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modules: clarify CONFIG_MODULE_COMPRESS help, suggest 'N'.

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Andreas turned this option on, only to find out Debian (and Ubuntu!)
don't enable support in their kmod builds.

Shorten the text, and suggest N at the bottom (at least for now).

Reported-by: Andreas Mohr <andim2@users.sf.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2015-06-16 12:16:22 +09:30
parent 6727bb9c6a
commit b6c09b512d
1 changed files with 10 additions and 15 deletions
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25
init/Kconfig
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@ -1948,26 +1948,21 @@ config MODULE_COMPRESS
bool "Compress modules on installation" bool "Compress modules on installation"
depends on MODULES depends on MODULES
help 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 Compresses kernel modules when 'make modules_install' is run; gzip or
choice made in "Compression algorithm". xz depending on "Compression algorithm" below.
module-init-tools has support for gzip format while kmod handle gzip module-init-tools MAY support gzip, and kmod MAY support gzip and xz.
and xz compressed modules.
When a kernel module is installed from outside of the main kernel Out-of-tree kernel modules installed using Kbuild will also be
source and uses the Kbuild system for installing modules then that compressed upon installation.
kernel module will also be compressed when it is installed.
This option provides little benefit when the modules are to be used inside Note: for modules inside an initrd or initramfs, it's more efficient
an initrd or initramfs, it generally is more efficient to compress the whole to compress the whole initrd or initramfs instead.
initrd or initramfs instead.
This is fully compatible with signed modules while the signed module is Note: This is fully compatible with signed modules.
compressed. module-init-tools or kmod handles decompression and provide to
other layer the uncompressed but signed payload. If in doubt, say N.
choice choice
prompt "Compression algorithm" prompt "Compression algorithm"