linux-kernel - [PATCH] ARM: Kconfig: CPU_BIG_ENDIAN depends on !LD_IS

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Message-Id: <20201109224713.16308-1-ndesaulniers@google.com>
Date:   Mon,  9 Nov 2020 14:47:12 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Fangrui Song <maskray@...gle.com>, Jian Cai <jiancai@...gle.com>,
        Peter Smith <peter.smith@....com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Russell King <linux@...linux.org.uk>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: Kconfig: CPU_BIG_ENDIAN depends on !LD_IS_LLD

LLD does not yet support any big endian architectures. Make this config
non-selectable when using LLD until LLD is fixed.

Link: https://github.com/ClangBuiltLinux/linux/issues/965
Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
---
 arch/arm/mm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 65e4482e3849..02692fbe2db5 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -743,6 +743,7 @@ config SWP_EMULATE
 config CPU_BIG_ENDIAN
 	bool "Build big-endian kernel"
 	depends on ARCH_SUPPORTS_BIG_ENDIAN
+	depends on !LD_IS_LLD
 	help
 	  Say Y if you plan on running a kernel in big-endian mode.
 	  Note that your board must be properly built and your board
-- 
2.29.2.222.g5d2a92d10f8-goog