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| author | Rusty Russell <rusty@rustcorp.com.au> | 2015-06-16 12:16:22 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-06-23 15:27:36 +0930 |
| commit | b6c09b512dc0c5f62a4cc40184f5de749e90fdac (patch) | |
| tree | c0e5995fc4dec37edee68f4bcb900026c3186544 /init | |
| parent | 6727bb9c6abe836d88191ce13bfdd7a53c245e15 (diff) | |
| download | lwn-b6c09b512dc0c5f62a4cc40184f5de749e90fdac.tar.gz lwn-b6c09b512dc0c5f62a4cc40184f5de749e90fdac.zip | |
modules: clarify CONFIG_MODULE_COMPRESS help, suggest 'N'.
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>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/init/Kconfig b/init/Kconfig index 968a001790af..bcb7e1e13f7d 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1948,26 +1948,21 @@ 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". + Compresses kernel modules when 'make modules_install' is run; gzip or + xz depending on "Compression algorithm" below. - module-init-tools has support for gzip format while kmod handle gzip - and xz compressed modules. + module-init-tools MAY support gzip, and kmod MAY support gzip and xz. - 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. + Out-of-tree kernel modules installed using Kbuild will also be + compressed upon installation. - 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. + Note: for modules inside an initrd or initramfs, it's 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. + Note: This is fully compatible with signed modules. + + If in doubt, say N. choice prompt "Compression algorithm" |