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SubjectRe: [PATCH V2 1/4] riscv: Separate patch for cflags and aflags
On Thu, Jan 16, 2020 at 8:01 PM <guoren@kernel.org> wrote:
>
> From: Guo Ren <ren_guo@c-sky.com>
>
> Use "subst fd" in Makefile is a hack way and it's not convenient
> to add new ISA feature. Just separate them into riscv-march-cflags
> and riscv-march-aflags.
>
> Signed-off-by: Guo Ren <ren_guo@c-sky.com>
> Cc: Anup Patel <Anup.Patel@wdc.com>
> ---
> arch/riscv/Makefile | 18 ++++++++++++------
> 1 file changed, 12 insertions(+), 6 deletions(-)
>
> diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
> index b9009a2fbaf5..6d09b53cf106 100644
> --- a/arch/riscv/Makefile
> +++ b/arch/riscv/Makefile
> @@ -35,12 +35,18 @@ else
> endif
>
> # ISA string setting
> -riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima
> -riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima
> -riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd
> -riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c
> -KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y))
> -KBUILD_AFLAGS += -march=$(riscv-march-y)
> +riscv-march-cflags-$(CONFIG_ARCH_RV32I) := rv32ima
> +riscv-march-cflags-$(CONFIG_ARCH_RV64I) := rv64ima
> +riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd
> +riscv-march-cflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-cflags-y)c
> +
> +riscv-march-aflags-$(CONFIG_ARCH_RV32I) := rv32ima
> +riscv-march-aflags-$(CONFIG_ARCH_RV64I) := rv64ima
> +riscv-march-aflags-$(CONFIG_FPU) := $(riscv-march-aflags-y)fd
> +riscv-march-aflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-aflags-y)c
> +
> +KBUILD_CFLAGS += -march=$(riscv-march-cflags-y)
> +KBUILD_AFLAGS += -march=$(riscv-march-aflags-y)
>
> KBUILD_CFLAGS += -mno-save-restore
> KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET)
> --
> 2.17.0
>

LGTM.

Reviewed-by: Anup Patel <anup@brainfault.org>

Regards,
Anup

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