1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MMU !! 2 config ALPHA
3 def_bool y !! 3 bool
>> 4 default y
>> 5 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 6 select ARCH_MIGHT_HAVE_PC_SERIO
>> 7 select ARCH_USE_CMPXCHG_LOCKREF
>> 8 select HAVE_AOUT
>> 9 select HAVE_IDE
>> 10 select HAVE_OPROFILE
>> 11 select HAVE_PCSPKR_PLATFORM
>> 12 select HAVE_PERF_EVENTS
>> 13 select NEED_DMA_MAP_STATE
>> 14 select NEED_SG_DMA_LENGTH
>> 15 select VIRT_TO_BUS
>> 16 select GENERIC_IRQ_PROBE
>> 17 select AUTO_IRQ_AFFINITY if SMP
>> 18 select GENERIC_IRQ_SHOW
>> 19 select ARCH_WANT_IPC_PARSE_VERSION
>> 20 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 21 select AUDIT_ARCH
>> 22 select GENERIC_CLOCKEVENTS
>> 23 select GENERIC_CPU_VULNERABILITIES
>> 24 select GENERIC_SMP_IDLE_THREAD
>> 25 select GENERIC_STRNCPY_FROM_USER
>> 26 select GENERIC_STRNLEN_USER
>> 27 select HAVE_ARCH_AUDITSYSCALL
>> 28 select HAVE_MOD_ARCH_SPECIFIC
>> 29 select MODULES_USE_ELF_RELA
>> 30 select ODD_RT_SIGACTION
>> 31 select OLD_SIGSUSPEND
>> 32 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
>> 33 help
>> 34 The Alpha is a 64-bit general-purpose processor designed and
>> 35 marketed by the Digital Equipment Corporation of blessed memory,
>> 36 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 37 <http://www.alphalinux.org/>.
4 38
5 config CPU_BIG_ENDIAN !! 39 config 64BIT
6 def_bool y 40 def_bool y
7 41
8 config LOCKDEP_SUPPORT !! 42 config MMU
9 def_bool y !! 43 bool
>> 44 default y
10 45
11 config STACKTRACE_SUPPORT !! 46 config RWSEM_GENERIC_SPINLOCK
12 def_bool y !! 47 bool
>> 48
>> 49 config RWSEM_XCHGADD_ALGORITHM
>> 50 bool
>> 51 default y
13 52
14 config ARCH_HAS_ILOG2_U32 53 config ARCH_HAS_ILOG2_U32
15 def_bool n !! 54 bool
>> 55 default n
16 56
17 config ARCH_HAS_ILOG2_U64 57 config ARCH_HAS_ILOG2_U64
18 def_bool n !! 58 bool
19 !! 59 default n
20 config ARCH_PROC_KCORE_TEXT <<
21 def_bool y <<
22 60
23 config GENERIC_HWEIGHT !! 61 config GENERIC_CALIBRATE_DELAY
24 def_bool !HAVE_MARCH_Z196_FEATURES !! 62 bool
>> 63 default y
25 64
26 config GENERIC_BUG !! 65 config ZONE_DMA
27 def_bool y if BUG !! 66 bool
>> 67 default y
28 68
29 config GENERIC_BUG_RELATIVE_POINTERS !! 69 config GENERIC_ISA_DMA
30 def_bool y !! 70 bool
>> 71 default y
31 72
32 config GENERIC_LOCKBREAK !! 73 config PGTABLE_LEVELS
33 def_bool y if PREEMPTION !! 74 int
>> 75 default 3
34 76
35 config PGSTE !! 77 source "init/Kconfig"
36 def_bool y if KVM !! 78 source "kernel/Kconfig.freezer"
37 79
38 config AUDIT_ARCH 80 config AUDIT_ARCH
39 def_bool y !! 81 bool
40 82
41 config NO_IOPORT_MAP !! 83 menu "System setup"
42 def_bool y <<
43 84
44 config PCI_QUIRKS !! 85 choice
45 def_bool n !! 86 prompt "Alpha system type"
>> 87 default ALPHA_GENERIC
>> 88 ---help---
>> 89 This is the system type of your hardware. A "generic" kernel will
>> 90 run on any supported Alpha system. However, if you configure a
>> 91 kernel for your specific system, it will be faster and smaller.
46 92
47 config ARCH_SUPPORTS_UPROBES !! 93 To find out what type of Alpha system you have, you may want to
48 def_bool y !! 94 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 95 <http://www.alphalinux.org/>. In summary:
49 96
50 config KASAN_SHADOW_OFFSET !! 97 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
51 hex !! 98 Alpha-XL XL-233, XL-266
52 depends on KASAN !! 99 AlphaBook1 Alpha laptop
53 default 0x1C000000000000 !! 100 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 101 Cabriolet AlphaPC64, AlphaPCI64
>> 102 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 103 EB164 EB164 21164 evaluation board
>> 104 EB64+ EB64+ 21064 evaluation board
>> 105 EB66 EB66 21066 evaluation board
>> 106 EB66+ EB66+ 21066 evaluation board
>> 107 Jensen DECpc 150, DEC 2000 models 300, 500
>> 108 LX164 AlphaPC164-LX
>> 109 Lynx AS 2100A
>> 110 Miata Personal Workstation 433/500/600 a/au
>> 111 Marvel AlphaServer ES47 / ES80 / GS1280
>> 112 Mikasa AS 1000
>> 113 Noname AXPpci33, UDB (Multia)
>> 114 Noritake AS 1000A, AS 600A, AS 800
>> 115 PC164 AlphaPC164
>> 116 Rawhide AS 1200, AS 4000, AS 4100
>> 117 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 118 SX164 AlphaPC164-SX
>> 119 Sable AS 2000, AS 2100
>> 120 Shark DS 20L
>> 121 Takara Takara (OEM)
>> 122 Titan AlphaServer ES45 / DS25 / DS15
>> 123 Wildfire AlphaServer GS 40/80/160/320
54 124
55 config S390 !! 125 If you don't know what to do, choose "generic".
56 def_bool y <<
57 # <<
58 # Note: keep this list sorted alphabet <<
59 # <<
60 imply IMA_SECURE_AND_OR_TRUSTED_BOOT <<
61 select ALTERNATE_USER_ADDRESS_SPACE <<
62 select ARCH_32BIT_USTAT_F_TINODE <<
63 select ARCH_BINFMT_ELF_STATE <<
64 select ARCH_CORRECT_STACKTRACE_ON_KRET <<
65 select ARCH_ENABLE_MEMORY_HOTPLUG if S <<
66 select ARCH_ENABLE_MEMORY_HOTREMOVE <<
67 select ARCH_ENABLE_SPLIT_PMD_PTLOCK if <<
68 select ARCH_HAS_CURRENT_STACK_POINTER <<
69 select ARCH_HAS_DEBUG_VIRTUAL <<
70 select ARCH_HAS_DEBUG_VM_PGTABLE <<
71 select ARCH_HAS_DEBUG_WX <<
72 select ARCH_HAS_DEVMEM_IS_ALLOWED <<
73 select ARCH_HAS_DMA_OPS if PCI <<
74 select ARCH_HAS_ELF_RANDOMIZE <<
75 select ARCH_HAS_FORCE_DMA_UNENCRYPTED <<
76 select ARCH_HAS_FORTIFY_SOURCE <<
77 select ARCH_HAS_GCOV_PROFILE_ALL <<
78 select ARCH_HAS_GIGANTIC_PAGE <<
79 select ARCH_HAS_KCOV <<
80 select ARCH_HAS_MEMBARRIER_SYNC_CORE <<
81 select ARCH_HAS_MEM_ENCRYPT <<
82 select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS <<
83 select ARCH_HAS_PTE_SPECIAL <<
84 select ARCH_HAS_SCALED_CPUTIME <<
85 select ARCH_HAS_SET_DIRECT_MAP <<
86 select ARCH_HAS_SET_MEMORY <<
87 select ARCH_HAS_STRICT_KERNEL_RWX <<
88 select ARCH_HAS_STRICT_MODULE_RWX <<
89 select ARCH_HAS_SYSCALL_WRAPPER <<
90 select ARCH_HAS_UBSAN <<
91 select ARCH_HAS_VDSO_DATA <<
92 select ARCH_HAVE_NMI_SAFE_CMPXCHG <<
93 select ARCH_INLINE_READ_LOCK <<
94 select ARCH_INLINE_READ_LOCK_BH <<
95 select ARCH_INLINE_READ_LOCK_IRQ <<
96 select ARCH_INLINE_READ_LOCK_IRQSAVE <<
97 select ARCH_INLINE_READ_TRYLOCK <<
98 select ARCH_INLINE_READ_UNLOCK <<
99 select ARCH_INLINE_READ_UNLOCK_BH <<
100 select ARCH_INLINE_READ_UNLOCK_IRQ <<
101 select ARCH_INLINE_READ_UNLOCK_IRQREST <<
102 select ARCH_INLINE_SPIN_LOCK <<
103 select ARCH_INLINE_SPIN_LOCK_BH <<
104 select ARCH_INLINE_SPIN_LOCK_IRQ <<
105 select ARCH_INLINE_SPIN_LOCK_IRQSAVE <<
106 select ARCH_INLINE_SPIN_TRYLOCK <<
107 select ARCH_INLINE_SPIN_TRYLOCK_BH <<
108 select ARCH_INLINE_SPIN_UNLOCK <<
109 select ARCH_INLINE_SPIN_UNLOCK_BH <<
110 select ARCH_INLINE_SPIN_UNLOCK_IRQ <<
111 select ARCH_INLINE_SPIN_UNLOCK_IRQREST <<
112 select ARCH_INLINE_WRITE_LOCK <<
113 select ARCH_INLINE_WRITE_LOCK_BH <<
114 select ARCH_INLINE_WRITE_LOCK_IRQ <<
115 select ARCH_INLINE_WRITE_LOCK_IRQSAVE <<
116 select ARCH_INLINE_WRITE_TRYLOCK <<
117 select ARCH_INLINE_WRITE_UNLOCK <<
118 select ARCH_INLINE_WRITE_UNLOCK_BH <<
119 select ARCH_INLINE_WRITE_UNLOCK_IRQ <<
120 select ARCH_INLINE_WRITE_UNLOCK_IRQRES <<
121 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL <<
122 select ARCH_STACKWALK <<
123 select ARCH_SUPPORTS_ATOMIC_RMW <<
124 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
125 select ARCH_SUPPORTS_HUGETLBFS <<
126 select ARCH_SUPPORTS_INT128 if CC_HAS_ <<
127 select ARCH_SUPPORTS_NUMA_BALANCING <<
128 select ARCH_SUPPORTS_PER_VMA_LOCK <<
129 select ARCH_USE_BUILTIN_BSWAP <<
130 select ARCH_USE_CMPXCHG_LOCKREF <<
131 select ARCH_USE_SYM_ANNOTATIONS <<
132 select ARCH_WANTS_NO_INSTR <<
133 select ARCH_WANT_DEFAULT_BPF_JIT <<
134 select ARCH_WANT_IPC_PARSE_VERSION <<
135 select ARCH_WANT_KERNEL_PMD_MKWRITE <<
136 select ARCH_WANT_LD_ORPHAN_WARN <<
137 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEM <<
138 select BUILDTIME_TABLE_SORT <<
139 select CLONE_BACKWARDS2 <<
140 select DCACHE_WORD_ACCESS if !KMSAN <<
141 select DYNAMIC_FTRACE if FUNCTION_TRAC <<
142 select FUNCTION_ALIGNMENT_8B if CC_IS_ <<
143 select FUNCTION_ALIGNMENT_16B if !CC_I <<
144 select GENERIC_ALLOCATOR <<
145 select GENERIC_CPU_DEVICES <<
146 select GENERIC_CPU_AUTOPROBE <<
147 select GENERIC_CPU_VULNERABILITIES <<
148 select GENERIC_ENTRY <<
149 select GENERIC_GETTIMEOFDAY <<
150 select GENERIC_PTDUMP <<
151 select GENERIC_SMP_IDLE_THREAD <<
152 select GENERIC_TIME_VSYSCALL <<
153 select GENERIC_VDSO_TIME_NS <<
154 select GENERIC_IOREMAP if PCI <<
155 select HAVE_ALIGNED_STRUCT_PAGE <<
156 select HAVE_ARCH_AUDITSYSCALL <<
157 select HAVE_ARCH_JUMP_LABEL <<
158 select HAVE_ARCH_JUMP_LABEL_RELATIVE <<
159 select HAVE_ARCH_KASAN <<
160 select HAVE_ARCH_KASAN_VMALLOC <<
161 select HAVE_ARCH_KCSAN <<
162 select HAVE_ARCH_KMSAN <<
163 select HAVE_ARCH_KFENCE <<
164 select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS <<
165 select HAVE_ARCH_SECCOMP_FILTER <<
166 select HAVE_ARCH_SOFT_DIRTY <<
167 select HAVE_ARCH_STACKLEAK <<
168 select HAVE_ARCH_TRACEHOOK <<
169 select HAVE_ARCH_TRANSPARENT_HUGEPAGE <<
170 select HAVE_ARCH_VMAP_STACK <<
171 select HAVE_ASM_MODVERSIONS <<
172 select HAVE_CMPXCHG_DOUBLE <<
173 select HAVE_CMPXCHG_LOCAL <<
174 select HAVE_DEBUG_KMEMLEAK <<
175 select HAVE_DMA_CONTIGUOUS <<
176 select HAVE_DYNAMIC_FTRACE <<
177 select HAVE_DYNAMIC_FTRACE_WITH_ARGS <<
178 select HAVE_DYNAMIC_FTRACE_WITH_DIRECT <<
179 select HAVE_DYNAMIC_FTRACE_WITH_REGS <<
180 select HAVE_EBPF_JIT if HAVE_MARCH_Z19 <<
181 select HAVE_EFFICIENT_UNALIGNED_ACCESS <<
182 select HAVE_GUP_FAST <<
183 select HAVE_FENTRY <<
184 select HAVE_FTRACE_MCOUNT_RECORD <<
185 select HAVE_FUNCTION_ARG_ACCESS_API <<
186 select HAVE_FUNCTION_ERROR_INJECTION <<
187 select HAVE_FUNCTION_GRAPH_RETVAL <<
188 select HAVE_FUNCTION_GRAPH_TRACER <<
189 select HAVE_FUNCTION_TRACER <<
190 select HAVE_GCC_PLUGINS <<
191 select HAVE_GENERIC_VDSO <<
192 select HAVE_IOREMAP_PROT if PCI <<
193 select HAVE_KERNEL_BZIP2 <<
194 select HAVE_KERNEL_GZIP <<
195 select HAVE_KERNEL_LZ4 <<
196 select HAVE_KERNEL_LZMA <<
197 select HAVE_KERNEL_LZO <<
198 select HAVE_KERNEL_UNCOMPRESSED <<
199 select HAVE_KERNEL_XZ <<
200 select HAVE_KERNEL_ZSTD <<
201 select HAVE_KPROBES <<
202 select HAVE_KPROBES_ON_FTRACE <<
203 select HAVE_KRETPROBES <<
204 select HAVE_LIVEPATCH <<
205 select HAVE_MEMBLOCK_PHYS_MAP <<
206 select HAVE_MOD_ARCH_SPECIFIC <<
207 select HAVE_NMI <<
208 select HAVE_NOP_MCOUNT <<
209 select HAVE_PAGE_SIZE_4KB <<
210 select HAVE_PCI <<
211 select HAVE_PERF_EVENTS <<
212 select HAVE_PERF_REGS <<
213 select HAVE_PERF_USER_STACK_DUMP <<
214 select HAVE_REGS_AND_STACK_ACCESS_API <<
215 select HAVE_RELIABLE_STACKTRACE <<
216 select HAVE_RETHOOK <<
217 select HAVE_RSEQ <<
218 select HAVE_SAMPLE_FTRACE_DIRECT <<
219 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI <<
220 select HAVE_SETUP_PER_CPU_AREA <<
221 select HAVE_SOFTIRQ_ON_OWN_STACK <<
222 select HAVE_SYSCALL_TRACEPOINTS <<
223 select HAVE_VIRT_CPU_ACCOUNTING <<
224 select HAVE_VIRT_CPU_ACCOUNTING_IDLE <<
225 select IOMMU_HELPER if PCI <<
226 select IOMMU_SUPPORT if PCI <<
227 select MMU_GATHER_MERGE_VMAS <<
228 select MMU_GATHER_NO_GATHER <<
229 select MMU_GATHER_RCU_TABLE_FREE <<
230 select MODULES_USE_ELF_RELA <<
231 select NEED_DMA_MAP_STATE if PCI <<
232 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
233 select NEED_SG_DMA_LENGTH if PCI <<
234 select OLD_SIGACTION <<
235 select OLD_SIGSUSPEND3 <<
236 select PCI_DOMAINS if PCI <<
237 select PCI_MSI if PCI <<
238 select PCI_MSI_ARCH_FALLBACKS if PCI <<
239 select SPARSE_IRQ <<
240 select SWIOTLB <<
241 select SYSCTL_EXCEPTION_TRACE <<
242 select THREAD_INFO_IN_TASK <<
243 select TRACE_IRQFLAGS_SUPPORT <<
244 select TTY <<
245 select USER_STACKTRACE_SUPPORT <<
246 select VDSO_GETRANDOM <<
247 select VIRT_CPU_ACCOUNTING <<
248 select ZONE_DMA <<
249 # Note: keep the above list sorted alp <<
250 126
251 config SCHED_OMIT_FRAME_POINTER !! 127 config ALPHA_GENERIC
252 def_bool y !! 128 bool "Generic"
>> 129 depends on TTY
>> 130 help
>> 131 A generic kernel will run on all supported Alpha hardware.
253 132
254 config PGTABLE_LEVELS !! 133 config ALPHA_ALCOR
255 int !! 134 bool "Alcor/Alpha-XLT"
256 default 5 !! 135 help
>> 136 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 137 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 138 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 139 controller (256-bit memory bus) and a PCI interface. It also does
>> 140 all the work required to support an external Bcache and to maintain
>> 141 memory coherence when a PCI device DMAs into (or out of) memory.
257 142
258 source "kernel/livepatch/Kconfig" !! 143 config ALPHA_XL
>> 144 bool "Alpha-XL"
>> 145 help
>> 146 XL-233 and XL-266-based Alpha systems.
259 147
260 config ARCH_SUPPORTS_KEXEC !! 148 config ALPHA_BOOK1
261 def_bool y !! 149 bool "AlphaBook1"
>> 150 help
>> 151 Dec AlphaBook1/Burns Alpha-based laptops.
262 152
263 config ARCH_SUPPORTS_KEXEC_FILE !! 153 config ALPHA_AVANTI_CH
264 def_bool y !! 154 bool "Avanti"
265 155
266 config ARCH_SUPPORTS_KEXEC_SIG !! 156 config ALPHA_CABRIOLET
267 def_bool MODULE_SIG_FORMAT !! 157 bool "Cabriolet"
>> 158 help
>> 159 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
>> 160 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 161 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 162 Bcache SIMMs. Requires power supply with 3.3V output.
268 163
269 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 164 config ALPHA_DP264
270 def_bool y !! 165 bool "DP264"
>> 166 help
>> 167 Various 21264 systems with the tsunami core logic chipset.
>> 168 API Networks: 264DP, UP2000(+), CS20;
>> 169 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
271 170
272 config ARCH_SUPPORTS_CRASH_DUMP !! 171 config ALPHA_EB164
273 def_bool y !! 172 bool "EB164"
274 help 173 help
275 Refer to <file:Documentation/arch/s3 !! 174 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
276 This option also enables s390 zfcpdu !! 175 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
277 See also <file:Documentation/arch/s3 !! 176 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
278 !! 177 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
279 menu "Processor type and features" !! 178 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
280 !! 179 motherboard. Requires power supply with 3.3V output.
281 config HAVE_MARCH_Z10_FEATURES <<
282 def_bool n <<
283 <<
284 config HAVE_MARCH_Z196_FEATURES <<
285 def_bool n <<
286 select HAVE_MARCH_Z10_FEATURES <<
287 <<
288 config HAVE_MARCH_ZEC12_FEATURES <<
289 def_bool n <<
290 select HAVE_MARCH_Z196_FEATURES <<
291 <<
292 config HAVE_MARCH_Z13_FEATURES <<
293 def_bool n <<
294 select HAVE_MARCH_ZEC12_FEATURES <<
295 <<
296 config HAVE_MARCH_Z14_FEATURES <<
297 def_bool n <<
298 select HAVE_MARCH_Z13_FEATURES <<
299 <<
300 config HAVE_MARCH_Z15_FEATURES <<
301 def_bool n <<
302 select HAVE_MARCH_Z14_FEATURES <<
303 <<
304 config HAVE_MARCH_Z16_FEATURES <<
305 def_bool n <<
306 select HAVE_MARCH_Z15_FEATURES <<
307 180
308 choice !! 181 config ALPHA_EB64P_CH
309 prompt "Processor type" !! 182 bool "EB64+"
310 default MARCH_Z196 <<
311 183
312 config MARCH_Z10 !! 184 config ALPHA_EB66
313 bool "IBM System z10" !! 185 bool "EB66"
314 select HAVE_MARCH_Z10_FEATURES <<
315 depends on $(cc-option,-march=z10) <<
316 help <<
317 Select this to enable optimizations <<
318 series). This is the oldest machine <<
319 <<
320 config MARCH_Z196 <<
321 bool "IBM zEnterprise 114 and 196" <<
322 select HAVE_MARCH_Z196_FEATURES <<
323 depends on $(cc-option,-march=z196) <<
324 help <<
325 Select this to enable optimizations <<
326 (2818 and 2817 series). The kernel w <<
327 not work on older machines. <<
328 <<
329 config MARCH_ZEC12 <<
330 bool "IBM zBC12 and zEC12" <<
331 select HAVE_MARCH_ZEC12_FEATURES <<
332 depends on $(cc-option,-march=zEC12) <<
333 help <<
334 Select this to enable optimizations <<
335 2827 series). The kernel will be sli <<
336 older machines. <<
337 <<
338 config MARCH_Z13 <<
339 bool "IBM z13s and z13" <<
340 select HAVE_MARCH_Z13_FEATURES <<
341 depends on $(cc-option,-march=z13) <<
342 help <<
343 Select this to enable optimizations <<
344 2964 series). The kernel will be sli <<
345 older machines. <<
346 <<
347 config MARCH_Z14 <<
348 bool "IBM z14 ZR1 and z14" <<
349 select HAVE_MARCH_Z14_FEATURES <<
350 depends on $(cc-option,-march=z14) <<
351 help <<
352 Select this to enable optimizations <<
353 and 3906 series). The kernel will be <<
354 work on older machines. <<
355 <<
356 config MARCH_Z15 <<
357 bool "IBM z15" <<
358 select HAVE_MARCH_Z15_FEATURES <<
359 depends on $(cc-option,-march=z15) <<
360 help <<
361 Select this to enable optimizations <<
362 and 8561 series). The kernel will be <<
363 work on older machines. <<
364 <<
365 config MARCH_Z16 <<
366 bool "IBM z16" <<
367 select HAVE_MARCH_Z16_FEATURES <<
368 depends on $(cc-option,-march=z16) <<
369 help 186 help
370 Select this to enable optimizations !! 187 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
371 3932 series). !! 188 identical to EB64+. Baby PC-AT size. Runs from standard PC power
>> 189 supply. The EB66 schematic was published as a marketing poster
>> 190 advertising the 21066 as "the first microprocessor in the world with
>> 191 embedded PCI".
372 192
373 endchoice !! 193 config ALPHA_EB66P
>> 194 bool "EB66+"
>> 195 help
>> 196 Later variant of the EB66 board.
374 197
375 config MARCH_Z10_TUNE !! 198 config ALPHA_EIGER
376 def_bool TUNE_Z10 || MARCH_Z10 && TUNE !! 199 bool "Eiger"
>> 200 help
>> 201 Apparently an obscure OEM single-board computer based on the
>> 202 Typhoon/Tsunami chipset family. Information on it is scanty.
377 203
378 config MARCH_Z196_TUNE !! 204 config ALPHA_JENSEN
379 def_bool TUNE_Z196 || MARCH_Z196 && TU !! 205 bool "Jensen"
>> 206 depends on BROKEN
>> 207 select DMA_DIRECT_OPS
>> 208 help
>> 209 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 210 of the first-generation Alpha systems. A number of these systems
>> 211 seem to be available on the second- hand market. The Jensen is a
>> 212 floor-standing tower system which originally used a 150MHz 21064 It
>> 213 used programmable logic to interface a 486 EISA I/O bridge to the
>> 214 CPU.
380 215
381 config MARCH_ZEC12_TUNE !! 216 config ALPHA_LX164
382 def_bool TUNE_ZEC12 || MARCH_ZEC12 && !! 217 bool "LX164"
>> 218 help
>> 219 A technical overview of this board is available at
>> 220 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
383 221
384 config MARCH_Z13_TUNE !! 222 config ALPHA_LYNX
385 def_bool TUNE_Z13 || MARCH_Z13 && TUNE !! 223 bool "Lynx"
>> 224 help
>> 225 AlphaServer 2100A-based systems.
386 226
387 config MARCH_Z14_TUNE !! 227 config ALPHA_MARVEL
388 def_bool TUNE_Z14 || MARCH_Z14 && TUNE !! 228 bool "Marvel"
>> 229 help
>> 230 AlphaServer ES47 / ES80 / GS1280 based on EV7.
389 231
390 config MARCH_Z15_TUNE !! 232 config ALPHA_MIATA
391 def_bool TUNE_Z15 || MARCH_Z15 && TUNE !! 233 bool "Miata"
>> 234 help
>> 235 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 236 or 600au).
392 237
393 config MARCH_Z16_TUNE !! 238 config ALPHA_MIKASA
394 def_bool TUNE_Z16 || MARCH_Z16 && TUNE !! 239 bool "Mikasa"
>> 240 help
>> 241 AlphaServer 1000-based Alpha systems.
395 242
396 choice !! 243 config ALPHA_NAUTILUS
397 prompt "Tune code generation" !! 244 bool "Nautilus"
398 default TUNE_DEFAULT <<
399 help 245 help
400 Cause the compiler to tune (-mtune) !! 246 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
401 This will make the code run faster o <<
402 somewhat slower on other machines. <<
403 This option only changes how the com <<
404 selection of instructions itself, so <<
405 all other machines. <<
406 <<
407 config TUNE_DEFAULT <<
408 bool "Default" <<
409 help <<
410 Tune the generated code for the targ <<
411 will be compiled. <<
412 <<
413 config TUNE_Z10 <<
414 bool "IBM System z10" <<
415 <<
416 config TUNE_Z196 <<
417 bool "IBM zEnterprise 114 and 196" <<
418 depends on $(cc-option,-mtune=z196) <<
419 <<
420 config TUNE_ZEC12 <<
421 bool "IBM zBC12 and zEC12" <<
422 depends on $(cc-option,-mtune=zEC12) <<
423 <<
424 config TUNE_Z13 <<
425 bool "IBM z13s and z13" <<
426 depends on $(cc-option,-mtune=z13) <<
427 <<
428 config TUNE_Z14 <<
429 bool "IBM z14 ZR1 and z14" <<
430 depends on $(cc-option,-mtune=z14) <<
431 <<
432 config TUNE_Z15 <<
433 bool "IBM z15" <<
434 depends on $(cc-option,-mtune=z15) <<
435 <<
436 config TUNE_Z16 <<
437 bool "IBM z16" <<
438 depends on $(cc-option,-mtune=z16) <<
439 247
440 endchoice !! 248 config ALPHA_NONAME_CH
>> 249 bool "Noname"
441 250
442 config 64BIT !! 251 config ALPHA_NORITAKE
443 def_bool y !! 252 bool "Noritake"
>> 253 help
>> 254 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 255 systems.
444 256
445 config COMMAND_LINE_SIZE !! 257 config ALPHA_PC164
446 int "Maximum size of kernel command li !! 258 bool "PC164"
447 default 4096 <<
448 range 896 1048576 <<
449 help <<
450 This allows you to specify the maxim <<
451 line. <<
452 <<
453 config COMPAT <<
454 def_bool n <<
455 prompt "Kernel support for 31 bit emul <<
456 select ARCH_WANT_OLD_COMPAT_IPC <<
457 select COMPAT_OLD_SIGACTION <<
458 select HAVE_UID16 <<
459 depends on MULTIUSER <<
460 depends on !CC_IS_CLANG && !LD_IS_LLD <<
461 help <<
462 Select this option if you want to en <<
463 handle system-calls from ELF binarie <<
464 (and some other stuff like libraries <<
465 executing 31 bit applications. <<
466 259
467 If unsure say N. !! 260 config ALPHA_P2K
>> 261 bool "Platform2000"
468 262
469 config SMP !! 263 config ALPHA_RAWHIDE
470 def_bool y !! 264 bool "Rawhide"
>> 265 help
>> 266 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
>> 267 See HOWTO at
>> 268 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
471 269
472 config NR_CPUS !! 270 config ALPHA_RUFFIAN
473 int "Maximum number of CPUs (2-512)" !! 271 bool "Ruffian"
474 range 2 512 !! 272 help
475 default "64" !! 273 Samsung APC164UX. There is a page on known problems and workarounds
476 help !! 274 at <http://www.alphalinux.org/faq/FAQ-11.html>.
477 This allows you to specify the maxim <<
478 kernel will support. The maximum sup <<
479 minimum value which makes sense is 2 <<
480 275
481 This is purely to save memory - each !! 276 config ALPHA_RX164
482 approximately sixteen kilobytes to t !! 277 bool "RX164"
483 278
484 config HOTPLUG_CPU !! 279 config ALPHA_SX164
485 def_bool y !! 280 bool "SX164"
486 281
487 config NUMA !! 282 config ALPHA_SABLE
488 bool "NUMA support" !! 283 bool "Sable"
489 depends on SCHED_TOPOLOGY <<
490 default n <<
491 help 284 help
492 Enable NUMA support !! 285 Digital AlphaServer 2000 and 2100-based systems.
493 <<
494 This option adds NUMA support to the <<
495 <<
496 config NODES_SHIFT <<
497 int <<
498 depends on NUMA <<
499 default "1" <<
500 286
501 config SCHED_SMT !! 287 config ALPHA_SHARK
502 def_bool n !! 288 bool "Shark"
503 289
504 config SCHED_MC !! 290 config ALPHA_TAKARA
505 def_bool n !! 291 bool "Takara"
>> 292 help
>> 293 Alpha 11164-based OEM single-board computer.
506 294
507 config SCHED_TOPOLOGY !! 295 config ALPHA_TITAN
508 def_bool y !! 296 bool "Titan"
509 prompt "Topology scheduler support" !! 297 help
510 select SCHED_SMT !! 298 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
511 select SCHED_MC <<
512 help <<
513 Topology scheduler support improves <<
514 making when dealing with machines th <<
515 multiple cores or multiple books. <<
516 299
517 config SCHED_TOPOLOGY_VERTICAL !! 300 config ALPHA_WILDFIRE
518 def_bool y !! 301 bool "Wildfire"
519 bool "Use vertical CPU polarization by <<
520 depends on SCHED_TOPOLOGY <<
521 help 302 help
522 Use vertical CPU polarization by def !! 303 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
523 The default CPU polarization is hori <<
524 304
525 config HIPERDISPATCH_ON !! 305 endchoice
526 def_bool y <<
527 bool "Use hiperdispatch on vertical po <<
528 depends on SCHED_TOPOLOGY <<
529 depends on PROC_SYSCTL <<
530 help <<
531 Hiperdispatch aims to improve the CP <<
532 making when using vertical polarizat <<
533 capacities dynamically. Set this opt <<
534 on vertical polarization by default. <<
535 by sysctl's s390.hiperdispatch attri <<
536 <<
537 source "kernel/Kconfig.hz" <<
538 <<
539 config CERT_STORE <<
540 bool "Get user certificates via DIAG32 <<
541 depends on KEYS <<
542 select CRYPTO_LIB_SHA256 <<
543 help <<
544 Enable this option if you want to ac <<
545 certificates via DIAG 0x320. <<
546 <<
547 These certificates will be made avai <<
548 'cert_store'. <<
549 <<
550 config KERNEL_NOBP <<
551 def_bool n <<
552 prompt "Enable modified branch predict <<
553 help <<
554 If this option is selected the kerne <<
555 branch prediction mode if the firmwa <<
556 The modified branch prediction mode <<
557 regard to speculative execution. <<
558 306
559 With the option enabled the kernel p !! 307 # clear all implied options (don't want default values for those):
560 can be used to run the kernel in the !! 308 # Most of these machines have ISA slots; not exactly sure which don't,
>> 309 # and this doesn't activate hordes of code, so do it always.
>> 310 config ISA
>> 311 bool
>> 312 default y
>> 313 help
>> 314 Find out whether you have ISA slots on your motherboard. ISA is the
>> 315 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 316 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 317 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 318 newer boards don't support it. If you have ISA, say Y, otherwise N.
561 319
562 With the option disabled the modifie !! 320 config ISA_DMA_API
563 enabled with the "nobp=1" kernel par !! 321 bool
>> 322 default y
564 323
565 If unsure, say N. !! 324 config PCI
>> 325 bool
>> 326 depends on !ALPHA_JENSEN
>> 327 select GENERIC_PCI_IOMAP
>> 328 default y
>> 329 help
>> 330 Find out whether you have a PCI motherboard. PCI is the name of a
>> 331 bus system, i.e. the way the CPU talks to the other stuff inside
>> 332 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 333 VESA. If you have PCI, say Y, otherwise N.
566 334
567 config EXPOLINE !! 335 config PCI_DOMAINS
568 def_bool n !! 336 bool
569 depends on $(cc-option,-mindirect-bran !! 337 default y
570 prompt "Avoid speculative indirect bra <<
571 help <<
572 Compile the kernel with the expoline <<
573 against kernel-to-user data leaks by <<
574 branches. <<
575 Requires a compiler with -mindirect- <<
576 protection. The kernel may run slowe <<
577 338
578 If unsure, say N. !! 339 config PCI_SYSCALL
>> 340 def_bool PCI
579 341
580 config EXPOLINE_EXTERN !! 342 config ALPHA_NONAME
581 def_bool EXPOLINE && CC_IS_GCC && GCC_ !! 343 bool
582 $(success,$(srctree)/arch/s39 !! 344 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
583 help !! 345 default y
584 Generate expolines as external funct !! 346 help
585 This option is required for some too !! 347 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
586 are enabled. The kernel is compiled !! 348 UDB). This design was produced by Digital's Technical OEM (TOEM)
587 -mindirect-branch=thunk-extern, whic !! 349 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 350 is a baby-AT size, and runs from a standard PC power supply. It has
>> 351 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 352 2 versions, with either PS/2 or large DIN connectors for the
>> 353 keyboard.
>> 354
>> 355 config ALPHA_EV4
>> 356 bool
>> 357 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 358 default y if !ALPHA_LYNX
>> 359
>> 360 config ALPHA_LCA
>> 361 bool
>> 362 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 363 default y
588 364
589 choice !! 365 config ALPHA_APECS
590 prompt "Expoline default" !! 366 bool
591 depends on EXPOLINE !! 367 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
592 default EXPOLINE_FULL !! 368 default y
593 369
594 config EXPOLINE_OFF !! 370 config ALPHA_EB64P
595 bool "spectre_v2=off" !! 371 bool
>> 372 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 373 default y
>> 374 help
>> 375 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 376 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 377 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 378 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 379 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 380 Runs from standard PC power supply.
>> 381
>> 382 config ALPHA_EV5
>> 383 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 384 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
>> 385
>> 386 config ALPHA_EV4
>> 387 bool
>> 388 default y if ALPHA_LYNX && !ALPHA_EV5
>> 389
>> 390 config ALPHA_CIA
>> 391 bool
>> 392 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
>> 393 default y
596 394
597 config EXPOLINE_AUTO !! 395 config ALPHA_EV56
598 bool "spectre_v2=auto" !! 396 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 397 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
599 398
600 config EXPOLINE_FULL !! 399 config ALPHA_EV56
601 bool "spectre_v2=on" !! 400 prompt "EV56 CPU (speed >= 333MHz)?"
>> 401 depends on ALPHA_NORITAKE || ALPHA_PRIMO
602 402
603 endchoice !! 403 config ALPHA_EV56
>> 404 prompt "EV56 CPU (speed >= 400MHz)?"
>> 405 depends on ALPHA_RAWHIDE
604 406
605 config RELOCATABLE !! 407 config ALPHA_PRIMO
606 def_bool y !! 408 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 409 depends on ALPHA_NORITAKE || ALPHA_MIKASA
607 help 410 help
608 This builds a kernel image that reta !! 411 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
609 so it can be loaded at an arbitrary <<
610 The relocations make the kernel imag <<
611 10%), but are discarded at runtime. <<
612 Note: this option exists only for do <<
613 not remove it. <<
614 <<
615 config RANDOMIZE_BASE <<
616 bool "Randomize the address of the ker <<
617 default y <<
618 help <<
619 In support of Kernel Address Space L <<
620 this randomizes the address at which <<
621 as a security feature that deters ex <<
622 knowledge of the location of kernel <<
623 <<
624 config RANDOMIZE_IDENTITY_BASE <<
625 bool "Randomize the address of the ide <<
626 depends on RANDOMIZE_BASE <<
627 default DEBUG_VM <<
628 help <<
629 The identity mapping base address is <<
630 Allow randomization of that base to <<
631 notion of physical and virtual addre <<
632 That does not have any impact on the <<
633 kernel image is loaded. <<
634 <<
635 If unsure, say N <<
636 <<
637 config KERNEL_IMAGE_BASE <<
638 hex "Kernel image base address" <<
639 range 0x100000 0x1FFFFFE0000000 if !KA <<
640 range 0x100000 0x1BFFFFE0000000 if KAS <<
641 default 0x3FFE0000000 if !KASAN <<
642 default 0x7FFFE0000000 if KASAN <<
643 help <<
644 This is the address at which the ker <<
645 Kernel Address Space Layout Randomiz <<
646 <<
647 In case the Protected virtualization <<
648 Ultravisor imposes a virtual address <<
649 option leads to the kernel image exc <<
650 this option is ignored and the image <<
651 <<
652 If the value of this option leads to <<
653 the virtual memory where other data <<
654 option is ignored and the image is l <<
655 412
656 endmenu !! 413 config ALPHA_GAMMA
657 !! 414 bool "EV5 CPU(s) (model 5/xxx)?"
658 menu "Memory setup" !! 415 depends on ALPHA_SABLE
>> 416 help
>> 417 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
659 418
660 config ARCH_SPARSEMEM_ENABLE !! 419 config ALPHA_GAMMA
661 def_bool y !! 420 bool
662 select SPARSEMEM_VMEMMAP_ENABLE !! 421 depends on ALPHA_LYNX
663 select SPARSEMEM_VMEMMAP !! 422 default y
664 423
665 config ARCH_SPARSEMEM_DEFAULT !! 424 config ALPHA_T2
666 def_bool y !! 425 bool
>> 426 depends on ALPHA_SABLE || ALPHA_LYNX
>> 427 default y
667 428
668 config MAX_PHYSMEM_BITS !! 429 config ALPHA_PYXIS
669 int "Maximum size of supported physica !! 430 bool
670 range 42 53 !! 431 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
671 default "46" !! 432 default y
672 help <<
673 This option specifies the maximum su <<
674 in bits. Supported is any size betwe <<
675 Increasing the number of bits also i <<
676 By default 46 bits (64TB) are suppor <<
677 433
678 config CHECK_STACK !! 434 config ALPHA_EV6
679 def_bool y !! 435 bool
680 depends on !VMAP_STACK !! 436 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
681 prompt "Detect kernel stack overflow" !! 437 default y
682 help <<
683 This option enables the compiler opt <<
684 -mstack-size if they are available. <<
685 it will emit additional code to each <<
686 an illegal operation if the kernel s <<
687 <<
688 Say N if you are unsure. <<
689 <<
690 config STACK_GUARD <<
691 int "Size of the guard area (128-1024) <<
692 range 128 1024 <<
693 depends on CHECK_STACK <<
694 default "256" <<
695 help <<
696 This allows you to specify the size <<
697 end of the kernel stack. If the kern <<
698 area on function entry an illegal op <<
699 needs to be a power of 2. Please kee <<
700 interrupt frame is 184 bytes for 31 <<
701 The minimum size for the stack guard <<
702 512 for 64 bit. <<
703 438
704 endmenu !! 439 config ALPHA_TSUNAMI
>> 440 bool
>> 441 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 442 default y
705 443
706 menu "I/O subsystem" !! 444 config ALPHA_EV67
>> 445 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
>> 446 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 447 help
>> 448 Is this a machine based on the EV67 core? If in doubt, select N here
>> 449 and the machine will be treated as an EV6.
>> 450
>> 451 config ALPHA_MCPCIA
>> 452 bool
>> 453 depends on ALPHA_RAWHIDE
>> 454 default y
707 455
708 config QDIO !! 456 config ALPHA_POLARIS
709 def_tristate y !! 457 bool
710 prompt "QDIO support" !! 458 depends on ALPHA_RX164
711 help !! 459 default y
712 This driver provides the Queued Dire <<
713 IBM System z. <<
714 460
715 To compile this driver as a module, !! 461 config ALPHA_IRONGATE
716 module will be called qdio. !! 462 bool
>> 463 depends on ALPHA_NAUTILUS
>> 464 default y
717 465
718 If unsure, say Y. !! 466 config GENERIC_HWEIGHT
>> 467 bool
>> 468 default y if !ALPHA_EV67
719 469
720 if PCI !! 470 config ALPHA_AVANTI
>> 471 bool
>> 472 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 473 default y
>> 474 help
>> 475 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
>> 476 Alphas. Info at
>> 477 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
>> 478
>> 479 config ALPHA_BROKEN_IRQ_MASK
>> 480 bool
>> 481 depends on ALPHA_GENERIC || ALPHA_PC164
>> 482 default y
721 483
722 config PCI_NR_FUNCTIONS !! 484 config VGA_HOSE
723 int "Maximum number of PCI functions ( !! 485 bool
724 range 1 4096 !! 486 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
725 default "512" !! 487 default y
726 help 488 help
727 This allows you to specify the maxim !! 489 Support VGA on an arbitrary hose; needed for several platforms
728 this kernel will support. !! 490 which always have multiple hoses, and whose consoles support it.
729 491
730 endif # PCI <<
731 492
732 config HAS_IOMEM !! 493 config ALPHA_QEMU
733 def_bool PCI !! 494 bool "Run under QEMU emulation"
>> 495 depends on !ALPHA_GENERIC
>> 496 ---help---
>> 497 Assume the presence of special features supported by QEMU PALcode
>> 498 that reduce the overhead of system emulation.
>> 499
>> 500 Generic kernels will auto-detect QEMU. But when building a
>> 501 system-specific kernel, the assumption is that we want to
>> 502 eliminate as many runtime tests as possible.
>> 503
>> 504 If unsure, say N.
734 505
735 config CHSC_SCH <<
736 def_tristate m <<
737 prompt "Support for CHSC subchannels" <<
738 help <<
739 This driver allows usage of CHSC sub <<
740 is usually present on LPAR only. <<
741 The driver creates a device /dev/chs <<
742 obtain I/O configuration information <<
743 to issue asynchronous chsc commands <<
744 You will usually only want to use th <<
745 LPAR designated for system managemen <<
746 506
747 To compile this driver as a module, !! 507 config ALPHA_SRM
748 module will be called chsc_sch. !! 508 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
>> 509 depends on TTY
>> 510 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
>> 511 ---help---
>> 512 There are two different types of booting firmware on Alphas: SRM,
>> 513 which is command line driven, and ARC, which uses menus and arrow
>> 514 keys. Details about the Linux/Alpha booting process are contained in
>> 515 the Linux/Alpha FAQ, accessible on the WWW from
>> 516 <http://www.alphalinux.org/>.
>> 517
>> 518 The usual way to load Linux on an Alpha machine is to use MILO
>> 519 (a bootloader that lets you pass command line parameters to the
>> 520 kernel just like lilo does for the x86 architecture) which can be
>> 521 loaded either from ARC or can be installed directly as a permanent
>> 522 firmware replacement from floppy (which requires changing a certain
>> 523 jumper on the motherboard). If you want to do either of these, say N
>> 524 here. If MILO doesn't work on your system (true for Jensen
>> 525 motherboards), you can bypass it altogether and boot Linux directly
>> 526 from an SRM console; say Y here in order to do that. Note that you
>> 527 won't be able to boot from an IDE disk using SRM.
749 528
750 If unsure, say N. 529 If unsure, say N.
751 530
752 config SCM_BUS !! 531 config EISA
>> 532 bool
>> 533 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
>> 534 default y
>> 535
>> 536 config ARCH_MAY_HAVE_PC_FDC
753 def_bool y 537 def_bool y
754 prompt "SCM bus driver" <<
755 help <<
756 Bus driver for Storage Class Memory. <<
757 538
758 config EADM_SCH !! 539 config SMP
759 def_tristate m !! 540 bool "Symmetric multi-processing support"
760 prompt "Support for EADM subchannels" !! 541 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
761 depends on SCM_BUS !! 542 ---help---
762 help !! 543 This enables support for systems with more than one CPU. If you have
763 This driver allows usage of EADM sub !! 544 a system with only one CPU, say N. If you have a system with more
764 as a communication vehicle for SCM i !! 545 than one CPU, say Y.
>> 546
>> 547 If you say N here, the kernel will run on uni- and multiprocessor
>> 548 machines, but will use only one CPU of a multiprocessor machine. If
>> 549 you say Y here, the kernel will run on many, but not all,
>> 550 uniprocessor machines. On a uniprocessor machine, the kernel
>> 551 will run faster if you say N here.
765 552
766 To compile this driver as a module, !! 553 See also the SMP-HOWTO available at
767 module will be called eadm_sch. !! 554 <http://www.tldp.org/docs.html#howto>.
768 555
769 config AP !! 556 If you don't know what to do here, say N.
770 def_tristate y <<
771 prompt "Support for Adjunct Processors <<
772 help <<
773 This driver allows usage to Adjunct <<
774 the ap bus, cards and queues. Suppor <<
775 the CryptoExpress Cards (CEX). <<
776 557
777 To compile this driver as a module, !! 558 config NR_CPUS
778 module will be called ap. !! 559 int "Maximum number of CPUs (2-32)"
>> 560 range 2 32
>> 561 depends on SMP
>> 562 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 563 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 564 help
>> 565 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 566 with working support have a maximum of 4 CPUs.
>> 567
>> 568 config ARCH_DISCONTIGMEM_ENABLE
>> 569 bool "Discontiguous Memory Support"
>> 570 help
>> 571 Say Y to support efficient handling of discontiguous physical memory,
>> 572 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 573 or have huge holes in the physical address space for other reasons.
>> 574 See <file:Documentation/vm/numa.rst> for more.
779 575
780 If unsure, say Y (default). !! 576 source "mm/Kconfig"
781 577
782 config AP_DEBUG !! 578 config NUMA
783 def_bool n !! 579 bool "NUMA Support (EXPERIMENTAL)"
784 prompt "Enable debug features for Adju !! 580 depends on DISCONTIGMEM && BROKEN
785 depends on AP <<
786 help 581 help
787 Say 'Y' here to enable some addition !! 582 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
788 Processor (ap) devices. !! 583 Access). This option is for configuring high-end multiprocessor
789 !! 584 server machines. If in doubt, say N.
790 There will be some more sysfs attrib !! 585
>> 586 config ALPHA_WTINT
>> 587 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 588 default y if ALPHA_QEMU
>> 589 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 590 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 591 default y if SMP
>> 592 ---help---
>> 593 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 594 to sleep until the next interrupt. This may reduce the power
>> 595 consumed, and the heat produced by the computer. However, it has
>> 596 the side effect of making the cycle counter unreliable as a timing
>> 597 device across the sleep.
791 598
792 Do not enable on production level ke !! 599 For emulation under QEMU, definitely say Y here, as we have other
>> 600 mechanisms for measuring time than the cycle counter.
793 601
794 If unsure, say N. !! 602 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
795 !! 603 MILO, sleep mode is not supported so you might as well say N here.
796 config VFIO_CCW <<
797 def_tristate n <<
798 prompt "Support for VFIO-CCW subchanne <<
799 depends on VFIO <<
800 select VFIO_MDEV <<
801 help <<
802 This driver allows usage of I/O subc <<
803 <<
804 To compile this driver as a module, <<
805 module will be called vfio_ccw. <<
806 <<
807 config VFIO_AP <<
808 def_tristate n <<
809 prompt "VFIO support for AP devices" <<
810 depends on KVM <<
811 depends on VFIO <<
812 depends on AP <<
813 select VFIO_MDEV <<
814 help <<
815 This driver grants access to Adjunct <<
816 via the VFIO mediated device interfa <<
817 604
818 To compile this driver as a module, !! 605 For SMP systems we cannot use the cycle counter for timing anyway,
819 will be called vfio_ap. !! 606 so you might as well say Y here.
820 607
821 endmenu !! 608 If unsure, say N.
822 609
823 config CCW !! 610 config NODES_SHIFT
824 def_bool y !! 611 int
>> 612 default "7"
>> 613 depends on NEED_MULTIPLE_NODES
825 614
826 config HAVE_PNETID !! 615 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
827 tristate !! 616 config ALPHA_LARGE_VMALLOC
828 default (SMC || CCWGROUP) !! 617 bool
>> 618 ---help---
>> 619 Process creation and other aspects of virtual memory management can
>> 620 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 621 allocations. This equates to about 8GB.
>> 622
>> 623 Under normal circumstances, this is so far and above what is needed
>> 624 as to be laughable. However, there are certain applications (such
>> 625 as benchmark-grade in-kernel web serving) that can make use of as
>> 626 much vmalloc space as is available.
>> 627
>> 628 Say N unless you know you need gobs and gobs of vmalloc space.
>> 629
>> 630 config VERBOSE_MCHECK
>> 631 bool "Verbose Machine Checks"
>> 632
>> 633 config VERBOSE_MCHECK_ON
>> 634 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 635 depends on VERBOSE_MCHECK
>> 636 default 1
>> 637 ---help---
>> 638 This option allows the default printing mode to be set, and then
>> 639 possibly overridden by a boot command argument.
>> 640
>> 641 For example, if one wanted the option of printing verbose
>> 642 machine checks, but wanted the default to be as if verbose
>> 643 machine check printing was turned off, then one would choose
>> 644 the printing mode to be 0. Then, upon reboot, one could add
>> 645 the boot command line "verbose_mcheck=1" to get the normal
>> 646 verbose machine check printing, or "verbose_mcheck=2" to get
>> 647 the maximum information available.
829 648
830 menu "Virtualization" !! 649 Take the default (1) unless you want more control or more info.
831 650
832 config PFAULT !! 651 choice
833 def_bool y !! 652 prompt "Timer interrupt frequency (HZ)?"
834 prompt "Pseudo page fault support" !! 653 default HZ_128 if ALPHA_QEMU
835 help !! 654 default HZ_1200 if ALPHA_RAWHIDE
836 Select this option, if you want to u !! 655 default HZ_1024
837 handling under VM. If running native !! 656 ---help---
838 has no effect. If your VM does not s !! 657 The frequency at which timer interrupts occur. A high frequency
839 pseudo page fault handling will be u !! 658 minimizes latency, whereas a low frequency minimizes overhead of
840 Note that VM 4.2 supports PFAULT but !! 659 process accounting. The later effect is especially significant
841 implementation that causes some prob !! 660 when being run under QEMU.
842 Everybody who wants to run Linux und !! 661
843 this option. !! 662 Note that some Alpha hardware cannot change the interrupt frequency
844 !! 663 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
845 config CMM !! 664
846 def_tristate n !! 665 config HZ_32
847 prompt "Cooperative memory management" !! 666 bool "32 Hz"
848 help !! 667 config HZ_64
849 Select this option, if you want to e !! 668 bool "64 Hz"
850 to reduce the memory size of the sys !! 669 config HZ_128
851 by allocating pages of memory and pu !! 670 bool "128 Hz"
852 makes sense for a system running und !! 671 config HZ_256
853 will be reused by VM for other guest !! 672 bool "256 Hz"
854 allows an external monitor to balanc !! 673 config HZ_1024
855 Everybody who wants to run Linux und !! 674 bool "1024 Hz"
856 option. !! 675 config HZ_1200
>> 676 bool "1200 Hz"
>> 677 endchoice
857 678
858 config CMM_IUCV !! 679 config HZ
859 def_bool y !! 680 int
860 prompt "IUCV special message interface !! 681 default 32 if HZ_32
861 depends on CMM && (SMSGIUCV=y || CMM=S !! 682 default 64 if HZ_64
862 help !! 683 default 128 if HZ_128
863 Select this option to enable the spe !! 684 default 256 if HZ_256
864 the cooperative memory management. !! 685 default 1200 if HZ_1200
>> 686 default 1024
>> 687
>> 688 source "drivers/pci/Kconfig"
>> 689 source "drivers/eisa/Kconfig"
>> 690
>> 691 source "drivers/pcmcia/Kconfig"
>> 692
>> 693 config SRM_ENV
>> 694 tristate "SRM environment through procfs"
>> 695 depends on PROC_FS
>> 696 ---help---
>> 697 If you enable this option, a subdirectory inside /proc called
>> 698 /proc/srm_environment will give you access to the all important
>> 699 SRM environment variables (those which have a name) and also
>> 700 to all others (by their internal number).
>> 701
>> 702 SRM is something like a BIOS for Alpha machines. There are some
>> 703 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 704 support (hey, that's not SRM!).
>> 705
>> 706 Despite the fact that this driver doesn't work on all Alphas (but
>> 707 only on those which have SRM as their firmware), it's save to
>> 708 build it even if your particular machine doesn't know about SRM
>> 709 (or if you intend to compile a generic kernel). It will simply
>> 710 not create those subdirectory in /proc (and give you some warning,
>> 711 of course).
865 712
866 config APPLDATA_BASE !! 713 This driver is also available as a module and will be called
867 def_bool n !! 714 srm_env then.
868 prompt "Linux - VM Monitor Stream, bas <<
869 depends on PROC_SYSCTL <<
870 help <<
871 This provides a kernel interface for <<
872 monitor records. The monitor records <<
873 intervals, once the timer is started <<
874 Writing 1 or 0 to /proc/appldata/tim <<
875 i.e. enables or disables monitoring <<
876 A custom interval value (in seconds) <<
877 /proc/appldata/interval. <<
878 <<
879 Defaults are 60 seconds interval and <<
880 The /proc entries can also be read f <<
881 <<
882 config APPLDATA_MEM <<
883 def_tristate m <<
884 prompt "Monitor memory management stat <<
885 depends on APPLDATA_BASE && VM_EVENT_C <<
886 help <<
887 This provides memory management rela <<
888 Stream, like paging/swapping rate, m <<
889 Writing 1 or 0 to /proc/appldata/mem <<
890 APPLDATA monitor record, i.e. enable <<
891 on the z/VM side. <<
892 <<
893 Default is disabled. <<
894 The /proc entry can also be read fro <<
895 <<
896 This can also be compiled as a modul <<
897 appldata_mem.o. <<
898 <<
899 config APPLDATA_OS <<
900 def_tristate m <<
901 prompt "Monitor OS statistics" <<
902 depends on APPLDATA_BASE <<
903 help <<
904 This provides OS related data to the <<
905 CPU utilisation, etc. <<
906 Writing 1 or 0 to /proc/appldata/os <<
907 APPLDATA monitor record, i.e. enable <<
908 on the z/VM side. <<
909 <<
910 Default is disabled. <<
911 This can also be compiled as a modul <<
912 appldata_os.o. <<
913 <<
914 config APPLDATA_NET_SUM <<
915 def_tristate m <<
916 prompt "Monitor overall network statis <<
917 depends on APPLDATA_BASE && NET <<
918 help <<
919 This provides network related data t <<
920 currently there is only a total sum <<
921 per-interface data. <<
922 Writing 1 or 0 to /proc/appldata/net <<
923 APPLDATA monitor record, i.e. enable <<
924 on the z/VM side. <<
925 <<
926 Default is disabled. <<
927 This can also be compiled as a modul <<
928 appldata_net_sum.o. <<
929 715
930 config S390_HYPFS !! 716 source "fs/Kconfig.binfmt"
931 def_bool y <<
932 prompt "s390 hypervisor information" <<
933 help <<
934 This provides several binary files a <<
935 provide accounting information in an <<
936 717
937 config S390_HYPFS_FS !! 718 endmenu
938 def_bool n <<
939 prompt "s390 hypervisor file system su <<
940 select SYS_HYPERVISOR <<
941 depends on S390_HYPFS <<
942 help <<
943 This is a virtual file system intend <<
944 information in an s390 hypervisor en <<
945 is deprecated and should not be used <<
946 719
947 Say N if you are unsure. !! 720 source "net/Kconfig"
948 721
949 source "arch/s390/kvm/Kconfig" !! 722 source "drivers/Kconfig"
950 723
951 config S390_GUEST !! 724 source "fs/Kconfig"
952 def_bool y <<
953 prompt "s390 support for virtio device <<
954 select TTY <<
955 select VIRTUALIZATION <<
956 select VIRTIO <<
957 help <<
958 Enabling this option adds support fo <<
959 drivers on s390. <<
960 725
961 Select this option if you want to ru !! 726 source "arch/alpha/Kconfig.debug"
962 the KVM hypervisor. <<
963 727
964 endmenu !! 728 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 729 # but we also need it if VGA_HOSE is set
>> 730 config DUMMY_CONSOLE
>> 731 bool
>> 732 depends on VGA_HOSE
>> 733 default y
965 734
966 config S390_MODULES_SANITY_TEST_HELPERS !! 735 source "security/Kconfig"
967 def_bool n <<
968 736
969 menu "Selftests" !! 737 source "crypto/Kconfig"
970 738
971 config S390_UNWIND_SELFTEST !! 739 source "lib/Kconfig"
972 def_tristate n <<
973 depends on KUNIT <<
974 default KUNIT_ALL_TESTS <<
975 prompt "Test unwind functions" <<
976 help <<
977 This option enables s390 specific st <<
978 module. This option is not useful fo <<
979 kernels, but only for kernel develop <<
980 <<
981 Say N if you are unsure. <<
982 <<
983 config S390_KPROBES_SANITY_TEST <<
984 def_tristate n <<
985 prompt "Enable s390 specific kprobes t <<
986 depends on KPROBES <<
987 depends on KUNIT <<
988 help <<
989 This option enables an s390 specific <<
990 is not useful for distributions or g <<
991 developers working on architecture c <<
992 <<
993 Say N if you are unsure. <<
994 <<
995 config S390_MODULES_SANITY_TEST <<
996 def_tristate n <<
997 depends on KUNIT <<
998 default KUNIT_ALL_TESTS <<
999 prompt "Enable s390 specific modules t <<
1000 select S390_MODULES_SANITY_TEST_HELPE <<
1001 help <<
1002 This option enables an s390 specifi <<
1003 not useful for distributions or gen <<
1004 kernel developers working on archit <<
1005 740
1006 Say N if you are unsure. <<
1007 endmenu <<
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