diff options
Diffstat (limited to 'lib/Kconfig')
| -rw-r--r-- | lib/Kconfig | 182 |
1 files changed, 158 insertions, 24 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 90623a0e1942..5ddda7c2ed9b 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -19,8 +19,12 @@ config RAID6_PQ_BENCHMARK Benchmark all available RAID6 PQ functions on init and choose the fastest one. +config LINEAR_RANGES + tristate + config PACKING bool "Generic bitfield packing and unpacking" + select BITREVERSE default n help This option provides the packing() helper function, which permits @@ -42,21 +46,23 @@ config BITREVERSE config HAVE_ARCH_BITREVERSE bool default n - depends on BITREVERSE help This option enables the use of hardware bit-reversal instructions on architectures which support such operations. -config GENERIC_STRNCPY_FROM_USER +config ARCH_HAS_STRNCPY_FROM_USER bool -config GENERIC_STRNLEN_USER +config ARCH_HAS_STRNLEN_USER bool -config GENERIC_NET_UTILS - bool +config GENERIC_STRNCPY_FROM_USER + def_bool !ARCH_HAS_STRNCPY_FROM_USER + +config GENERIC_STRNLEN_USER + def_bool !ARCH_HAS_STRNLEN_USER -config GENERIC_FIND_FIRST_BIT +config GENERIC_NET_UTILS bool source "lib/math/Kconfig" @@ -80,9 +86,13 @@ config ARCH_USE_CMPXCHG_LOCKREF config ARCH_HAS_FAST_MULTIPLIER bool +config ARCH_USE_SYM_ANNOTATIONS + bool + config INDIRECT_PIO bool "Access I/O in non-MMIO mode" depends on ARM64 + depends on HAS_IOPORT help On some platforms where no separate I/O space exists, there are I/O hosts which can not be accessed in MMIO mode. Using the logical PIO @@ -96,6 +106,29 @@ config INDIRECT_PIO When in doubt, say N. +config INDIRECT_IOMEM + bool + help + This is selected by other options/architectures to provide the + emulated iomem accessors. + +config INDIRECT_IOMEM_FALLBACK + bool + depends on INDIRECT_IOMEM + help + If INDIRECT_IOMEM is selected, this enables falling back to plain + mmio accesses when the IO memory address is not a registered + emulated region. + +config TRACE_MMIO_ACCESS + bool "Register read/write tracing" + depends on TRACING && ARCH_HAVE_TRACE_MMIO_ACCESS + help + Create tracepoints for MMIO read/write operations. These trace events + can be used for logging all MMIO read/write operations. + +source "lib/crypto/Kconfig" + config CRC_CCITT tristate "CRC-CCITT functions" help @@ -121,6 +154,15 @@ config CRC_T10DIF kernel tree needs to calculate CRC checks for use with the SCSI data integrity subsystem. +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 CRC_ITU_T tristate "CRC ITU-T V.41 functions" help @@ -278,6 +320,13 @@ config ZLIB_DEFLATE tristate select BITREVERSE +config ZLIB_DFLTCC + def_bool y + depends on S390 + prompt "Enable s390x DEFLATE CONVERSION CALL support for kernel zlib" + help + Enable s390x hardware support for zlib in the kernel. + config LZO_COMPRESS tristate @@ -293,12 +342,16 @@ config LZ4HC_COMPRESS config LZ4_DECOMPRESS tristate -config ZSTD_COMPRESS +config ZSTD_COMMON select XXHASH tristate +config ZSTD_COMPRESS + select ZSTD_COMMON + tristate + config ZSTD_DECOMPRESS - select XXHASH + select ZSTD_COMMON tristate source "lib/xz/Kconfig" @@ -329,6 +382,10 @@ config DECOMPRESS_LZ4 select LZ4_DECOMPRESS tristate +config DECOMPRESS_ZSTD + select ZSTD_DECOMPRESS + tristate + # # Generic allocator support is selected if needed # @@ -358,6 +415,7 @@ config REED_SOLOMON_DEC16 # config BCH tristate + select BITREVERSE config BCH_CONST_PARAMS bool @@ -420,10 +478,14 @@ config INTERVAL_TREE See: - Documentation/rbtree.txt + Documentation/core-api/rbtree.rst for more information. +config INTERVAL_TREE_SPAN_ITER + bool + depends on INTERVAL_TREE + config XARRAY_MULTI bool help @@ -444,12 +506,17 @@ config ASSOCIATIVE_ARRAY for more information. +config CLOSURES + bool + config HAS_IOMEM bool depends on !NO_IOMEM - select GENERIC_IO default y +config HAS_IOPORT + bool + config HAS_IOPORT_MAP bool depends on HAS_IOMEM && !NO_IOPORT_MAP @@ -474,6 +541,15 @@ config CPUMASK_OFFSTACK them on the stack. This is a bit more expensive, but avoids 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. + config CPU_RMAP bool depends on SMP @@ -531,14 +607,6 @@ config LRU_CACHE config CLZ_TAB bool -config DDR - bool "JEDEC DDR data" - help - Data from JEDEC specs for DDR SDRAM memories, - particularly the AC timing parameters and addressing - information. This data is useful for drivers handling - DDR SDRAM controllers. - config IRQ_POLL bool "IRQ polling library" help @@ -562,6 +630,13 @@ config SIGNATURE Digital signature verification. Currently only RSA is supported. Implementation is done using GnuPG MPI library +config DIMLIB + bool + help + Dynamic Interrupt Moderation library. + Implements an algorithm for dynamically changing CQ moderation values + according to run time performance. + # # libfdt files, only selected if needed. # @@ -574,7 +649,12 @@ config OID_REGISTRY Enable fast lookup object identifier registry. config UCS2_STRING - tristate + tristate + +# +# generic vdso +# +source "lib/vdso/Kconfig" source "lib/fonts/Kconfig" @@ -602,6 +682,15 @@ config ARCH_NO_SG_CHAIN config ARCH_HAS_PMEM_API bool +config MEMREGION + bool + +config ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION + bool + +config ARCH_HAS_MEMREMAP_COMPAT_ALIGN + bool + # use memcpy to implement user copies for nommu architectures config UACCESS_MEMCPY bool @@ -609,7 +698,12 @@ config UACCESS_MEMCPY config ARCH_HAS_UACCESS_FLUSHCACHE bool -config ARCH_HAS_UACCESS_MCSAFE +# arch has a concept of a recoverable synchronous exception due to a +# memory-read error like x86 machine-check or ARM data-abort, and +# implements copy_mc_to_{user,kernel} to abort and report +# 'bytes-transferred' if that exception fires when accessing the source +# buffer. +config ARCH_HAS_COPY_MC bool # Temporary. Goes away when all archs are cleaned up @@ -619,6 +713,25 @@ config ARCH_STACKWALK config STACKDEPOT bool select STACKTRACE + help + Stack depot: stack trace storage that avoids duplication + +config STACKDEPOT_ALWAYS_INIT + bool + select STACKDEPOT + help + Always initialize stack depot during early boot + +config STACKDEPOT_MAX_FRAMES + int "Maximum number of frames in trace saved in stack depot" + range 1 256 + default 64 + depends on STACKDEPOT + +config REF_TRACKER + bool + depends on STACKTRACE_SUPPORT + select STACKDEPOT config SBITMAP bool @@ -626,11 +739,19 @@ config SBITMAP config PARMAN tristate "parman" if COMPILE_TEST -config STRING_SELFTEST - tristate "Test string functions" +config OBJAGG + tristate "objagg" if COMPILE_TEST + +config LWQ_TEST + bool "Boot-time test for lwq queuing" + help + Run boot-time test of light-weight queuing. endmenu +config GENERIC_IOREMAP + bool + config GENERIC_LIB_ASHLDI3 bool @@ -649,5 +770,18 @@ config GENERIC_LIB_CMPDI2 config GENERIC_LIB_UCMPDI2 bool -config OBJAGG - tristate "objagg" if COMPILE_TEST +config GENERIC_LIB_DEVMEM_IS_ALLOWED + bool + +config PLDMFW + bool + default n + +config ASN1_ENCODER + tristate + +config POLYNOMIAL + tristate + +config FIRMWARE_TABLE + bool |