| 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 "Busybox Library Tuning"
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| 8 |
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| 9 |
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| 10 |
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| 11 | config PASSWORD_MINLEN
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| 12 | int "Minimum password length"
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| 13 | default 6
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| 14 | range 5 32
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| 15 | help
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| 16 | Minimum allowable password length.
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| 17 |
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| 18 | config MD5_SIZE_VS_SPEED
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| 19 | int "MD5: Trade bytes for speed (0:fast, 3:slow)"
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| 20 | default 2
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| 21 | range 0 3
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| 22 | help
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| 23 | Trade binary size versus speed for the md5sum algorithm.
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| 24 | Approximate values running uClibc and hashing
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| 25 | linux-2.4.4.tar.bz2 were:
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| 26 | user times (sec) text size (386)
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| 27 | 0 (fastest) 1.1 6144
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| 28 | 1 1.4 5392
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| 29 | 2 3.0 5088
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| 30 | 3 (smallest) 5.1 4912
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| 31 |
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| 32 | config FEATURE_FAST_TOP
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| 33 | bool "Faster /proc scanning code (+100 bytes)"
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| 34 | default y
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| 35 | help
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| 36 | This option makes top (and ps) ~20% faster (or 20% less CPU hungry),
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| 37 | but code size is slightly bigger.
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| 38 |
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| 39 | config FEATURE_ETC_NETWORKS
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| 40 | bool "Support for /etc/networks"
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| 41 | default n
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| 42 | help
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| 43 | Enable support for network names in /etc/networks. This is
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| 44 | a rarely used feature which allows you to use names
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| 45 | instead of IP/mask pairs in route command.
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| 46 |
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| 47 | config FEATURE_USE_TERMIOS
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| 48 | bool "Use termios to manipulate the screen"
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| 49 | default y
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| 50 | depends on MORE || TOP || POWERTOP
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| 51 | help
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| 52 | This option allows utilities such as 'more' and 'top' to determine
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| 53 | the size of the screen. If you leave this disabled, your utilities
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| 54 | that display things on the screen will be especially primitive and
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| 55 | will be unable to determine the current screen size, and will be
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| 56 | unable to move the cursor.
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| 57 |
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| 58 | config FEATURE_EDITING
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| 59 | bool "Command line editing"
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| 60 | default y
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| 61 | help
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| 62 | Enable line editing (mainly for shell command line).
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| 63 |
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| 64 | config FEATURE_EDITING_MAX_LEN
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| 65 | int "Maximum length of input"
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| 66 | range 128 8192
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| 67 | default 1024
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| 68 | depends on FEATURE_EDITING
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| 69 | help
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| 70 | Line editing code uses on-stack buffers for storage.
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| 71 | You may want to decrease this parameter if your target machine
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| 72 | benefits from smaller stack usage.
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| 73 |
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| 74 | config FEATURE_EDITING_VI
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| 75 | bool "vi-style line editing commands"
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| 76 | default n
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| 77 | depends on FEATURE_EDITING
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| 78 | help
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| 79 | Enable vi-style line editing. In shells, this mode can be
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| 80 | turned on and off with "set -o vi" and "set +o vi".
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| 81 |
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| 82 | config FEATURE_EDITING_HISTORY
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| 83 | int "History size"
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| 84 | range 0 99999
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| 85 | default 255
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| 86 | depends on FEATURE_EDITING
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| 87 | help
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| 88 | Specify command history size.
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| 89 |
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| 90 | config FEATURE_EDITING_SAVEHISTORY
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| 91 | bool "History saving"
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| 92 | default y
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| 93 | depends on FEATURE_EDITING
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| 94 | help
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| 95 | Enable history saving in shells.
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| 96 |
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| 97 | config FEATURE_TAB_COMPLETION
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| 98 | bool "Tab completion"
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| 99 | default y
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| 100 | depends on FEATURE_EDITING
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| 101 | help
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| 102 | Enable tab completion.
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| 103 |
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| 104 | config FEATURE_USERNAME_COMPLETION
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| 105 | bool "Username completion"
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| 106 | default n
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| 107 | depends on FEATURE_TAB_COMPLETION
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| 108 | help
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| 109 | Enable username completion.
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| 110 |
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| 111 | config FEATURE_EDITING_FANCY_PROMPT
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| 112 | bool "Fancy shell prompts"
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| 113 | default y
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| 114 | depends on FEATURE_EDITING
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| 115 | help
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| 116 | Setting this option allows for prompts to use things like \w and
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| 117 | \$ and escape codes.
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| 118 |
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| 119 | config FEATURE_EDITING_ASK_TERMINAL
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| 120 | bool "Query cursor position from terminal"
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| 121 | default n
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| 122 | depends on FEATURE_EDITING
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| 123 | help
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| 124 | Allow usage of "ESC [ 6 n" sequence. Terminal answers back with
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| 125 | current cursor position. This information is used to make line
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| 126 | editing more robust in some cases.
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| 127 | If you are not sure whether your terminals respond to this code
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| 128 | correctly, or want to save on code size (about 400 bytes),
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| 129 | then do not turn this option on.
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| 130 |
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| 131 | config FEATURE_NON_POSIX_CP
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| 132 | bool "Non-POSIX, but safer, copying to special nodes"
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| 133 | default y
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| 134 | help
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| 135 | With this option, "cp file symlink" will delete symlink
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| 136 | and create a regular file. This does not conform to POSIX,
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| 137 | but prevents a symlink attack.
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| 138 | Similarly, "cp file device" will not send file's data
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| 139 | to the device.
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| 140 |
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| 141 | config FEATURE_VERBOSE_CP_MESSAGE
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| 142 | bool "Give more precise messages when copy fails (cp, mv etc)"
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| 143 | default n
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| 144 | help
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| 145 | Error messages with this feature enabled:
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| 146 | $ cp file /does_not_exist/file
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| 147 | cp: cannot create '/does_not_exist/file': Path does not exist
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| 148 | $ cp file /vmlinuz/file
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| 149 | cp: cannot stat '/vmlinuz/file': Path has non-directory component
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| 150 | If this feature is not enabled, they will be, respectively:
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| 151 | cp: cannot create '/does_not_exist/file': No such file or directory
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| 152 | cp: cannot stat '/vmlinuz/file': Not a directory
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| 153 | This will cost you ~60 bytes.
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| 154 |
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| 155 | config FEATURE_COPYBUF_KB
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| 156 | int "Copy buffer size, in kilobytes"
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| 157 | range 1 1024
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| 158 | default 4
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| 159 | help
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| 160 | Size of buffer used by cp, mv, install etc.
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| 161 | Buffers which are 4 kb or less will be allocated on stack.
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| 162 | Bigger buffers will be allocated with mmap, with fallback to 4 kb
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| 163 | stack buffer if mmap fails.
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| 164 |
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| 165 | config MONOTONIC_SYSCALL
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| 166 | bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
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| 167 | default n
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| 168 | depends on PLATFORM_LINUX
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| 169 | help
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| 170 | Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
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| 171 | time intervals (time, ping, traceroute etc need this).
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| 172 | Probably requires Linux 2.6+. If not selected, gettimeofday
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| 173 | will be used instead (which gives wrong results if date/time
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| 174 | is reset).
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| 175 |
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| 176 | config IOCTL_HEX2STR_ERROR
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| 177 | bool "Use ioctl names rather than hex values in error messages"
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| 178 | default y
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| 179 | help
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| 180 | Use ioctl names rather than hex values in error messages
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| 181 | (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this
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| 182 | saves about 1400 bytes.
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| 183 |
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| 184 | config FEATURE_HWIB
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| 185 | bool "Support infiniband HW"
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| 186 | default y
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| 187 | help
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| 188 | Support for printing infiniband addresses in
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| 189 | network applets.
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| 190 |
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| 191 | endmenu
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