diff options
Diffstat (limited to 'package/busybox/config/modutils')
| -rw-r--r-- | package/busybox/config/modutils/Config.in | 72 |
1 files changed, 63 insertions, 9 deletions
diff --git a/package/busybox/config/modutils/Config.in b/package/busybox/config/modutils/Config.in index 63a3f71..be141d9 100644 --- a/package/busybox/config/modutils/Config.in +++ b/package/busybox/config/modutils/Config.in @@ -5,14 +5,64 @@ menu "Linux Module Utilities" +config BUSYBOX_CONFIG_MODPROBE_SMALL + bool "Simplified modutils" + default n + help + Simplified modutils. + + 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_CONFIG_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE + bool "Accept module options on modprobe command line" + default n + depends on BUSYBOX_CONFIG_MODPROBE_SMALL + help + Allow insmod and modprobe take module options from command line. + N.B. Very bloaty. + +config BUSYBOX_CONFIG_FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED + bool "Skip loading of already loaded modules" + default n + depends on BUSYBOX_CONFIG_MODPROBE_SMALL + help + Check if the module is already loaded. + N.B. It's racy. + config BUSYBOX_CONFIG_DEPMOD bool "depmod" default n + depends on !BUSYBOX_CONFIG_MODPROBE_SMALL help depmod generates modules.dep (FIXME: elaborate) config BUSYBOX_CONFIG_FEATURE_DEPMOD_PRUNE_FANCY - bool "fancy dependency pruning" + bool "Fancy dependency pruning" default n depends on BUSYBOX_CONFIG_DEPMOD help @@ -26,7 +76,7 @@ config BUSYBOX_CONFIG_FEATURE_DEPMOD_PRUNE_FANCY If unsure, say N. config BUSYBOX_CONFIG_FEATURE_DEPMOD_ALIAS - bool "alias support" + bool "Alias support" default n depends on BUSYBOX_CONFIG_DEPMOD help @@ -38,6 +88,7 @@ config BUSYBOX_CONFIG_FEATURE_DEPMOD_ALIAS config BUSYBOX_CONFIG_INSMOD bool "insmod" default y + depends on !BUSYBOX_CONFIG_MODPROBE_SMALL help insmod is used to load specified modules in the running kernel. @@ -46,7 +97,7 @@ config BUSYBOX_CONFIG_FEATURE_INSMOD_VERSION_CHECKING default n depends on BUSYBOX_CONFIG_INSMOD && BUSYBOX_CONFIG_FEATURE_2_4_MODULES 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 BUSYBOX_CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS @@ -55,9 +106,9 @@ config BUSYBOX_CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS depends on BUSYBOX_CONFIG_INSMOD && BUSYBOX_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 + 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 properly debugging support. If you are not interested in Oops messages from kernel modules, say N. config BUSYBOX_CONFIG_FEATURE_INSMOD_LOADINKMEM @@ -87,18 +138,20 @@ config BUSYBOX_CONFIG_FEATURE_INSMOD_LOAD_MAP_FULL depends on BUSYBOX_CONFIG_FEATURE_INSMOD_LOAD_MAP 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 BUSYBOX_CONFIG_RMMOD bool "rmmod" default y + depends on !BUSYBOX_CONFIG_MODPROBE_SMALL help rmmod is used to unload specified modules from the kernel. config BUSYBOX_CONFIG_LSMOD bool "lsmod" default y + depends on !BUSYBOX_CONFIG_MODPROBE_SMALL help lsmod is used to display a list of loaded modules. @@ -113,6 +166,7 @@ config BUSYBOX_CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT config BUSYBOX_CONFIG_MODPROBE bool "modprobe" default n + depends on !BUSYBOX_CONFIG_MODPROBE_SMALL help Handle the loading of modules, and their dependencies on a high level. @@ -168,7 +222,7 @@ config BUSYBOX_CONFIG_FEATURE_CHECK_TAINTED_MODULE default y depends on BUSYBOX_CONFIG_INSMOD || BUSYBOX_CONFIG_LSMOD 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. @@ -196,7 +250,7 @@ config BUSYBOX_CONFIG_DEFAULT_MODULES_DIR # Simulate indentation string "Default directory containing modules" default "/lib/modules" - depends on BUSYBOX_CONFIG_INSMOD || BUSYBOX_CONFIG_RMMOD || BUSYBOX_CONFIG_MODPROBE || BUSYBOX_CONFIG_DEPMOD + depends on BUSYBOX_CONFIG_INSMOD || BUSYBOX_CONFIG_RMMOD || BUSYBOX_CONFIG_MODPROBE || BUSYBOX_CONFIG_MODPROBE_SMALL || BUSYBOX_CONFIG_DEPMOD help Directory that contains kernel modules. Defaults to "/lib/modules" @@ -205,7 +259,7 @@ config BUSYBOX_CONFIG_DEFAULT_DEPMOD_FILE # Simulate indentation string "Default name of modules.dep" default "modules.dep" - depends on BUSYBOX_CONFIG_INSMOD || BUSYBOX_CONFIG_RMMOD || BUSYBOX_CONFIG_MODPROBE || BUSYBOX_CONFIG_DEPMOD + depends on BUSYBOX_CONFIG_INSMOD || BUSYBOX_CONFIG_RMMOD || BUSYBOX_CONFIG_MODPROBE || BUSYBOX_CONFIG_MODPROBE_SMALL || BUSYBOX_CONFIG_DEPMOD help Filename that contains kernel modules dependencies. Defaults to "modules.dep" |