diff options
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 203 |
1 files changed, 75 insertions, 128 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 5ddda7c2ed9b..6c1b8f184267 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -40,6 +40,18 @@ config PACKING When in doubt, say N. +config PACKING_KUNIT_TEST + tristate "KUnit tests for packing library" if !KUNIT_ALL_TESTS + depends on PACKING && KUNIT + default KUNIT_ALL_TESTS + help + This builds KUnit tests for the packing library. + + For more information on KUnit and unit tests in general, + please refer to the KUnit documentation in Documentation/dev-tools/kunit/. + + When in doubt, say N. + config BITREVERSE tristate @@ -70,9 +82,6 @@ source "lib/math/Kconfig" config NO_GENERIC_PCI_IOPORT_MAP bool -config GENERIC_PCI_IOMAP - bool - config GENERIC_IOMAP bool select GENERIC_PCI_IOMAP @@ -130,154 +139,91 @@ config TRACE_MMIO_ACCESS source "lib/crypto/Kconfig" config CRC_CCITT - tristate "CRC-CCITT functions" + tristate 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. + The CRC-CCITT library functions. Select this if your module uses any + of the functions from <linux/crc-ccitt.h>. config CRC16 - tristate "CRC16 functions" + tristate 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. + The CRC16 library functions. Select this if your module uses any of + the functions from <linux/crc16.h>. config CRC_T10DIF - tristate "CRC calculation for the T10 Data Integrity Field" - select CRYPTO - select CRYPTO_CRCT10DIF + tristate 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. + The CRC-T10DIF library functions. Select this if your module uses + any of the functions from <linux/crc-t10dif.h>. -config CRC64_ROCKSOFT - tristate "CRC calculation for the Rocksoft model CRC64" - select CRC64 - select CRYPTO - select CRYPTO_CRC64_ROCKSOFT - help - This option provides a CRC64 API to a registered crypto driver. - This is used with the block layer's data integrity subsystem. +config ARCH_HAS_CRC_T10DIF + bool + +config CRC_T10DIF_ARCH + tristate + default CRC_T10DIF if ARCH_HAS_CRC_T10DIF && CRC_OPTIMIZATIONS config CRC_ITU_T - tristate "CRC ITU-T V.41 functions" + tristate 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. + The CRC-ITU-T library functions. Select this if your module uses + any of the functions from <linux/crc-itu-t.h>. config CRC32 - tristate "CRC32/CRC32c functions" - default y + tristate select BITREVERSE help - This option is provided for the case where no in-kernel-tree - 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 - tristate "CRC32 perform self test on init" - 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. + The CRC32 library functions. Select this if your module uses any of + the functions from <linux/crc32.h> or <linux/crc32c.h>. -choice - prompt "CRC32 implementation" - depends on CRC32 - default CRC32_SLICEBY8 - help - This option allows a kernel builder to override the default choice - of CRC32 algorithm. Choose the default ("slice by 8") unless you - know that you need one of the others. - -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. +config ARCH_HAS_CRC32 + bool - Only choose this option if you know what you are doing. +config CRC32_ARCH + tristate + default CRC32 if ARCH_HAS_CRC32 && CRC_OPTIMIZATIONS -config CRC32_BIT - bool "Classic Algorithm (one bit at a time)" +config CRC64 + tristate help - Calculate checksum one bit at a time. This is VERY slow, but has - no lookup table. This is provided as a debugging option. + The CRC64 library functions. Select this if your module uses any of + the functions from <linux/crc64.h>. - Only choose this option if you are debugging crc32. - -endchoice +config ARCH_HAS_CRC64 + bool -config CRC64 - tristate "CRC64 functions" - help - This option is provided for the case where no in-kernel-tree - modules require CRC64 functions, but a module built outside - the kernel tree does. Such modules that use library CRC64 - functions require M here. +config CRC64_ARCH + tristate + default CRC64 if ARCH_HAS_CRC64 && CRC_OPTIMIZATIONS config CRC4 - tristate "CRC4 functions" + tristate help - This option is provided for the case where no in-kernel-tree - modules require CRC4 functions, but a module built outside - the kernel tree does. Such modules that use library CRC4 - functions require M here. + The CRC4 library functions. Select this if your module uses any of + the functions from <linux/crc4.h>. config CRC7 - tristate "CRC7 functions" + tristate 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. + The CRC7 library functions. Select this if your module uses any of + the functions from <linux/crc7.h>. -config LIBCRC32C - tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check" - select CRYPTO - select CRYPTO_CRC32C +config CRC8 + tristate 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. + The CRC8 library functions. Select this if your module uses any of + the functions from <linux/crc8.h>. -config CRC8 - tristate "CRC8 function" +config CRC_OPTIMIZATIONS + bool "Enable optimized CRC implementations" if EXPERT + default y 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. + Disabling this option reduces code size slightly by disabling the + architecture-optimized implementations of any CRC variants that are + enabled. CRC checksumming performance may get much slower. + + Keep this enabled unless you're really trying to minimize the size of + the kernel. config XXHASH tristate @@ -542,13 +488,7 @@ config CPUMASK_OFFSTACK stack overflow. config FORCE_NR_CPUS - bool "Set number of CPUs at compile time" - depends on SMP && EXPERT && !COMPILE_TEST - help - Say Yes if you have NR_CPUS set to an actual number of possible - CPUs in your system, not to a default value. This forces the core - code to rely on compile-time value and optimize kernel routines - better. + def_bool !SMP config CPU_RMAP bool @@ -631,7 +571,8 @@ config SIGNATURE Implementation is done using GnuPG MPI library config DIMLIB - bool + tristate + depends on NET help Dynamic Interrupt Moderation library. Implements an algorithm for dynamically changing CQ moderation values @@ -785,3 +726,9 @@ config POLYNOMIAL config FIRMWARE_TABLE bool + +config UNION_FIND + bool + +config MIN_HEAP + bool |