Re: [PATCH 05/10] riscv: remove Kconfig check for GCC version for ARCH_RV64I

From: Nathan Chancellor
Date: Fri Sep 10 2021 - 20:09:28 EST


On Fri, Sep 10, 2021 at 04:40:42PM -0700, Nick Desaulniers wrote:
> The minimum supported version of GCC is now 5.1. The check wasn't
> correct as written anyways since GCC_VERSION is 0 when CC=clang.
>
> Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
> Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
> Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
> Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

Indeed, I meant to clean this up a while ago but forgot :/

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>

> ---
> arch/riscv/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index c79955655fa4..5fc1d0cc82e1 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -235,7 +235,7 @@ config ARCH_RV32I
> config ARCH_RV64I
> bool "RV64I"
> select 64BIT
> - select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && GCC_VERSION >= 50000
> + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
> select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchable-function-entry=8)
> select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
> select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
> --
> 2.33.0.309.g3052b89438-goog
>
>