[PATCH] arm64: Disable LLD linker ASSERT()s for the time being

[Ard Biesheuvel]

From: Ard Biesheuvel <ardb at kernel.org>

It turns out that the way LLD handles ASSERT()s in the linker script can
result in spurious failures, so disable them for the newly introduced
BSS symbol export checks.

Link: https://github.com/ClangBuiltLinux/linux/issues/2094
Signed-off-by: Ard Biesheuvel <ardb at kernel.org>
---
 arch/arm64/kernel/image-vars.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index c5266430284b..86f088a16147 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -10,6 +10,10 @@
 #error This file should only be included in vmlinux.lds.S
 #endif
 
+#if defined(CONFIG_LD_IS_LLD) && CONFIG_LLD_VERSION < 210000
+#define ASSERT(...)
+#endif
+
 #define PI_EXPORT_SYM(sym)		\
 	__PI_EXPORT_SYM(sym, __pi_ ## sym, Cannot export BSS symbol sym to startup code)
 #define __PI_EXPORT_SYM(sym, pisym, msg)\
@@ -142,4 +146,6 @@ KVM_NVHE_ALIAS(kvm_protected_mode_initialized);
 _kernel_codesize = ABSOLUTE(__inittext_end - _text);
 #endif
 
+#undef ASSERT
+
 #endif /* __ARM64_KERNEL_IMAGE_VARS_H */
-- 
2.49.0.1238.gf8c92423fb-goog