b43: make struct b2056_inittabs_pts const
[deliverable/linux.git] / arch / arm64 / Kconfig
CommitLineData
8c2c3df3
CM
1config ARM64
2 def_bool y
3 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
9170100e 4 select ARCH_WANT_OPTIONAL_GPIOLIB
6212a512 5 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
b6f35981 6 select ARCH_WANT_FRAME_POINTERS
25c92a37 7 select ARM_AMBA
1aee5d7a 8 select ARM_ARCH_TIMER
db2789b5 9 select CLONE_BACKWARDS
7ca2ef33 10 select COMMON_CLK
8c2c3df3
CM
11 select GENERIC_CLOCKEVENTS
12 select GENERIC_HARDIRQS_NO_DEPRECATED
13 select GENERIC_IOMAP
14 select GENERIC_IRQ_PROBE
15 select GENERIC_IRQ_SHOW
16 select GENERIC_SMP_IDLE_THREAD
17 select GENERIC_TIME_VSYSCALL
18 select HARDIRQS_SW_RESEND
19 select HAVE_ARCH_TRACEHOOK
9b2a60c4 20 select HAVE_DEBUG_BUGVERBOSE
b69ec42b 21 select HAVE_DEBUG_KMEMLEAK
8c2c3df3
CM
22 select HAVE_DMA_API_DEBUG
23 select HAVE_DMA_ATTRS
24 select HAVE_GENERIC_DMA_COHERENT
25 select HAVE_GENERIC_HARDIRQS
26 select HAVE_HW_BREAKPOINT if PERF_EVENTS
8c2c3df3
CM
27 select HAVE_MEMBLOCK
28 select HAVE_PERF_EVENTS
8c2c3df3 29 select IRQ_DOMAIN
fea2acaa 30 select MODULES_USE_ELF_RELA
8c2c3df3
CM
31 select NO_BOOTMEM
32 select OF
33 select OF_EARLY_FLATTREE
34 select PERF_USE_VMALLOC
35 select RTC_LIB
36 select SPARSE_IRQ
7ac57a89 37 select SYSCTL_EXCEPTION_TRACE
8c2c3df3
CM
38 help
39 ARM 64-bit (AArch64) Linux support.
40
41config 64BIT
42 def_bool y
43
44config ARCH_PHYS_ADDR_T_64BIT
45 def_bool y
46
47config MMU
48 def_bool y
49
50config NO_IOPORT
51 def_bool y
52
53config STACKTRACE_SUPPORT
54 def_bool y
55
56config LOCKDEP_SUPPORT
57 def_bool y
58
59config TRACE_IRQFLAGS_SUPPORT
60 def_bool y
61
62config GENERIC_LOCKBREAK
63 def_bool y
64 depends on SMP && PREEMPT
65
66config RWSEM_GENERIC_SPINLOCK
67 def_bool y
68
69config GENERIC_HWEIGHT
70 def_bool y
71
72config GENERIC_CSUM
73 def_bool y
74
75config GENERIC_CALIBRATE_DELAY
76 def_bool y
77
78config ZONE_DMA32
79 def_bool y
80
81config ARCH_DMA_ADDR_T_64BIT
82 def_bool y
83
84config NEED_DMA_MAP_STATE
85 def_bool y
86
87config NEED_SG_DMA_LENGTH
88 def_bool y
89
90config SWIOTLB
91 def_bool y
92
93config IOMMU_HELPER
94 def_bool SWIOTLB
95
25c92a37 96config GENERIC_GPIO
9170100e 97 bool
25c92a37 98
8c2c3df3
CM
99source "init/Kconfig"
100
101source "kernel/Kconfig.freezer"
102
103menu "System Type"
104
105endmenu
106
107menu "Bus support"
108
109config ARM_AMBA
110 bool
111
112endmenu
113
114menu "Kernel Features"
115
116source "kernel/time/Kconfig"
117
118config ARM64_64K_PAGES
119 bool "Enable 64KB pages support"
120 help
121 This feature enables 64KB pages support (4KB by default)
122 allowing only two levels of page tables and faster TLB
123 look-up. AArch32 emulation is not available when this feature
124 is enabled.
125
126config SMP
127 bool "Symmetric Multi-Processing"
128 select USE_GENERIC_SMP_HELPERS
129 help
130 This enables support for systems with more than one CPU. If
131 you say N here, the kernel will run on single and
132 multiprocessor machines, but will use only one CPU of a
133 multiprocessor machine. If you say Y here, the kernel will run
134 on many, but not all, single processor machines. On a single
135 processor machine, the kernel will run faster if you say N
136 here.
137
138 If you don't know what to do here, say N.
139
140config NR_CPUS
141 int "Maximum number of CPUs (2-32)"
142 range 2 32
143 depends on SMP
144 default "4"
145
146source kernel/Kconfig.preempt
147
148config HZ
149 int
150 default 100
151
152config ARCH_HAS_HOLES_MEMORYMODEL
153 def_bool y if SPARSEMEM
154
155config ARCH_SPARSEMEM_ENABLE
156 def_bool y
157 select SPARSEMEM_VMEMMAP_ENABLE
158
159config ARCH_SPARSEMEM_DEFAULT
160 def_bool ARCH_SPARSEMEM_ENABLE
161
162config ARCH_SELECT_MEMORY_MODEL
163 def_bool ARCH_SPARSEMEM_ENABLE
164
165config HAVE_ARCH_PFN_VALID
166 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
167
168config HW_PERF_EVENTS
169 bool "Enable hardware performance counter support for perf events"
170 depends on PERF_EVENTS
171 default y
172 help
173 Enable hardware performance counter support for perf events. If
174 disabled, perf events will use software events only.
175
176source "mm/Kconfig"
177
178endmenu
179
180menu "Boot options"
181
182config CMDLINE
183 string "Default kernel command string"
184 default ""
185 help
186 Provide a set of default command-line options at build time by
187 entering them here. As a minimum, you should specify the the
188 root device (e.g. root=/dev/nfs).
189
190config CMDLINE_FORCE
191 bool "Always use the default kernel command string"
192 help
193 Always use the default kernel command string, even if the boot
194 loader passes other arguments to the kernel.
195 This is useful if you cannot or don't want to change the
196 command-line options your boot loader passes to the kernel.
197
198endmenu
199
200menu "Userspace binary formats"
201
202source "fs/Kconfig.binfmt"
203
204config COMPAT
205 bool "Kernel support for 32-bit EL0"
206 depends on !ARM64_64K_PAGES
207 select COMPAT_BINFMT_ELF
af1839eb 208 select HAVE_UID16
84b9e9b4 209 select OLD_SIGSUSPEND3
51682036 210 select COMPAT_OLD_SIGACTION
8c2c3df3
CM
211 help
212 This option enables support for a 32-bit EL0 running under a 64-bit
213 kernel at EL1. AArch32-specific components such as system calls,
214 the user helper functions, VFP support and the ptrace interface are
215 handled appropriately by the kernel.
216
217 If you want to execute 32-bit userspace applications, say Y.
218
219config SYSVIPC_COMPAT
220 def_bool y
221 depends on COMPAT && SYSVIPC
222
223endmenu
224
225source "net/Kconfig"
226
227source "drivers/Kconfig"
228
229source "fs/Kconfig"
230
231source "arch/arm64/Kconfig.debug"
232
233source "security/Kconfig"
234
235source "crypto/Kconfig"
236
237source "lib/Kconfig"
This page took 0.062773 seconds and 5 git commands to generate.