Modular Kernel Packaging for Cloud
Sandro "red" Mathys
red at fedoraproject.org
Fri Mar 14 14:47:05 UTC 2014
On Fri, Mar 14, 2014 at 11:00 PM, Bruno Wolff III <bruno at wolff.to> wrote:
> On Fri, Mar 14, 2014 at 16:42:11 +0900,
>
> "Sandro \"red\" Mathys" <red at fedoraproject.org> wrote:
>>
>>
>> Okay, I poked around in the yum source, yum docs and kernel packages a
>> bit. So yum (and some testing confirms, dnf too) does not check the
>> package names but the provides (obviously, thinking about it). The
>> actual magic being that both kernel and kernel-core provide "kernel".
>> If that is still the case once the patch is merged from copr to
>> Fedora, no changes to yum or dnf should become necessary. Which would
>> probably leave us with "anaconda must allow for installing only just
>> kernel-core instead of kernel (when kickstarting)" as the only
>> necessary change to Fedora. I guess.
>
>
> The behavior is controlled by the installonlypkgs setting in yum.conf. From
> the man page:
>
> installonlypkgs List of package provides that should only ever
> be installed, never updated. Kernels in particular fall
> into
> this category. Defaults to kernel, kernel-bigmem,
> kernel-enter‐
> prise, kernel-smp, kernel-modules, kernel-debug,
> kernel-unsup‐
> ported, kernel-source, kernel-devel, kernel-PAE,
> kernel-PAE-
> debug.
>
> I believe kernel-modules-extra also got added to the default relatively
> recently. But that change doesn't seem to have made it to the documentation.
> (That package provides installonlypkgs(kernel-module), so there might be
> some extra magic related to that provide.)
kernel-modules-extra hasn't been added, but
installonlypkgs(kernel-module) has been. Well, at least that's what I
see in the current code on git. And kernel-drivers also provides
installonlypkgs(kernel-module).
-- Sandro
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