel packages, run the script that builds a
> corresponding lirc and ivtv kernel driver packages, pointing the build
> at the right build directory, then install the driver packages and
> reboot. Couldn't be simpler.
>
> If someone really wants to make building kernel driver packages easier,
> they can simply fix THE HORRIBLE UGLY STINKING CRAP code that
> kernel-devel's %post script uses to hardlink the identical kernel source
> files.
>
> If I set out to do this specific task in the most grossly inefficient
> manner possible, there's no way I could do it any better than the
> existing mess. The brain-damaged script literally reads the entire
> /usr/src/kernels, by forking thousands of mind-numbing child procs.
> And, the more kernels you have installed, the slooower and
> sloooooooooooooower everything takes.
>
> Has anyone ever heard of this thing called an SHA1 hash?
>
> Anybody?
>
> Hello!!! McFly!!! Anybody home????
>
Anybody heard of being civil? If you have problems, file bug reports.
Rahul
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