Re: [PATCH] arm64: Allow packing uncompressed images into distro packages

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On Mon, Aug 19, 2024 at 08:11:58PM -0700, Bjorn Andersson wrote:
> From: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> 
> The distro packages (deb-pkg, pacman-pkg, rpm-pkg) are generated using
> the compressed kernel image, which means that the kernel once installed
> can not be booted with systemd-boot.
> 
> This differs from the packages generated by the distros themselves,
> which uses the uncompressed image.
> 
> Expand the newly introduced CONFIG_COMPRESSED_INSTALL option to allow
> selection of which version of the kernel image should be packaged into
> the distro packages.
> 
> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> ---
>  arch/arm64/Makefile | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
> index f6bc3da1ef11..7bb9a0a5500a 100644
> --- a/arch/arm64/Makefile
> +++ b/arch/arm64/Makefile
> @@ -166,9 +166,13 @@ BOOT_TARGETS	:= Image vmlinuz.efi image.fit
>  PHONY += $(BOOT_TARGETS)
>  
>  ifeq ($(CONFIG_EFI_ZBOOT),)
> -KBUILD_IMAGE	:= $(boot)/Image.gz
> +  ifeq ($(CONFIG_COMPRESSED_INSTALL),y)
> +    KBUILD_IMAGE := $(boot)/Image.gz
> +  else
> +    KBUILD_IMAGE := $(boot)/Image
> +  endif
>  else
> -KBUILD_IMAGE	:= $(boot)/vmlinuz.efi
> +  KBUILD_IMAGE := $(boot)/vmlinuz.efi
>  endif
>  
>  all:	$(notdir $(KBUILD_IMAGE))
> @@ -182,13 +186,6 @@ $(BOOT_TARGETS): vmlinux
>  Image.%: Image
>  	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>  
> -ifeq ($(CONFIG_COMPRESSED_INSTALL),y)
> - DEFAULT_KBUILD_IMAGE = $(KBUILD_IMAGE)
> -else
> - DEFAULT_KBUILD_IMAGE = $(boot)/Image
> -endif
> -
> -install: KBUILD_IMAGE := $(DEFAULT_KBUILD_IMAGE)

Hmm, doesn't this mean that we always install vmlinuz.efi if
CONFIG_EFI_ZBOOT=y?

Will




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