[OpenWrt-Devel] [PATCH v4 0/6] intel-microcode: load as early as possible

[Lucian Cristian]

On 20.11.2018 18:20, Tomasz Maciej Nowak wrote:
> This small series addresses current problem with late loading of Intel
> microcode in OpenWrt. Following the commit messages [1] and later
> discussion, late loading off the microcode can be ineffective for some
> processors [2] and for others disabled [3]. Also it is discouraged for
> any processor starting from Haswell and Silvermont.
> Therefore this series converts the Intel microcode bundle to an initial
> ram disk which is loaded with grub, so kernel has access to it as early
> as possible.
> Previous patch series:
> https://patchwork.ozlabs.org/project/lede/list/?series=39372
>
> 1. https://lore.kernel.org/patchwork/cover/348236
> 2. https://lore.kernel.org/patchwork/cover/348236/#508603
> 3. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=723f2828a98c8ca19842042f418fb30dd8cfc0f7
>
> Changes in v4:
>    - copy also hidden files:
>      x86: add packages files to image bootfs
>    - no changes:
>      1) include/rootfs.mk: remove boot directory
>      2) x86: mount writable bootfs
>      3) intel-microcode: remove dependency on iucode-tool
>      4) x86: add intel microcode entries to grub config
>      5) intel-microcode: create early load microcode image
>
> Change suggested by Philip Prindeville.
>
> Changes in v3:
>    - replaced "include/rootfs.mk: move boot directory for later use"
>      with "include/rootfs.mk: remove boot directory"; the final rootfs is
>      always created after targets rootfs, so there's no need to save
>      files for later use, also there was side effect to this approach,
>      it kept the old files if packages version changed and buildroot
>      wasn't cleaned beforehand
>    - reflect the changes in "include/rootfs.mk: remove boot directory":
>      x86: add packages files to image bootfs
>    - expand commit message, narrow down the test in grub config:
>      x86: add intel microcode entries to grub config
>    - no changes:
>      1) x86: mount writable bootfs
>      2) intel-microcode: remove dependency on iucode-tool
>      3) intel-microcode: create early load microcode image
>
> Changes in v2:
>    - three new commits allowing buildsystem to properly handle packages
>      installing files to /boot directory, mainly for x86 target:
>      1) include/rootfs.mk: move boot directory for later use
>      2) x86: mount writable bootfs
>      3) x86: add packages files to image bootfs
>    - uncomplicate test for AMD processors in:
>      x86: add intel microcode entries to grub config
>    - remove package specific hook in x86 image Makefile, remove
>      postinst/prerm scripts and install microcode directly to /boot:
>      intel-microcode: create early load microcode image
>    - no changes:
>      intel-microcode: remove dependency on iucode-tool
>
> All changes in v2 suggested by Matthias Schiffer and Philip Prindeville.
>
> Tomasz Maciej Nowak (6):
>    include/rootfs.mk: remove boot directory
>    x86: mount writable bootfs
>    x86: add packages files to image bootfs
>    intel-microcode: remove dependency on iucode-tool
>    x86: add intel microcode entries to grub config
>    intel-microcode: create early load microcode image
>
>   include/rootfs.mk                                |  1 +
>   package/firmware/intel-microcode/Makefile        | 16 +++++++++-------
>   .../x86/base-files/lib/preinit/02_load_x86_ucode |  6 ++++--
>   .../x86/base-files/lib/preinit/79_move_config    | 12 ++++--------
>   target/linux/x86/image/Makefile                  |  6 ++++--
>   target/linux/x86/image/grub-iso.cfg              |  3 +++
>   target/linux/x86/image/grub.cfg                  |  3 +++
>   7 files changed, 28 insertions(+), 19 deletions(-)
>
>

this series I think are braking the boot on Via CPU's

grub complains with


error: can't find command '['.

error: file '/boot/amd-ucode.img' not found.

error: can't find command '['.

error: file '/boot/intel-ucode.img' not found.


Press any key to continue...


And you have to press any key..


Regards


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