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Commit b6c09b51 authored by Rusty Russell's avatar Rusty Russell
Browse files

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: default avatarAndreas Mohr <andim2@users.sf.net>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 6727bb9c
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+10 −15
Original line number Diff line number Diff line
@@ -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"