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 |
8c2c3df3 CM |
20 | select GENERIC_IOMAP |
21 | select GENERIC_IRQ_PROBE | |
22 | select GENERIC_IRQ_SHOW | |
65cd4f6c | 23 | select GENERIC_SCHED_CLOCK |
8c2c3df3 | 24 | select GENERIC_SMP_IDLE_THREAD |
12a0ef7b WD |
25 | select GENERIC_STRNCPY_FROM_USER |
26 | select GENERIC_STRNLEN_USER | |
8c2c3df3 CM |
27 | select GENERIC_TIME_VSYSCALL |
28 | select HARDIRQS_SW_RESEND | |
9732cafd | 29 | select HAVE_ARCH_JUMP_LABEL |
9529247d | 30 | select HAVE_ARCH_KGDB |
8c2c3df3 | 31 | select HAVE_ARCH_TRACEHOOK |
9b2a60c4 | 32 | select HAVE_DEBUG_BUGVERBOSE |
b69ec42b | 33 | select HAVE_DEBUG_KMEMLEAK |
8c2c3df3 CM |
34 | select HAVE_DMA_API_DEBUG |
35 | select HAVE_DMA_ATTRS | |
6ac2104d | 36 | select HAVE_DMA_CONTIGUOUS |
50afc33a | 37 | select HAVE_EFFICIENT_UNALIGNED_ACCESS |
8c2c3df3 | 38 | select HAVE_GENERIC_DMA_COHERENT |
8c2c3df3 | 39 | select HAVE_HW_BREAKPOINT if PERF_EVENTS |
8c2c3df3 | 40 | select HAVE_MEMBLOCK |
55834a77 | 41 | select HAVE_PATA_PLATFORM |
8c2c3df3 | 42 | select HAVE_PERF_EVENTS |
2ee0d7fd JP |
43 | select HAVE_PERF_REGS |
44 | select HAVE_PERF_USER_STACK_DUMP | |
8c2c3df3 | 45 | select IRQ_DOMAIN |
fea2acaa | 46 | select MODULES_USE_ELF_RELA |
8c2c3df3 CM |
47 | select NO_BOOTMEM |
48 | select OF | |
49 | select OF_EARLY_FLATTREE | |
50 | select PERF_USE_VMALLOC | |
aa1e8ec1 CM |
51 | select POWER_RESET |
52 | select POWER_SUPPLY | |
8c2c3df3 CM |
53 | select RTC_LIB |
54 | select SPARSE_IRQ | |
7ac57a89 | 55 | select SYSCTL_EXCEPTION_TRACE |
8c2c3df3 CM |
56 | help |
57 | ARM 64-bit (AArch64) Linux support. | |
58 | ||
59 | config 64BIT | |
60 | def_bool y | |
61 | ||
62 | config ARCH_PHYS_ADDR_T_64BIT | |
63 | def_bool y | |
64 | ||
65 | config MMU | |
66 | def_bool y | |
67 | ||
68 | config NO_IOPORT | |
69 | def_bool y | |
70 | ||
71 | config STACKTRACE_SUPPORT | |
72 | def_bool y | |
73 | ||
74 | config LOCKDEP_SUPPORT | |
75 | def_bool y | |
76 | ||
77 | config TRACE_IRQFLAGS_SUPPORT | |
78 | def_bool y | |
79 | ||
8c2c3df3 CM |
80 | config RWSEM_GENERIC_SPINLOCK |
81 | def_bool y | |
82 | ||
83 | config GENERIC_HWEIGHT | |
84 | def_bool y | |
85 | ||
86 | config GENERIC_CSUM | |
87 | def_bool y | |
88 | ||
89 | config GENERIC_CALIBRATE_DELAY | |
90 | def_bool y | |
91 | ||
19e7640d | 92 | config ZONE_DMA |
8c2c3df3 CM |
93 | def_bool y |
94 | ||
95 | config ARCH_DMA_ADDR_T_64BIT | |
96 | def_bool y | |
97 | ||
98 | config NEED_DMA_MAP_STATE | |
99 | def_bool y | |
100 | ||
101 | config NEED_SG_DMA_LENGTH | |
102 | def_bool y | |
103 | ||
104 | config SWIOTLB | |
105 | def_bool y | |
106 | ||
107 | config IOMMU_HELPER | |
108 | def_bool SWIOTLB | |
109 | ||
4cfb3613 AB |
110 | config KERNEL_MODE_NEON |
111 | def_bool y | |
112 | ||
8c2c3df3 CM |
113 | source "init/Kconfig" |
114 | ||
115 | source "kernel/Kconfig.freezer" | |
116 | ||
1ae90e79 CM |
117 | menu "Platform selection" |
118 | ||
119 | config ARCH_VEXPRESS | |
120 | bool "ARMv8 software model (Versatile Express)" | |
121 | select ARCH_REQUIRE_GPIOLIB | |
122 | select COMMON_CLK_VERSATILE | |
aa1e8ec1 | 123 | select POWER_RESET_VEXPRESS |
1ae90e79 CM |
124 | select VEXPRESS_CONFIG |
125 | help | |
126 | This enables support for the ARMv8 software model (Versatile | |
127 | Express). | |
8c2c3df3 | 128 | |
15942853 VK |
129 | config ARCH_XGENE |
130 | bool "AppliedMicro X-Gene SOC Family" | |
131 | help | |
132 | This enables support for AppliedMicro X-Gene SOC Family | |
133 | ||
8c2c3df3 CM |
134 | endmenu |
135 | ||
136 | menu "Bus support" | |
137 | ||
138 | config ARM_AMBA | |
139 | bool | |
140 | ||
141 | endmenu | |
142 | ||
143 | menu "Kernel Features" | |
144 | ||
8c2c3df3 CM |
145 | config ARM64_64K_PAGES |
146 | bool "Enable 64KB pages support" | |
147 | help | |
148 | This feature enables 64KB pages support (4KB by default) | |
149 | allowing only two levels of page tables and faster TLB | |
150 | look-up. AArch32 emulation is not available when this feature | |
151 | is enabled. | |
152 | ||
a872013d WD |
153 | config CPU_BIG_ENDIAN |
154 | bool "Build big-endian kernel" | |
155 | help | |
156 | Say Y if you plan on running a kernel in big-endian mode. | |
157 | ||
8c2c3df3 CM |
158 | config SMP |
159 | bool "Symmetric Multi-Processing" | |
8c2c3df3 CM |
160 | help |
161 | This enables support for systems with more than one CPU. If | |
162 | you say N here, the kernel will run on single and | |
163 | multiprocessor machines, but will use only one CPU of a | |
164 | multiprocessor machine. If you say Y here, the kernel will run | |
165 | on many, but not all, single processor machines. On a single | |
166 | processor machine, the kernel will run faster if you say N | |
167 | here. | |
168 | ||
169 | If you don't know what to do here, say N. | |
170 | ||
f6e763b9 MB |
171 | config SCHED_MC |
172 | bool "Multi-core scheduler support" | |
173 | depends on SMP | |
174 | help | |
175 | Multi-core scheduler support improves the CPU scheduler's decision | |
176 | making when dealing with multi-core CPU chips at a cost of slightly | |
177 | increased overhead in some places. If unsure say N here. | |
178 | ||
179 | config SCHED_SMT | |
180 | bool "SMT scheduler support" | |
181 | depends on SMP | |
182 | help | |
183 | Improves the CPU scheduler's decision making when dealing with | |
184 | MultiThreading at a cost of slightly increased overhead in some | |
185 | places. If unsure say N here. | |
186 | ||
8c2c3df3 CM |
187 | config NR_CPUS |
188 | int "Maximum number of CPUs (2-32)" | |
189 | range 2 32 | |
190 | depends on SMP | |
15942853 | 191 | # These have to remain sorted largest to smallest |
62aceb8f | 192 | default "8" |
8c2c3df3 | 193 | |
9327e2c6 MR |
194 | config HOTPLUG_CPU |
195 | bool "Support for hot-pluggable CPUs" | |
196 | depends on SMP | |
197 | help | |
198 | Say Y here to experiment with turning CPUs off and on. CPUs | |
199 | can be controlled through /sys/devices/system/cpu. | |
200 | ||
8c2c3df3 CM |
201 | source kernel/Kconfig.preempt |
202 | ||
203 | config HZ | |
204 | int | |
205 | default 100 | |
206 | ||
207 | config ARCH_HAS_HOLES_MEMORYMODEL | |
208 | def_bool y if SPARSEMEM | |
209 | ||
210 | config ARCH_SPARSEMEM_ENABLE | |
211 | def_bool y | |
212 | select SPARSEMEM_VMEMMAP_ENABLE | |
213 | ||
214 | config ARCH_SPARSEMEM_DEFAULT | |
215 | def_bool ARCH_SPARSEMEM_ENABLE | |
216 | ||
217 | config ARCH_SELECT_MEMORY_MODEL | |
218 | def_bool ARCH_SPARSEMEM_ENABLE | |
219 | ||
220 | config HAVE_ARCH_PFN_VALID | |
221 | def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM | |
222 | ||
223 | config HW_PERF_EVENTS | |
224 | bool "Enable hardware performance counter support for perf events" | |
225 | depends on PERF_EVENTS | |
226 | default y | |
227 | help | |
228 | Enable hardware performance counter support for perf events. If | |
229 | disabled, perf events will use software events only. | |
230 | ||
084bd298 SC |
231 | config SYS_SUPPORTS_HUGETLBFS |
232 | def_bool y | |
233 | ||
234 | config ARCH_WANT_GENERAL_HUGETLB | |
235 | def_bool y | |
236 | ||
237 | config ARCH_WANT_HUGE_PMD_SHARE | |
238 | def_bool y if !ARM64_64K_PAGES | |
239 | ||
af074848 SC |
240 | config HAVE_ARCH_TRANSPARENT_HUGEPAGE |
241 | def_bool y | |
242 | ||
8c2c3df3 CM |
243 | source "mm/Kconfig" |
244 | ||
aa42aa13 SS |
245 | config XEN_DOM0 |
246 | def_bool y | |
247 | depends on XEN | |
248 | ||
249 | config XEN | |
250 | bool "Xen guest support on ARM64 (EXPERIMENTAL)" | |
251 | depends on ARM64 && OF | |
83862ccf | 252 | select SWIOTLB_XEN |
aa42aa13 SS |
253 | help |
254 | Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. | |
255 | ||
d03bb145 SC |
256 | config FORCE_MAX_ZONEORDER |
257 | int | |
258 | default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE) | |
259 | default "11" | |
260 | ||
8c2c3df3 CM |
261 | endmenu |
262 | ||
263 | menu "Boot options" | |
264 | ||
265 | config CMDLINE | |
266 | string "Default kernel command string" | |
267 | default "" | |
268 | help | |
269 | Provide a set of default command-line options at build time by | |
270 | entering them here. As a minimum, you should specify the the | |
271 | root device (e.g. root=/dev/nfs). | |
272 | ||
273 | config CMDLINE_FORCE | |
274 | bool "Always use the default kernel command string" | |
275 | help | |
276 | Always use the default kernel command string, even if the boot | |
277 | loader passes other arguments to the kernel. | |
278 | This is useful if you cannot or don't want to change the | |
279 | command-line options your boot loader passes to the kernel. | |
280 | ||
281 | endmenu | |
282 | ||
283 | menu "Userspace binary formats" | |
284 | ||
285 | source "fs/Kconfig.binfmt" | |
286 | ||
287 | config COMPAT | |
288 | bool "Kernel support for 32-bit EL0" | |
289 | depends on !ARM64_64K_PAGES | |
290 | select COMPAT_BINFMT_ELF | |
af1839eb | 291 | select HAVE_UID16 |
84b9e9b4 | 292 | select OLD_SIGSUSPEND3 |
51682036 | 293 | select COMPAT_OLD_SIGACTION |
8c2c3df3 CM |
294 | help |
295 | This option enables support for a 32-bit EL0 running under a 64-bit | |
296 | kernel at EL1. AArch32-specific components such as system calls, | |
297 | the user helper functions, VFP support and the ptrace interface are | |
298 | handled appropriately by the kernel. | |
299 | ||
300 | If you want to execute 32-bit userspace applications, say Y. | |
301 | ||
302 | config SYSVIPC_COMPAT | |
303 | def_bool y | |
304 | depends on COMPAT && SYSVIPC | |
305 | ||
306 | endmenu | |
307 | ||
166936ba LP |
308 | menu "Power management options" |
309 | ||
310 | source "kernel/power/Kconfig" | |
311 | ||
312 | config ARCH_SUSPEND_POSSIBLE | |
313 | def_bool y | |
314 | ||
315 | config ARM64_CPU_SUSPEND | |
316 | def_bool PM_SLEEP | |
317 | ||
318 | endmenu | |
319 | ||
1307220d LP |
320 | menu "CPU Power Management" |
321 | ||
322 | source "drivers/cpuidle/Kconfig" | |
323 | ||
324 | endmenu | |
325 | ||
addea9ef RH |
326 | menu "Power management options" |
327 | ||
328 | source "kernel/power/Kconfig" | |
329 | ||
330 | source "drivers/cpufreq/Kconfig" | |
331 | ||
332 | endmenu | |
333 | ||
8c2c3df3 CM |
334 | source "net/Kconfig" |
335 | ||
336 | source "drivers/Kconfig" | |
337 | ||
338 | source "fs/Kconfig" | |
339 | ||
c3eb5b14 MZ |
340 | source "arch/arm64/kvm/Kconfig" |
341 | ||
8c2c3df3 CM |
342 | source "arch/arm64/Kconfig.debug" |
343 | ||
344 | source "security/Kconfig" | |
345 | ||
346 | source "crypto/Kconfig" | |
347 | ||
348 | source "lib/Kconfig" |