# 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_FIND_NEXT_BIT
+config NO_GENERIC_PCI_IOPORT_MAP
bool
+config GENERIC_PCI_IOMAP
+ bool
+
+config GENERIC_IOMAP
+ bool
+ select GENERIC_PCI_IOMAP
+
+config GENERIC_IO
+ boolean
+ default n
+
config CRC_CCITT
tristate "CRC-CCITT functions"
help
functions require M here.
config CRC32
- tristate "CRC32 functions"
+ tristate "CRC32/CRC32c 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.
+ modules require CRC32/CRC32c functions, but a module built outside
+ the kernel tree does. Such modules that use library CRC32/CRC32c
+ functions require M here.
+
+config CRC32_SELFTEST
+ bool "CRC32 perform self test on init"
+ default n
+ depends on CRC32
+ help
+ This option enables the CRC32 library functions to perform a
+ self test on initialization. The self test computes crc32_le
+ and crc32_be over byte strings with random alignment and length
+ and computes the total elapsed time and number of bytes processed.
+
+choice
+ prompt "CRC32 implementation"
+ depends on CRC32
+ default CRC32_SLICEBY8
+
+config CRC32_SLICEBY8
+ bool "Slice by 8 bytes"
+ help
+ Calculate checksum 8 bytes at a time with a clever slicing algorithm.
+ This is the fastest algorithm, but comes with a 8KiB lookup table.
+ Most modern processors have enough cache to hold this table without
+ thrashing the cache.
+
+ This is the default implementation choice. Choose this one unless
+ you have a good reason not to.
+
+config CRC32_SLICEBY4
+ bool "Slice by 4 bytes"
+ help
+ Calculate checksum 4 bytes at a time with a clever slicing algorithm.
+ This is a bit slower than slice by 8, but has a smaller 4KiB lookup
+ table.
+
+ Only choose this option if you know what you are doing.
+
+config CRC32_SARWATE
+ bool "Sarwate's Algorithm (one byte at a time)"
+ help
+ Calculate checksum a byte at a time using Sarwate's algorithm. This
+ is not particularly fast, but has a small 256 byte lookup table.
+
+ Only choose this option if you know what you are doing.
+
+config CRC32_BIT
+ bool "Classic Algorithm (one bit at a time)"
+ help
+ Calculate checksum one bit at a time. This is VERY slow, but has
+ no lookup table. This is provided as a debugging option.
+
+ Only choose this option if you are debugging crc32.
+
+endchoice
config CRC7
tristate "CRC7 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
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 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_FSM
tristate
-#
-# plist support is select#ed if needed
-#
-config PLIST
+config BTREE
boolean
config HAS_IOMEM
boolean
depends on !NO_IOMEM
+ select GENERIC_IO
default y
config HAS_IOPORT
config CHECK_SIGNATURE
bool
-config HAVE_LMB
- boolean
-
config CPUMASK_OFFSTACK
bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
help
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 CLZ_TAB
+ bool
+
+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
+ select CLZ_TAB
+ 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
+ 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
+ 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