Re: [PATCH] arm64: Make CPU_BIG_ENDIAN depend on !LD_IS_LLD

Arnd Bergmann
2021-02-02T08:06:05Z

On Tue, Feb 2, 2021 at 3:25 AM Nathan Chancellor <nathan@kernel.org> wrote:
>
> Similar to commit 28187dc8ebd9 ("ARM: 9025/1: Kconfig: CPU_BIG_ENDIAN
> depends on !LD_IS_LLD"), ld.lld does not support aarch64 big endian,
> leading to the following build error when CONFIG_CPU_BIG_ENDIAN is
> selected:
>
> ld.lld: error: unknown emulation: aarch64linuxb

While this is the original error message I reported, I think it would be
better to explain that lld actually does support linking big-endian
kernels but they don't boot, for unknown reasons.

I can send a patch to address the build error and mark big-endian
as "depends on !LD_IS_LLD || COMPILE_TEST" to reflect that
and help with randconfig testing.

Arnd