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Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index e84c6423a2e5..4980925bf348 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1906,6 +1906,49 @@ config MODULE_SIG_HASH default "sha384" if MODULE_SIG_SHA384 default "sha512" if MODULE_SIG_SHA512 +config MODULE_COMPRESS + bool "Compress modules on installation" + depends on MODULES + help + This option compresses the kernel modules when 'make + modules_install' is run. + + The modules will be compressed either using gzip or xz depend on the + choice made in "Compression algorithm". + + module-init-tools has support for gzip format while kmod handle gzip + and xz compressed modules. + + When a kernel module is installed from outside of the main kernel + source and uses the Kbuild system for installing modules then that + kernel module will also be compressed when it is installed. + + This option provides little benefit when the modules are to be used inside + an initrd or initramfs, it generally is more efficient to compress the whole + initrd or initramfs instead. + + This is fully compatible with signed modules while the signed module is + compressed. module-init-tools or kmod handles decompression and provide to + other layer the uncompressed but signed payload. + +choice + prompt "Compression algorithm" + depends on MODULE_COMPRESS + default MODULE_COMPRESS_GZIP + help + This determines which sort of compression will be used during + 'make modules_install'. + + GZIP (default) and XZ are supported. + +config MODULE_COMPRESS_GZIP + bool "GZIP" + +config MODULE_COMPRESS_XZ + bool "XZ" + +endchoice + endif # MODULES config INIT_ALL_POSSIBLE |