linux-kernel - Re: [PATCH] riscv: merge two if-blocks for KBUILD

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Date: Tue, 26 Mar 2024 20:52:14 +0100
From: Alexandre Ghiti <alex@...ti.fr>
To: Masahiro Yamada <masahiroy@...nel.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 linux-riscv@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: merge two if-blocks for KBUILD_IMAGE

Hi Masahiro,

On 23/03/2024 12:35, Masahiro Yamada wrote:
> In arch/riscv/Makefile, KBUILD_IMAGE is assigned in two separate
> if-blocks.
>
> When CONFIG_XIP_KERNEL is disabled, the decision made by the first
> if-block is overwritten by the second one, which is redundant and
> unreadable.
>
> Merge the two if-blocks.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
>
>   arch/riscv/Makefile | 19 ++++++++-----------
>   1 file changed, 8 insertions(+), 11 deletions(-)
>
> diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
> index 252d63942f34..a74e70405d3f 100644
> --- a/arch/riscv/Makefile
> +++ b/arch/riscv/Makefile
> @@ -133,7 +133,15 @@ boot		:= arch/riscv/boot
>   ifeq ($(CONFIG_XIP_KERNEL),y)
>   KBUILD_IMAGE := $(boot)/xipImage
>   else
> +ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_ARCH_CANAAN),yy)
> +KBUILD_IMAGE := $(boot)/loader.bin
> +else
> +ifeq ($(CONFIG_EFI_ZBOOT),)
>   KBUILD_IMAGE	:= $(boot)/Image.gz
> +else
> +KBUILD_IMAGE := $(boot)/vmlinuz.efi
> +endif
> +endif
>   endif
>   
>   libs-y += arch/riscv/lib/
> @@ -153,17 +161,6 @@ endif
>   vdso-install-y			+= arch/riscv/kernel/vdso/vdso.so.dbg
>   vdso-install-$(CONFIG_COMPAT)	+= arch/riscv/kernel/compat_vdso/compat_vdso.so.dbg:../compat_vdso/compat_vdso.so
>   
> -ifneq ($(CONFIG_XIP_KERNEL),y)
> -ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_ARCH_CANAAN),yy)
> -KBUILD_IMAGE := $(boot)/loader.bin
> -else
> -ifeq ($(CONFIG_EFI_ZBOOT),)
> -KBUILD_IMAGE := $(boot)/Image.gz
> -else
> -KBUILD_IMAGE := $(boot)/vmlinuz.efi
> -endif
> -endif
> -endif
>   BOOT_TARGETS := Image Image.gz loader loader.bin xipImage vmlinuz.efi
>   
>   all:	$(notdir $(KBUILD_IMAGE))


You can add:

Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>

Thanks,

Alex