linux-kernel - [PATCH v1 0/3] riscv: make image compression configurable

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Date: Thu,  2 May 2024 13:16:05 +0200
From: Emil Renner Berthing <emil.renner.berthing@...onical.com>
To: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas@...sle.eu>,
	Nick Terrell <terrelln@...com>
Subject: [PATCH v1 0/3] riscv: make image compression configurable

Masahiro's patch[1] made me wonder why we're not just using KBUILD_IMAGE
to determine which (possibly compressed) kernel image to use in 'make
tar-pkg' like other architectures do. It turns out we're always setting
KBUILD_IMAGE to the uncompressed Image file and then compressing it into
the Image.gz file afterwards.

This series fixes that so the compression method is configurable and
KBUILD_IMAGE is set to the chosen (possibly uncompressed) kernel image
which is then used by targets like 'make install' and 'make bindeb-pkg' and
'make tar-pkg'.

Patch 3/3 depends on the previously mentioned patch below.

[1]: https://lore.kernel.org/r/20240414174139.3001175-1-masahiroy@kernel.org

Emil Renner Berthing (3):
  riscv: make image compression configurable
  riscv: show help string for riscv-specific targets
  kbuild: buildtar: install riscv compressed images as vmlinuz

 arch/riscv/Kconfig         |  7 +++++
 arch/riscv/Makefile        | 60 +++++++++++++++++++++++++-------------
 arch/riscv/boot/install.sh |  9 ++++--
 scripts/package/buildtar   | 18 +++++-------
 4 files changed, 61 insertions(+), 33 deletions(-)

-- 
2.43.0