11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# Library configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 54370aa4aSLai Jiangshanconfig BINARY_PRINTF 64370aa4aSLai Jiangshan def_bool n 74370aa4aSLai Jiangshan 81da177e4SLinus Torvaldsmenu "Library routines" 91da177e4SLinus Torvalds 10a5cfc1ecSAkinobu Mitaconfig BITREVERSE 11a5cfc1ecSAkinobu Mita tristate 12a5cfc1ecSAkinobu Mita 138759ef32SOskar Schirmerconfig RATIONAL 148759ef32SOskar Schirmer boolean 158759ef32SOskar Schirmer 1619870defSAlexander van Heukelumconfig GENERIC_FIND_FIRST_BIT 179ba16087SJan Beulich bool 1819870defSAlexander van Heukelum 1919870defSAlexander van Heukelumconfig GENERIC_FIND_NEXT_BIT 209ba16087SJan Beulich bool 2119870defSAlexander van Heukelum 22ab53d472SRusty Russellconfig GENERIC_FIND_LAST_BIT 23ab53d472SRusty Russell bool 24ab53d472SRusty Russell default y 25ab53d472SRusty Russell 261da177e4SLinus Torvaldsconfig CRC_CCITT 271da177e4SLinus Torvalds tristate "CRC-CCITT functions" 281da177e4SLinus Torvalds help 291da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 301da177e4SLinus Torvalds modules require CRC-CCITT functions, but a module built outside 311da177e4SLinus Torvalds the kernel tree does. Such modules that use library CRC-CCITT 321da177e4SLinus Torvalds functions require M here. 331da177e4SLinus Torvalds 347657ec1fSEvgeniy Polyakovconfig CRC16 357657ec1fSEvgeniy Polyakov tristate "CRC16 functions" 367657ec1fSEvgeniy Polyakov help 377657ec1fSEvgeniy Polyakov This option is provided for the case where no in-kernel-tree 387657ec1fSEvgeniy Polyakov modules require CRC16 functions, but a module built outside 397657ec1fSEvgeniy Polyakov the kernel tree does. Such modules that use library CRC16 407657ec1fSEvgeniy Polyakov functions require M here. 417657ec1fSEvgeniy Polyakov 42f11f594eSMartin K. Petersenconfig CRC_T10DIF 43f11f594eSMartin K. Petersen tristate "CRC calculation for the T10 Data Integrity Field" 44f11f594eSMartin K. Petersen help 45f11f594eSMartin K. Petersen This option is only needed if a module that's not in the 46f11f594eSMartin K. Petersen kernel tree needs to calculate CRC checks for use with the 47f11f594eSMartin K. Petersen SCSI data integrity subsystem. 48f11f594eSMartin K. Petersen 493e7cbae7SIvo van Doornconfig CRC_ITU_T 503e7cbae7SIvo van Doorn tristate "CRC ITU-T V.41 functions" 513e7cbae7SIvo van Doorn help 523e7cbae7SIvo van Doorn This option is provided for the case where no in-kernel-tree 533e7cbae7SIvo van Doorn modules require CRC ITU-T V.41 functions, but a module built outside 543e7cbae7SIvo van Doorn the kernel tree does. Such modules that use library CRC ITU-T V.41 553e7cbae7SIvo van Doorn functions require M here. 563e7cbae7SIvo van Doorn 571da177e4SLinus Torvaldsconfig CRC32 581da177e4SLinus Torvalds tristate "CRC32 functions" 591da177e4SLinus Torvalds default y 60906d66dfSAkinobu Mita select BITREVERSE 611da177e4SLinus Torvalds help 621da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 631da177e4SLinus Torvalds modules require CRC32 functions, but a module built outside the 641da177e4SLinus Torvalds kernel tree does. Such modules that use library CRC32 functions 651da177e4SLinus Torvalds require M here. 661da177e4SLinus Torvalds 67ad241528SJan Nikitenkoconfig CRC7 68ad241528SJan Nikitenko tristate "CRC7 functions" 69ad241528SJan Nikitenko help 70ad241528SJan Nikitenko This option is provided for the case where no in-kernel-tree 71ad241528SJan Nikitenko modules require CRC7 functions, but a module built outside 72ad241528SJan Nikitenko the kernel tree does. Such modules that use library CRC7 73ad241528SJan Nikitenko functions require M here. 74ad241528SJan Nikitenko 751da177e4SLinus Torvaldsconfig LIBCRC32C 761da177e4SLinus Torvalds tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check" 7793027354SHerbert Xu select CRYPTO 7869c35efcSHerbert Xu select CRYPTO_CRC32C 791da177e4SLinus Torvalds help 801da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 811da177e4SLinus Torvalds modules require CRC32c functions, but a module built outside the 821da177e4SLinus Torvalds kernel tree does. Such modules that use library CRC32c functions 831da177e4SLinus Torvalds require M here. See Castagnoli93. 841da177e4SLinus Torvalds Module will be libcrc32c. 851da177e4SLinus Torvalds 86e65e1fc2SAl Viroconfig AUDIT_GENERIC 87e65e1fc2SAl Viro bool 88e65e1fc2SAl Viro depends on AUDIT && !AUDIT_ARCH 89e65e1fc2SAl Viro default y 90e65e1fc2SAl Viro 911da177e4SLinus Torvalds# 921da177e4SLinus Torvalds# compression support is select'ed if needed 931da177e4SLinus Torvalds# 941da177e4SLinus Torvaldsconfig ZLIB_INFLATE 951da177e4SLinus Torvalds tristate 961da177e4SLinus Torvalds 971da177e4SLinus Torvaldsconfig ZLIB_DEFLATE 981da177e4SLinus Torvalds tristate 991da177e4SLinus Torvalds 10064c70b1cSRichard Purdieconfig LZO_COMPRESS 10164c70b1cSRichard Purdie tristate 10264c70b1cSRichard Purdie 10364c70b1cSRichard Purdieconfig LZO_DECOMPRESS 10464c70b1cSRichard Purdie tristate 10564c70b1cSRichard Purdie 1061da177e4SLinus Torvalds# 107c8531ab3SH. Peter Anvin# These all provide a common interface (hence the apparent duplication with 108c8531ab3SH. Peter Anvin# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.) 109c8531ab3SH. Peter Anvin# 110c8531ab3SH. Peter Anvinconfig DECOMPRESS_GZIP 1117856a16eSH. Peter Anvin select ZLIB_INFLATE 112c8531ab3SH. Peter Anvin tristate 113c8531ab3SH. Peter Anvin 114c8531ab3SH. Peter Anvinconfig DECOMPRESS_BZIP2 115c8531ab3SH. Peter Anvin tristate 116c8531ab3SH. Peter Anvin 117c8531ab3SH. Peter Anvinconfig DECOMPRESS_LZMA 118c8531ab3SH. Peter Anvin tristate 119c8531ab3SH. Peter Anvin 120*cacb246fSAlbin Tonnerreconfig DECOMPRESS_LZO 121*cacb246fSAlbin Tonnerre select LZO_DECOMPRESS 122*cacb246fSAlbin Tonnerre tristate 123*cacb246fSAlbin Tonnerre 124c8531ab3SH. Peter Anvin# 125f14f75b8SJes Sorensen# Generic allocator support is selected if needed 126f14f75b8SJes Sorensen# 127f14f75b8SJes Sorensenconfig GENERIC_ALLOCATOR 128f14f75b8SJes Sorensen boolean 129f14f75b8SJes Sorensen 130f14f75b8SJes Sorensen# 1311da177e4SLinus Torvalds# reed solomon support is select'ed if needed 1321da177e4SLinus Torvalds# 1331da177e4SLinus Torvaldsconfig REED_SOLOMON 1341da177e4SLinus Torvalds tristate 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvaldsconfig REED_SOLOMON_ENC8 1371da177e4SLinus Torvalds boolean 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvaldsconfig REED_SOLOMON_DEC8 1401da177e4SLinus Torvalds boolean 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvaldsconfig REED_SOLOMON_ENC16 1431da177e4SLinus Torvalds boolean 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvaldsconfig REED_SOLOMON_DEC16 1461da177e4SLinus Torvalds boolean 1471da177e4SLinus Torvalds 148f7704347SDavid S. Miller# 149f7704347SDavid S. Miller# Textsearch support is select'ed if needed 150f7704347SDavid S. Miller# 1512de4ff7bSThomas Grafconfig TEXTSEARCH 152f7704347SDavid S. Miller boolean 1531da177e4SLinus Torvalds 154df3fb93aSThomas Grafconfig TEXTSEARCH_KMP 155f7704347SDavid S. Miller tristate 156df3fb93aSThomas Graf 1578082e4edSPablo Neira Ayusoconfig TEXTSEARCH_BM 15829cb9f9cSDavid S. Miller tristate 1598082e4edSPablo Neira Ayuso 1606408f79cSThomas Grafconfig TEXTSEARCH_FSM 161f7704347SDavid S. Miller tristate 1626408f79cSThomas Graf 1635ea81769SAl Viroconfig HAS_IOMEM 164ee36c2bfSAl Viro boolean 1655ea81769SAl Viro depends on !NO_IOMEM 1665ea81769SAl Viro default y 1675ea81769SAl Viro 1685ea81769SAl Viroconfig HAS_IOPORT 1695ea81769SAl Viro boolean 1705ea81769SAl Viro depends on HAS_IOMEM && !NO_IOPORT 171ee36c2bfSAl Viro default y 172ee36c2bfSAl Viro 173411f0f3eSHeiko Carstensconfig HAS_DMA 174411f0f3eSHeiko Carstens boolean 175411f0f3eSHeiko Carstens depends on !NO_DMA 176411f0f3eSHeiko Carstens default y 177411f0f3eSHeiko Carstens 178928923c7SGeert Uytterhoevenconfig CHECK_SIGNATURE 179928923c7SGeert Uytterhoeven bool 180928923c7SGeert Uytterhoeven 181d9b2b2a2SDavid S. Millerconfig HAVE_LMB 182d9b2b2a2SDavid S. Miller boolean 183d9b2b2a2SDavid S. Miller 184aab46da0SRusty Russellconfig CPUMASK_OFFSTACK 185aab46da0SRusty Russell bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS 186aab46da0SRusty Russell help 187aab46da0SRusty Russell Use dynamic allocation for cpumask_var_t, instead of putting 188aab46da0SRusty Russell them on the stack. This is a bit more expensive, but avoids 189aab46da0SRusty Russell stack overflow. 190aab46da0SRusty Russell 1918c384cdeSRusty Russellconfig DISABLE_OBSOLETE_CPUMASK_FUNCTIONS 1928c384cdeSRusty Russell bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS 1938c384cdeSRusty Russell depends on EXPERIMENTAL && BROKEN 1948c384cdeSRusty Russell 195e9cc8bddSGeert Uytterhoeven# 196e9cc8bddSGeert Uytterhoeven# Netlink attribute parsing support is select'ed if needed 197e9cc8bddSGeert Uytterhoeven# 198e9cc8bddSGeert Uytterhoevenconfig NLATTR 199e9cc8bddSGeert Uytterhoeven bool 200e9cc8bddSGeert Uytterhoeven 20109d4e0edSPaul Mackerras# 20209d4e0edSPaul Mackerras# Generic 64-bit atomic support is selected if needed 20309d4e0edSPaul Mackerras# 20409d4e0edSPaul Mackerrasconfig GENERIC_ATOMIC64 20509d4e0edSPaul Mackerras bool 20609d4e0edSPaul Mackerras 207b411b363SPhilipp Reisnerconfig LRU_CACHE 208b411b363SPhilipp Reisner tristate 209b411b363SPhilipp Reisner 2102de4ff7bSThomas Grafendmenu 211