linux-6.12.1/lib/Kconfig

1 # SPDX-License-Identifier: GPL-2.0-only
15 	bool "Automatically choose fastest RAID6 PQ functions"
19 	  Benchmark all available RAID6 PQ functions on init and choose the
31 	  converting bitfields between a CPU-usable representation and a
33 	    - Is little endian (bytes are reversed within a 32-bit group)
34 	    - The least-significant 32-bit word comes first (within a 64-bit
36 	    - The most significant bit of a byte is at its right (bit 0 of a
50 	  This option enables the use of hardware bit-reversal instructions on
90 	bool "Access I/O in non-MMIO mode"
96 	  mechanism, the host-local I/O resource can be mapped into system
98 	  system can access the I/O devices with the mapped-logic PIO through
130 	tristate "CRC-CCITT functions"
132 	  This option is provided for the case where no in-kernel-tree
133 	  modules require CRC-CCITT functions, but a module built outside
134 	  the kernel tree does. Such modules that use library CRC-CCITT
135 	  functions require M here.
138 	tristate "CRC16 functions"
140 	  This option is provided for the case where no in-kernel-tree
141 	  modules require CRC16 functions, but a module built outside
143 	  functions require M here.
164 	tristate "CRC ITU-T V.41 functions"
166 	  This option is provided for the case where no in-kernel-tree
167 	  modules require CRC ITU-T V.41 functions, but a module built outside
168 	  the kernel tree does. Such modules that use library CRC ITU-T V.41
169 	  functions require M here.
172 	tristate "CRC32/CRC32c functions"
176 	  This option is provided for the case where no in-kernel-tree
177 	  modules require CRC32/CRC32c functions, but a module built outside
179 	  functions require M here.
185 	  This option enables the CRC32 library functions to perform a
238 	tristate "CRC64 functions"
240 	  This option is provided for the case where no in-kernel-tree
241 	  modules require CRC64 functions, but a module built outside
243 	  functions require M here.
246 	tristate "CRC4 functions"
248 	  This option is provided for the case where no in-kernel-tree
249 	  modules require CRC4 functions, but a module built outside
251 	  functions require M here.
254 	tristate "CRC7 functions"
256 	  This option is provided for the case where no in-kernel-tree
257 	  modules require CRC7 functions, but a module built outside
259 	  functions require M here.
262 	tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
266 	  This option is provided for the case where no in-kernel-tree
267 	  modules require CRC32c functions, but a module built outside the
268 	  kernel tree does. Such modules that use library CRC32c functions
299 	  This option enables the 32 bit PRNG library functions to perform a
439 	  that (k + m*t) <= 2**m - 1.
471 	  Simple, embeddable, interval-tree. Can find the start of an
478 		Documentation/core-api/rbtree.rst
497 	  modify.  The algorithms are non-recursive, and the trees are highly
502 		Documentation/core-api/assoc_array.rst
554 #	is ridiculous for the amount of code involved.	Until an out-of-tree
556 #	when required.  Since we're ignoring out-of-tree users,	there's also
567 	  are compiling an out-of tree driver which tells you that it
571 	tristate "glob self-test on init"
574 	  This option enables a simple self-test of the glob_match
590 # Generic 64-bit atomic support is selected if needed
694 # memory-read error like x86 machine-check or ARM data-abort, and
696 # 'bytes-transferred' if that exception fires when accessing the source
738 	bool "Boot-time test for lwq queuing"
740           Run boot-time test of light-weight queuing.