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