[PATCH v6 0/4] Option to build big-endian with ELFv2 ABI

[Joel Stanley]

On Mon, 28 Nov 2022 at 04:16, Nicholas Piggin <npiggin at gmail.com> wrote:
>
> This is hopefully the final attempt. Luis was happy for the module
> patch to go via the powerpc tree, so I've put the the ELFv2 for big
> endian build patches into the series. Hopefully we can deprecate
> the ELFv1 ABI
>
> Since v5, I cleaned up patch 2 as per Christophe's review. And patch
> 4 I removed the EXPERT depends so it's easier to test. It's marked as
> experimental, but we should soon make it default and try to deprecate
> the v1 ABI so we can eventually remove it.

Reviewed-by: Joel Stanley <joel at jms.id.au>

I did some builds and boot tested them in qemu fine.

>
> Thanks,
> Nick
>
> Nicholas Piggin (4):
>   module: add module_elf_check_arch for module-specific checks
>   powerpc/64: Add module check for ELF ABI version
>   powerpc/64: Add big-endian ELFv2 flavour to crypto VMX asm generation
>   powerpc/64: Option to build big-endian with ELFv2 ABI
>
>  arch/powerpc/Kconfig                   | 21 +++++++++++++++++++++
>  arch/powerpc/kernel/module_64.c        | 10 ++++++++++
>  arch/powerpc/platforms/Kconfig.cputype |  4 ++--
>  drivers/crypto/vmx/Makefile            | 12 +++++++++++-
>  drivers/crypto/vmx/ppc-xlate.pl        | 10 ++++++----
>  include/linux/moduleloader.h           |  3 +++
>  kernel/module/main.c                   | 10 ++++++++++
>  7 files changed, 63 insertions(+), 7 deletions(-)
>
> --
> 2.37.2
>