2 # Library configuration
8 menu "Library routines"
16 config GENERIC_FIND_FIRST_BIT
19 config GENERIC_FIND_NEXT_BIT
22 config GENERIC_FIND_LAST_BIT
27 tristate "CRC-CCITT functions"
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.
35 tristate "CRC16 functions"
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.
43 tristate "CRC calculation for the T10 Data Integrity Field"
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.
50 tristate "CRC ITU-T V.41 functions"
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.
58 tristate "CRC32 functions"
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
68 tristate "CRC7 functions"
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.
76 tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
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.
88 depends on AUDIT && !AUDIT_ARCH
92 # compression support is select'ed if needed
103 config LZO_DECOMPRESS
107 # These all provide a common interface (hence the apparent duplication with
108 # ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
110 config DECOMPRESS_GZIP
114 config DECOMPRESS_BZIP2
117 config DECOMPRESS_LZMA
121 # Generic allocator support is selected if needed
123 config GENERIC_ALLOCATOR
127 # reed solomon support is select'ed if needed
132 config REED_SOLOMON_ENC8
135 config REED_SOLOMON_DEC8
138 config REED_SOLOMON_ENC16
141 config REED_SOLOMON_DEC16
145 # Textsearch support is select'ed if needed
150 config TEXTSEARCH_KMP
156 config TEXTSEARCH_FSM
166 depends on HAS_IOMEM && !NO_IOPORT
174 config CHECK_SIGNATURE
180 config CPUMASK_OFFSTACK
181 bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
183 Use dynamic allocation for cpumask_var_t, instead of putting
184 them on the stack. This is a bit more expensive, but avoids
187 config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
188 bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
189 depends on EXPERIMENTAL && BROKEN
192 # Netlink attribute parsing support is select'ed if needed
198 # Generic 64-bit atomic support is selected if needed
200 config GENERIC_ATOMIC64