[PATCH 0/1] x86/kexec: UKI support

From: Jan Hendrik Farr
Date: Sat Sep 09 2023 - 12:25:34 EST


Hello,

this patch implements UKI support for kexec_file_load. It will require support
in the kexec-tools userspace utility. For testing purposes the following can be used:
https://github.com/Cydox/kexec-test/

There has been discussion on this topic in an issue on GitHub that is linked below
for reference.


Some links:
- Related discussion: https://github.com/systemd/systemd/issues/28538
- Documentation of UKIs: https://uapi-group.org/specifications/specs/unified_kernel_image/

Jan Hendrik Farr (1):
x86/kexec: UKI support

arch/x86/include/asm/kexec-uki.h | 7 ++
arch/x86/include/asm/parse_pefile.h | 32 +++++++
arch/x86/kernel/Makefile | 2 +
arch/x86/kernel/kexec-uki.c | 113 +++++++++++++++++++++++++
arch/x86/kernel/machine_kexec_64.c | 2 +
arch/x86/kernel/parse_pefile.c | 110 ++++++++++++++++++++++++
crypto/asymmetric_keys/mscode_parser.c | 2 +-
crypto/asymmetric_keys/verify_pefile.c | 110 +++---------------------
crypto/asymmetric_keys/verify_pefile.h | 16 ----
9 files changed, 278 insertions(+), 116 deletions(-)
create mode 100644 arch/x86/include/asm/kexec-uki.h
create mode 100644 arch/x86/include/asm/parse_pefile.h
create mode 100644 arch/x86/kernel/kexec-uki.c
create mode 100644 arch/x86/kernel/parse_pefile.c

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2.40.1