| 1 | # DO NOT EDIT. This file is generated from Config.src
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| 2 | #
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| 3 | # For a description of the syntax of this configuration file,
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| 4 | # see scripts/kbuild/config-language.txt.
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| 5 | #
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| 6 |
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| 7 | menu "Linux Module Utilities"
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| 8 | depends on PLATFORM_LINUX
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| 9 |
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| 10 | config MODINFO
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| 11 | bool "modinfo"
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| 12 | default y
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| 13 | help
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| 14 | Show information about a Linux Kernel module
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| 15 |
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| 16 | config MODPROBE_SMALL
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| 17 | bool "Simplified modutils"
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| 18 | default y
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| 19 | help
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| 20 | Simplified modutils.
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| 21 |
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| 22 | With this option modprobe does not require modules.dep file
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| 23 | and does not use /etc/modules.conf file.
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| 24 | It scans module files in /lib/modules/`uname -r` and
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| 25 | determines dependencies and module alias names on the fly.
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| 26 | This may make module loading slower, most notably
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| 27 | when one needs to load module by alias (this requires
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| 28 | scanning through module _bodies_).
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| 29 |
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| 30 | At the first attempt to load a module by alias modprobe
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| 31 | will try to generate modules.dep.bb file in order to speed up
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| 32 | future loads by alias. Failure to do so (read-only /lib/modules,
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| 33 | etc) is not reported, and future modprobes will be slow too.
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| 34 |
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| 35 | NB: modules.dep.bb file format is not compatible
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| 36 | with modules.dep file as created/used by standard module tools.
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| 37 |
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| 38 | Additional module parameters can be stored in
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| 39 | /etc/modules/$module_name files.
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| 40 |
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| 41 | Apart from modprobe, other utilities are also provided:
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| 42 | - insmod is an alias to modprobe
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| 43 | - rmmod is an alias to modprobe -r
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| 44 | - depmod generates modules.dep.bb
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| 45 |
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| 46 | As of 2008-07, this code is experimental. It is 14kb smaller
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| 47 | than "non-small" modutils.
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| 48 |
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| 49 | config FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE
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| 50 | bool "Accept module options on modprobe command line"
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| 51 | default y
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| 52 | depends on MODPROBE_SMALL
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| 53 | help
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| 54 | Allow insmod and modprobe take module options from command line.
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| 55 |
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| 56 | config FEATURE_MODPROBE_SMALL_CHECK_ALREADY_LOADED
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| 57 | bool "Skip loading of already loaded modules"
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| 58 | default y
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| 59 | depends on MODPROBE_SMALL
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| 60 | help
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| 61 | Check if the module is already loaded.
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| 62 |
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| 63 | config INSMOD
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| 64 | bool "insmod"
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| 65 | default n
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| 66 | depends on !MODPROBE_SMALL
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| 67 | help
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| 68 | insmod is used to load specified modules in the running kernel.
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| 69 |
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| 70 | config RMMOD
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| 71 | bool "rmmod"
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| 72 | default n
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| 73 | depends on !MODPROBE_SMALL
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| 74 | help
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| 75 | rmmod is used to unload specified modules from the kernel.
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| 76 |
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| 77 | config LSMOD
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| 78 | bool "lsmod"
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| 79 | default n
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| 80 | depends on !MODPROBE_SMALL
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| 81 | help
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| 82 | lsmod is used to display a list of loaded modules.
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| 83 |
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| 84 | config FEATURE_LSMOD_PRETTY_2_6_OUTPUT
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| 85 | bool "Pretty output"
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| 86 | default n
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| 87 | depends on LSMOD
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| 88 | help
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| 89 | This option makes output format of lsmod adjusted to
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| 90 | the format of module-init-tools for Linux kernel 2.6.
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| 91 | Increases size somewhat.
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| 92 |
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| 93 | config MODPROBE
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| 94 | bool "modprobe"
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| 95 | default n
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| 96 | depends on !MODPROBE_SMALL
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| 97 | help
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| 98 | Handle the loading of modules, and their dependencies on a high
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| 99 | level.
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| 100 |
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| 101 | config FEATURE_MODPROBE_BLACKLIST
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| 102 | bool "Blacklist support"
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| 103 | default n
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| 104 | depends on MODPROBE
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| 105 | help
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| 106 | Say 'y' here to enable support for the 'blacklist' command in
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| 107 | modprobe.conf. This prevents the alias resolver to resolve
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| 108 | blacklisted modules. This is useful if you want to prevent your
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| 109 | hardware autodetection scripts to load modules like evdev, frame
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| 110 | buffer drivers etc.
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| 111 |
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| 112 | config DEPMOD
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| 113 | bool "depmod"
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| 114 | default n
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| 115 | depends on !MODPROBE_SMALL
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| 116 | help
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| 117 | depmod generates modules.dep (and potentially modules.alias
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| 118 | and modules.symbols) that contain dependency information
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| 119 | for modprobe.
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| 120 |
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| 121 | comment "Options common to multiple modutils"
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| 122 |
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| 123 | config FEATURE_2_4_MODULES
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| 124 | bool "Support version 2.2/2.4 Linux kernels"
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| 125 | default n
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| 126 | depends on INSMOD || RMMOD || LSMOD
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| 127 | help
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| 128 | Support module loading for 2.2.x and 2.4.x Linux kernels.
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| 129 | This increases size considerably. Say N unless you plan
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| 130 | to run ancient kernels.
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| 131 |
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| 132 | config FEATURE_INSMOD_TRY_MMAP
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| 133 | bool "Try to load module from a mmap'ed area"
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| 134 | default n
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| 135 | depends on INSMOD || MODPROBE_SMALL
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| 136 | help
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| 137 | This option causes module loading code to try to mmap
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| 138 | module first. If it does not work (for example,
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| 139 | it does not work for compressed modules), module will be read
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| 140 | (and unpacked if needed) into a memory block allocated by malloc.
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| 141 |
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| 142 | The only case when mmap works but malloc does not is when
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| 143 | you are trying to load a big module on a very memory-constrained
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| 144 | machine. Malloc will momentarily need 2x as much memory as mmap.
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| 145 |
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| 146 | Choosing N saves about 250 bytes of code (on 32-bit x86).
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| 147 |
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| 148 | config FEATURE_INSMOD_VERSION_CHECKING
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| 149 | bool "Enable module version checking"
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| 150 | default n
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| 151 | depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
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| 152 | help
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| 153 | Support checking of versions for modules. This is used to
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| 154 | ensure that the kernel and module are made for each other.
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| 155 |
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| 156 | config FEATURE_INSMOD_KSYMOOPS_SYMBOLS
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| 157 | bool "Add module symbols to kernel symbol table"
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| 158 | default n
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| 159 | depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
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| 160 | help
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| 161 | By adding module symbols to the kernel symbol table, Oops messages
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| 162 | occuring within kernel modules can be properly debugged. By enabling
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| 163 | this feature, module symbols will always be added to the kernel symbol
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| 164 | table for proper debugging support. If you are not interested in
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| 165 | Oops messages from kernel modules, say N.
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| 166 |
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| 167 | config FEATURE_INSMOD_LOADINKMEM
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| 168 | bool "In kernel memory optimization (uClinux only)"
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| 169 | default n
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| 170 | depends on FEATURE_2_4_MODULES && (INSMOD || MODPROBE)
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| 171 | help
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| 172 | This is a special uClinux only memory optimization that lets insmod
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| 173 | load the specified kernel module directly into kernel space, reducing
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| 174 | memory usage by preventing the need for two copies of the module
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| 175 | being loaded into memory.
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| 176 |
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| 177 | config FEATURE_INSMOD_LOAD_MAP
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| 178 | bool "Enable insmod load map (-m) option"
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| 179 | default n
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| 180 | depends on FEATURE_2_4_MODULES && INSMOD
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| 181 | help
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| 182 | Enabling this, one would be able to get a load map
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| 183 | output on stdout. This makes kernel module debugging
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| 184 | easier.
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| 185 | If you don't plan to debug kernel modules, you
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| 186 | don't need this option.
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| 187 |
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| 188 | config FEATURE_INSMOD_LOAD_MAP_FULL
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| 189 | bool "Symbols in load map"
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| 190 | default y
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| 191 | depends on FEATURE_INSMOD_LOAD_MAP && !MODPROBE_SMALL
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| 192 | help
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| 193 | Without this option, -m will only output section
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| 194 | load map. With this option, -m will also output
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| 195 | symbols load map.
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| 196 |
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| 197 | config FEATURE_CHECK_TAINTED_MODULE
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| 198 | bool "Support tainted module checking with new kernels"
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| 199 | default y
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| 200 | depends on (LSMOD || FEATURE_2_4_MODULES) && !MODPROBE_SMALL
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| 201 | help
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| 202 | Support checking for tainted modules. These are usually binary
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| 203 | only modules that will make the linux-kernel list ignore your
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| 204 | support request.
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| 205 | This option is required to support GPLONLY modules.
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| 206 |
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| 207 | config FEATURE_MODUTILS_ALIAS
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| 208 | bool "Support for module.aliases file"
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| 209 | default y
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| 210 | depends on DEPMOD || MODPROBE
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| 211 | help
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| 212 | Generate and parse modules.alias containing aliases for bus
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| 213 | identifiers:
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| 214 | alias pcmcia:m*c*f03fn*pfn*pa*pb*pc*pd* parport_cs
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| 215 |
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| 216 | and aliases for logical modules names e.g.:
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| 217 | alias padlock_aes aes
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| 218 | alias aes_i586 aes
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| 219 | alias aes_generic aes
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| 220 |
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| 221 | Say Y if unsure.
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| 222 |
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| 223 | config FEATURE_MODUTILS_SYMBOLS
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| 224 | bool "Support for module.symbols file"
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| 225 | default y
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| 226 | depends on DEPMOD || MODPROBE
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| 227 | help
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| 228 | Generate and parse modules.symbols containing aliases for
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| 229 | symbol_request() kernel calls, such as:
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| 230 | alias symbol:usb_sg_init usbcore
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| 231 |
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| 232 | Say Y if unsure.
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| 233 |
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| 234 | config DEFAULT_MODULES_DIR
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| 235 | string "Default directory containing modules"
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| 236 | default "/lib/modules"
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| 237 | depends on DEPMOD || MODPROBE || MODPROBE_SMALL || MODINFO
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| 238 | help
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| 239 | Directory that contains kernel modules.
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| 240 | Defaults to "/lib/modules"
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| 241 |
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| 242 | config DEFAULT_DEPMOD_FILE
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| 243 | string "Default name of modules.dep"
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| 244 | default "modules.dep"
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| 245 | depends on DEPMOD || MODPROBE || MODPROBE_SMALL || MODINFO
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| 246 | help
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| 247 | Filename that contains kernel modules dependencies.
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| 248 | Defaults to "modules.dep"
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| 249 |
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| 250 | endmenu
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