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vwegert
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Joined: 12 Mar 2005
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Location: Germany
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 Posted: Thu Aug 11, 2022 9:39 am Post subject: distribution kernel - change file names |
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Hi all,
For a new system, I'm currently trying distribution kernels instead of genkernel. In my genkernel setup, I'm using KERNEL_FILENAME and KERNEL_SYMLINK_FILENAME (a "production" and a "maintenance" installation sharing the same boot partition - this is used to keep the files separated). Is there a similar facility when using distribution kernels? I've not been able to find anything so far...
Thanks
Volker |
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Zucca
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Joined: 14 Jun 2007
Posts: 4001
Location: Rasi, Finland
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| Posted: Thu Aug 11, 2022 10:05 am Post subject: |
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I don't think there is such feature implemented.
I'd use it too. Especially with /etc/kernel/config.d way of altering kernel config.
My preferred way would be /etc/kernel/config.d/<kernel name suffix>/.
Config file "patches" at the root of /etc/kernel/config.d would be used by all builds.
This should be possible by altering the ebuild only. Maybe this is a place to raise a FEATURE bug against distribution kernel ebuilds..?
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vwegert
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vwegert
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Joined: 12 Mar 2005
Posts: 31
Location: Germany
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| Posted: Sun Dec 08, 2024 4:32 pm Post subject: |
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The bug has been closed as WONTFIX with the following comment:
| Quote: | Two ways this could be done:
- A hook for sys-kernel/installkernel as sam suggested, this could recognize the KERNEL_FILENAME and KERNEL_SYMLINK_FILENAME environment variables and rename the just-installed kernel accordingly, or
- Compiling two different kernels with a different value for CONFIG_LOCALVERSION, the LOCALVERSION is appended to the regular kernel version and is respected by sys-kernel/installkernel.
IMO this level of customization does not need an ebuild/eclass solution and it is already possible to do this. So I feel this is a WONTFIX. |
I'll have to read into the installkernel logic for this, unless someone happens to have a working example... |
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Nowa
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Joined: 25 Jun 2014
Posts: 478
Location: Nijmegen
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| Posted: Sun Dec 08, 2024 9:09 pm Post subject: |
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| vwegert wrote: | | I'll have to read into the installkernel logic for this, unless someone happens to have a working example... |
The working example *is* the installkernel scripts from sys-kernel/installkernel:
For OpenRC systems: https://github.com/projg2/installkernel-gentoo/blob/master/installkernel (installed as /sbin/installkernel, calls postinst hooks from /etc/kernel/postinst.d)
For systemd systems: https://github.com/projg2/installkernel-gentoo/blob/master/hooks/systemd/90-compat.install (installed in /usr/lib/kernel/install.d, fork it into /etc/kernel/install.d)
Change the kernel names as desired and maybe add some loops and that's it.
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