1# 2# Library configuration 3# 4 5config BINARY_PRINTF 6 def_bool n 7 8menu "Library routines" 9 10config BITREVERSE 11 tristate 12 13config RATIONAL 14 boolean 15 16config GENERIC_FIND_FIRST_BIT 17 bool 18 19config GENERIC_FIND_NEXT_BIT 20 bool 21 22config GENERIC_FIND_LAST_BIT 23 bool 24 default y 25 26config CRC_CCITT 27 tristate "CRC-CCITT functions" 28 help 29 This option is provided for the case where no in-kernel-tree 30 modules require CRC-CCITT functions, but a module built outside 31 the kernel tree does. Such modules that use library CRC-CCITT 32 functions require M here. 33 34config CRC16 35 tristate "CRC16 functions" 36 help 37 This option is provided for the case where no in-kernel-tree 38 modules require CRC16 functions, but a module built outside 39 the kernel tree does. Such modules that use library CRC16 40 functions require M here. 41 42config CRC_T10DIF 43 tristate "CRC calculation for the T10 Data Integrity Field" 44 help 45 This option is only needed if a module that's not in the 46 kernel tree needs to calculate CRC checks for use with the 47 SCSI data integrity subsystem. 48 49config CRC_ITU_T 50 tristate "CRC ITU-T V.41 functions" 51 help 52 This option is provided for the case where no in-kernel-tree 53 modules require CRC ITU-T V.41 functions, but a module built outside 54 the kernel tree does. Such modules that use library CRC ITU-T V.41 55 functions require M here. 56 57config CRC32 58 tristate "CRC32 functions" 59 default y 60 select BITREVERSE 61 help 62 This option is provided for the case where no in-kernel-tree 63 modules require CRC32 functions, but a module built outside the 64 kernel tree does. Such modules that use library CRC32 functions 65 require M here. 66 67config CRC7 68 tristate "CRC7 functions" 69 help 70 This option is provided for the case where no in-kernel-tree 71 modules require CRC7 functions, but a module built outside 72 the kernel tree does. Such modules that use library CRC7 73 functions require M here. 74 75config LIBCRC32C 76 tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check" 77 select CRYPTO 78 select CRYPTO_CRC32C 79 help 80 This option is provided for the case where no in-kernel-tree 81 modules require CRC32c functions, but a module built outside the 82 kernel tree does. Such modules that use library CRC32c functions 83 require M here. See Castagnoli93. 84 Module will be libcrc32c. 85 86config AUDIT_GENERIC 87 bool 88 depends on AUDIT && !AUDIT_ARCH 89 default y 90 91# 92# compression support is select'ed if needed 93# 94config ZLIB_INFLATE 95 tristate 96 97config ZLIB_DEFLATE 98 tristate 99 100config LZO_COMPRESS 101 tristate 102 103config LZO_DECOMPRESS 104 tristate 105 106# 107# These all provide a common interface (hence the apparent duplication with 108# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.) 109# 110config DECOMPRESS_GZIP 111 select ZLIB_INFLATE 112 tristate 113 114config DECOMPRESS_BZIP2 115 tristate 116 117config DECOMPRESS_LZMA 118 tristate 119 120config DECOMPRESS_LZO 121 select LZO_DECOMPRESS 122 tristate 123 124# 125# Generic allocator support is selected if needed 126# 127config GENERIC_ALLOCATOR 128 boolean 129 130# 131# reed solomon support is select'ed if needed 132# 133config REED_SOLOMON 134 tristate 135 136config REED_SOLOMON_ENC8 137 boolean 138 139config REED_SOLOMON_DEC8 140 boolean 141 142config REED_SOLOMON_ENC16 143 boolean 144 145config REED_SOLOMON_DEC16 146 boolean 147 148# 149# Textsearch support is select'ed if needed 150# 151config TEXTSEARCH 152 boolean 153 154config TEXTSEARCH_KMP 155 tristate 156 157config TEXTSEARCH_BM 158 tristate 159 160config TEXTSEARCH_FSM 161 tristate 162 163config BTREE 164 boolean 165 166config HAS_IOMEM 167 boolean 168 depends on !NO_IOMEM 169 default y 170 171config HAS_IOPORT 172 boolean 173 depends on HAS_IOMEM && !NO_IOPORT 174 default y 175 176config HAS_DMA 177 boolean 178 depends on !NO_DMA 179 default y 180 181config CHECK_SIGNATURE 182 bool 183 184config CPUMASK_OFFSTACK 185 bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS 186 help 187 Use dynamic allocation for cpumask_var_t, instead of putting 188 them on the stack. This is a bit more expensive, but avoids 189 stack overflow. 190 191config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS 192 bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS 193 depends on EXPERIMENTAL && BROKEN 194 195# 196# Netlink attribute parsing support is select'ed if needed 197# 198config NLATTR 199 bool 200 201# 202# Generic 64-bit atomic support is selected if needed 203# 204config GENERIC_ATOMIC64 205 bool 206 207config LRU_CACHE 208 tristate 209 210endmenu 211