[PATCH v4 0/7] kexec: add generic support for elf kernel images

[Thiago Jung Bauermann]

Sven Schnelle <svens at stackframe.org> writes:

> Changes to v3:
>  - add support for 32-bit ELF files
>
> Changes to v2:
>  - use git format-patch -C
>
> Changes to v1:
>  - split up patch into smaller pieces
>  - rebase onto powerpc/next
>  - remove unused variable in kexec_elf_load()
>
> Changes to RFC version:
>  - remove unused Elf_Rel macro
>  - remove section header parsing
>  - remove PURGATORY_STACK_SIZE
>  - change order of elf_*_to_cpu() functions
>  - remove elf_addr_to_cpu macro
>
> Sven Schnelle (7):
>   kexec: add KEXEC_ELF
>   kexec_elf: change order of elf_*_to_cpu() functions
>   kexec_elf: remove parsing of section headers
>   kexec_elf: remove PURGATORY_STACK_SIZE
>   kexec_elf: remove Elf_Rel macro
>   kexec_elf: remove unused variable in kexec_elf_load()
>   kexec_elf: support 32 bit ELF files
>
>  arch/Kconfig                       |   3 +
>  arch/powerpc/Kconfig               |   1 +
>  arch/powerpc/kernel/kexec_elf_64.c | 551 +----------------------------
>  include/linux/kexec.h              |  23 ++
>  kernel/Makefile                    |   1 +
>  kernel/kexec_elf.c                 | 418 ++++++++++++++++++++++
>  6 files changed, 456 insertions(+), 541 deletions(-)
>  create mode 100644 kernel/kexec_elf.c

The series applies on v5.1 but not newer kernels, so it needs to be
rebased.

I tested with v5.1 in ppc64le kexecing to both little-endian and
big-endian kernels, and also in ppc64 kexecing to both big-endian and
little-endian kernels so:

Tested-by: Thiago Jung Bauermann <bauerman at linux.ibm.com>

--
Thiago Jung Bauermann
IBM Linux Technology Center