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|
#
# Library configuration
#
config BINARY_PRINTF
def_bool n
menu "Library routines"
config RAID6_PQ
tristate
config BITREVERSE
tristate
config RATIONAL
boolean
config GENERIC_FIND_FIRST_BIT
bool
config GENERIC_PCI_IOMAP
bool
config GENERIC_IOMAP
bool
select GENERIC_PCI_IOMAP
config CRC_CCITT
tristate "CRC-CCITT functions"
help
This option is provided for the case where no in-kernel-tree
modules require CRC-CCITT functions, but a module built outside
the kernel tree does. Such modules that use library CRC-CCITT
functions require M here.
config CRC16
tristate "CRC16 functions"
help
This option is provided for the case where no in-kernel-tree
modules require CRC16 functions, but a module built outside
the kernel tree does. Such modules that use library CRC16
functions require M here.
config CRC_T10DIF
tristate "CRC calculation for the T10 Data Integrity Field"
help
This option is only needed if a module that's not in the
kernel tree needs to calculate CRC checks for use with the
SCSI data integrity subsystem.
config CRC_ITU_T
tristate "CRC ITU-T V.41 functions"
help
This option is provided for the case where no in-kernel-tree
modules require CRC ITU-T V.41 functions, but a module built outside
the kernel tree does. Such modules that use library CRC ITU-T V.41
functions require M here.
config CRC32
tristate "CRC32 functions"
default y
select BITREVERSE
help
This option is provided for the case where no in-kernel-tree
modules require CRC32 functions, but a module built outside the
kernel tree does. Such modules that use library CRC32 functions
require M here.
config CRC7
tristate "CRC7 functions"
help
This option is provided for the case where no in-kernel-tree
modules require CRC7 functions, but a module built outside
the kernel tree does. Such modules that use library CRC7
functions require M here.
config LIBCRC32C
tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
select CRYPTO
select CRYPTO_CRC32C
help
This option is provided for the case where no in-kernel-tree
modules require CRC32c functions, but a module built outside the
kernel tree does. Such modules that use library CRC32c functions
require M here. See Castagnoli93.
Module will be libcrc32c.
config CRC8
tristate "CRC8 function"
help
This option provides CRC8 function. Drivers may select this
when they need to do cyclic redundancy check according CRC8
algorithm. Module will be called crc8.
config AUDIT_GENERIC
bool
depends on AUDIT && !AUDIT_ARCH
default y
#
# compression support is select'ed if needed
#
config ZLIB_INFLATE
tristate
config ZLIB_DEFLATE
tristate
config LZO_COMPRESS
tristate
config LZO_DECOMPRESS
tristate
source "lib/xz/Kconfig"
#
# These all provide a common interface (hence the apparent duplication with
# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
#
config DECOMPRESS_GZIP
select ZLIB_INFLATE
tristate
config DECOMPRESS_BZIP2
tristate
config DECOMPRESS_LZMA
tristate
config DECOMPRESS_XZ
select XZ_DEC
tristate
config DECOMPRESS_LZO
select LZO_DECOMPRESS
tristate
#
# Generic allocator support is selected if needed
#
config GENERIC_ALLOCATOR
boolean
#
# reed solomon support is select'ed if needed
#
config REED_SOLOMON
tristate
config REED_SOLOMON_ENC8
boolean
config REED_SOLOMON_DEC8
boolean
config REED_SOLOMON_ENC16
boolean
config REED_SOLOMON_DEC16
boolean
#
# BCH support is selected if needed
#
config BCH
tristate
config BCH_CONST_PARAMS
boolean
help
Drivers may select this option to force specific constant
values for parameters 'm' (Galois field order) and 't'
(error correction capability). Those specific values must
be set by declaring default values for symbols BCH_CONST_M
and BCH_CONST_T.
Doing so will enable extra compiler optimizations,
improving encoding and decoding performance up to 2x for
usual (m,t) values (typically such that m*t < 200).
When this option is selected, the BCH library supports
only a single (m,t) configuration. This is mainly useful
for NAND flash board drivers requiring known, fixed BCH
parameters.
config BCH_CONST_M
int
range 5 15
help
Constant value for Galois field order 'm'. If 'k' is the
number of data bits to protect, 'm' should be chosen such
that (k + m*t) <= 2**m - 1.
Drivers should declare a default value for this symbol if
they select option BCH_CONST_PARAMS.
config BCH_CONST_T
int
help
Constant value for error correction capability in bits 't'.
Drivers should declare a default value for this symbol if
they select option BCH_CONST_PARAMS.
#
# Textsearch support is select'ed if needed
#
config TEXTSEARCH
boolean
config TEXTSEARCH_KMP
tristate
config TEXTSEARCH_BM
tristate
config TEXTSEARCH_FSM
tristate
config BTREE
boolean
config HAS_IOMEM
boolean
depends on !NO_IOMEM
default y
config HAS_IOPORT
boolean
depends on HAS_IOMEM && !NO_IOPORT
default y
config HAS_DMA
boolean
depends on !NO_DMA
default y
config CHECK_SIGNATURE
bool
config CPUMASK_OFFSTACK
bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
help
Use dynamic allocation for cpumask_var_t, instead of putting
them on the stack. This is a bit more expensive, but avoids
stack overflow.
config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
depends on EXPERIMENTAL && BROKEN
config CPU_RMAP
bool
depends on SMP
config DQL
bool
#
# Netlink attribute parsing support is select'ed if needed
#
config NLATTR
bool
#
# Generic 64-bit atomic support is selected if needed
#
config GENERIC_ATOMIC64
bool
config LRU_CACHE
tristate
config AVERAGE
bool "Averaging functions"
help
This option is provided for the case where no in-kernel-tree
modules require averaging functions, but a module built outside
the kernel tree does. Such modules that use library averaging
functions require Y here.
If unsure, say N.
config CORDIC
tristate "CORDIC algorithm"
help
This option provides an implementation of the CORDIC algorithm;
calculations are in fixed point. Module will be called cordic.
config MPILIB
tristate "Multiprecision maths library"
help
Multiprecision maths library from GnuPG.
It is used to implement RSA digital signature verification,
which is used by IMA/EVM digital signature extension.
config MPILIB_EXTRA
bool "Multiprecision maths library - additional sources"
depends on MPILIB
help
Additional sources of multiprecision maths library from GnuPG.
This code is unnecessary for RSA digital signature verification,
but can be compiled if needed.
config SIGNATURE
tristate "In-kernel signature checker"
depends on KEYS && CRYPTO
select CRYPTO_SHA1
select MPILIB
help
Digital signature verification. Currently only RSA is supported.
Implementation is done using GnuPG MPI library
endmenu
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