| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # | 
 | 2 | # Library configuration | 
 | 3 | # | 
 | 4 |  | 
| Lai Jiangshan | 4370aa4 | 2009-03-06 17:21:46 +0100 | [diff] [blame] | 5 | config BINARY_PRINTF | 
 | 6 | 	def_bool n | 
 | 7 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | menu "Library routines" | 
 | 9 |  | 
| David Woodhouse | f5e70d0 | 2009-07-13 11:35:12 +0100 | [diff] [blame] | 10 | config RAID6_PQ | 
 | 11 | 	tristate | 
 | 12 |  | 
| Akinobu Mita | a5cfc1e | 2006-12-08 02:36:25 -0800 | [diff] [blame] | 13 | config BITREVERSE | 
 | 14 | 	tristate | 
 | 15 |  | 
| Oskar Schirmer | 8759ef3 | 2009-06-11 14:51:15 +0100 | [diff] [blame] | 16 | config RATIONAL | 
 | 17 | 	boolean | 
 | 18 |  | 
| Alexander van Heukelum | 19870de | 2008-04-25 13:12:53 +0200 | [diff] [blame] | 19 | config GENERIC_FIND_FIRST_BIT | 
| Jan Beulich | 9ba1608 | 2008-10-15 22:01:38 -0700 | [diff] [blame] | 20 | 	bool | 
| Alexander van Heukelum | 19870de | 2008-04-25 13:12:53 +0200 | [diff] [blame] | 21 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | config CRC_CCITT | 
 | 23 | 	tristate "CRC-CCITT functions" | 
 | 24 | 	help | 
 | 25 | 	  This option is provided for the case where no in-kernel-tree | 
 | 26 | 	  modules require CRC-CCITT functions, but a module built outside | 
 | 27 | 	  the kernel tree does. Such modules that use library CRC-CCITT | 
 | 28 | 	  functions require M here. | 
 | 29 |  | 
| Evgeniy Polyakov | 7657ec1 | 2005-08-17 15:17:26 +0400 | [diff] [blame] | 30 | config CRC16 | 
 | 31 | 	tristate "CRC16 functions" | 
 | 32 | 	help | 
 | 33 | 	  This option is provided for the case where no in-kernel-tree | 
 | 34 | 	  modules require CRC16 functions, but a module built outside | 
 | 35 | 	  the kernel tree does. Such modules that use library CRC16 | 
 | 36 | 	  functions require M here. | 
 | 37 |  | 
| Martin K. Petersen | f11f594 | 2008-06-25 11:22:42 -0400 | [diff] [blame] | 38 | config CRC_T10DIF | 
 | 39 | 	tristate "CRC calculation for the T10 Data Integrity Field" | 
 | 40 | 	help | 
 | 41 | 	  This option is only needed if a module that's not in the | 
 | 42 | 	  kernel tree needs to calculate CRC checks for use with the | 
 | 43 | 	  SCSI data integrity subsystem. | 
 | 44 |  | 
| Ivo van Doorn | 3e7cbae | 2006-06-12 16:17:04 +0200 | [diff] [blame] | 45 | config CRC_ITU_T | 
 | 46 | 	tristate "CRC ITU-T V.41 functions" | 
 | 47 | 	help | 
 | 48 | 	  This option is provided for the case where no in-kernel-tree | 
 | 49 | 	  modules require CRC ITU-T V.41 functions, but a module built outside | 
 | 50 | 	  the kernel tree does. Such modules that use library CRC ITU-T V.41 | 
 | 51 | 	  functions require M here. | 
 | 52 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | config CRC32 | 
 | 54 | 	tristate "CRC32 functions" | 
 | 55 | 	default y | 
| Akinobu Mita | 906d66d | 2006-12-08 02:36:25 -0800 | [diff] [blame] | 56 | 	select BITREVERSE | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | 	help | 
 | 58 | 	  This option is provided for the case where no in-kernel-tree | 
 | 59 | 	  modules require CRC32 functions, but a module built outside the | 
 | 60 | 	  kernel tree does. Such modules that use library CRC32 functions | 
 | 61 | 	  require M here. | 
 | 62 |  | 
| Jan Nikitenko | ad24152 | 2007-07-17 04:04:03 -0700 | [diff] [blame] | 63 | config CRC7 | 
 | 64 | 	tristate "CRC7 functions" | 
 | 65 | 	help | 
 | 66 | 	  This option is provided for the case where no in-kernel-tree | 
 | 67 | 	  modules require CRC7 functions, but a module built outside | 
 | 68 | 	  the kernel tree does. Such modules that use library CRC7 | 
 | 69 | 	  functions require M here. | 
 | 70 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | config LIBCRC32C | 
 | 72 | 	tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check" | 
| Herbert Xu | 9302735 | 2008-11-13 22:05:13 +0800 | [diff] [blame] | 73 | 	select CRYPTO | 
| Herbert Xu | 69c35ef | 2008-11-07 15:11:47 +0800 | [diff] [blame] | 74 | 	select CRYPTO_CRC32C | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | 	help | 
 | 76 | 	  This option is provided for the case where no in-kernel-tree | 
 | 77 | 	  modules require CRC32c functions, but a module built outside the | 
 | 78 | 	  kernel tree does. Such modules that use library CRC32c functions | 
 | 79 | 	  require M here.  See Castagnoli93. | 
 | 80 | 	  Module will be libcrc32c. | 
 | 81 |  | 
| Al Viro | e65e1fc | 2006-09-12 03:04:40 -0400 | [diff] [blame] | 82 | config AUDIT_GENERIC | 
 | 83 | 	bool | 
 | 84 | 	depends on AUDIT && !AUDIT_ARCH | 
 | 85 | 	default y | 
 | 86 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | # | 
 | 88 | # compression support is select'ed if needed | 
 | 89 | # | 
 | 90 | config ZLIB_INFLATE | 
 | 91 | 	tristate | 
 | 92 |  | 
 | 93 | config ZLIB_DEFLATE | 
 | 94 | 	tristate | 
 | 95 |  | 
| Richard Purdie | 64c70b1 | 2007-07-10 17:22:24 -0700 | [diff] [blame] | 96 | config LZO_COMPRESS | 
 | 97 | 	tristate | 
 | 98 |  | 
 | 99 | config LZO_DECOMPRESS | 
 | 100 | 	tristate | 
 | 101 |  | 
| Lasse Collin | 24fa040 | 2011-01-12 17:01:22 -0800 | [diff] [blame] | 102 | source "lib/xz/Kconfig" | 
 | 103 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | # | 
| H. Peter Anvin | c8531ab | 2009-01-05 13:48:31 -0800 | [diff] [blame] | 105 | # These all provide a common interface (hence the apparent duplication with | 
 | 106 | # ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.) | 
 | 107 | # | 
 | 108 | config DECOMPRESS_GZIP | 
| H. Peter Anvin | 7856a16e | 2009-01-07 00:01:43 -0800 | [diff] [blame] | 109 | 	select ZLIB_INFLATE | 
| H. Peter Anvin | c8531ab | 2009-01-05 13:48:31 -0800 | [diff] [blame] | 110 | 	tristate | 
 | 111 |  | 
 | 112 | config DECOMPRESS_BZIP2 | 
 | 113 | 	tristate | 
 | 114 |  | 
 | 115 | config DECOMPRESS_LZMA | 
 | 116 | 	tristate | 
 | 117 |  | 
| Lasse Collin | 3ebe124 | 2011-01-12 17:01:23 -0800 | [diff] [blame] | 118 | config DECOMPRESS_XZ | 
 | 119 | 	select XZ_DEC | 
 | 120 | 	tristate | 
 | 121 |  | 
| Albin Tonnerre | cacb246 | 2010-01-08 14:42:46 -0800 | [diff] [blame] | 122 | config DECOMPRESS_LZO | 
 | 123 | 	select LZO_DECOMPRESS | 
 | 124 | 	tristate | 
 | 125 |  | 
| H. Peter Anvin | c8531ab | 2009-01-05 13:48:31 -0800 | [diff] [blame] | 126 | # | 
| Jes Sorensen | f14f75b | 2005-06-21 17:15:02 -0700 | [diff] [blame] | 127 | # Generic allocator support is selected if needed | 
 | 128 | # | 
 | 129 | config GENERIC_ALLOCATOR | 
 | 130 | 	boolean | 
 | 131 |  | 
 | 132 | # | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | # reed solomon support is select'ed if needed | 
 | 134 | # | 
 | 135 | config REED_SOLOMON | 
 | 136 | 	tristate | 
 | 137 | 	 | 
 | 138 | config REED_SOLOMON_ENC8 | 
 | 139 | 	boolean | 
 | 140 |  | 
 | 141 | config REED_SOLOMON_DEC8 | 
 | 142 | 	boolean | 
 | 143 |  | 
 | 144 | config REED_SOLOMON_ENC16 | 
 | 145 | 	boolean | 
 | 146 |  | 
 | 147 | config REED_SOLOMON_DEC16 | 
 | 148 | 	boolean | 
 | 149 |  | 
| David S. Miller | f770434 | 2005-06-24 17:39:03 -0700 | [diff] [blame] | 150 | # | 
| Ivan Djelic | 437aa56 | 2011-03-11 11:05:32 +0100 | [diff] [blame] | 151 | # BCH support is selected if needed | 
 | 152 | # | 
 | 153 | config BCH | 
 | 154 | 	tristate | 
 | 155 |  | 
 | 156 | config BCH_CONST_PARAMS | 
 | 157 | 	boolean | 
 | 158 | 	help | 
 | 159 | 	  Drivers may select this option to force specific constant | 
 | 160 | 	  values for parameters 'm' (Galois field order) and 't' | 
 | 161 | 	  (error correction capability). Those specific values must | 
 | 162 | 	  be set by declaring default values for symbols BCH_CONST_M | 
 | 163 | 	  and BCH_CONST_T. | 
 | 164 | 	  Doing so will enable extra compiler optimizations, | 
 | 165 | 	  improving encoding and decoding performance up to 2x for | 
 | 166 | 	  usual (m,t) values (typically such that m*t < 200). | 
 | 167 | 	  When this option is selected, the BCH library supports | 
 | 168 | 	  only a single (m,t) configuration. This is mainly useful | 
 | 169 | 	  for NAND flash board drivers requiring known, fixed BCH | 
 | 170 | 	  parameters. | 
 | 171 |  | 
 | 172 | config BCH_CONST_M | 
 | 173 | 	int | 
 | 174 | 	range 5 15 | 
 | 175 | 	help | 
 | 176 | 	  Constant value for Galois field order 'm'. If 'k' is the | 
 | 177 | 	  number of data bits to protect, 'm' should be chosen such | 
 | 178 | 	  that (k + m*t) <= 2**m - 1. | 
 | 179 | 	  Drivers should declare a default value for this symbol if | 
 | 180 | 	  they select option BCH_CONST_PARAMS. | 
 | 181 |  | 
 | 182 | config BCH_CONST_T | 
 | 183 | 	int | 
 | 184 | 	help | 
 | 185 | 	  Constant value for error correction capability in bits 't'. | 
 | 186 | 	  Drivers should declare a default value for this symbol if | 
 | 187 | 	  they select option BCH_CONST_PARAMS. | 
 | 188 |  | 
 | 189 | # | 
| David S. Miller | f770434 | 2005-06-24 17:39:03 -0700 | [diff] [blame] | 190 | # Textsearch support is select'ed if needed | 
 | 191 | # | 
| Thomas Graf | 2de4ff7 | 2005-06-23 20:49:30 -0700 | [diff] [blame] | 192 | config TEXTSEARCH | 
| David S. Miller | f770434 | 2005-06-24 17:39:03 -0700 | [diff] [blame] | 193 | 	boolean | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 |  | 
| Thomas Graf | df3fb93 | 2005-06-23 20:58:37 -0700 | [diff] [blame] | 195 | config TEXTSEARCH_KMP | 
| David S. Miller | f770434 | 2005-06-24 17:39:03 -0700 | [diff] [blame] | 196 | 	tristate | 
| Thomas Graf | df3fb93 | 2005-06-23 20:58:37 -0700 | [diff] [blame] | 197 |  | 
| Pablo Neira Ayuso | 8082e4e | 2005-08-25 16:12:22 -0700 | [diff] [blame] | 198 | config TEXTSEARCH_BM | 
| David S. Miller | 29cb9f9 | 2005-08-25 16:23:11 -0700 | [diff] [blame] | 199 | 	tristate | 
| Pablo Neira Ayuso | 8082e4e | 2005-08-25 16:12:22 -0700 | [diff] [blame] | 200 |  | 
| Thomas Graf | 6408f79 | 2005-06-23 20:59:16 -0700 | [diff] [blame] | 201 | config TEXTSEARCH_FSM | 
| David S. Miller | f770434 | 2005-06-24 17:39:03 -0700 | [diff] [blame] | 202 | 	tristate | 
| Thomas Graf | 6408f79 | 2005-06-23 20:59:16 -0700 | [diff] [blame] | 203 |  | 
| Joern Engel | 5db53f3 | 2009-11-20 20:13:39 +0100 | [diff] [blame] | 204 | config BTREE | 
 | 205 | 	boolean | 
 | 206 |  | 
| Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 207 | config HAS_IOMEM | 
| Al Viro | ee36c2b | 2006-12-13 00:35:00 -0800 | [diff] [blame] | 208 | 	boolean | 
| Al Viro | 5ea8176 | 2007-02-11 15:41:31 +0000 | [diff] [blame] | 209 | 	depends on !NO_IOMEM | 
 | 210 | 	default y | 
 | 211 |  | 
 | 212 | config HAS_IOPORT | 
 | 213 | 	boolean | 
 | 214 | 	depends on HAS_IOMEM && !NO_IOPORT | 
| Al Viro | ee36c2b | 2006-12-13 00:35:00 -0800 | [diff] [blame] | 215 | 	default y | 
 | 216 |  | 
| Heiko Carstens | 411f0f3 | 2007-05-06 14:49:09 -0700 | [diff] [blame] | 217 | config HAS_DMA | 
 | 218 | 	boolean | 
 | 219 | 	depends on !NO_DMA | 
 | 220 | 	default y | 
 | 221 |  | 
| Geert Uytterhoeven | 928923c | 2007-08-22 14:01:36 -0700 | [diff] [blame] | 222 | config CHECK_SIGNATURE | 
 | 223 | 	bool | 
 | 224 |  | 
| Rusty Russell | aab46da | 2008-12-13 21:20:27 +1030 | [diff] [blame] | 225 | config CPUMASK_OFFSTACK | 
 | 226 | 	bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS | 
 | 227 | 	help | 
 | 228 | 	  Use dynamic allocation for cpumask_var_t, instead of putting | 
 | 229 | 	  them on the stack.  This is a bit more expensive, but avoids | 
 | 230 | 	  stack overflow. | 
 | 231 |  | 
| Rusty Russell | 8c384cd | 2009-01-01 10:12:30 +1030 | [diff] [blame] | 232 | config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS | 
 | 233 |        bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS | 
 | 234 |        depends on EXPERIMENTAL && BROKEN | 
 | 235 |  | 
| Ben Hutchings | c39649c | 2011-01-19 11:03:25 +0000 | [diff] [blame] | 236 | config CPU_RMAP | 
 | 237 | 	bool | 
 | 238 | 	depends on SMP | 
 | 239 |  | 
| Geert Uytterhoeven | e9cc8bd | 2009-03-04 14:53:30 +0800 | [diff] [blame] | 240 | # | 
 | 241 | # Netlink attribute parsing support is select'ed if needed | 
 | 242 | # | 
 | 243 | config NLATTR | 
 | 244 | 	bool | 
 | 245 |  | 
| Paul Mackerras | 09d4e0e | 2009-06-12 21:10:05 +0000 | [diff] [blame] | 246 | # | 
 | 247 | # Generic 64-bit atomic support is selected if needed | 
 | 248 | # | 
 | 249 | config GENERIC_ATOMIC64 | 
 | 250 |        bool | 
 | 251 |  | 
| Philipp Reisner | b411b36 | 2009-09-25 16:07:19 -0700 | [diff] [blame] | 252 | config LRU_CACHE | 
 | 253 | 	tristate | 
 | 254 |  | 
| Bruno Randolf | c5485a7 | 2010-11-16 10:58:37 +0900 | [diff] [blame] | 255 | config AVERAGE | 
| Michael Buesch | a7a9a24 | 2011-03-01 20:03:05 +0100 | [diff] [blame] | 256 | 	bool "Averaging functions" | 
 | 257 | 	help | 
 | 258 | 	  This option is provided for the case where no in-kernel-tree | 
 | 259 | 	  modules require averaging functions, but a module built outside | 
 | 260 | 	  the kernel tree does. Such modules that use library averaging | 
 | 261 | 	  functions require Y here. | 
 | 262 |  | 
 | 263 | 	  If unsure, say N. | 
| Bruno Randolf | c5485a7 | 2010-11-16 10:58:37 +0900 | [diff] [blame] | 264 |  | 
| Huang Ying | f49f23a | 2011-07-13 13:14:23 +0800 | [diff] [blame^] | 265 | config LLIST | 
 | 266 | 	bool | 
 | 267 |  | 
| Thomas Graf | 2de4ff7 | 2005-06-23 20:49:30 -0700 | [diff] [blame] | 268 | endmenu |