xref: /openbmc/linux/lib/Kconfig (revision 0664996b)
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
237