Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#
2# Library configuration
3#
4
5config BINARY_PRINTF
6 def_bool n
7
8menu "Library routines"
9
10config RAID6_PQ
11 tristate
12
13config BITREVERSE
14 tristate
15
16config RATIONAL
17 boolean
18
19config GENERIC_FIND_FIRST_BIT
20 bool
21
22config GENERIC_FIND_NEXT_BIT
23 bool
24
25config GENERIC_FIND_BIT_LE
26 bool
27
28config GENERIC_FIND_LAST_BIT
29 bool
30 default y
31
32config CRC_CCITT
33 tristate "CRC-CCITT functions"
34 help
35 This option is provided for the case where no in-kernel-tree
36 modules require CRC-CCITT functions, but a module built outside
37 the kernel tree does. Such modules that use library CRC-CCITT
38 functions require M here.
39
40config CRC16
41 tristate "CRC16 functions"
42 help
43 This option is provided for the case where no in-kernel-tree
44 modules require CRC16 functions, but a module built outside
45 the kernel tree does. Such modules that use library CRC16
46 functions require M here.
47
48config CRC_T10DIF
49 tristate "CRC calculation for the T10 Data Integrity Field"
50 help
51 This option is only needed if a module that's not in the
52 kernel tree needs to calculate CRC checks for use with the
53 SCSI data integrity subsystem.
54
55config CRC_ITU_T
56 tristate "CRC ITU-T V.41 functions"
57 help
58 This option is provided for the case where no in-kernel-tree
59 modules require CRC ITU-T V.41 functions, but a module built outside
60 the kernel tree does. Such modules that use library CRC ITU-T V.41
61 functions require M here.
62
63config CRC32
64 tristate "CRC32 functions"
65 default y
66 select BITREVERSE
67 help
68 This option is provided for the case where no in-kernel-tree
69 modules require CRC32 functions, but a module built outside the
70 kernel tree does. Such modules that use library CRC32 functions
71 require M here.
72
73config CRC7
74 tristate "CRC7 functions"
75 help
76 This option is provided for the case where no in-kernel-tree
77 modules require CRC7 functions, but a module built outside
78 the kernel tree does. Such modules that use library CRC7
79 functions require M here.
80
81config LIBCRC32C
82 tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
83 select CRYPTO
84 select CRYPTO_CRC32C
85 help
86 This option is provided for the case where no in-kernel-tree
87 modules require CRC32c functions, but a module built outside the
88 kernel tree does. Such modules that use library CRC32c functions
89 require M here. See Castagnoli93.
90 Module will be libcrc32c.
91
92config AUDIT_GENERIC
93 bool
94 depends on AUDIT && !AUDIT_ARCH
95 default y
96
97#
98# compression support is select'ed if needed
99#
100config ZLIB_INFLATE
101 tristate
102
103config ZLIB_DEFLATE
104 tristate
105
106config LZO_COMPRESS
107 tristate
108
109config LZO_DECOMPRESS
110 tristate
111
112source "lib/xz/Kconfig"
113
114#
115# These all provide a common interface (hence the apparent duplication with
116# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
117#
118config DECOMPRESS_GZIP
119 select ZLIB_INFLATE
120 tristate
121
122config DECOMPRESS_BZIP2
123 tristate
124
125config DECOMPRESS_LZMA
126 tristate
127
128config DECOMPRESS_XZ
129 select XZ_DEC
130 tristate
131
132config DECOMPRESS_LZO
133 select LZO_DECOMPRESS
134 tristate
135
136#
137# Generic allocator support is selected if needed
138#
139config GENERIC_ALLOCATOR
140 boolean
141
142#
143# reed solomon support is select'ed if needed
144#
145config REED_SOLOMON
146 tristate
147
148config REED_SOLOMON_ENC8
149 boolean
150
151config REED_SOLOMON_DEC8
152 boolean
153
154config REED_SOLOMON_ENC16
155 boolean
156
157config REED_SOLOMON_DEC16
158 boolean
159
160#
161# Textsearch support is select'ed if needed
162#
163config TEXTSEARCH
164 boolean
165
166config TEXTSEARCH_KMP
167 tristate
168
169config TEXTSEARCH_BM
170 tristate
171
172config TEXTSEARCH_FSM
173 tristate
174
175config BTREE
176 boolean
177
178config HAS_IOMEM
179 boolean
180 depends on !NO_IOMEM
181 default y
182
183config HAS_IOPORT
184 boolean
185 depends on HAS_IOMEM && !NO_IOPORT
186 default y
187
188config HAS_DMA
189 boolean
190 depends on !NO_DMA
191 default y
192
193config CHECK_SIGNATURE
194 bool
195
196config CPUMASK_OFFSTACK
197 bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
198 help
199 Use dynamic allocation for cpumask_var_t, instead of putting
200 them on the stack. This is a bit more expensive, but avoids
201 stack overflow.
202
203config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
204 bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
205 depends on EXPERIMENTAL && BROKEN
206
207config CPU_RMAP
208 bool
209 depends on SMP
210
211#
212# Netlink attribute parsing support is select'ed if needed
213#
214config NLATTR
215 bool
216
217#
218# Generic 64-bit atomic support is selected if needed
219#
220config GENERIC_ATOMIC64
221 bool
222
223config LRU_CACHE
224 tristate
225
226config AVERAGE
227 bool "Averaging functions"
228 help
229 This option is provided for the case where no in-kernel-tree
230 modules require averaging functions, but a module built outside
231 the kernel tree does. Such modules that use library averaging
232 functions require Y here.
233
234 If unsure, say N.
235
236endmenu