lib/Kconfig

   1 #
   2 # Library configuration
   3 #
   4
   5 menu "Library routines"
   6
   7 config BITREVERSE
   8         tristate
   9
  10 config GENERIC_FIND_FIRST_BIT
  11         bool
  12
  13 config GENERIC_FIND_NEXT_BIT
  14         bool
  15
  16 config GENERIC_FIND_LAST_BIT
  17         bool
  18         default y
  19
  20 config 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
  28 config 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
  36 config 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
  43 config 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
  51 config 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
  61 config 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
  69 config 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
  80 config AUDIT_GENERIC
  81         bool
  82         depends on AUDIT && !AUDIT_ARCH
  83         default y
  84
  85 #
  86 # compression support is select'ed if needed
  87 #
  88 config ZLIB_INFLATE
  89         tristate
  90
  91 config ZLIB_DEFLATE
  92         tristate
  93
  94 config LZO_COMPRESS
  95         tristate
  96
  97 config LZO_DECOMPRESS
  98         tristate
  99
 100 #
 101 # Generic allocator support is selected if needed
 102 #
 103 config GENERIC_ALLOCATOR
 104         boolean
 105
 106 #
 107 # reed solomon support is select'ed if needed
 108 #
 109 config REED_SOLOMON
 110         tristate
 111
 112 config REED_SOLOMON_ENC8
 113         boolean
 114
 115 config REED_SOLOMON_DEC8
 116         boolean
 117
 118 config REED_SOLOMON_ENC16
 119         boolean
 120
 121 config REED_SOLOMON_DEC16
 122         boolean
 123
 124 #
 125 # Textsearch support is select'ed if needed
 126 #
 127 config TEXTSEARCH
 128         boolean
 129
 130 config TEXTSEARCH_KMP
 131         tristate
 132
 133 config TEXTSEARCH_BM
 134         tristate
 135
 136 config TEXTSEARCH_FSM
 137         tristate
 138
 139 #
 140 # plist support is select#ed if needed
 141 #
 142 config PLIST
 143         boolean
 144
 145 config HAS_IOMEM
 146         boolean
 147         depends on !NO_IOMEM
 148         default y
 149
 150 config HAS_IOPORT
 151         boolean
 152         depends on HAS_IOMEM && !NO_IOPORT
 153         default y
 154
 155 config HAS_DMA
 156         boolean
 157         depends on !NO_DMA
 158         default y
 159
 160 config CHECK_SIGNATURE
 161         bool
 162
 163 config HAVE_LMB
 164         boolean
 165
 166 config CPUMASK_OFFSTACK
 167         bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
 168         help
 169           Use dynamic allocation for cpumask_var_t, instead of putting
 170           them on the stack.  This is a bit more expensive, but avoids
 171           stack overflow.
 172
 173 config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
 174        bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
 175        depends on EXPERIMENTAL && BROKEN
 176
 177 endmenu