diff options
Diffstat (limited to 'modutils/modprobe-small.c')
| -rw-r--r-- | modutils/modprobe-small.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c index a47e522..51ba42f 100644 --- a/modutils/modprobe-small.c +++ b/modutils/modprobe-small.c @@ -7,6 +7,51 @@ * * Licensed under GPLv2, see file LICENSE in this source tree. */ +//config:config MODPROBE_SMALL +//config: bool "Simplified modutils" +//config: default y +//config: select PLATFORM_LINUX +//config: help +//config: Simplified modutils. +//config: +//config: With this option modprobe does not require modules.dep file +//config: and does not use /etc/modules.conf file. +//config: It scans module files in /lib/modules/`uname -r` and +//config: determines dependencies and module alias names on the fly. +//config: This may make module loading slower, most notably +//config: when one needs to load module by alias (this requires +//config: scanning through module _bodies_). +//config: +//config: At the first attempt to load a module by alias modprobe +//config: will try to generate modules.dep.bb file in order to speed up +//config: future loads by alias. Failure to do so (read-only /lib/modules, +//config: etc) is not reported, and future modprobes will be slow too. +//config: +//config: NB: modules.dep.bb file format is not compatible +//config: with modules.dep file as created/used by standard module tools. +//config: +//config: Additional module parameters can be stored in +//config: /etc/modules/$module_name files. +//config: +//config: Apart from modprobe, other utilities are also provided: +//config: - insmod is an alias to modprobe +//config: - rmmod is an alias to modprobe -r +//config: - depmod generates modules.dep.bb +//config: +//config:config FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE +//config: bool "Accept module options on modprobe command line" +//config: default y +//config: depends on MODPROBE_SMALL +//config: select PLATFORM_LINUX +//config: help +//config: Allow insmod and modprobe take module options from command line. +//config: +//config:config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED +//config: bool "Skip loading of already loaded modules" +//config: default y +//config: depends on MODPROBE_SMALL +//config: help +//config: Check if the module is already loaded. //applet:IF_MODPROBE_SMALL(APPLET(modprobe, BB_DIR_SBIN, BB_SUID_DROP)) //applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(depmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, depmod)) @@ -14,6 +59,8 @@ //applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, lsmod)) //applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(rmmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, rmmod)) +//kbuild:lib-$(CONFIG_MODPROBE_SMALL) += modprobe-small.o + #include "libbb.h" /* After libbb.h, since it needs sys/types.h on some systems */ #include <sys/utsname.h> /* uname() */ |