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

[Jan Hendrik Farr <kernel@jfarr.cc>]

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

-- 
2.40.1