Re: [PATCH] arm64: Make CPU_BIG_ENDIAN depend on !LD_IS_LLD
From: Arnd Bergmann <arnd@kernel.org>
Date: 2021-02-02 08:06:05
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On Tue, Feb 2, 2021 at 3:25 AM Nathan Chancellor [off-list ref] 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
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