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rfs(firmware): pack full Alpine linux-firmware set from container and overmount /lib/firmware

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Change pack source: install all linux-firmware* packages in container and pack from /lib/firmware via [bash.rfs_common_install_all_alpine_firmware_packages()](scripts/rfs/common.sh:290) used by [bash.pack-firmware.sh](scripts/rfs/pack-firmware.sh:21). At runtime, overmount firmware flist on /lib/firmware by updating [sh.firmware.sh](config/zinit/init/firmware.sh:10). Update docs to reflect /lib/firmware mount and new pack strategy.
This commit is contained in:
Jan De Landtsheer
2025-09-19 08:27:10 +02:00
parent 79ed723303
commit 310e11d2bf
5 changed files with 100 additions and 13 deletions
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docs/depmod-behavior.md
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@@ -31,7 +31,7 @@ Key property: depmod’s default operation opens many .ko files to read .modinfo
- Option C: Run depmod -a only if you changed the module set or path layout. Expect many small reads on first run.
3) Firmware implications
- No depmod impact, but udev coldplug will probe devices. Keep firmware files accessible via the firmware flist mount (e.g., /usr/lib/firmware).
- No depmod impact, but udev coldplug will probe devices. Keep firmware files accessible via the firmware flist mount (e.g., /lib/firmware).
- Since firmware loads on-demand by the kernel/driver, the lazy store will fetch only needed blobs.
4) Post-processing .fl to use a web endpoint (garage S3 private)