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kernel: microcode in every initramfs (issue 1977) #672

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mesh-tools merged 3 commits from fix/1977-microcode into main 2026-11-12 20:35:17 +00:00
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Author SHA1 Message Date
jschoubben f7616c6a9b kernel: the initramfs script takes over a default-config preset and checks each image (issue 1977, L7-L9)
mesh/delivery merged: source.main moved to novox/mesh-catalog@b9abfde492b2
Details
mesh/check checking f7616c6a9bd4 on b9abfde492b2 
Before mkinitcpio -P, a preset naming ALL_config="/etc/mkinitcpio.conf" is copied to the state's
taken-over/ and loses that line (another ALL_config is left and named); after it, an image without
kernel/x86/microcode/ in its first 64 KiB fails the unit and records nothing. The unit may write
/etc/mkinitcpio.d. The README names no node. Tests: 1977/AC7, 1977/AC8; AC3/AC4 fixtures write images.

Builds: L7, L8, L9 (issue 1977 note 4)
 2026-11-12 21:31:05 +01:00
jschoubben 62c0eb90cb kernel: kernel_boot reads microcode from each initramfs image (issue 1977, L6) 
Replaces the state record read (root's 0700) with images_with_microcode per /boot/initramfs-*.img:
true when the first 64 KiB hold a path under kernel/x86/microcode/; an unreadable image goes to
image_errors with its error. Test: 1977/AC5.

Builds: L6 (issue 1977 note 3)
 2026-11-12 20:54:34 +01:00
jschoubben 5795f4d230 kernel: microcode in every initramfs through mkinitcpio's microcode hook (issue 1977) 
Declares amd-ucode and intel-ucode, the drop-in /etc/mkinitcpio.conf.d/mesh-microcode.conf, the
initramfs script and mesh-kernel-initramfs.service; kernel_boot answers the running revision and
whether the images were built with the drop-in. Tests: 1977/AC1-AC5.

Builds: L1, L2, L3, L4, L5 (issue 1977 note 2)
 2026-11-12 20:52:21 +01:00