Commit | Line | Data |
---|---|---|
8c2c3df3 CM |
1 | config ARM64 |
2 | def_bool y | |
3 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
5686b06c | 4 | select ARCH_USE_CMPXCHG_LOCKREF |
1f85008e | 5 | select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST |
9170100e | 6 | select ARCH_WANT_OPTIONAL_GPIOLIB |
6212a512 | 7 | select ARCH_WANT_COMPAT_IPC_PARSE_VERSION |
b6f35981 | 8 | select ARCH_WANT_FRAME_POINTERS |
25c92a37 | 9 | select ARM_AMBA |
1aee5d7a | 10 | select ARM_ARCH_TIMER |
c4188edc | 11 | select ARM_GIC |
adace895 | 12 | select BUILDTIME_EXTABLE_SORT |
db2789b5 | 13 | select CLONE_BACKWARDS |
7ca2ef33 | 14 | select COMMON_CLK |
166936ba | 15 | select CPU_PM if (SUSPEND || CPU_IDLE) |
7bc13fd3 | 16 | select DCACHE_WORD_ACCESS |
8c2c3df3 | 17 | select GENERIC_CLOCKEVENTS |
1f85008e | 18 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
3be1a5c4 | 19 | select GENERIC_CPU_AUTOPROBE |
bf4b558e | 20 | select GENERIC_EARLY_IOREMAP |
8c2c3df3 CM |
21 | select GENERIC_IOMAP |
22 | select GENERIC_IRQ_PROBE | |
23 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 24 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 25 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
26 | select GENERIC_STRNCPY_FROM_USER |
27 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
28 | select GENERIC_TIME_VSYSCALL |
29 | select HARDIRQS_SW_RESEND | |
9732cafd | 30 | select HAVE_ARCH_JUMP_LABEL |
9529247d | 31 | select HAVE_ARCH_KGDB |
8c2c3df3 | 32 | select HAVE_ARCH_TRACEHOOK |
af64d2aa | 33 | select HAVE_C_RECORDMCOUNT |
9b2a60c4 | 34 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 35 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
36 | select HAVE_DMA_API_DEBUG |
37 | select HAVE_DMA_ATTRS | |
6ac2104d | 38 | select HAVE_DMA_CONTIGUOUS |
50afc33a | 39 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
af64d2aa | 40 | select HAVE_FTRACE_MCOUNT_RECORD |
819e50e2 AT |
41 | select HAVE_FUNCTION_TRACER |
42 | select HAVE_FUNCTION_GRAPH_TRACER | |
8c2c3df3 | 43 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 44 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 45 | select HAVE_MEMBLOCK |
55834a77 | 46 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 47 | select HAVE_PERF_EVENTS |
2ee0d7fd JP |
48 | select HAVE_PERF_REGS |
49 | select HAVE_PERF_USER_STACK_DUMP | |
8c2c3df3 | 50 | select IRQ_DOMAIN |
fea2acaa | 51 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
52 | select NO_BOOTMEM |
53 | select OF | |
54 | select OF_EARLY_FLATTREE | |
9bf14b7c | 55 | select OF_RESERVED_MEM |
8c2c3df3 | 56 | select PERF_USE_VMALLOC |
aa1e8ec1 CM |
57 | select POWER_RESET |
58 | select POWER_SUPPLY | |
8c2c3df3 CM |
59 | select RTC_LIB |
60 | select SPARSE_IRQ | |
7ac57a89 | 61 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
62 | help |
63 | ARM 64-bit (AArch64) Linux support. | |
64 | ||
65 | config 64BIT | |
66 | def_bool y | |
67 | ||
68 | config ARCH_PHYS_ADDR_T_64BIT | |
69 | def_bool y | |
70 | ||
71 | config MMU | |
72 | def_bool y | |
73 | ||
ce816fa8 | 74 | config NO_IOPORT_MAP |
8c2c3df3 CM |
75 | def_bool y |
76 | ||
77 | config STACKTRACE_SUPPORT | |
78 | def_bool y | |
79 | ||
80 | config LOCKDEP_SUPPORT | |
81 | def_bool y | |
82 | ||
83 | config TRACE_IRQFLAGS_SUPPORT | |
84 | def_bool y | |
85 | ||
c209f799 | 86 | config RWSEM_XCHGADD_ALGORITHM |
8c2c3df3 CM |
87 | def_bool y |
88 | ||
89 | config GENERIC_HWEIGHT | |
90 | def_bool y | |
91 | ||
92 | config GENERIC_CSUM | |
93 | def_bool y | |
94 | ||
95 | config GENERIC_CALIBRATE_DELAY | |
96 | def_bool y | |
97 | ||
19e7640d | 98 | config ZONE_DMA |
8c2c3df3 CM |
99 | def_bool y |
100 | ||
101 | config ARCH_DMA_ADDR_T_64BIT | |
102 | def_bool y | |
103 | ||
104 | config NEED_DMA_MAP_STATE | |
105 | def_bool y | |
106 | ||
107 | config NEED_SG_DMA_LENGTH | |
108 | def_bool y | |
109 | ||
110 | config SWIOTLB | |
111 | def_bool y | |
112 | ||
113 | config IOMMU_HELPER | |
114 | def_bool SWIOTLB | |
115 | ||
4cfb3613 AB |
116 | config KERNEL_MODE_NEON |
117 | def_bool y | |
118 | ||
8c2c3df3 CM |
119 | source "init/Kconfig" |
120 | ||
121 | source "kernel/Kconfig.freezer" | |
122 | ||
1ae90e79 CM |
123 | menu "Platform selection" |
124 | ||
125 | config ARCH_VEXPRESS | |
126 | bool "ARMv8 software model (Versatile Express)" | |
127 | select ARCH_REQUIRE_GPIOLIB | |
128 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 129 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
130 | select VEXPRESS_CONFIG |
131 | help | |
132 | This enables support for the ARMv8 software model (Versatile | |
133 | Express). | |
8c2c3df3 | 134 | |
15942853 VK |
135 | config ARCH_XGENE |
136 | bool "AppliedMicro X-Gene SOC Family" | |
137 | help | |
138 | This enables support for AppliedMicro X-Gene SOC Family | |
139 | ||
8c2c3df3 CM |
140 | endmenu |
141 | ||
142 | menu "Bus support" | |
143 | ||
144 | config ARM_AMBA | |
145 | bool | |
146 | ||
147 | endmenu | |
148 | ||
149 | menu "Kernel Features" | |
150 | ||
8c2c3df3 CM |
151 | config ARM64_64K_PAGES |
152 | bool "Enable 64KB pages support" | |
153 | help | |
154 | This feature enables 64KB pages support (4KB by default) | |
155 | allowing only two levels of page tables and faster TLB | |
156 | look-up. AArch32 emulation is not available when this feature | |
157 | is enabled. | |
158 | ||
a872013d WD |
159 | config CPU_BIG_ENDIAN |
160 | bool "Build big-endian kernel" | |
161 | help | |
162 | Say Y if you plan on running a kernel in big-endian mode. | |
163 | ||
8c2c3df3 CM |
164 | config SMP |
165 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
166 | help |
167 | This enables support for systems with more than one CPU. If | |
168 | you say N here, the kernel will run on single and | |
169 | multiprocessor machines, but will use only one CPU of a | |
170 | multiprocessor machine. If you say Y here, the kernel will run | |
171 | on many, but not all, single processor machines. On a single | |
172 | processor machine, the kernel will run faster if you say N | |
173 | here. | |
174 | ||
175 | If you don't know what to do here, say N. | |
176 | ||
f6e763b9 MB |
177 | config SCHED_MC |
178 | bool "Multi-core scheduler support" | |
179 | depends on SMP | |
180 | help | |
181 | Multi-core scheduler support improves the CPU scheduler's decision | |
182 | making when dealing with multi-core CPU chips at a cost of slightly | |
183 | increased overhead in some places. If unsure say N here. | |
184 | ||
185 | config SCHED_SMT | |
186 | bool "SMT scheduler support" | |
187 | depends on SMP | |
188 | help | |
189 | Improves the CPU scheduler's decision making when dealing with | |
190 | MultiThreading at a cost of slightly increased overhead in some | |
191 | places. If unsure say N here. | |
192 | ||
8c2c3df3 CM |
193 | config NR_CPUS |
194 | int "Maximum number of CPUs (2-32)" | |
195 | range 2 32 | |
196 | depends on SMP | |
15942853 | 197 | # These have to remain sorted largest to smallest |
62aceb8f | 198 | default "8" |
8c2c3df3 | 199 | |
9327e2c6 MR |
200 | config HOTPLUG_CPU |
201 | bool "Support for hot-pluggable CPUs" | |
202 | depends on SMP | |
203 | help | |
204 | Say Y here to experiment with turning CPUs off and on. CPUs | |
205 | can be controlled through /sys/devices/system/cpu. | |
206 | ||
8c2c3df3 CM |
207 | source kernel/Kconfig.preempt |
208 | ||
209 | config HZ | |
210 | int | |
211 | default 100 | |
212 | ||
213 | config ARCH_HAS_HOLES_MEMORYMODEL | |
214 | def_bool y if SPARSEMEM | |
215 | ||
216 | config ARCH_SPARSEMEM_ENABLE | |
217 | def_bool y | |
218 | select SPARSEMEM_VMEMMAP_ENABLE | |
219 | ||
220 | config ARCH_SPARSEMEM_DEFAULT | |
221 | def_bool ARCH_SPARSEMEM_ENABLE | |
222 | ||
223 | config ARCH_SELECT_MEMORY_MODEL | |
224 | def_bool ARCH_SPARSEMEM_ENABLE | |
225 | ||
226 | config HAVE_ARCH_PFN_VALID | |
227 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
228 | ||
229 | config HW_PERF_EVENTS | |
230 | bool "Enable hardware performance counter support for perf events" | |
231 | depends on PERF_EVENTS | |
232 | default y | |
233 | help | |
234 | Enable hardware performance counter support for perf events. If | |
235 | disabled, perf events will use software events only. | |
236 | ||
084bd298 SC |
237 | config SYS_SUPPORTS_HUGETLBFS |
238 | def_bool y | |
239 | ||
240 | config ARCH_WANT_GENERAL_HUGETLB | |
241 | def_bool y | |
242 | ||
243 | config ARCH_WANT_HUGE_PMD_SHARE | |
244 | def_bool y if !ARM64_64K_PAGES | |
245 | ||
af074848 SC |
246 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
247 | def_bool y | |
248 | ||
a41dc0e8 CM |
249 | config ARCH_HAS_CACHE_LINE_SIZE |
250 | def_bool y | |
251 | ||
8c2c3df3 CM |
252 | source "mm/Kconfig" |
253 | ||
aa42aa13 SS |
254 | config XEN_DOM0 |
255 | def_bool y | |
256 | depends on XEN | |
257 | ||
258 | config XEN | |
259 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
260 | depends on ARM64 && OF | |
83862ccf | 261 | select SWIOTLB_XEN |
aa42aa13 SS |
262 | help |
263 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
264 | ||
d03bb145 SC |
265 | config FORCE_MAX_ZONEORDER |
266 | int | |
267 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
268 | default "11" | |
269 | ||
8c2c3df3 CM |
270 | endmenu |
271 | ||
272 | menu "Boot options" | |
273 | ||
274 | config CMDLINE | |
275 | string "Default kernel command string" | |
276 | default "" | |
277 | help | |
278 | Provide a set of default command-line options at build time by | |
279 | entering them here. As a minimum, you should specify the the | |
280 | root device (e.g. root=/dev/nfs). | |
281 | ||
282 | config CMDLINE_FORCE | |
283 | bool "Always use the default kernel command string" | |
284 | help | |
285 | Always use the default kernel command string, even if the boot | |
286 | loader passes other arguments to the kernel. | |
287 | This is useful if you cannot or don't want to change the | |
288 | command-line options your boot loader passes to the kernel. | |
289 | ||
290 | endmenu | |
291 | ||
292 | menu "Userspace binary formats" | |
293 | ||
294 | source "fs/Kconfig.binfmt" | |
295 | ||
296 | config COMPAT | |
297 | bool "Kernel support for 32-bit EL0" | |
298 | depends on !ARM64_64K_PAGES | |
299 | select COMPAT_BINFMT_ELF | |
af1839eb | 300 | select HAVE_UID16 |
84b9e9b4 | 301 | select OLD_SIGSUSPEND3 |
51682036 | 302 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
303 | help |
304 | This option enables support for a 32-bit EL0 running under a 64-bit | |
305 | kernel at EL1. AArch32-specific components such as system calls, | |
306 | the user helper functions, VFP support and the ptrace interface are | |
307 | handled appropriately by the kernel. | |
308 | ||
309 | If you want to execute 32-bit userspace applications, say Y. | |
310 | ||
311 | config SYSVIPC_COMPAT | |
312 | def_bool y | |
313 | depends on COMPAT && SYSVIPC | |
314 | ||
315 | endmenu | |
316 | ||
166936ba LP |
317 | menu "Power management options" |
318 | ||
319 | source "kernel/power/Kconfig" | |
320 | ||
321 | config ARCH_SUSPEND_POSSIBLE | |
322 | def_bool y | |
323 | ||
324 | config ARM64_CPU_SUSPEND | |
325 | def_bool PM_SLEEP | |
326 | ||
327 | endmenu | |
328 | ||
1307220d LP |
329 | menu "CPU Power Management" |
330 | ||
331 | source "drivers/cpuidle/Kconfig" | |
332 | ||
52e7e816 RH |
333 | source "drivers/cpufreq/Kconfig" |
334 | ||
335 | endmenu | |
336 | ||
8c2c3df3 CM |
337 | source "net/Kconfig" |
338 | ||
339 | source "drivers/Kconfig" | |
340 | ||
341 | source "fs/Kconfig" | |
342 | ||
c3eb5b14 MZ |
343 | source "arch/arm64/kvm/Kconfig" |
344 | ||
8c2c3df3 CM |
345 | source "arch/arm64/Kconfig.debug" |
346 | ||
347 | source "security/Kconfig" | |
348 | ||
349 | source "crypto/Kconfig" | |
2c98833a AB |
350 | if CRYPTO |
351 | source "arch/arm64/crypto/Kconfig" | |
352 | endif | |
8c2c3df3 CM |
353 | |
354 | source "lib/Kconfig" |