linux-kernel - Re: [PATCH 3/3] powerpc: move the install rule to arch/powerpc/Makefile

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Date:   Fri, 30 Jul 2021 13:29:59 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, Nicholas Piggin <npiggin@...il.com>,
        linux-kernel@...r.kernel.org,
        Segher Boessenkool <segher@...nel.crashing.org>,
        Jordan Niethe <jniethe5@...il.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Bill Wendling <morbo@...gle.com>, Joel Stanley <joel@....id.au>
Subject: Re: [PATCH 3/3] powerpc: move the install rule to arch/powerpc/Makefile

On Thu, Jul 29, 2021 at 7:22 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Currently, the install target in arch/powerpc/Makefile descends into
> arch/powerpc/boot/Makefile to invoke the shell script, but there is no
> good reason to do so.

Sure, but there are more arch/ subdirs that DO invoke install.sh from
arch/<arch>/boot/Makefile than, not:

arch/<arch>/boot/Makefile:
- parisc
- nios2
- arm
- nds32
- sparc
- riscv
- 390
- ppc (this patch)
- x86
- arm64

arch/<arch>/Makefile:
- ia64
- m68k

Patch is fine, but right now the tree is a bit inconsistent.

>
> arch/powerpc/Makefile can run the shell script directly.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
>
>  arch/powerpc/Makefile      | 3 ++-
>  arch/powerpc/boot/Makefile | 6 ------
>  2 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
> index 6505d66f1193..9aaf1abbc641 100644
> --- a/arch/powerpc/Makefile
> +++ b/arch/powerpc/Makefile
> @@ -407,7 +407,8 @@ endef
>
>  PHONY += install
>  install:
> -       $(Q)$(MAKE) $(build)=$(boot) install
> +       sh -x $(srctree)/$(boot)/install.sh "$(KERNELRELEASE)" vmlinux \
> +       System.map "$(INSTALL_PATH)"
>
>  archclean:
>         $(Q)$(MAKE) $(clean)=$(boot)
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 0d165bd98b61..10c0fb306f15 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -444,12 +444,6 @@ $(obj)/zImage:             $(addprefix $(obj)/, $(image-y))
>  $(obj)/zImage.initrd:  $(addprefix $(obj)/, $(initrd-y))
>         $(Q)rm -f $@; ln $< $@
>
> -# Only install the vmlinux
> -install:
> -       sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)"
> -
> -PHONY += install
> -
>  # anything not in $(targets)
>  clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
>         zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
> --
> 2.27.0
>


-- 
Thanks,
~Nick Desaulniers