Re: [PATCH 0/3] Allow CONFIG_PPC64_BIG_ENDIAN_ELF_ABI_V2 with ld.lld 15+

[Michael Ellerman]

Nathan Chancellor <nathan@xxxxxxxxxx> writes:
> Currently, CONFIG_PPC64_BIG_ENDIAN_ELF_ABI_V2 is not selectable with
> ld.lld because of an explicit dependency on GNU ld, due to lack of
> testing with LLVM.
>
> Erhard was kind enough to test this option on his hardware with LLVM 15,
> which ran without any issues. This should not be too surprising, as
> ld.lld does not have support for the ELFv1 ABI, only ELFv2, so it should
> have decent support. With this series, big endian kernels can be built
> with LLVM=1.
>
> This has seen our basic set of powerpc configurations with clang-15,
> clang-16, and clang-17 but I will never be opposed to more testing :)
>
> The first two patches fix a couple of issues I noticed while build
> testing and the final patch actually allows the option to be selected.

Thanks for this.

I thought about applying this last week but decided not to. I'll plan to
pick it up for 6.4.

cheers