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| author | Piotr Gorski <lucjan.lucjanov@gmail.com> | 2021-04-07 19:09:27 +0300 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2021-04-24 23:25:06 +0300 |
| commit | c3d7ef377eb2564b165b1e8fdb4646952c90ac17 (patch) | |
| tree | eaff8d062e73fd0406c50b7ddfa3d3faee3007b5 | |
| parent | d4bbe942098b0c9b487d424a3c545c9ed56462d7 (diff) | |
| download | linux-c3d7ef377eb2564b165b1e8fdb4646952c90ac17.tar.xz | |
kbuild: add support for zstd compressed modules
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
Reviewed-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
| -rw-r--r-- | init/Kconfig | 8 | ||||
| -rw-r--r-- | scripts/Makefile.modinst | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig index 510f6fcd9b7f..b5744d32c4df 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2242,7 +2242,7 @@ choice Please note that the tool used to load modules needs to support the corresponding algorithm. module-init-tools MAY support gzip, and kmod - MAY support gzip and xz. + MAY support gzip, xz and zstd. Your build system needs to provide the appropriate compression tool to compress the modules. @@ -2267,6 +2267,12 @@ config MODULE_COMPRESS_XZ Compress modules with XZ. The installed modules are suffixed with .ko.xz. +config MODULE_COMPRESS_ZSTD + bool "ZSTD" + help + Compress modules with ZSTD. The installed modules are suffixed + with .ko.zst. + endchoice config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index 191408f7a91a..ff9b09e4cfca 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -21,6 +21,7 @@ endif suffix-y := suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz +suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules)) @@ -95,6 +96,8 @@ quiet_cmd_gzip = GZIP $@ cmd_gzip = $(KGZIP) -n -f $< quiet_cmd_xz = XZ $@ cmd_xz = $(XZ) --lzma2=dict=2MiB -f $< +quiet_cmd_zstd = ZSTD $@ + cmd_zstd = $(ZSTD) -T0 --rm -f -q $< $(dst)/%.ko.gz: $(dst)/%.ko FORCE $(call cmd,gzip) @@ -102,6 +105,9 @@ $(dst)/%.ko.gz: $(dst)/%.ko FORCE $(dst)/%.ko.xz: $(dst)/%.ko FORCE $(call cmd,xz) +$(dst)/%.ko.zst: $(dst)/%.ko FORCE + $(call cmd,zstd) + PHONY += FORCE FORCE: |