* [Buildroot] [PATCH] linux: add support for ZSTD compression
@ 2020-09-01 13:48 Paul Cercueil
2020-09-03 20:26 ` Thomas Petazzoni
0 siblings, 1 reply; 2+ messages in thread
From: Paul Cercueil @ 2020-09-01 13:48 UTC (permalink / raw)
To: buildroot
Add support for creating self-extractible kernels compressed with ZSTD.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
linux/Config.in | 3 +++
linux/linux.mk | 3 +++
2 files changed, 6 insertions(+)
diff --git a/linux/Config.in b/linux/Config.in
index 03840f7b27..2d00b33b8c 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -321,6 +321,9 @@ config BR2_LINUX_KERNEL_LZO
config BR2_LINUX_KERNEL_XZ
bool "xz compression"
+config BR2_LINUX_KERNEL_ZSTD
+ bool "zstd compression"
+
endchoice
config BR2_LINUX_KERNEL_IMAGE_TARGET_NAME
diff --git a/linux/linux.mk b/linux/linux.mk
index b90b032bb9..08964ad01a 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -98,12 +98,15 @@ else ifeq ($(BR2_LINUX_KERNEL_LZO),y)
LINUX_DEPENDENCIES += host-lzop
else ifeq ($(BR2_LINUX_KERNEL_XZ),y)
LINUX_DEPENDENCIES += host-xz
+else ifeq ($(BR2_LINUX_KERNEL_ZSTD),y)
+LINUX_DEPENDENCIES += host-zstd
endif
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_GZIP) += CONFIG_KERNEL_GZIP
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZ4) += CONFIG_KERNEL_LZ4
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZMA) += CONFIG_KERNEL_LZMA
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZO) += CONFIG_KERNEL_LZO
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_XZ) += CONFIG_KERNEL_XZ
+LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_ZSTD) += CONFIG_KERNEL_ZSTD
ifeq ($(BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL),y)
LINUX_DEPENDENCIES += host-openssl
--
2.28.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [Buildroot] [PATCH] linux: add support for ZSTD compression
2020-09-01 13:48 [Buildroot] [PATCH] linux: add support for ZSTD compression Paul Cercueil
@ 2020-09-03 20:26 ` Thomas Petazzoni
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Petazzoni @ 2020-09-03 20:26 UTC (permalink / raw)
To: buildroot
On Tue, 1 Sep 2020 15:48:49 +0200
Paul Cercueil <paul@crapouillou.net> wrote:
> Add support for creating self-extractible kernels compressed with ZSTD.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> ---
> linux/Config.in | 3 +++
> linux/linux.mk | 3 +++
> 2 files changed, 6 insertions(+)
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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