diff options
Diffstat (limited to 'config/busybox/modutils/Config.in')
| -rw-r--r-- | config/busybox/modutils/Config.in | 249 |
1 files changed, 160 insertions, 89 deletions
diff --git a/config/busybox/modutils/Config.in b/config/busybox/modutils/Config.in index 60348e722..c6d2ebeda 100644 --- a/config/busybox/modutils/Config.in +++ b/config/busybox/modutils/Config.in @@ -4,86 +4,104 @@ # menu "Linux Module Utilities" - depends on BUSYBOX -config BB_CONFIG_INSMOD - bool "insmod" - default n +config BUSYBOX_DEFAULT_MODULES_DIR + string "Default directory containing modules" + default "/lib/modules" help - insmod is used to load specified modules in the running kernel. + Directory that contains kernel modules. + Defaults to "/lib/modules" -config BB_CONFIG_FEATURE_INSMOD_VERSION_CHECKING - bool "Module version checking" - default n - depends on BB_CONFIG_INSMOD && BB_CONFIG_FEATURE_2_4_MODULES +config BUSYBOX_DEFAULT_DEPMOD_FILE + string "Default name of modules.dep" + default "modules.dep" help - Support checking of versions for modules. This is used to - ensure that the kernel and module are made for each other. + Filename that contains kernel modules dependencies. + Defaults to "modules.dep" -config BB_CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS - bool "Add module symbols to kernel symbol table" +config BUSYBOX_MODPROBE_SMALL + bool "Simplified modutils" default n - depends on BB_CONFIG_INSMOD && BB_CONFIG_FEATURE_2_4_MODULES help - By adding module symbols to the kernel symbol table, Oops messages - 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 - Oops messages from kernel modules, say N. + Simplified modutils. -config BB_CONFIG_FEATURE_INSMOD_LOADINKMEM - bool "In kernel memory optimization (uClinux only)" + With this option modprobe does not require modules.dep file + and does not use /etc/modules.conf file. + It scans module files in /lib/modules/`uname -r` and + determines dependencies and module alias names on the fly. + This may make module loading slower, most notably + when one needs to load module by alias (this requires + scanning through module _bodies_). + + At the first attempt to load a module by alias modprobe + will try to generate modules.dep.bb file in order to speed up + future loads by alias. Failure to do so (read-only /lib/modules, + etc) is not reported, and future modprobes will be slow too. + + NB: modules.dep.bb file format is not compatible + with modules.dep file as created/used by standard module tools. + + Additional module parameters can be stored in + /etc/modules/$module_name files. + + Apart from modprobe, other utilities are also provided: + - insmod is an alias to modprobe + - rmmod is an alias to modprobe -r + - depmod generates modules.dep.bb + + As of 2008-07, this code is experimental. It is 14kb smaller + than "non-small" modutils. + +config BUSYBOX_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE + bool "Accept module options on modprobe command line" default n - depends on BB_CONFIG_INSMOD && BB_CONFIG_FEATURE_2_4_MODULES + depends on BUSYBOX_MODPROBE_SMALL help - This is a special uClinux only memory optimization that lets insmod - load the specified kernel module directly into kernel space, reducing - memory usage by preventing the need for two copies of the module - being loaded into memory. + Allow insmod and modprobe take module options from command line. + N.B. Very bloaty. -config BB_CONFIG_FEATURE_INSMOD_LOAD_MAP - bool "Enable load map (-m) option" +config BUSYBOX_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED + bool "Skip loading of already loaded modules" default n - depends on BB_CONFIG_INSMOD && ( BB_CONFIG_FEATURE_2_4_MODULES || BB_CONFIG_FEATURE_2_6_MODULES ) + depends on BUSYBOX_MODPROBE_SMALL help - Enabling this, one would be able to get a load map - output on stdout. This makes kernel module debugging - easier. - If you don't plan to debug kernel modules, you - don't need this option. + Check if the module is already loaded. + N.B. It's racy. -config BB_CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL - bool "Symbols in load map" - default y - depends on BB_CONFIG_FEATURE_INSMOD_LOAD_MAP +config BUSYBOX_INSMOD + bool "insmod" + default n + depends on !BUSYBOX_MODPROBE_SMALL help - Without this option, -m will only output section - load map. With this option, -m will also output - symbols load map. + insmod is used to load specified modules in the running kernel. -config BB_CONFIG_RMMOD +config BUSYBOX_RMMOD bool "rmmod" default n + depends on !BUSYBOX_MODPROBE_SMALL help rmmod is used to unload specified modules from the kernel. -config BB_CONFIG_LSMOD +config BUSYBOX_LSMOD bool "lsmod" default n + depends on !BUSYBOX_MODPROBE_SMALL help lsmod is used to display a list of loaded modules. -config BB_CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT - bool "Pretty output for 2.6.x Linux kernels" +config BUSYBOX_FEATURE_LSMOD_PRETTY_2_6_OUTPUT + bool "Pretty output" default n - depends on BB_CONFIG_LSMOD + depends on BUSYBOX_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 BB_CONFIG_MODPROBE +config BUSYBOX_MODPROBE bool "modprobe" default n + depends on !BUSYBOX_MODPROBE_SMALL help Handle the loading of modules, and their dependencies on a high level. @@ -91,69 +109,122 @@ config BB_CONFIG_MODPROBE Note that in the state, modprobe does not understand multiple module options from the configuration file. See option below. -config BB_CONFIG_FEATURE_MODPROBE_MULTIPLE_OPTIONS +config BUSYBOX_FEATURE_MODPROBE_BLACKLIST bool - prompt "Multiple options parsing" if NITPICK - default y - depends on BB_CONFIG_MODPROBE + prompt "Blacklist support" + default n + depends on BUSYBOX_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 BUSYBOX_DEPMOD + bool "depmod" + default n + depends on !BUSYBOX_MODPROBE_SMALL help - Allow modprobe to understand more than one option to pass to - modules. + depmod generates modules.dep (and potentially modules.alias + and modules.symbols) that contain dependency information + for modprobe. - 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. +comment "Options common to multiple modutils" - Saying Y here is not a bad idea if you're not that short - on storage capacity. +config BUSYBOX_FEATURE_2_4_MODULES + bool "Support version 2.2/2.4 Linux kernels" + default n + depends on BUSYBOX_INSMOD || BUSYBOX_RMMOD || BUSYBOX_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 BB_CONFIG_FEATURE_MODPROBE_FANCY_ALIAS - bool - prompt "Fancy alias parsing" if NITPICK - default y - depends on BB_CONFIG_MODPROBE && BB_CONFIG_FEATURE_2_6_MODULES +config BUSYBOX_FEATURE_INSMOD_VERSION_CHECKING + bool "Enable module version checking" + default n + depends on BUSYBOX_FEATURE_2_4_MODULES && (BUSYBOX_INSMOD || BUSYBOX_MODPROBE) 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). + Support checking of versions for modules. This is used to + ensure that the kernel and module are made for each other. -comment "Options common to multiple modutils" - depends on BB_CONFIG_INSMOD || BB_CONFIG_RMMOD || BB_CONFIG_MODPROBE || BB_CONFIG_LSMOD +config BUSYBOX_FEATURE_INSMOD_KSYMOOPS_SYMBOLS + bool "Add module symbols to kernel symbol table" + default n + depends on BUSYBOX_FEATURE_2_4_MODULES && (BUSYBOX_INSMOD || BUSYBOX_MODPROBE) + help + By adding module symbols to the kernel symbol table, Oops messages + 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 + Oops messages from kernel modules, say N. + +config BUSYBOX_FEATURE_INSMOD_LOADINKMEM + bool "In kernel memory optimization (uClinux only)" + default n + depends on BUSYBOX_FEATURE_2_4_MODULES && (BUSYBOX_INSMOD || BUSYBOX_MODPROBE) + help + This is a special uClinux only memory optimization that lets insmod + load the specified kernel module directly into kernel space, reducing + memory usage by preventing the need for two copies of the module + being loaded into memory. -config BB_CONFIG_FEATURE_CHECK_TAINTED_MODULE - # Simulate indentation +config BUSYBOX_FEATURE_INSMOD_LOAD_MAP + bool "Enable insmod load map (-m) option" + default n + depends on BUSYBOX_FEATURE_2_4_MODULES && BUSYBOX_INSMOD + help + Enabling this, one would be able to get a load map + output on stdout. This makes kernel module debugging + easier. + If you don't plan to debug kernel modules, you + don't need this option. + +config BUSYBOX_FEATURE_INSMOD_LOAD_MAP_FULL + bool "Symbols in load map" + default y + depends on BUSYBOX_FEATURE_INSMOD_LOAD_MAP && !BUSYBOX_MODPROBE_SMALL + help + Without this option, -m will only output section + load map. With this option, -m will also output + symbols load map. + +config BUSYBOX_FEATURE_CHECK_TAINTED_MODULE bool "Support tainted module checking with new kernels" default y - depends on BB_CONFIG_INSMOD || BB_CONFIG_LSMOD + depends on !BUSYBOX_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 BB_CONFIG_FEATURE_2_4_MODULES - # Simulate indentation - bool "Support version 2.2.x to 2.4.x Linux kernels" +config BUSYBOX_FEATURE_MODUTILS_ALIAS + bool "Support for module.aliases file" default y - depends on BB_CONFIG_INSMOD || BB_CONFIG_RMMOD || BB_CONFIG_MODPROBE + depends on BUSYBOX_DEPMOD || BUSYBOX_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 -config BB_CONFIG_FEATURE_2_6_MODULES - # Simulate indentation - bool "Support version 2.6.x Linux kernels" - default y - depends on BB_CONFIG_INSMOD || BB_CONFIG_RMMOD || BB_CONFIG_MODPROBE - help - Support module loading for newer 2.6.x Linux kernels. + and aliases for logical modules names e.g.: + alias padlock_aes aes + alias aes_i586 aes + alias aes_generic aes + Say Y if unsure. -config BB_CONFIG_FEATURE_QUERY_MODULE_INTERFACE - bool +config BUSYBOX_FEATURE_MODUTILS_SYMBOLS + bool "Support for module.symbols file" default y - depends on BB_CONFIG_FEATURE_2_4_MODULES && !BB_CONFIG_FEATURE_2_6_MODULES + depends on BUSYBOX_DEPMOD || BUSYBOX_MODPROBE + help + Generate and parse modules.symbols containing aliases for + symbol_request() kernel calls, such as: + alias symbol:usb_sg_init usbcore + Say Y if unsure. endmenu - |