11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# Library configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsmenu "Library routines" 61da177e4SLinus Torvalds 7a5cfc1ecSAkinobu Mitaconfig BITREVERSE 8a5cfc1ecSAkinobu Mita tristate 9a5cfc1ecSAkinobu Mita 1019870defSAlexander van Heukelumconfig GENERIC_FIND_FIRST_BIT 119ba16087SJan Beulich bool 1219870defSAlexander van Heukelum 1319870defSAlexander van Heukelumconfig GENERIC_FIND_NEXT_BIT 149ba16087SJan Beulich bool 1519870defSAlexander van Heukelum 16ab53d472SRusty Russellconfig GENERIC_FIND_LAST_BIT 17ab53d472SRusty Russell bool 18ab53d472SRusty Russell default y 19ab53d472SRusty Russell 201da177e4SLinus Torvaldsconfig CRC_CCITT 211da177e4SLinus Torvalds tristate "CRC-CCITT functions" 221da177e4SLinus Torvalds help 231da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 241da177e4SLinus Torvalds modules require CRC-CCITT functions, but a module built outside 251da177e4SLinus Torvalds the kernel tree does. Such modules that use library CRC-CCITT 261da177e4SLinus Torvalds functions require M here. 271da177e4SLinus Torvalds 287657ec1fSEvgeniy Polyakovconfig CRC16 297657ec1fSEvgeniy Polyakov tristate "CRC16 functions" 307657ec1fSEvgeniy Polyakov help 317657ec1fSEvgeniy Polyakov This option is provided for the case where no in-kernel-tree 327657ec1fSEvgeniy Polyakov modules require CRC16 functions, but a module built outside 337657ec1fSEvgeniy Polyakov the kernel tree does. Such modules that use library CRC16 347657ec1fSEvgeniy Polyakov functions require M here. 357657ec1fSEvgeniy Polyakov 36f11f594eSMartin K. Petersenconfig CRC_T10DIF 37f11f594eSMartin K. Petersen tristate "CRC calculation for the T10 Data Integrity Field" 38f11f594eSMartin K. Petersen help 39f11f594eSMartin K. Petersen This option is only needed if a module that's not in the 40f11f594eSMartin K. Petersen kernel tree needs to calculate CRC checks for use with the 41f11f594eSMartin K. Petersen SCSI data integrity subsystem. 42f11f594eSMartin K. Petersen 433e7cbae7SIvo van Doornconfig CRC_ITU_T 443e7cbae7SIvo van Doorn tristate "CRC ITU-T V.41 functions" 453e7cbae7SIvo van Doorn help 463e7cbae7SIvo van Doorn This option is provided for the case where no in-kernel-tree 473e7cbae7SIvo van Doorn modules require CRC ITU-T V.41 functions, but a module built outside 483e7cbae7SIvo van Doorn the kernel tree does. Such modules that use library CRC ITU-T V.41 493e7cbae7SIvo van Doorn functions require M here. 503e7cbae7SIvo van Doorn 511da177e4SLinus Torvaldsconfig CRC32 521da177e4SLinus Torvalds tristate "CRC32 functions" 531da177e4SLinus Torvalds default y 54906d66dfSAkinobu Mita select BITREVERSE 551da177e4SLinus Torvalds help 561da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 571da177e4SLinus Torvalds modules require CRC32 functions, but a module built outside the 581da177e4SLinus Torvalds kernel tree does. Such modules that use library CRC32 functions 591da177e4SLinus Torvalds require M here. 601da177e4SLinus Torvalds 61ad241528SJan Nikitenkoconfig CRC7 62ad241528SJan Nikitenko tristate "CRC7 functions" 63ad241528SJan Nikitenko help 64ad241528SJan Nikitenko This option is provided for the case where no in-kernel-tree 65ad241528SJan Nikitenko modules require CRC7 functions, but a module built outside 66ad241528SJan Nikitenko the kernel tree does. Such modules that use library CRC7 67ad241528SJan Nikitenko functions require M here. 68ad241528SJan Nikitenko 691da177e4SLinus Torvaldsconfig LIBCRC32C 701da177e4SLinus Torvalds tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check" 7193027354SHerbert Xu select CRYPTO 7269c35efcSHerbert Xu select CRYPTO_CRC32C 731da177e4SLinus Torvalds help 741da177e4SLinus Torvalds This option is provided for the case where no in-kernel-tree 751da177e4SLinus Torvalds modules require CRC32c functions, but a module built outside the 761da177e4SLinus Torvalds kernel tree does. Such modules that use library CRC32c functions 771da177e4SLinus Torvalds require M here. See Castagnoli93. 781da177e4SLinus Torvalds Module will be libcrc32c. 791da177e4SLinus Torvalds 80e65e1fc2SAl Viroconfig AUDIT_GENERIC 81e65e1fc2SAl Viro bool 82e65e1fc2SAl Viro depends on AUDIT && !AUDIT_ARCH 83e65e1fc2SAl Viro default y 84e65e1fc2SAl Viro 851da177e4SLinus Torvalds# 861da177e4SLinus Torvalds# compression support is select'ed if needed 871da177e4SLinus Torvalds# 881da177e4SLinus Torvaldsconfig ZLIB_INFLATE 891da177e4SLinus Torvalds tristate 901da177e4SLinus Torvalds 911da177e4SLinus Torvaldsconfig ZLIB_DEFLATE 921da177e4SLinus Torvalds tristate 931da177e4SLinus Torvalds 9464c70b1cSRichard Purdieconfig LZO_COMPRESS 9564c70b1cSRichard Purdie tristate 9664c70b1cSRichard Purdie 9764c70b1cSRichard Purdieconfig LZO_DECOMPRESS 9864c70b1cSRichard Purdie tristate 9964c70b1cSRichard Purdie 1001da177e4SLinus Torvalds# 101c8531ab3SH. Peter Anvin# These all provide a common interface (hence the apparent duplication with 102c8531ab3SH. Peter Anvin# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.) 103c8531ab3SH. Peter Anvin# 104c8531ab3SH. Peter Anvinconfig DECOMPRESS_GZIP 105*7856a16eSH. Peter Anvin select ZLIB_INFLATE 106c8531ab3SH. Peter Anvin tristate 107c8531ab3SH. Peter Anvin 108c8531ab3SH. Peter Anvinconfig DECOMPRESS_BZIP2 109c8531ab3SH. Peter Anvin tristate 110c8531ab3SH. Peter Anvin 111c8531ab3SH. Peter Anvinconfig DECOMPRESS_LZMA 112c8531ab3SH. Peter Anvin tristate 113c8531ab3SH. Peter Anvin 114c8531ab3SH. Peter Anvin# 115f14f75b8SJes Sorensen# Generic allocator support is selected if needed 116f14f75b8SJes Sorensen# 117f14f75b8SJes Sorensenconfig GENERIC_ALLOCATOR 118f14f75b8SJes Sorensen boolean 119f14f75b8SJes Sorensen 120f14f75b8SJes Sorensen# 1211da177e4SLinus Torvalds# reed solomon support is select'ed if needed 1221da177e4SLinus Torvalds# 1231da177e4SLinus Torvaldsconfig REED_SOLOMON 1241da177e4SLinus Torvalds tristate 1251da177e4SLinus Torvalds 1261da177e4SLinus Torvaldsconfig REED_SOLOMON_ENC8 1271da177e4SLinus Torvalds boolean 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvaldsconfig REED_SOLOMON_DEC8 1301da177e4SLinus Torvalds boolean 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvaldsconfig REED_SOLOMON_ENC16 1331da177e4SLinus Torvalds boolean 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvaldsconfig REED_SOLOMON_DEC16 1361da177e4SLinus Torvalds boolean 1371da177e4SLinus Torvalds 138f7704347SDavid S. Miller# 139f7704347SDavid S. Miller# Textsearch support is select'ed if needed 140f7704347SDavid S. Miller# 1412de4ff7bSThomas Grafconfig TEXTSEARCH 142f7704347SDavid S. Miller boolean 1431da177e4SLinus Torvalds 144df3fb93aSThomas Grafconfig TEXTSEARCH_KMP 145f7704347SDavid S. Miller tristate 146df3fb93aSThomas Graf 1478082e4edSPablo Neira Ayusoconfig TEXTSEARCH_BM 14829cb9f9cSDavid S. Miller tristate 1498082e4edSPablo Neira Ayuso 1506408f79cSThomas Grafconfig TEXTSEARCH_FSM 151f7704347SDavid S. Miller tristate 1526408f79cSThomas Graf 15377ba89c5SIngo Molnar# 15477ba89c5SIngo Molnar# plist support is select#ed if needed 15577ba89c5SIngo Molnar# 15677ba89c5SIngo Molnarconfig PLIST 15777ba89c5SIngo Molnar boolean 15877ba89c5SIngo Molnar 1595ea81769SAl Viroconfig HAS_IOMEM 160ee36c2bfSAl Viro boolean 1615ea81769SAl Viro depends on !NO_IOMEM 1625ea81769SAl Viro default y 1635ea81769SAl Viro 1645ea81769SAl Viroconfig HAS_IOPORT 1655ea81769SAl Viro boolean 1665ea81769SAl Viro depends on HAS_IOMEM && !NO_IOPORT 167ee36c2bfSAl Viro default y 168ee36c2bfSAl Viro 169411f0f3eSHeiko Carstensconfig HAS_DMA 170411f0f3eSHeiko Carstens boolean 171411f0f3eSHeiko Carstens depends on !NO_DMA 172411f0f3eSHeiko Carstens default y 173411f0f3eSHeiko Carstens 174928923c7SGeert Uytterhoevenconfig CHECK_SIGNATURE 175928923c7SGeert Uytterhoeven bool 176928923c7SGeert Uytterhoeven 177d9b2b2a2SDavid S. Millerconfig HAVE_LMB 178d9b2b2a2SDavid S. Miller boolean 179d9b2b2a2SDavid S. Miller 180aab46da0SRusty Russellconfig CPUMASK_OFFSTACK 181aab46da0SRusty Russell bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS 182aab46da0SRusty Russell help 183aab46da0SRusty Russell Use dynamic allocation for cpumask_var_t, instead of putting 184aab46da0SRusty Russell them on the stack. This is a bit more expensive, but avoids 185aab46da0SRusty Russell stack overflow. 186aab46da0SRusty Russell 1878c384cdeSRusty Russellconfig DISABLE_OBSOLETE_CPUMASK_FUNCTIONS 1888c384cdeSRusty Russell bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS 1898c384cdeSRusty Russell depends on EXPERIMENTAL && BROKEN 1908c384cdeSRusty Russell 1912de4ff7bSThomas Grafendmenu 192