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UKI support #2763

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orangecms opened this issue Sep 14, 2023 · 2 comments
Open

UKI support #2763

orangecms opened this issue Sep 14, 2023 · 2 comments
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@orangecms
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Patches pending to add UKI support in the kernel:
https://lore.kernel.org/lkml/20230911052535.335770-1-kernel@jfarr.cc/

Discussion is here:
systemd/systemd#28538

When distros start using UKI, kexec userspace will need some adjustments to support it.
For details, see the kernel patches and the discussion.
@orangecms orangecms added the Feature Request Feature Request label Sep 14, 2023
@orangecms
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For what UKI is, see also https://media.ccc.de/v/all-systems-go-2023-185-unified-kernel-images-ukis-

@dpeckett
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dpeckett commented Oct 23, 2023 •
edited

For reference this already works today with the existing kexec_file_load() boot implementation. Supporting this for the zerocopy kexec() implementation will be much more complicated.

CONFIG_KEXEC=n
CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_KEXEC_SIG_FORCE=y
CONFIG_KEXEC_BZIMAGE_VERIFY_SIG=y
CONFIG_SIGNED_PE_FILE_VERIFICATION=y

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@dpeckett @orangecms