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TOMOYO Linux Cross Reference
Linux/arch/loongarch/Kconfig

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Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/loongarch/Kconfig (Version linux-6.12-rc7) and /arch/sparc/Kconfig (Version linux-3.10.108)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 config 64BIT
  2 config LOONGARCH                               !!   2         bool "64-bit kernel" if ARCH = "sparc"
                                                   >>   3         default ARCH = "sparc64"
                                                   >>   4         help
                                                   >>   5           SPARC is a family of RISC microprocessors designed and marketed by
                                                   >>   6           Sun Microsystems, incorporated.  They are very widely found in Sun
                                                   >>   7           workstations and clones.
                                                   >>   8 
                                                   >>   9           Say yes to build a 64-bit kernel - formerly known as sparc64
                                                   >>  10           Say no to build a 32-bit kernel - formerly known as sparc
                                                   >>  11 
                                                   >>  12 config SPARC
  3         bool                                       13         bool
  4         default y                                  14         default y
  5         select ACPI                            !!  15         select OF
  6         select ACPI_GENERIC_GSI if ACPI        !!  16         select OF_PROMTREE
  7         select ACPI_MCFG if ACPI               !!  17         select HAVE_IDE
  8         select ACPI_HOTPLUG_CPU if ACPI_PROCES !!  18         select HAVE_OPROFILE
  9         select ACPI_PPTT if ACPI               !!  19         select HAVE_ARCH_KGDB if !SMP || SPARC64
 10         select ACPI_SYSTEM_POWER_STATES_SUPPOR !!  20         select HAVE_ARCH_TRACEHOOK
 11         select ARCH_BINFMT_ELF_STATE           !!  21         select SYSCTL_EXCEPTION_TRACE
 12         select ARCH_DISABLE_KASAN_INLINE       !!  22         select ARCH_WANT_OPTIONAL_GPIOLIB
 13         select ARCH_ENABLE_MEMORY_HOTPLUG      !!  23         select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 14         select ARCH_ENABLE_MEMORY_HOTREMOVE    !!  24         select RTC_CLASS
 15         select ARCH_ENABLE_THP_MIGRATION if TR !!  25         select RTC_DRV_M48T59
 16         select ARCH_HAS_ACPI_TABLE_UPGRADE     !!  26         select HAVE_DMA_ATTRS
 17         select ARCH_HAS_CPU_FINALIZE_INIT      !!  27         select HAVE_DMA_API_DEBUG
 18         select ARCH_HAS_CURRENT_STACK_POINTER  !!  28         select HAVE_ARCH_JUMP_LABEL if SPARC64
 19         select ARCH_HAS_DEBUG_VM_PGTABLE       !!  29         select HAVE_GENERIC_HARDIRQS
 20         select ARCH_HAS_FAST_MULTIPLIER        << 
 21         select ARCH_HAS_FORTIFY_SOURCE         << 
 22         select ARCH_HAS_KCOV                   << 
 23         select ARCH_HAS_KERNEL_FPU_SUPPORT if  << 
 24         select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS  << 
 25         select ARCH_HAS_NON_OVERLAPPING_ADDRES << 
 26         select ARCH_HAS_PTE_DEVMAP             << 
 27         select ARCH_HAS_PTE_SPECIAL            << 
 28         select ARCH_HAS_SET_MEMORY             << 
 29         select ARCH_HAS_SET_DIRECT_MAP         << 
 30         select ARCH_HAS_TICK_BROADCAST if GENE << 
 31         select ARCH_INLINE_READ_LOCK if !PREEM << 
 32         select ARCH_INLINE_READ_LOCK_BH if !PR << 
 33         select ARCH_INLINE_READ_LOCK_IRQ if !P << 
 34         select ARCH_INLINE_READ_LOCK_IRQSAVE i << 
 35         select ARCH_INLINE_READ_UNLOCK if !PRE << 
 36         select ARCH_INLINE_READ_UNLOCK_BH if ! << 
 37         select ARCH_INLINE_READ_UNLOCK_IRQ if  << 
 38         select ARCH_INLINE_READ_UNLOCK_IRQREST << 
 39         select ARCH_INLINE_WRITE_LOCK if !PREE << 
 40         select ARCH_INLINE_WRITE_LOCK_BH if !P << 
 41         select ARCH_INLINE_WRITE_LOCK_IRQ if ! << 
 42         select ARCH_INLINE_WRITE_LOCK_IRQSAVE  << 
 43         select ARCH_INLINE_WRITE_UNLOCK if !PR << 
 44         select ARCH_INLINE_WRITE_UNLOCK_BH if  << 
 45         select ARCH_INLINE_WRITE_UNLOCK_IRQ if << 
 46         select ARCH_INLINE_WRITE_UNLOCK_IRQRES << 
 47         select ARCH_INLINE_SPIN_TRYLOCK if !PR << 
 48         select ARCH_INLINE_SPIN_TRYLOCK_BH if  << 
 49         select ARCH_INLINE_SPIN_LOCK if !PREEM << 
 50         select ARCH_INLINE_SPIN_LOCK_BH if !PR << 
 51         select ARCH_INLINE_SPIN_LOCK_IRQ if !P << 
 52         select ARCH_INLINE_SPIN_LOCK_IRQSAVE i << 
 53         select ARCH_INLINE_SPIN_UNLOCK if !PRE << 
 54         select ARCH_INLINE_SPIN_UNLOCK_BH if ! << 
 55         select ARCH_INLINE_SPIN_UNLOCK_IRQ if  << 
 56         select ARCH_INLINE_SPIN_UNLOCK_IRQREST << 
 57         select ARCH_KEEP_MEMBLOCK              << 
 58         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
 59         select ARCH_MIGHT_HAVE_PC_SERIO        << 
 60         select ARCH_SPARSEMEM_ENABLE           << 
 61         select ARCH_STACKWALK                  << 
 62         select ARCH_SUPPORTS_ACPI              << 
 63         select ARCH_SUPPORTS_ATOMIC_RMW        << 
 64         select ARCH_SUPPORTS_HUGETLBFS         << 
 65         select ARCH_SUPPORTS_INT128 if CC_HAS_ << 
 66         select ARCH_SUPPORTS_LTO_CLANG         << 
 67         select ARCH_SUPPORTS_LTO_CLANG_THIN    << 
 68         select ARCH_SUPPORTS_NUMA_BALANCING    << 
 69         select ARCH_USE_BUILTIN_BSWAP          << 
 70         select ARCH_USE_CMPXCHG_LOCKREF        << 
 71         select ARCH_USE_QUEUED_RWLOCKS         << 
 72         select ARCH_USE_QUEUED_SPINLOCKS       << 
 73         select ARCH_WANT_DEFAULT_BPF_JIT       << 
 74         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ << 
 75         select ARCH_WANT_LD_ORPHAN_WARN        << 
 76         select ARCH_WANT_OPTIMIZE_HUGETLB_VMEM << 
 77         select ARCH_WANTS_NO_INSTR             << 
 78         select ARCH_WANTS_THP_SWAP if HAVE_ARC << 
 79         select BUILDTIME_TABLE_SORT            << 
 80         select COMMON_CLK                      << 
 81         select CPU_PM                          << 
 82         select EFI                             << 
 83         select GENERIC_CLOCKEVENTS             << 
 84         select GENERIC_CMOS_UPDATE             << 
 85         select GENERIC_CPU_AUTOPROBE           << 
 86         select GENERIC_CPU_DEVICES             << 
 87         select GENERIC_CPU_VULNERABILITIES     << 
 88         select GENERIC_ENTRY                   << 
 89         select GENERIC_GETTIMEOFDAY            << 
 90         select GENERIC_IOREMAP if !ARCH_IOREMA << 
 91         select GENERIC_IRQ_MATRIX_ALLOCATOR    << 
 92         select GENERIC_IRQ_MULTI_HANDLER       << 
 93         select GENERIC_IRQ_PROBE               << 
 94         select GENERIC_IRQ_SHOW                    30         select GENERIC_IRQ_SHOW
 95         select GENERIC_LIB_ASHLDI3             !!  31         select ARCH_WANT_IPC_PARSE_VERSION
 96         select GENERIC_LIB_ASHRDI3             !!  32         select USE_GENERIC_SMP_HELPERS if SMP
 97         select GENERIC_LIB_CMPDI2              << 
 98         select GENERIC_LIB_LSHRDI3             << 
 99         select GENERIC_LIB_UCMPDI2             << 
100         select GENERIC_LIB_DEVMEM_IS_ALLOWED   << 
101         select GENERIC_PCI_IOMAP                   33         select GENERIC_PCI_IOMAP
102         select GENERIC_SCHED_CLOCK             !!  34         select HAVE_NMI_WATCHDOG if SPARC64
                                                   >>  35         select HAVE_BPF_JIT
                                                   >>  36         select HAVE_DEBUG_BUGVERBOSE
103         select GENERIC_SMP_IDLE_THREAD             37         select GENERIC_SMP_IDLE_THREAD
104         select GENERIC_TIME_VSYSCALL           !!  38         select GENERIC_CMOS_UPDATE
105         select GENERIC_VDSO_TIME_NS            !!  39         select GENERIC_CLOCKEVENTS
106         select GPIOLIB                         !!  40         select GENERIC_STRNCPY_FROM_USER
107         select HAS_IOPORT                      !!  41         select GENERIC_STRNLEN_USER
108         select HAVE_ARCH_AUDITSYSCALL          !!  42         select MODULES_USE_ELF_RELA
109         select HAVE_ARCH_JUMP_LABEL            !!  43         select ODD_RT_SIGACTION
110         select HAVE_ARCH_JUMP_LABEL_RELATIVE   !!  44         select OLD_SIGSUSPEND
111         select HAVE_ARCH_KASAN                 !!  45 
112         select HAVE_ARCH_KFENCE                !!  46 config SPARC32
113         select HAVE_ARCH_KGDB if PERF_EVENTS   !!  47         def_bool !64BIT
114         select HAVE_ARCH_MMAP_RND_BITS if MMU  !!  48         select GENERIC_ATOMIC64
115         select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS !!  49         select CLZ_TAB
116         select HAVE_ARCH_SECCOMP               !!  50         select HAVE_UID16
117         select HAVE_ARCH_SECCOMP_FILTER        !!  51         select OLD_SIGACTION
118         select HAVE_ARCH_TRACEHOOK             !!  52 
                                                   >>  53 config SPARC64
                                                   >>  54         def_bool 64BIT
                                                   >>  55         select ARCH_SUPPORTS_MSI
                                                   >>  56         select HAVE_FUNCTION_TRACER
                                                   >>  57         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  58         select HAVE_FUNCTION_GRAPH_FP_TEST
                                                   >>  59         select HAVE_FUNCTION_TRACE_MCOUNT_TEST
                                                   >>  60         select HAVE_KRETPROBES
                                                   >>  61         select HAVE_KPROBES
                                                   >>  62         select HAVE_RCU_TABLE_FREE if SMP
                                                   >>  63         select HAVE_MEMBLOCK
                                                   >>  64         select HAVE_MEMBLOCK_NODE_MAP
119         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      65         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
120         select HAVE_ARCH_USERFAULTFD_MINOR if  << 
121         select HAVE_ASM_MODVERSIONS            << 
122         select HAVE_CONTEXT_TRACKING_USER      << 
123         select HAVE_C_RECORDMCOUNT             << 
124         select HAVE_DEBUG_KMEMLEAK             << 
125         select HAVE_DEBUG_STACKOVERFLOW        << 
126         select HAVE_DMA_CONTIGUOUS             << 
127         select HAVE_DYNAMIC_FTRACE                 66         select HAVE_DYNAMIC_FTRACE
128         select HAVE_DYNAMIC_FTRACE_WITH_ARGS   << 
129         select HAVE_DYNAMIC_FTRACE_WITH_DIRECT << 
130         select HAVE_DYNAMIC_FTRACE_WITH_REGS   << 
131         select HAVE_EBPF_JIT                   << 
132         select HAVE_EFFICIENT_UNALIGNED_ACCESS << 
133         select HAVE_EXIT_THREAD                << 
134         select HAVE_GUP_FAST                   << 
135         select HAVE_FTRACE_MCOUNT_RECORD           67         select HAVE_FTRACE_MCOUNT_RECORD
136         select HAVE_FUNCTION_ARG_ACCESS_API    << 
137         select HAVE_FUNCTION_ERROR_INJECTION   << 
138         select HAVE_FUNCTION_GRAPH_RETVAL if H << 
139         select HAVE_FUNCTION_GRAPH_TRACER      << 
140         select HAVE_FUNCTION_TRACER            << 
141         select HAVE_GCC_PLUGINS                << 
142         select HAVE_GENERIC_VDSO               << 
143         select HAVE_HW_BREAKPOINT if PERF_EVEN << 
144         select HAVE_IOREMAP_PROT               << 
145         select HAVE_IRQ_EXIT_ON_IRQ_STACK      << 
146         select HAVE_IRQ_TIME_ACCOUNTING        << 
147         select HAVE_KPROBES                    << 
148         select HAVE_KPROBES_ON_FTRACE          << 
149         select HAVE_KRETPROBES                 << 
150         select HAVE_LIVEPATCH                  << 
151         select HAVE_MOD_ARCH_SPECIFIC          << 
152         select HAVE_NMI                        << 
153         select HAVE_OBJTOOL if AS_HAS_EXPLICIT << 
154         select HAVE_PCI                        << 
155         select HAVE_PERF_EVENTS                << 
156         select HAVE_PERF_REGS                  << 
157         select HAVE_PERF_USER_STACK_DUMP       << 
158         select HAVE_PREEMPT_DYNAMIC_KEY        << 
159         select HAVE_REGS_AND_STACK_ACCESS_API  << 
160         select HAVE_RELIABLE_STACKTRACE if UNW << 
161         select HAVE_RETHOOK                    << 
162         select HAVE_RSEQ                       << 
163         select HAVE_RUST                       << 
164         select HAVE_SAMPLE_FTRACE_DIRECT       << 
165         select HAVE_SAMPLE_FTRACE_DIRECT_MULTI << 
166         select HAVE_SETUP_PER_CPU_AREA if NUMA << 
167         select HAVE_STACK_VALIDATION if HAVE_O << 
168         select HAVE_STACKPROTECTOR             << 
169         select HAVE_SYSCALL_TRACEPOINTS            68         select HAVE_SYSCALL_TRACEPOINTS
170         select HAVE_TIF_NOHZ                   !!  69         select HAVE_DEBUG_KMEMLEAK
171         select HAVE_VIRT_CPU_ACCOUNTING_GEN if !!  70         select RTC_DRV_CMOS
172         select IRQ_FORCED_THREADING            !!  71         select RTC_DRV_BQ4802
173         select IRQ_LOONGARCH_CPU               !!  72         select RTC_DRV_SUN4V
174         select LOCK_MM_AND_FIND_VMA            !!  73         select RTC_DRV_STARFIRE
175         select MMU_GATHER_MERGE_VMAS if MMU    !!  74         select HAVE_PERF_EVENTS
176         select MODULES_USE_ELF_RELA if MODULES << 
177         select NEED_PER_CPU_EMBED_FIRST_CHUNK  << 
178         select NEED_PER_CPU_PAGE_FIRST_CHUNK   << 
179         select OF                              << 
180         select OF_EARLY_FLATTREE               << 
181         select PCI                             << 
182         select PCI_DOMAINS_GENERIC             << 
183         select PCI_ECAM if ACPI                << 
184         select PCI_LOONGSON                    << 
185         select PCI_MSI_ARCH_FALLBACKS          << 
186         select PCI_QUIRKS                      << 
187         select PERF_USE_VMALLOC                    75         select PERF_USE_VMALLOC
188         select RTC_LIB                         !!  76         select IRQ_PREFLOW_FASTEOI
189         select SPARSE_IRQ                      !!  77         select ARCH_HAVE_NMI_SAFE_CMPXCHG
190         select SYSCTL_ARCH_UNALIGN_ALLOW       !!  78         select HAVE_C_RECORDMCOUNT
191         select SYSCTL_ARCH_UNALIGN_NO_WARN     !!  79         select NO_BOOTMEM
192         select SYSCTL_EXCEPTION_TRACE          !!  80         select ARCH_SUPPORTS_ATOMIC_RMW
193         select SWIOTLB                         << 
194         select TRACE_IRQFLAGS_SUPPORT          << 
195         select USE_PERCPU_NUMA_NODE_ID         << 
196         select USER_STACKTRACE_SUPPORT         << 
197         select VDSO_GETRANDOM                  << 
198         select ZONE_DMA32                      << 
199                                                << 
200 config 32BIT                                   << 
201         bool                                   << 
202                                                << 
203 config 64BIT                                   << 
204         def_bool y                             << 
205                                                << 
206 config GENERIC_BUG                             << 
207         def_bool y                             << 
208         depends on BUG                         << 
209                                                << 
210 config GENERIC_BUG_RELATIVE_POINTERS           << 
211         def_bool y                             << 
212         depends on GENERIC_BUG                 << 
213                                                << 
214 config GENERIC_CALIBRATE_DELAY                 << 
215         def_bool y                             << 
216                                                << 
217 config GENERIC_CSUM                            << 
218         def_bool y                             << 
219                                                << 
220 config GENERIC_HWEIGHT                         << 
221         def_bool y                             << 
222                                                    81 
223 config L1_CACHE_SHIFT                          !!  82 config ARCH_DEFCONFIG
224         int                                    !!  83         string
225         default "6"                            !!  84         default "arch/sparc/configs/sparc32_defconfig" if SPARC32
                                                   >>  85         default "arch/sparc/configs/sparc64_defconfig" if SPARC64
226                                                    86 
227 config LOCKDEP_SUPPORT                         !!  87 config IOMMU_HELPER
228         bool                                       88         bool
229         default y                              !!  89         default y if SPARC64
230                                                    90 
231 config STACKTRACE_SUPPORT                          91 config STACKTRACE_SUPPORT
232         bool                                       92         bool
233         default y                              !!  93         default y if SPARC64
234                                                << 
235 # MACH_LOONGSON32 and MACH_LOONGSON64 are deli << 
236 # MIPS Loongson code, to preserve Loongson-spe << 
237 # are shared between architectures, and specif << 
238 config MACH_LOONGSON32                         << 
239         def_bool 32BIT                         << 
240                                                << 
241 config MACH_LOONGSON64                         << 
242         def_bool 64BIT                         << 
243                                                    94 
244 config FIX_EARLYCON_MEM                        !!  95 config LOCKDEP_SUPPORT
245         def_bool y                             << 
246                                                << 
247 config PGTABLE_2LEVEL                          << 
248         bool                                   << 
249                                                << 
250 config PGTABLE_3LEVEL                          << 
251         bool                                       96         bool
                                                   >>  97         default y if SPARC64
252                                                    98 
253 config PGTABLE_4LEVEL                          !!  99 config HAVE_LATENCYTOP_SUPPORT
254         bool                                      100         bool
                                                   >> 101         default y if SPARC64
255                                                   102 
256 config PGTABLE_LEVELS                          !! 103 config ARCH_HIBERNATION_POSSIBLE
257         int                                    !! 104         def_bool y if SPARC64
258         default 2 if PGTABLE_2LEVEL            << 
259         default 3 if PGTABLE_3LEVEL            << 
260         default 4 if PGTABLE_4LEVEL            << 
261                                                   105 
262 config SCHED_OMIT_FRAME_POINTER                !! 106 config AUDIT_ARCH
263         bool                                      107         bool
264         default y                                 108         default y
265                                                   109 
266 config AS_HAS_EXPLICIT_RELOCS                  !! 110 config HAVE_SETUP_PER_CPU_AREA
267         def_bool $(as-instr,x:pcalau12i \$t0$( !! 111         def_bool y if SPARC64
268                                                   112 
269 config AS_HAS_FCSR_CLASS                       !! 113 config NEED_PER_CPU_EMBED_FIRST_CHUNK
270         def_bool $(as-instr,movfcsr2gr \$t0$(c !! 114         def_bool y if SPARC64
271                                                   115 
272 config AS_HAS_THIN_ADD_SUB                     !! 116 config NEED_PER_CPU_PAGE_FIRST_CHUNK
273         def_bool $(cc-option,-Wa$(comma)-mthin !! 117         def_bool y if SPARC64
274                                                   118 
275 config AS_HAS_LSX_EXTENSION                    !! 119 config MMU
276         def_bool $(as-instr,vld \$vr0$(comma)\ !! 120         bool
                                                   >> 121         default y
277                                                   122 
278 config AS_HAS_LASX_EXTENSION                   !! 123 config HIGHMEM
279         def_bool $(as-instr,xvld \$xr0$(comma) !! 124         bool
                                                   >> 125         default y if SPARC32
280                                                   126 
281 config AS_HAS_LBT_EXTENSION                    !! 127 config ZONE_DMA
282         def_bool $(as-instr,movscr2gr \$a0$(co !! 128         bool
                                                   >> 129         default y if SPARC32
283                                                   130 
284 config AS_HAS_LVZ_EXTENSION                    !! 131 config NEED_DMA_MAP_STATE
285         def_bool $(as-instr,hvcl 0)            !! 132         def_bool y
286                                                   133 
287 menu "Kernel type and options"                 !! 134 config NEED_SG_DMA_LENGTH
                                                   >> 135         def_bool y
288                                                   136 
289 source "kernel/Kconfig.hz"                     !! 137 config GENERIC_ISA_DMA
                                                   >> 138         bool
                                                   >> 139         default y if SPARC32
290                                                   140 
291 choice                                         !! 141 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
292         prompt "Page Table Layout"             !! 142         def_bool y if SPARC64
293         default 16KB_2LEVEL if 32BIT           << 
294         default 16KB_3LEVEL if 64BIT           << 
295         help                                   << 
296           Allows choosing the page table layou << 
297           of page size and page table levels.  << 
298           address space are determined by the  << 
299                                                   143 
300 config 4KB_3LEVEL                              !! 144 source "init/Kconfig"
301         bool "4KB with 3 levels"               << 
302         select HAVE_PAGE_SIZE_4KB              << 
303         select PGTABLE_3LEVEL                  << 
304         help                                   << 
305           This option selects 4KB page size wi << 
306           support a maximum of 39 bits of appl << 
307                                                   145 
308 config 4KB_4LEVEL                              !! 146 source "kernel/Kconfig.freezer"
309         bool "4KB with 4 levels"               << 
310         select HAVE_PAGE_SIZE_4KB              << 
311         select PGTABLE_4LEVEL                  << 
312         help                                   << 
313           This option selects 4KB page size wi << 
314           support a maximum of 48 bits of appl << 
315                                                   147 
316 config 16KB_2LEVEL                             !! 148 menu "Processor type and features"
317         bool "16KB with 2 levels"              << 
318         select HAVE_PAGE_SIZE_16KB             << 
319         select PGTABLE_2LEVEL                  << 
320         help                                   << 
321           This option selects 16KB page size w << 
322           support a maximum of 36 bits of appl << 
323                                                << 
324 config 16KB_3LEVEL                             << 
325         bool "16KB with 3 levels"              << 
326         select HAVE_PAGE_SIZE_16KB             << 
327         select PGTABLE_3LEVEL                  << 
328         help                                   << 
329           This option selects 16KB page size w << 
330           support a maximum of 47 bits of appl << 
331                                                   149 
332 config 64KB_2LEVEL                             !! 150 config SMP
333         bool "64KB with 2 levels"              !! 151         bool "Symmetric multi-processing support"
334         select HAVE_PAGE_SIZE_64KB             !! 152         ---help---
335         select PGTABLE_2LEVEL                  !! 153           This enables support for systems with more than one CPU. If you have
336         help                                   !! 154           a system with only one CPU, say N. If you have a system with more
337           This option selects 64KB page size w !! 155           than one CPU, say Y.
338           support a maximum of 42 bits of appl << 
339                                                   156 
340 config 64KB_3LEVEL                             !! 157           If you say N here, the kernel will run on single and multiprocessor
341         bool "64KB with 3 levels"              !! 158           machines, but will use only one CPU of a multiprocessor machine. If
342         select HAVE_PAGE_SIZE_64KB             !! 159           you say Y here, the kernel will run on many, but not all,
343         select PGTABLE_3LEVEL                  !! 160           singleprocessor machines. On a singleprocessor machine, the kernel
344         help                                   !! 161           will run faster if you say N here.
345           This option selects 64KB page size w << 
346           support a maximum of 55 bits of appl << 
347                                                   162 
348 endchoice                                      !! 163           People using multiprocessor machines who say Y here should also say
                                                   >> 164           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 165           Management" code will be disabled if you say Y here.
349                                                   166 
350 config CMDLINE                                 !! 167           See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
351         string "Built-in kernel command line"  !! 168           available at <http://www.tldp.org/docs.html#howto>.
352         help                                   << 
353           For most platforms, the arguments fo << 
354           are provided at run-time, during boo << 
355           where either no arguments are being  << 
356           arguments are insufficient or even i << 
357                                                   169 
358           When that occurs, it is possible to  !! 170           If you don't know what to do here, say N.
359           line here and choose how the kernel  << 
360                                                   171 
361 choice                                         !! 172 config NR_CPUS
362         prompt "Kernel command line type"      !! 173         int "Maximum number of CPUs"
363         default CMDLINE_BOOTLOADER             !! 174         depends on SMP
364         help                                   !! 175         range 2 32 if SPARC32
365           Choose how the kernel will handle th !! 176         range 2 1024 if SPARC64
366           line.                                !! 177         default 32 if SPARC32
                                                   >> 178         default 64 if SPARC64
367                                                   179 
368 config CMDLINE_BOOTLOADER                      !! 180 source kernel/Kconfig.hz
369         bool "Use bootloader kernel arguments  << 
370         help                                   << 
371           Prefer the command-line passed by th << 
372           Use the built-in command line as fal << 
373           during boot. This is the default beh << 
374                                                   181 
375 config CMDLINE_EXTEND                          !! 182 config RWSEM_GENERIC_SPINLOCK
376         bool "Use built-in to extend bootloade !! 183         bool
377         help                                   !! 184         default y if SPARC32
378           The command-line arguments provided  << 
379           appended to the built-in command lin << 
380           cases where the provided arguments a << 
381           you don't want to or cannot modify t << 
382                                                   185 
383 config CMDLINE_FORCE                           !! 186 config RWSEM_XCHGADD_ALGORITHM
384         bool "Always use the built-in kernel c !! 187         bool
385         help                                   !! 188         default y if SPARC64
386           Always use the built-in command line << 
387           boot. This is useful in case you nee << 
388           command line on systems where you do << 
389           over it.                             << 
390                                                   189 
391 endchoice                                      !! 190 config GENERIC_HWEIGHT
                                                   >> 191         bool
                                                   >> 192         default y
392                                                   193 
393 config BUILTIN_DTB                             !! 194 config GENERIC_CALIBRATE_DELAY
394         bool "Enable built-in dtb in kernel"   !! 195         bool
395         depends on OF                          !! 196         default y
396         help                                   << 
397           Some existing systems do not provide << 
398           the kernel at boot time. Let's provi << 
399           kernel, keyed by the dts filename, c << 
400                                                   197 
401           Built-in DTBs are generic enough and !! 198 config ARCH_MAY_HAVE_PC_FDC
                                                   >> 199         bool
                                                   >> 200         default y
402                                                   201 
403 config BUILTIN_DTB_NAME                        !! 202 config EMULATED_CMPXCHG
404         string "Source file for built-in dtb"  !! 203         bool
405         depends on BUILTIN_DTB                 !! 204         default y if SPARC32
406         help                                      205         help
407           Base name (without suffix, relative  !! 206           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
408           for the DTS file that will be used t !! 207           is emulated, and therefore it is not completely atomic.
409           the kernel.                          << 
410                                                   208 
411 config DMI                                     !! 209 # Makefile helpers
412         bool "Enable DMI scanning"             !! 210 config SPARC32_SMP
413         select DMI_SCAN_MACHINE_NON_EFI_FALLBA !! 211         bool
414         default y                                 212         default y
415         help                                   !! 213         depends on SPARC32 && SMP
416           This enables SMBIOS/DMI feature for  << 
417           DMI to identify machine quirks.      << 
418                                                << 
419 config EFI                                     << 
420         bool "EFI runtime service support"     << 
421         select UCS2_STRING                     << 
422         select EFI_RUNTIME_WRAPPERS            << 
423         help                                   << 
424           This enables the kernel to use EFI r << 
425           available (such as the EFI variable  << 
426                                                   214 
427 config EFI_STUB                                !! 215 config SPARC64_SMP
428         bool "EFI boot stub support"           !! 216         bool
429         default y                                 217         default y
430         depends on EFI                         !! 218         depends on SPARC64 && SMP
431         select EFI_GENERIC_STUB                << 
432         help                                   << 
433           This kernel feature allows the kerne << 
434           EFI firmware without the use of a bo << 
435                                                   219 
436 config SCHED_SMT                               !! 220 config EARLYFB
437         bool "SMT scheduler support"           !! 221         bool "Support for early boot text console"
438         depends on SMP                         << 
439         default y                                 222         default y
                                                   >> 223         depends on SPARC64
440         help                                      224         help
441           Improves scheduler's performance whe !! 225           Say Y here to enable a faster early framebuffer boot console.
442           threads in one physical core.        << 
443                                                   226 
444 config SMP                                     !! 227 config SECCOMP
445         bool "Multi-Processing support"        !! 228         bool "Enable seccomp to safely compute untrusted bytecode"
                                                   >> 229         depends on SPARC64 && PROC_FS
                                                   >> 230         default y
446         help                                      231         help
447           This enables support for systems wit !! 232           This kernel feature is useful for number crunching applications
448           a system with only one CPU, say N. I !! 233           that may need to compute untrusted bytecode during their
449           than one CPU, say Y.                 !! 234           execution. By using pipes or other transports made available to
                                                   >> 235           the process as file descriptors supporting the read/write
                                                   >> 236           syscalls, it's possible to isolate those applications in
                                                   >> 237           their own address space using seccomp. Once seccomp is
                                                   >> 238           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 239           and the task is only allowed to execute a few safe syscalls
                                                   >> 240           defined by each seccomp mode.
450                                                   241 
451           If you say N here, the kernel will r !! 242           If unsure, say Y. Only embedded should say N here.
452           machines, but will use only one CPU  << 
453           you say Y here, the kernel will run  << 
454           uniprocessor machines. On a uniproce << 
455           will run faster if you say N here.   << 
456                                                << 
457           See also the SMP-HOWTO available at  << 
458                                                << 
459           If you don't know what to do here, s << 
460                                                   243 
461 config HOTPLUG_CPU                                244 config HOTPLUG_CPU
462         bool "Support for hot-pluggable CPUs"     245         bool "Support for hot-pluggable CPUs"
463         depends on SMP                         !! 246         depends on SPARC64 && SMP
464         select GENERIC_IRQ_MIGRATION           !! 247         select HOTPLUG
465         help                                      248         help
466           Say Y here to allow turning CPUs off !! 249           Say Y here to experiment with turning CPUs off and on.  CPUs
467           controlled through /sys/devices/syst !! 250           can be controlled through /sys/devices/system/cpu/cpu#.
468           (Note: power management support will << 
469             automatically on SMP systems. )    << 
470           Say N if you want to disable CPU hot    251           Say N if you want to disable CPU hotplug.
471                                                   252 
472 config NR_CPUS                                 !! 253 if SPARC64
473         int "Maximum number of CPUs (2-256)"   !! 254 source "drivers/cpufreq/Kconfig"
474         range 2 256                            !! 255 endif
475         depends on SMP                         !! 256 
476         default "64"                           !! 257 config US3_MC
                                                   >> 258         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 259         depends on SPARC64
                                                   >> 260         default y
477         help                                      261         help
478           This allows you to specify the maxim !! 262           This adds a driver for the UltraSPARC-III memory controller.
479           kernel will support.                 !! 263           Loading this driver allows exact mnemonic strings to be
                                                   >> 264           printed in the event of a memory error, so that the faulty DIMM
                                                   >> 265           on the motherboard can be matched to the error.
                                                   >> 266 
                                                   >> 267           If in doubt, say Y, as this information can be very useful.
                                                   >> 268 
                                                   >> 269 # Global things across all Sun machines.
                                                   >> 270 config GENERIC_LOCKBREAK
                                                   >> 271         bool
                                                   >> 272         default y
                                                   >> 273         depends on SPARC64 && SMP && PREEMPT
480                                                   274 
481 config NUMA                                       275 config NUMA
482         bool "NUMA Support"                    !! 276         bool "NUMA support"
483         select SMP                             !! 277         depends on SPARC64 && SMP
484         help                                   << 
485           Say Y to compile the kernel with NUM << 
486           support.  This option improves perfo << 
487           than one NUMA node; on single node s << 
488           to leave it disabled.                << 
489                                                   278 
490 config NODES_SHIFT                                279 config NODES_SHIFT
491         int                                       280         int
492         default "6"                            !! 281         default "4"
493         depends on NUMA                        !! 282         depends on NEED_MULTIPLE_NODES
494                                                   283 
495 config ARCH_FORCE_MAX_ORDER                    !! 284 # Some NUMA nodes have memory ranges that span
496         int "Maximum zone order"               !! 285 # other nodes.  Even though a pfn is valid and
497         default "13" if PAGE_SIZE_64KB         !! 286 # between a node's start and end pfns, it may not
498         default "11" if PAGE_SIZE_16KB         !! 287 # reside on that node.  See memmap_init_zone()
499         default "10"                           !! 288 # for details.
500         help                                   !! 289 config NODES_SPAN_OTHER_NODES
501           The kernel memory allocator divides  !! 290         def_bool y
502           blocks into "zones", where each zone !! 291         depends on NEED_MULTIPLE_NODES
503           pages.  This option selects the larg << 
504           keeps in the memory allocator.  If y << 
505           blocks of physically contiguous memo << 
506           increase this value.                 << 
507                                                   292 
508           The page size is not necessarily 4KB !! 293 config ARCH_SELECT_MEMORY_MODEL
509           when choosing a value for this optio !! 294         def_bool y if SPARC64
510                                                   295 
511 config ARCH_IOREMAP                            !! 296 config ARCH_SPARSEMEM_ENABLE
512         bool "Enable LoongArch DMW-based iorem !! 297         def_bool y if SPARC64
513         help                                   !! 298         select SPARSEMEM_VMEMMAP_ENABLE
514           We use generic TLB-based ioremap() b << 
515           protection support. However, you can << 
516           ioremap() for better performance.    << 
517                                                   299 
518 config ARCH_WRITECOMBINE                       !! 300 config ARCH_SPARSEMEM_DEFAULT
519         bool "Enable WriteCombine (WUC) for io !! 301         def_bool y if SPARC64
520         help                                   << 
521           LoongArch maintains cache coherency  << 
522           with LS7A chipsets the WUC attribute << 
523           is similar to WriteCombine) is out o << 
524           machanism for PCIe devices (this is  << 
525           may be fixed in newer chipsets).     << 
526                                                   302 
527           This means WUC can only used for wri !! 303 source "mm/Kconfig"
528           this option is disabled by default,  << 
529           SUC for ioremap(). You can enable th << 
530           to run on hardware without this bug. << 
531                                                   304 
532           You can override this setting via wr !! 305 if SPARC64
                                                   >> 306 source "kernel/power/Kconfig"
                                                   >> 307 endif
                                                   >> 308 
                                                   >> 309 config SCHED_SMT
                                                   >> 310         bool "SMT (Hyperthreading) scheduler support"
                                                   >> 311         depends on SPARC64 && SMP
                                                   >> 312         default y
                                                   >> 313         help
                                                   >> 314           SMT scheduler support improves the CPU scheduler's decision making
                                                   >> 315           when dealing with SPARC cpus at a cost of slightly increased overhead
                                                   >> 316           in some places. If unsure say N here.
533                                                   317 
534 config ARCH_STRICT_ALIGN                       !! 318 config SCHED_MC
535         bool "Enable -mstrict-align to prevent !! 319         bool "Multi-core scheduler support"
                                                   >> 320         depends on SPARC64 && SMP
536         default y                                 321         default y
537         help                                      322         help
538           Not all LoongArch cores support h/w  !! 323           Multi-core scheduler support improves the CPU scheduler's decision
539           -mstrict-align build parameter to pr !! 324           making when dealing with multi-core CPU chips at a cost of slightly
                                                   >> 325           increased overhead in some places. If unsure say N here.
540                                                   326 
541           CPUs with h/w unaligned access suppo !! 327 source "kernel/Kconfig.preempt"
542           Loongson-2K2000/2K3000/3A5000/3C5000 << 
543                                                   328 
544           CPUs without h/w unaligned access su !! 329 config CMDLINE_BOOL
545           Loongson-2K500/2K1000.               !! 330         bool "Default bootloader kernel arguments"
                                                   >> 331         depends on SPARC64
                                                   >> 332 
                                                   >> 333 config CMDLINE
                                                   >> 334         string "Initial kernel command string"
                                                   >> 335         depends on CMDLINE_BOOL
                                                   >> 336         default "console=ttyS0,9600 root=/dev/sda1"
                                                   >> 337         help
                                                   >> 338           Say Y here if you want to be able to pass default arguments to
                                                   >> 339           the kernel. This will be overridden by the bootloader, if you
                                                   >> 340           use one (such as SILO). This is most useful if you want to boot
                                                   >> 341           a kernel from TFTP, and want default options to be available
                                                   >> 342           with having them passed on the command line.
                                                   >> 343 
                                                   >> 344           NOTE: This option WILL override the PROM bootargs setting!
                                                   >> 345 
                                                   >> 346 config SUN_PM
                                                   >> 347         bool
                                                   >> 348         default y if SPARC32
                                                   >> 349         help
                                                   >> 350           Enable power management and CPU standby features on supported
                                                   >> 351           SPARC platforms.
                                                   >> 352 
                                                   >> 353 config SPARC_LED
                                                   >> 354         tristate "Sun4m LED driver"
                                                   >> 355         depends on SPARC32
                                                   >> 356         help
                                                   >> 357           This driver toggles the front-panel LED on sun4m systems
                                                   >> 358           in a user-specifiable manner.  Its state can be probed
                                                   >> 359           by reading /proc/led and its blinking mode can be changed
                                                   >> 360           via writes to /proc/led
                                                   >> 361 
                                                   >> 362 config SERIAL_CONSOLE
                                                   >> 363         bool
                                                   >> 364         depends on SPARC32
                                                   >> 365         default y
                                                   >> 366         ---help---
                                                   >> 367           If you say Y here, it will be possible to use a serial port as the
                                                   >> 368           system console (the system console is the device which receives all
                                                   >> 369           kernel messages and warnings and which allows logins in single user
                                                   >> 370           mode). This could be useful if some terminal or printer is connected
                                                   >> 371           to that serial port.
                                                   >> 372 
                                                   >> 373           Even if you say Y here, the currently visible virtual console
                                                   >> 374           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 375           you can alter that using a kernel command line option such as
                                                   >> 376           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 377           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 378           boot time.)
                                                   >> 379 
                                                   >> 380           If you don't have a graphics card installed and you say Y here, the
                                                   >> 381           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 382           system console.
                                                   >> 383 
                                                   >> 384           If unsure, say N.
                                                   >> 385 
                                                   >> 386 config SPARC_LEON
                                                   >> 387         bool "Sparc Leon processor family"
                                                   >> 388         depends on SPARC32
                                                   >> 389         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 390         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 391         ---help---
                                                   >> 392           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 393           The LEON processor is a synthesizable VHDL model of the
                                                   >> 394           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 395           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 396           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 397           toolchain at www.gaisler.com.
                                                   >> 398 
                                                   >> 399 if SPARC_LEON
                                                   >> 400 menu "U-Boot options"
                                                   >> 401 
                                                   >> 402 config UBOOT_LOAD_ADDR
                                                   >> 403         hex "uImage Load Address"
                                                   >> 404         default 0x40004000
                                                   >> 405         ---help---
                                                   >> 406          U-Boot kernel load address, the address in physical address space
                                                   >> 407          where u-boot will place the Linux kernel before booting it.
                                                   >> 408          This address is normally the base address of main memory + 0x4000.
                                                   >> 409 
                                                   >> 410 config UBOOT_FLASH_ADDR
                                                   >> 411         hex "uImage.o Load Address"
                                                   >> 412         default 0x00080000
                                                   >> 413         ---help---
                                                   >> 414          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 415          download the uImage file to the target using a ELF-loader other than
                                                   >> 416          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 417          the GRMON utility before even starting u-boot.
                                                   >> 418 
                                                   >> 419 config UBOOT_ENTRY_ADDR
                                                   >> 420         hex "uImage Entry Address"
                                                   >> 421         default 0xf0004000
                                                   >> 422         ---help---
                                                   >> 423          Do not change this unless you know what you're doing. This is
                                                   >> 424          hardcoded by the SPARC32 and LEON port.
546                                                   425 
547           This option is enabled by default to !! 426          This is the virtual address u-boot jumps to when booting the Linux
548           on all LoongArch systems. But you ca !! 427          Kernel.
549           to run kernel only on systems with h << 
550           order to optimise for performance.   << 
551                                                   428 
552 config CPU_HAS_FPU                             !! 429 endmenu
                                                   >> 430 endif
                                                   >> 431 
                                                   >> 432 endmenu
                                                   >> 433 
                                                   >> 434 menu "Bus options (PCI etc.)"
                                                   >> 435 config SBUS
553         bool                                      436         bool
554         default y                                 437         default y
555                                                   438 
556 config CPU_HAS_LSX                             !! 439 config SBUSCHAR
557         bool "Support for the Loongson SIMD Ex !! 440         bool
558         depends on AS_HAS_LSX_EXTENSION        !! 441         default y
559         help                                   << 
560           Loongson SIMD Extension (LSX) introd << 
561           and a set of SIMD instructions to op << 
562           is enabled the kernel will support a << 
563           vector register contexts. If you kno << 
564           running on CPUs which do not support << 
565           not be making use of it then you may << 
566           the size & complexity of your kernel << 
567                                                   442 
568           If unsure, say Y.                    !! 443 config SUN_LDOMS
                                                   >> 444         bool "Sun Logical Domains support"
                                                   >> 445         depends on SPARC64
                                                   >> 446         help
                                                   >> 447           Say Y here is you want to support virtual devices via
                                                   >> 448           Logical Domains.
569                                                   449 
570 config CPU_HAS_LASX                            !! 450 config PCI
571         bool "Support for the Loongson Advance !! 451         bool "Support for PCI and PS/2 keyboard/mouse"
572         depends on CPU_HAS_LSX                 << 
573         depends on AS_HAS_LASX_EXTENSION       << 
574         help                                      452         help
575           Loongson Advanced SIMD Extension (LA !! 453           Find out whether your system includes a PCI bus. PCI is the name of
576           registers and a set of SIMD instruct !! 454           a bus system, i.e. the way the CPU talks to the other stuff inside
577           option is enabled the kernel will su !! 455           your box.  If you say Y here, the kernel will include drivers and
578           vector register contexts. If you kno !! 456           infrastructure code to support PCI bus devices.
579           running on CPUs which do not support << 
580           not be making use of it then you may << 
581           the size & complexity of your kernel << 
582                                                   457 
583           If unsure, say Y.                    !! 458           CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
                                                   >> 459           CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
                                                   >> 460           All of these platforms are extremely obscure, so say N if unsure.
584                                                   461 
585 config CPU_HAS_LBT                             !! 462 config PCI_DOMAINS
586         bool "Support for the Loongson Binary  !! 463         def_bool PCI if SPARC64
587         depends on AS_HAS_LBT_EXTENSION        << 
588         help                                   << 
589           Loongson Binary Translation (LBT) in << 
590           to SCR3), x86/ARM eflags (eflags) an << 
591           Enabling this option allows the kern << 
592           specific to LBT.                     << 
593                                                   464 
594           If you want to use this feature, suc !! 465 config PCI_SYSCALL
595           Translator (LAT), say Y.             !! 466         def_bool PCI
596                                                   467 
597 config CPU_HAS_PREFETCH                        !! 468 config PCIC_PCI
598         bool                                      469         bool
                                                   >> 470         depends on PCI && SPARC32 && !SPARC_LEON
599         default y                                 471         default y
600                                                   472 
601 config ARCH_SUPPORTS_KEXEC                     !! 473 config LEON_PCI
602         def_bool y                             !! 474         bool
603                                                !! 475         depends on PCI && SPARC_LEON
604 config ARCH_SUPPORTS_CRASH_DUMP                !! 476         default y
605         def_bool y                             << 
606                                                << 
607 config ARCH_SELECTS_CRASH_DUMP                 << 
608         def_bool y                             << 
609         depends on CRASH_DUMP                  << 
610         select RELOCATABLE                     << 
611                                                << 
612 config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATIO << 
613         def_bool CRASH_RESERVE                 << 
614                                                   477 
615 config RELOCATABLE                             !! 478 config SPARC_GRPCI1
616         bool "Relocatable kernel"              !! 479         bool "GRPCI Host Bridge Support"
617         select ARCH_HAS_RELR                   !! 480         depends on LEON_PCI
                                                   >> 481         default y
618         help                                      482         help
619           This builds the kernel as a Position !! 483           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
620           which retains all relocation metadat !! 484           PCI host controller is typically found in GRLIB SPARC32/LEON
621           the kernel binary at runtime to a di !! 485           systems. The driver has one property (all_pci_errors) controlled
622           its link address.                    !! 486           from the bootloader that makes the GRPCI to generate interrupts
                                                   >> 487           on detected PCI Parity and System errors.
623                                                   488 
624 config RANDOMIZE_BASE                          !! 489 config SPARC_GRPCI2
625         bool "Randomize the address of the ker !! 490         bool "GRPCI2 Host Bridge Support"
626         depends on RELOCATABLE                 !! 491         depends on LEON_PCI
                                                   >> 492         default y
627         help                                      493         help
628            Randomizes the physical and virtual !! 494           Say Y here to include the GRPCI2 Host Bridge Driver.
629            kernel image is loaded, as a securi << 
630            deters exploit attempts relying on  << 
631            of kernel internals.                << 
632                                                   495 
633            The kernel will be offset by up to  !! 496 source "drivers/pci/Kconfig"
634                                                   497 
635            If unsure, say N.                   !! 498 source "drivers/pcmcia/Kconfig"
636                                                   499 
637 config RANDOMIZE_BASE_MAX_OFFSET               !! 500 config SUN_OPENPROMFS
638         hex "Maximum KASLR offset" if EXPERT   !! 501         tristate "Openprom tree appears in /proc/openprom"
639         depends on RANDOMIZE_BASE              << 
640         range 0x0 0x10000000                   << 
641         default "0x01000000"                   << 
642         help                                      502         help
643           When KASLR is active, this provides  !! 503           If you say Y, the OpenPROM device tree will be available as a
644           be applied to the kernel image. It s !! 504           virtual file system, which you can mount to /proc/openprom by "mount
645           amount of physical RAM available in  !! 505           -t openpromfs none /proc/openprom".
646                                                << 
647           This is limited by the size of the l << 
648                                                   506 
649 source "kernel/livepatch/Kconfig"              !! 507           To compile the /proc/openprom support as a module, choose M here: the
                                                   >> 508           module will be called openpromfs.
650                                                   509 
651 config PARAVIRT                                !! 510           Only choose N if you know in advance that you will not need to modify
652         bool "Enable paravirtualization code"  !! 511           OpenPROM settings on the running system.
653         depends on AS_HAS_LVZ_EXTENSION        << 
654         help                                   << 
655           This changes the kernel so it can mo << 
656           under a hypervisor, potentially impr << 
657           over full virtualization.  However,  << 
658           the kernel is theoretically slower a << 
659                                                   512 
660 config PARAVIRT_TIME_ACCOUNTING                !! 513 # Makefile helper
661         bool "Paravirtual steal time accountin !! 514 config SPARC64_PCI
662         depends on PARAVIRT                    !! 515         bool
663         help                                   !! 516         default y
664           Select this option to enable fine gr !! 517         depends on SPARC64 && PCI
665           accounting. Time spent executing oth << 
666           the current vCPU is discounted from  << 
667           that, there can be a small performan << 
668                                                << 
669           If in doubt, say N here.             << 
670                                                   518 
671 endmenu                                           519 endmenu
672                                                   520 
673 config ARCH_SELECT_MEMORY_MODEL                !! 521 menu "Executable file formats"
674         def_bool y                             << 
675                                                << 
676 config ARCH_FLATMEM_ENABLE                     << 
677         def_bool y                             << 
678         depends on !NUMA                       << 
679                                                   522 
680 config ARCH_SPARSEMEM_ENABLE                   !! 523 source "fs/Kconfig.binfmt"
681         def_bool y                             << 
682         select SPARSEMEM_VMEMMAP_ENABLE        << 
683         help                                   << 
684           Say Y to support efficient handling  << 
685           for architectures which are either N << 
686           or have huge holes in the physical a << 
687           See <file:Documentation/mm/numa.rst> << 
688                                                   524 
689 config ARCH_MEMORY_PROBE                       !! 525 config COMPAT
690         def_bool y                             !! 526         bool
691         depends on MEMORY_HOTPLUG              !! 527         depends on SPARC64
                                                   >> 528         default y
                                                   >> 529         select COMPAT_BINFMT_ELF
                                                   >> 530         select HAVE_UID16
                                                   >> 531         select ARCH_WANT_OLD_COMPAT_IPC
                                                   >> 532         select COMPAT_OLD_SIGACTION
692                                                   533 
693 config MMU                                     !! 534 config SYSVIPC_COMPAT
694         bool                                      535         bool
                                                   >> 536         depends on COMPAT && SYSVIPC
695         default y                                 537         default y
696                                                   538 
697 config ARCH_MMAP_RND_BITS_MIN                  !! 539 config KEYS_COMPAT
698         default 12                             !! 540         def_bool y if COMPAT && KEYS
699                                                   541 
700 config ARCH_MMAP_RND_BITS_MAX                  !! 542 endmenu
701         default 18                             << 
702                                                   543 
703 config ARCH_SUPPORTS_UPROBES                   !! 544 source "net/Kconfig"
704         def_bool y                             << 
705                                                   545 
706 config KASAN_SHADOW_OFFSET                     !! 546 source "drivers/Kconfig"
707         hex                                    << 
708         default 0x0                            << 
709         depends on KASAN                       << 
710                                                   547 
711 menu "Power management options"                !! 548 source "drivers/sbus/char/Kconfig"
712                                                   549 
713 config ARCH_SUSPEND_POSSIBLE                   !! 550 source "fs/Kconfig"
714         def_bool y                             << 
715                                                   551 
716 config ARCH_HIBERNATION_POSSIBLE               !! 552 source "arch/sparc/Kconfig.debug"
717         def_bool y                             << 
718                                                   553 
719 source "kernel/power/Kconfig"                  !! 554 source "security/Kconfig"
720 source "drivers/acpi/Kconfig"                  << 
721 source "drivers/cpufreq/Kconfig"               << 
722                                                   555 
723 endmenu                                        !! 556 source "crypto/Kconfig"
724                                                   557 
725 source "arch/loongarch/kvm/Kconfig"            !! 558 source "lib/Kconfig"
                                                      

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