[PATCH] arm64: avoid BUILD_BUG_ON() in alternative-macros

[Catalin Marinas]

On Tue, 20 Sep 2022 15:00:44 +0100, Mark Rutland wrote:
> Nathan reports that the build fails when using clang and LTO:
> 
> |  In file included from kernel/bounds.c:10:
> |  In file included from ./include/linux/page-flags.h:10:
> |  In file included from ./include/linux/bug.h:5:
> |  In file included from ./arch/arm64/include/asm/bug.h:26:
> |  In file included from ./include/asm-generic/bug.h:5:
> |  In file included from ./include/linux/compiler.h:248:
> |  In file included from ./arch/arm64/include/asm/rwonce.h:11:
> |  ./arch/arm64/include/asm/alternative-macros.h:224:2: error: call to undeclared function 'BUILD_BUG_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> |          BUILD_BUG_ON(feature >= ARM64_NCAPS);
> |          ^
> |  ./arch/arm64/include/asm/alternative-macros.h:241:2: error: call to undeclared function 'BUILD_BUG_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
> |          BUILD_BUG_ON(feature >= ARM64_NCAPS);
> |          ^
> |  2 errors generated.
> 
> [...]

Applied to arm64 (for-next/alternatives), thanks!

[1/1] arm64: avoid BUILD_BUG_ON() in alternative-macros
      https://git.kernel.org/arm64/c/0072dc1b53c3

-- 
Catalin