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sys-firmware/intel-microcode: Use kernel built-in microcode

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The Intel microcode wasn't applied anymore after it was reworked to be
in the initrd instead of being built-in as part of the kernel image.
This was due to how the kernel build system can't handle combined
initrds and skip the early cpio when compressing. The AMD microcode was
still built-in as part of the kernel image.
Let the kernel build system pick up the Intel microcode by installing it
to the firmware directory. Disable the inclusion of microcode in the
initrd.

Signed-off-by: Kai Lueke <kailuke@microsoft.com>
This commit is contained in:
Kai Lueke 2025-10-20 14:24:23 +09:00
parent f80c4645fd
commit ef6754e325
2 changed files with 2 additions and 4 deletions
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1
changelog/bugfixes/2025-10-20-microcode-updates.md Normal file
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@ -0,0 +1 @@
- Fixed Intel microcode updates which were broken in recent Alpha and Beta releases by switching back to built-in extra firmware instead of early cpio inclusion ([Flatcar#1909](https://github.com/flatcar/Flatcar/issues/1909))

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sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.use vendored
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@ -157,12 +157,9 @@ sys-libs/libsemanage -python
sys-fs/zfs minimal -rootfs
# Do not tinker with /boot partition at installation time.
sys-firmware/intel-microcode -initramfs
sys-fs/zfs-kmod -initramfs
# Only needed for direct loading by the kernel, which is dangerous, and we
# include all the microcode in the initrd anyway.
sys-firmware/intel-microcode -split-ucode
# For sys-auth/sssd
net-dns/bind gssapi
net-dns/bind-tools gssapi