author: Masahiro Yamada <masahiroy@kernel.org> 2021-03-31 22:38:10 +0900
committer: Masahiro Yamada <masahiroy@kernel.org> 2021-04-25 05:24:33 +0900
commit: d4bbe942098b0c9b487d424a3c545c9ed56462d7
parent: 961ab4a3cd66c285951cf4c8ec10bc8d9a4b0232
Commit Summary:
Diffstat:
1 file changed, 26 insertions, 18 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 019c1874e609..510f6fcd9b7f 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -2225,40 +2225,47 @@ config MODULE_SIG_HASH
default "sha384" if MODULE_SIG_SHA384
default "sha512" if MODULE_SIG_SHA512
-config MODULE_COMPRESS
- bool "Compress modules on installation"
+choice
+ prompt "Module compression mode"
help
+ This option allows you to choose the algorithm which will be used to
+ compress modules when 'make modules_install' is run. (or, you can
+ choose to not compress modules at all.)
- Compresses kernel modules when 'make modules_install' is run; gzip or
- xz depending on "Compression algorithm" below.
+ External modules will also be compressed in the same way during the
+ installation.
- module-init-tools MAY support gzip, and kmod MAY support gzip and xz.
+ For modules inside an initrd or initramfs, it's more efficient to
+ compress the whole initrd or initramfs instead.
- Out-of-tree kernel modules installed using Kbuild will also be
- compressed upon installation.
+ This is fully compatible with signed modules.
- Note: for modules inside an initrd or initramfs, it's more efficient
- to compress the whole initrd or initramfs instead.
+ 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.
- Note: This is fully compatible with signed modules.
+ Your build system needs to provide the appropriate compression tool
+ to compress the modules.
- If in doubt, say N.
+ If in doubt, select 'None'.
-choice
- prompt "Compression algorithm"
- depends on MODULE_COMPRESS
- default MODULE_COMPRESS_GZIP
+config MODULE_COMPRESS_NONE
+ bool "None"
help
- This determines which sort of compression will be used during
- 'make modules_install'.
-
- GZIP (default) and XZ are supported.
+ Do not compress modules. The installed modules are suffixed
+ with .ko.
config MODULE_COMPRESS_GZIP
bool "GZIP"
+ help
+ Compress modules with GZIP. The installed modules are suffixed
+ with .ko.gz.
config MODULE_COMPRESS_XZ
bool "XZ"
+ help
+ Compress modules with XZ. The installed modules are suffixed
+ with .ko.xz.
endchoice