Re: [PATCH v2 3/7] Revert "arm64: bti: Require clang >= 10.0.1 for in-kernel BTI support"

From: Nathan Chancellor
Date: Tue Sep 01 2020 - 00:56:07 EST


On Mon, Aug 31, 2020 at 05:23:22PM -0700, Nick Desaulniers wrote:
> This reverts commit b9249cba25a5dce5de87e5404503a5e11832c2dd.
>
> The minimum supported version of clang is now 10.0.1.
>
> Suggested-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

> ---
> arch/arm64/Kconfig | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 6d232837cbee..2a70b85b1a61 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1630,8 +1630,6 @@ config ARM64_BTI_KERNEL
> depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI
> # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
> depends on !CC_IS_GCC || GCC_VERSION >= 100100
> - # https://reviews.llvm.org/rGb8ae3fdfa579dbf366b1bb1cbfdbf8c51db7fa55
> - depends on !CC_IS_CLANG || CLANG_VERSION >= 100001
> depends on !(CC_IS_CLANG && GCOV_KERNEL)
> depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
> help
> --
> 2.28.0.402.g5ffc5be6b7-goog
>