linux-kernel - Re: [PATCH 1/3] powerpc: remove unused zInstall target from arch/powerpc/boot/Makefile

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Message-ID: <CAKwvOd=AM1zus+apNQ14oS05bQPoSuhSdjUhPUD-4EU5x2KFSA@mail.gmail.com>
Date:   Fri, 30 Jul 2021 13:20:34 -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, Jordan Niethe <jniethe5@...il.com>,
        Joel Stanley <joel@....id.au>,
        Bill Wendling <morbo@...gle.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: Re: [PATCH 1/3] powerpc: remove unused zInstall target from arch/powerpc/boot/Makefile

On Thu, Jul 29, 2021 at 7:22 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Commit c913e5f95e54 ("powerpc/boot: Don't install zImage.* from make
> install") added the zInstall target to arch/powerpc/boot/Makefile,
> but you cannot use it since the corresponding hook is missing in
> arch/powerpc/Makefile.
>
> It has never worked since its addition. Nobody has complained about
> it for 7 years, which means this code was unneeded.
>
> With this removal, the install.sh will be passed in with 4 parameters.
> Simplify the shell script.
>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>

Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>
>  arch/powerpc/boot/Makefile   |  6 +-----
>  arch/powerpc/boot/install.sh | 13 -------------
>  2 files changed, 1 insertion(+), 18 deletions(-)
>
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index e312ea802aa6..a702f9d1ec0d 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -448,11 +448,7 @@ $(obj)/zImage.initrd:      $(addprefix $(obj)/, $(initrd-y))
>  install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
>         sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)"
>
> -# Install the vmlinux and other built boot targets.
> -zInstall: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
> -       sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $^
> -
> -PHONY += install zInstall
> +PHONY += install
>
>  # anything not in $(targets)
>  clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
> diff --git a/arch/powerpc/boot/install.sh b/arch/powerpc/boot/install.sh
> index b6a256bc96ee..658c93ca7437 100644
> --- a/arch/powerpc/boot/install.sh
> +++ b/arch/powerpc/boot/install.sh
> @@ -15,7 +15,6 @@
>  #   $2 - kernel image file
>  #   $3 - kernel map file
>  #   $4 - default install path (blank if root directory)
> -#   $5 and more - kernel boot files; zImage*, uImage, cuImage.*, etc.
>  #
>
>  # Bail with error code if anything goes wrong
> @@ -41,15 +40,3 @@ fi
>
>  cat $2 > $4/$image_name
>  cp $3 $4/System.map
> -
> -# Copy all the bootable image files
> -path=$4
> -shift 4
> -while [ $# -ne 0 ]; do
> -       image_name=`basename $1`
> -       if [ -f $path/$image_name ]; then
> -               mv $path/$image_name $path/$image_name.old
> -       fi
> -       cat $1 > $path/$image_name
> -       shift
> -done;
> --
> 2.27.0
>


-- 
Thanks,
~Nick Desaulniers