- rmmod is an alias to modprobe -r
- depmod generates modules.dep.bb
- As of 2008-07, this code is experimental. It it 14kb smaller
+ As of 2008-07, this code is experimental. It is 14kb smaller
than "non-small" modutils.
config FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE
depends on MODPROBE_SMALL
help
Allow insmod and modprobe take module options from command line.
- N.B. Very bloaty.
config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED
bool "Skip loading of already loaded modules"
depends on MODPROBE_SMALL
help
Check if the module is already loaded.
- N.B. It's racy.
-config FEATURE_MODPROBE_SMALL_ZIPPED
- bool "Handle gzipped or bzipped modules"
+config INSMOD
+ bool "insmod"
default n
- depends on MODPROBE_SMALL
+ depends on !MODPROBE_SMALL
help
- Handle compressed modules. Bloaty. Sloooow.
+ insmod is used to load specified modules in the running kernel.
-config DEPMOD
- bool "depmod"
+config RMMOD
+ bool "rmmod"
default n
depends on !MODPROBE_SMALL
help
- depmod generates modules.dep (FIXME: elaborate)
+ rmmod is used to unload specified modules from the kernel.
-config FEATURE_DEPMOD_PRUNE_FANCY
- bool "Fancy dependency pruning"
+config LSMOD
+ bool "lsmod"
default n
- depends on DEPMOD
+ depends on !MODPROBE_SMALL
help
- By default modules.dep contains all dependencies as listed by
- the modules.
- If you enable this option then we remove implied modules from
- the dependencies.
- This makes depmod somewhat bigger but generates a smaller
- modules.dep file.
+ lsmod is used to display a list of loaded modules.
- If unsure, say N.
+config FEATURE_LSMOD_PRETTY_2_6_OUTPUT
+ bool "Pretty output"
+ default n
+ depends on LSMOD
+ help
+ This option makes output format of lsmod adjusted to
+ the format of module-init-tools for Linux kernel 2.6.
+ Increases size somewhat.
-config FEATURE_DEPMOD_ALIAS
- bool "Alias support"
+config MODPROBE
+ bool "modprobe"
default n
- depends on DEPMOD
+ depends on !MODPROBE_SMALL
help
- By default modules.dep does not contain alias information.
- Enable this to emit aliases of the form:
+ Handle the loading of modules, and their dependencies on a high
+ level.
- alias pcmcia:m*c*f03fn*pfn*pa*pb*pc*pd* parport_cs
+config FEATURE_MODPROBE_BLACKLIST
+ bool "Blacklist support"
+ default n
+ depends on MODPROBE
+ help
+ Say 'y' here to enable support for the 'blacklist' command in
+ modprobe.conf. This prevents the alias resolver to resolve
+ blacklisted modules. This is useful if you want to prevent your
+ hardware autodetection scripts to load modules like evdev, frame
+ buffer drivers etc.
-config INSMOD
- bool "insmod"
+config DEPMOD
+ bool "depmod"
default n
depends on !MODPROBE_SMALL
help
- insmod is used to load specified modules in the running kernel.
+ depmod generates modules.dep (and potentially modules.alias
+ and modules.symbols) that contain dependency information
+ for modprobe.
+
+comment "Options common to multiple modutils"
+
+config FEATURE_2_4_MODULES
+ bool "Support version 2.2/2.4 Linux kernels"
+ default n
+ depends on INSMOD || RMMOD || LSMOD
+ help
+ Support module loading for 2.2.x and 2.4.x Linux kernels.
+ This increases size considerably. Say N unless you plan
+ to run ancient kernels.
+
+config FEATURE_INSMOD_TRY_MMAP
+ bool "Try to load module from a mmap'ed area"
+ default n
+ depends on INSMOD || MODPROBE_SMALL
+ help
+ This option causes module loading code to try to mmap
+ module first. If it does not work (for example,
+ it does not work for compressed modules), module will be read
+ (and unpacked if needed) into a memory block allocated by malloc.
+
+ The only case when mmap works but malloc does not is when
+ you are trying to load a big module on a very memory-constrained
+ machine. Malloc will momentarily need 2x as much memory as mmap.
+
+ Choosing N saves about 250 bytes of code (on 32-bit x86).
config FEATURE_INSMOD_VERSION_CHECKING
- bool "Module version checking"
+ bool "Enable module version checking"
default n
- depends on INSMOD && FEATURE_2_4_MODULES
+ depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
help
- Support checking of versions for modules. This is used to
+ Support checking of versions for modules. This is used to
ensure that the kernel and module are made for each other.
config FEATURE_INSMOD_KSYMOOPS_SYMBOLS
bool "Add module symbols to kernel symbol table"
default n
- depends on INSMOD && FEATURE_2_4_MODULES
+ depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
help
By adding module symbols to the kernel symbol table, Oops messages
- occuring within kernel modules can be properly debugged. By enabling
+ occuring within kernel modules can be properly debugged. By enabling
this feature, module symbols will always be added to the kernel symbol
- table for properly debugging support. If you are not interested in
+ table for proper debugging support. If you are not interested in
Oops messages from kernel modules, say N.
config FEATURE_INSMOD_LOADINKMEM
bool "In kernel memory optimization (uClinux only)"
default n
- depends on INSMOD && FEATURE_2_4_MODULES
+ depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
help
This is a special uClinux only memory optimization that lets insmod
load the specified kernel module directly into kernel space, reducing
being loaded into memory.
config FEATURE_INSMOD_LOAD_MAP
- bool "Enable load map (-m) option"
+ bool "Enable insmod load map (-m) option"
default n
- depends on INSMOD && ( FEATURE_2_4_MODULES || FEATURE_2_6_MODULES )
+ depends on FEATURE_2_4_MODULES && INSMOD
help
Enabling this, one would be able to get a load map
output on stdout. This makes kernel module debugging
config FEATURE_INSMOD_LOAD_MAP_FULL
bool "Symbols in load map"
default y
- depends on FEATURE_INSMOD_LOAD_MAP
+ depends on FEATURE_INSMOD_LOAD_MAP && !MODPROBE_SMALL
help
Without this option, -m will only output section
- load map. With this option, -m will also output
+ load map. With this option, -m will also output
symbols load map.
-config RMMOD
- bool "rmmod"
- default n
- depends on !MODPROBE_SMALL
- help
- rmmod is used to unload specified modules from the kernel.
-
-config LSMOD
- bool "lsmod"
- default n
- depends on !MODPROBE_SMALL
- help
- lsmod is used to display a list of loaded modules.
-
-config FEATURE_LSMOD_PRETTY_2_6_OUTPUT
- bool "Pretty output for 2.6.x Linux kernels"
- default n
- depends on LSMOD
- help
- This option makes output format of lsmod adjusted to
- the format of module-init-tools for Linux kernel 2.6.
-
-config MODPROBE
- bool "modprobe"
- default n
- depends on !MODPROBE_SMALL
- help
- Handle the loading of modules, and their dependencies on a high
- level.
-
- Note that in the state, modprobe does not understand multiple
- module options from the configuration file. See option below.
-
-config FEATURE_MODPROBE_MULTIPLE_OPTIONS
- bool
- prompt "Multiple options parsing"
- default y
- depends on MODPROBE
- help
- Allow modprobe to understand more than one option to pass to
- modules.
-
- This is a WIP, while waiting for a common argument parsing
- common amongst all BB applets (shell, modprobe, etc...) and
- adds around 600 bytes on x86, 700 bytes on ARM. The code is
- biggish and uggly, but just works.
-
- Saying Y here is not a bad idea if you're not that short
- on storage capacity.
-
-config FEATURE_MODPROBE_FANCY_ALIAS
- bool
- prompt "Fancy alias parsing"
- default y
- depends on MODPROBE && FEATURE_2_6_MODULES
- help
- Say 'y' here to enable parsing of aliases with underscore/dash
- mismatch between module name and file name, along with bus-specific
- aliases (such as pci:... or usb:... aliases).
-
-config FEATURE_MODPROBE_BLACKLIST
- bool
- prompt "Blacklist support"
- default n
- depends on MODPROBE && FEATURE_2_6_MODULES
- help
- Say 'y' here to enable support for the 'blacklist' command in
- modprobe.conf. This prevents the alias resolver to resolve
- blacklisted modules. This is useful if you want to prevent your
- hardware autodetection scripts to load modules like evdev, frame
- buffer drivers etc.
-
-comment "Options common to multiple modutils"
- depends on INSMOD || RMMOD || MODPROBE || LSMOD || DEPMOD
-
config FEATURE_CHECK_TAINTED_MODULE
- # Simulate indentation
bool "Support tainted module checking with new kernels"
default y
- depends on INSMOD || LSMOD
+ depends on (LSMOD || FEATURE_2_4_MODULES) && !MODPROBE_SMALL
help
- Support checking for tainted modules. These are usually binary
+ Support checking for tainted modules. These are usually binary
only modules that will make the linux-kernel list ignore your
support request.
This option is required to support GPLONLY modules.
-config FEATURE_2_4_MODULES
- # Simulate indentation
- bool "Support version 2.2.x to 2.4.x Linux kernels"
+config FEATURE_MODUTILS_ALIAS
+ bool "Support for module.aliases file"
default y
- depends on INSMOD || RMMOD || MODPROBE
+ depends on DEPMOD || MODPROBE
help
- Support module loading for 2.2.x and 2.4.x Linux kernels.
+ Generate and parse modules.alias containing aliases for bus
+ identifiers:
+ alias pcmcia:m*c*f03fn*pfn*pa*pb*pc*pd* parport_cs
+
+ and aliases for logical modules names e.g.:
+ alias padlock_aes aes
+ alias aes_i586 aes
+ alias aes_generic aes
- Note:
- This is automatically enabled if 2.6 modules are not enabled.
+ Say Y if unsure.
-config FEATURE_2_6_MODULES
- # Simulate indentation
- bool "Support version 2.6.x Linux kernels"
+config FEATURE_MODUTILS_SYMBOLS
+ bool "Support for module.symbols file"
default y
- depends on INSMOD || RMMOD || MODPROBE
+ depends on DEPMOD || MODPROBE
help
- Support module loading for newer 2.6.x Linux kernels.
+ Generate and parse modules.symbols containing aliases for
+ symbol_request() kernel calls, such as:
+ alias symbol:usb_sg_init usbcore
+
+ Say Y if unsure.
config DEFAULT_MODULES_DIR
- # Simulate indentation
string "Default directory containing modules"
default "/lib/modules"
- depends on INSMOD || RMMOD || MODPROBE || MODPROBE_SMALL || DEPMOD
+ depends on DEPMOD || MODPROBE || MODPROBE_SMALL
help
Directory that contains kernel modules.
Defaults to "/lib/modules"
config DEFAULT_DEPMOD_FILE
- # Simulate indentation
string "Default name of modules.dep"
default "modules.dep"
- depends on INSMOD || RMMOD || MODPROBE || MODPROBE_SMALL || DEPMOD
+ depends on DEPMOD || MODPROBE || MODPROBE_SMALL
help
Filename that contains kernel modules dependencies.
Defaults to "modules.dep"
-config FEATURE_QUERY_MODULE_INTERFACE
- bool
- default y
- depends on FEATURE_2_4_MODULES && !FEATURE_2_6_MODULES
-
endmenu
projects / oweals / busybox.git / blobdiff