On Tue Sep 12, 2023 at 2:20 AM EEST, Neal Gompa wrote: > On Mon, Sep 11, 2023 at 7:15 PM Jarkko Sakkinen <jarkko@xxxxxxxxxx> wrote: > > On Sat Sep 9, 2023 at 7:18 PM EEST, Jan Hendrik Farr wrote: > > > 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 > > > > What the heck is UKI? > > Unified Kernel Images. More details available here: > https://uapi-group.org/specifications/specs/unified_kernel_image/ > > It's a way of creating initramfs-style images as fully generic, > reproducible images that can be built server-side. You can build today a kernel with these compiled in: 1. EFI stub 2. initeramfs 3. cmdline Why another way (and label 'UKI') for a pre-existing feature? BR, Jarkko _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
