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TOMOYO Linux Cross Reference
Linux/arch/parisc/Kconfig

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Diff markup

Differences between /arch/parisc/Kconfig (Version linux-6.12-rc7) and /arch/alpha/Kconfig (Version linux-5.12.19)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 config PARISC                                  !!   2 config ALPHA
  3         def_bool y                             !!   3         bool
  4         select ALTERNATE_USER_ADDRESS_SPACE    !!   4         default y
  5         select ARCH_32BIT_OFF_T if !64BIT      !!   5         select ARCH_32BIT_USTAT_F_TINODE
  6         select ARCH_MIGHT_HAVE_PC_PARPORT           6         select ARCH_MIGHT_HAVE_PC_PARPORT
  7         select HAVE_FUNCTION_TRACER            !!   7         select ARCH_MIGHT_HAVE_PC_SERIO
  8         select HAVE_FUNCTION_GRAPH_TRACER      !!   8         select ARCH_NO_PREEMPT
  9         select HAVE_SYSCALL_TRACEPOINTS        << 
 10         select ARCH_WANT_FRAME_POINTERS        << 
 11         select ARCH_HAS_CPU_CACHE_ALIASING     << 
 12         select ARCH_HAS_DMA_ALLOC if PA11      << 
 13         select ARCH_HAS_DMA_OPS                << 
 14         select ARCH_HAS_ELF_RANDOMIZE          << 
 15         select ARCH_HAS_STRICT_KERNEL_RWX      << 
 16         select ARCH_HAS_STRICT_MODULE_RWX      << 
 17         select ARCH_HAS_UBSAN                  << 
 18         select ARCH_HAS_PTE_SPECIAL            << 
 19         select ARCH_NO_SG_CHAIN                     9         select ARCH_NO_SG_CHAIN
 20         select ARCH_SPLIT_ARG64 if !64BIT      !!  10         select ARCH_USE_CMPXCHG_LOCKREF
 21         select ARCH_SUPPORTS_HUGETLBFS if PA20 !!  11         select DMA_OPS if PCI
 22         select ARCH_SUPPORTS_MEMORY_FAILURE    !!  12         select FORCE_PCI if !ALPHA_JENSEN
 23         select ARCH_STACKWALK                  !!  13         select PCI_DOMAINS if PCI
 24         select ARCH_HAS_CACHE_LINE_SIZE        !!  14         select PCI_SYSCALL if PCI
 25         select ARCH_HAS_DEBUG_VM_PGTABLE       !!  15         select HAVE_AOUT
 26         select HAVE_RELIABLE_STACKTRACE        !!  16         select HAVE_ASM_MODVERSIONS
 27         select RTC_CLASS                       !!  17         select HAVE_IDE
 28         select RTC_DRV_GENERIC                 !!  18         select HAVE_PCSPKR_PLATFORM
 29         select INIT_ALL_POSSIBLE               << 
 30         select BUG                             << 
 31         select HAVE_KERNEL_UNCOMPRESSED        << 
 32         select HAVE_PCI                        << 
 33         select HAVE_PERF_EVENTS                    19         select HAVE_PERF_EVENTS
 34         select HAVE_KERNEL_BZIP2               !!  20         select NEED_DMA_MAP_STATE
 35         select HAVE_KERNEL_GZIP                !!  21         select NEED_SG_DMA_LENGTH
 36         select HAVE_KERNEL_LZ4                 !!  22         select VIRT_TO_BUS
 37         select HAVE_KERNEL_LZMA                << 
 38         select HAVE_KERNEL_LZO                 << 
 39         select HAVE_KERNEL_XZ                  << 
 40         select GENERIC_ATOMIC64 if !64BIT      << 
 41         select GENERIC_IRQ_PROBE                   23         select GENERIC_IRQ_PROBE
 42         select GENERIC_PCI_IOMAP               !!  24         select GENERIC_PCI_IOMAP if PCI
 43         select GENERIC_IOREMAP                 !!  25         select AUTO_IRQ_AFFINITY if SMP
                                                   >>  26         select GENERIC_IRQ_SHOW
                                                   >>  27         select ARCH_WANT_IPC_PARSE_VERSION
 44         select ARCH_HAVE_NMI_SAFE_CMPXCHG          28         select ARCH_HAVE_NMI_SAFE_CMPXCHG
                                                   >>  29         select AUDIT_ARCH
                                                   >>  30         select GENERIC_CPU_VULNERABILITIES
 45         select GENERIC_SMP_IDLE_THREAD             31         select GENERIC_SMP_IDLE_THREAD
 46         select GENERIC_ARCH_TOPOLOGY if SMP    !!  32         select GENERIC_STRNCPY_FROM_USER
 47         select GENERIC_CPU_DEVICES if !SMP     !!  33         select GENERIC_STRNLEN_USER
 48         select GENERIC_LIB_DEVMEM_IS_ALLOWED   !!  34         select HAVE_ARCH_AUDITSYSCALL
 49         select SYSCTL_ARCH_UNALIGN_ALLOW       << 
 50         select SYSCTL_ARCH_UNALIGN_NO_WARN     << 
 51         select SYSCTL_EXCEPTION_TRACE          << 
 52         select HAVE_MOD_ARCH_SPECIFIC              35         select HAVE_MOD_ARCH_SPECIFIC
 53         select MODULES_USE_ELF_RELA                36         select MODULES_USE_ELF_RELA
 54         select CLONE_BACKWARDS                 !!  37         select ODD_RT_SIGACTION
 55         select TTY # Needed for pdc_cons.c     !!  38         select OLD_SIGSUSPEND
 56         select HAS_IOPORT if PCI || EISA       !!  39         select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
 57         select HAVE_DEBUG_STACKOVERFLOW        !!  40         select MMU_GATHER_NO_RANGE
 58         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ !!  41         select SET_FS
 59         select HAVE_ARCH_MMAP_RND_COMPAT_BITS  !!  42         select SPARSEMEM_EXTREME if SPARSEMEM
 60         select HAVE_ARCH_MMAP_RND_BITS         !!  43         help
 61         select HAVE_ARCH_AUDITSYSCALL          !!  44           The Alpha is a 64-bit general-purpose processor designed and
 62         select HAVE_ARCH_HASH                  !!  45           marketed by the Digital Equipment Corporation of blessed memory,
 63         select HAVE_ARCH_JUMP_LABEL            !!  46           now Hewlett-Packard.  The Alpha Linux project has a home page at
 64         select HAVE_ARCH_JUMP_LABEL_RELATIVE   !!  47           <http://www.alphalinux.org/>.
 65         select HAVE_ARCH_KFENCE                << 
 66         select HAVE_ARCH_SECCOMP_FILTER        << 
 67         select HAVE_ARCH_TRACEHOOK             << 
 68         select HAVE_EBPF_JIT                   << 
 69         select ARCH_WANT_DEFAULT_BPF_JIT       << 
 70         select HAVE_REGS_AND_STACK_ACCESS_API  << 
 71         select HOTPLUG_CORE_SYNC_DEAD if HOTPL << 
 72         select GENERIC_SCHED_CLOCK             << 
 73         select GENERIC_IRQ_MIGRATION if SMP    << 
 74         select HAVE_UNSTABLE_SCHED_CLOCK if SM << 
 75         select GENERIC_CLOCKEVENTS             << 
 76         select CPU_NO_EFFICIENT_FFS            << 
 77         select THREAD_INFO_IN_TASK             << 
 78         select NEED_DMA_MAP_STATE              << 
 79         select NEED_SG_DMA_LENGTH              << 
 80         select HAVE_ARCH_KGDB                  << 
 81         select HAVE_KPROBES                    << 
 82         select HAVE_KRETPROBES                 << 
 83         select HAVE_DYNAMIC_FTRACE if $(cc-opt << 
 84         select HAVE_FTRACE_MCOUNT_RECORD if HA << 
 85         select FTRACE_MCOUNT_USE_PATCHABLE_FUN << 
 86         select HAVE_KPROBES_ON_FTRACE          << 
 87         select HAVE_DYNAMIC_FTRACE_WITH_REGS   << 
 88         select HAVE_SOFTIRQ_ON_OWN_STACK if IR << 
 89         select TRACE_IRQFLAGS_SUPPORT          << 
 90         select HAVE_FUNCTION_DESCRIPTORS if 64 << 
 91         select PCI_MSI_ARCH_FALLBACKS if PCI_M << 
 92                                                << 
 93         help                                   << 
 94           The PA-RISC microprocessor is design << 
 95           in many of their workstations & serv << 
 96           and later HP3000 series).  The PA-RI << 
 97           at <https://parisc.wiki.kernel.org>. << 
 98                                                    48 
 99 config CPU_BIG_ENDIAN                          !!  49 config 64BIT
100         def_bool y                                 50         def_bool y
101                                                    51 
102 config MMU                                         52 config MMU
103         def_bool y                             << 
104                                                << 
105 config STACK_GROWSUP                           << 
106         def_bool y                             << 
107                                                << 
108 config GENERIC_LOCKBREAK                       << 
109         bool                                       53         bool
110         default y                                  54         default y
111         depends on SMP && PREEMPTION           << 
112                                                    55 
113 config ARCH_HAS_ILOG2_U32                          56 config ARCH_HAS_ILOG2_U32
114         bool                                       57         bool
115         default n                                  58         default n
116                                                    59 
117 config ARCH_HAS_ILOG2_U64                          60 config ARCH_HAS_ILOG2_U64
118         bool                                       61         bool
119         default n                                  62         default n
120                                                    63 
121 config GENERIC_BUG                             !!  64 config GENERIC_CALIBRATE_DELAY
122         def_bool y                             << 
123         depends on BUG                         << 
124         select GENERIC_BUG_RELATIVE_POINTERS i << 
125                                                << 
126 config GENERIC_BUG_RELATIVE_POINTERS           << 
127         bool                                       65         bool
                                                   >>  66         default y
128                                                    67 
129 config GENERIC_HWEIGHT                         !!  68 config ZONE_DMA
130         bool                                       69         bool
131         default y                                  70         default y
132                                                    71 
133 config GENERIC_CALIBRATE_DELAY                 !!  72 config GENERIC_ISA_DMA
134         bool                                       73         bool
135         default y                                  74         default y
136                                                    75 
137 config TIME_LOW_RES                            !!  76 config PGTABLE_LEVELS
                                                   >>  77         int
                                                   >>  78         default 3
                                                   >>  79 
                                                   >>  80 config AUDIT_ARCH
138         bool                                       81         bool
139         depends on SMP                         << 
140         default y                              << 
141                                                    82 
142 config ARCH_MMAP_RND_BITS_MIN                  !!  83 menu "System setup"
143         default 18 if 64BIT                    << 
144         default 8                              << 
145                                                    84 
146 config ARCH_MMAP_RND_COMPAT_BITS_MIN           !!  85 choice
147         default 8                              !!  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.
                                                   >>  92 
                                                   >>  93           To find out what type of Alpha system you have, you may want to
                                                   >>  94           check out the Linux/Alpha FAQ, accessible on the WWW from
                                                   >>  95           <http://www.alphalinux.org/>. In summary:
                                                   >>  96 
                                                   >>  97           Alcor/Alpha-XLT     AS 600, AS 500, XL-300, XL-366
                                                   >>  98           Alpha-XL            XL-233, XL-266
                                                   >>  99           AlphaBook1          Alpha laptop
                                                   >> 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
                                                   >> 124 
                                                   >> 125           If you don't know what to do, choose "generic".
                                                   >> 126 
                                                   >> 127 config ALPHA_GENERIC
                                                   >> 128         bool "Generic"
                                                   >> 129         depends on TTY
                                                   >> 130         select HAVE_EISA
                                                   >> 131         help
                                                   >> 132           A generic kernel will run on all supported Alpha hardware.
                                                   >> 133 
                                                   >> 134 config ALPHA_ALCOR
                                                   >> 135         bool "Alcor/Alpha-XLT"
                                                   >> 136         select HAVE_EISA
                                                   >> 137         help
                                                   >> 138           For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
                                                   >> 139           slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
                                                   >> 140           Address, CIA) - a 383 pin plastic PGA).  It provides a DRAM
                                                   >> 141           controller (256-bit memory bus) and a PCI interface.  It also does
                                                   >> 142           all the work required to support an external Bcache and to maintain
                                                   >> 143           memory coherence when a PCI device DMAs into (or out of) memory.
                                                   >> 144 
                                                   >> 145 config ALPHA_XL
                                                   >> 146         bool "Alpha-XL"
                                                   >> 147         help
                                                   >> 148           XL-233 and XL-266-based Alpha systems.
                                                   >> 149 
                                                   >> 150 config ALPHA_BOOK1
                                                   >> 151         bool "AlphaBook1"
                                                   >> 152         help
                                                   >> 153           Dec AlphaBook1/Burns Alpha-based laptops.
                                                   >> 154 
                                                   >> 155 config ALPHA_AVANTI_CH
                                                   >> 156         bool "Avanti"
                                                   >> 157 
                                                   >> 158 config ALPHA_CABRIOLET
                                                   >> 159         bool "Cabriolet"
                                                   >> 160         help
                                                   >> 161           Cabriolet AlphaPC64, AlphaPCI64 systems.  Derived from EB64+ but now
                                                   >> 162           baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
                                                   >> 163           slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
                                                   >> 164           Bcache SIMMs.  Requires power supply with 3.3V output.
                                                   >> 165 
                                                   >> 166 config ALPHA_DP264
                                                   >> 167         bool "DP264"
                                                   >> 168         help
                                                   >> 169           Various 21264 systems with the tsunami core logic chipset.
                                                   >> 170           API Networks: 264DP, UP2000(+), CS20;
                                                   >> 171           Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
                                                   >> 172 
                                                   >> 173 config ALPHA_EB164
                                                   >> 174         bool "EB164"
                                                   >> 175         help
                                                   >> 176           EB164 21164 evaluation board from DEC.  Uses 21164 and ALCOR.  Has
                                                   >> 177           ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
                                                   >> 178           shared with an ISA slot) and 2 32-bit PCI slots.  Uses plus-in
                                                   >> 179           Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
                                                   >> 180           MOUSE (PS2 style), RTC/NVRAM.  Boot ROM is Flash.  PC-AT-sized
                                                   >> 181           motherboard.  Requires power supply with 3.3V output.
                                                   >> 182 
                                                   >> 183 config ALPHA_EB64P_CH
                                                   >> 184         bool "EB64+"
                                                   >> 185 
                                                   >> 186 config ALPHA_EB66
                                                   >> 187         bool "EB66"
                                                   >> 188         help
                                                   >> 189           A Digital DS group board.  Uses 21066 or 21066A.  I/O sub-system is
                                                   >> 190           identical to EB64+.  Baby PC-AT size.  Runs from standard PC power
                                                   >> 191           supply.  The EB66 schematic was published as a marketing poster
                                                   >> 192           advertising the 21066 as "the first microprocessor in the world with
                                                   >> 193           embedded PCI".
                                                   >> 194 
                                                   >> 195 config ALPHA_EB66P
                                                   >> 196         bool "EB66+"
                                                   >> 197         help
                                                   >> 198           Later variant of the EB66 board.
148                                                   199 
149 config ARCH_MMAP_RND_BITS_MAX                  !! 200 config ALPHA_EIGER
150         default 18 if 64BIT                    !! 201         bool "Eiger"
151         default 13                             !! 202         help
                                                   >> 203           Apparently an obscure OEM single-board computer based on the
                                                   >> 204           Typhoon/Tsunami chipset family. Information on it is scanty.
152                                                   205 
153 config ARCH_MMAP_RND_COMPAT_BITS_MAX           !! 206 config ALPHA_JENSEN
154         default 13                             !! 207         bool "Jensen"
                                                   >> 208         depends on BROKEN
                                                   >> 209         select HAVE_EISA
                                                   >> 210         help
                                                   >> 211           DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
                                                   >> 212           of the first-generation Alpha systems. A number of these systems
                                                   >> 213           seem to be available on the second- hand market. The Jensen is a
                                                   >> 214           floor-standing tower system which originally used a 150MHz 21064 It
                                                   >> 215           used programmable logic to interface a 486 EISA I/O bridge to the
                                                   >> 216           CPU.
155                                                   217 
156 # unless you want to implement ACPI on PA-RISC !! 218 config ALPHA_LX164
157 config PM                                      !! 219         bool "LX164"
158         bool                                   !! 220         help
                                                   >> 221           A technical overview of this board is available at
                                                   >> 222           <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
159                                                   223 
160 config STACKTRACE_SUPPORT                      !! 224 config ALPHA_LYNX
161         def_bool y                             !! 225         bool "Lynx"
                                                   >> 226         select HAVE_EISA
                                                   >> 227         help
                                                   >> 228           AlphaServer 2100A-based systems.
                                                   >> 229 
                                                   >> 230 config ALPHA_MARVEL
                                                   >> 231         bool "Marvel"
                                                   >> 232         help
                                                   >> 233           AlphaServer ES47 / ES80 / GS1280 based on EV7.
                                                   >> 234 
                                                   >> 235 config ALPHA_MIATA
                                                   >> 236         bool "Miata"
                                                   >> 237         select HAVE_EISA
                                                   >> 238         help
                                                   >> 239           The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
                                                   >> 240           or 600au).
                                                   >> 241 
                                                   >> 242 config ALPHA_MIKASA
                                                   >> 243         bool "Mikasa"
                                                   >> 244         help
                                                   >> 245           AlphaServer 1000-based Alpha systems.
                                                   >> 246 
                                                   >> 247 config ALPHA_NAUTILUS
                                                   >> 248         bool "Nautilus"
                                                   >> 249         help
                                                   >> 250           Alpha systems based on the AMD 751 & ALI 1543C chipsets.
162                                                   251 
163 config LOCKDEP_SUPPORT                         !! 252 config ALPHA_NONAME_CH
                                                   >> 253         bool "Noname"
                                                   >> 254 
                                                   >> 255 config ALPHA_NORITAKE
                                                   >> 256         bool "Noritake"
                                                   >> 257         select HAVE_EISA
                                                   >> 258         help
                                                   >> 259           AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
                                                   >> 260           systems.
                                                   >> 261 
                                                   >> 262 config ALPHA_PC164
                                                   >> 263         bool "PC164"
                                                   >> 264 
                                                   >> 265 config ALPHA_P2K
                                                   >> 266         bool "Platform2000"
                                                   >> 267 
                                                   >> 268 config ALPHA_RAWHIDE
                                                   >> 269         bool "Rawhide"
                                                   >> 270         select HAVE_EISA
                                                   >> 271         help
                                                   >> 272           AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
                                                   >> 273           See HOWTO at
                                                   >> 274           <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
                                                   >> 275 
                                                   >> 276 config ALPHA_RUFFIAN
                                                   >> 277         bool "Ruffian"
                                                   >> 278         help
                                                   >> 279           Samsung APC164UX.  There is a page on known problems and workarounds
                                                   >> 280           at <http://www.alphalinux.org/faq/FAQ-11.html>.
                                                   >> 281 
                                                   >> 282 config ALPHA_RX164
                                                   >> 283         bool "RX164"
                                                   >> 284 
                                                   >> 285 config ALPHA_SX164
                                                   >> 286         bool "SX164"
                                                   >> 287 
                                                   >> 288 config ALPHA_SABLE
                                                   >> 289         bool "Sable"
                                                   >> 290         select HAVE_EISA
                                                   >> 291         help
                                                   >> 292           Digital AlphaServer 2000 and 2100-based systems.
                                                   >> 293 
                                                   >> 294 config ALPHA_SHARK
                                                   >> 295         bool "Shark"
                                                   >> 296 
                                                   >> 297 config ALPHA_TAKARA
                                                   >> 298         bool "Takara"
                                                   >> 299         help
                                                   >> 300           Alpha 11164-based OEM single-board computer.
                                                   >> 301 
                                                   >> 302 config ALPHA_TITAN
                                                   >> 303         bool "Titan"
                                                   >> 304         help
                                                   >> 305           AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
                                                   >> 306 
                                                   >> 307 config ALPHA_WILDFIRE
                                                   >> 308         bool "Wildfire"
                                                   >> 309         help
                                                   >> 310           AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
                                                   >> 311 
                                                   >> 312 endchoice
                                                   >> 313 
                                                   >> 314 # clear all implied options (don't want default values for those):
                                                   >> 315 # Most of these machines have ISA slots; not exactly sure which don't,
                                                   >> 316 # and this doesn't activate hordes of code, so do it always.
                                                   >> 317 config ISA
164         bool                                      318         bool
165         default y                                 319         default y
                                                   >> 320         help
                                                   >> 321           Find out whether you have ISA slots on your motherboard.  ISA is the
                                                   >> 322           name of a bus system, i.e. the way the CPU talks to the other stuff
                                                   >> 323           inside your box.  Other bus systems are PCI, EISA, MicroChannel
                                                   >> 324           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
                                                   >> 325           newer boards don't support it.  If you have ISA, say Y, otherwise N.
166                                                   326 
167 config ISA_DMA_API                                327 config ISA_DMA_API
168         bool                                      328         bool
                                                   >> 329         default y
169                                                   330 
170 config ARCH_MAY_HAVE_PC_FDC                    !! 331 config ALPHA_NONAME
171         bool                                      332         bool
172         depends on BROKEN                      !! 333         depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
173         default y                                 334         default y
                                                   >> 335         help
                                                   >> 336           The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
                                                   >> 337           UDB).  This design was produced by Digital's Technical OEM (TOEM)
                                                   >> 338           group. It uses the 21066 processor running at 166MHz or 233MHz. It
                                                   >> 339           is a baby-AT size, and runs from a standard PC power supply. It has
                                                   >> 340           5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
                                                   >> 341           2 versions, with either PS/2 or large DIN connectors for the
                                                   >> 342           keyboard.
174                                                   343 
175 config PGTABLE_LEVELS                          !! 344 config ALPHA_EV4
176         int                                    !! 345         bool
177         default 3 if 64BIT && PARISC_PAGE_SIZE !! 346         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
178         default 2                              !! 347         default y if !ALPHA_LYNX
179                                                   348 
180 menu "Processor type and features"             !! 349 config ALPHA_LCA
                                                   >> 350         bool
                                                   >> 351         depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
                                                   >> 352         default y
181                                                   353 
182 choice                                         !! 354 config ALPHA_APECS
183         prompt "Processor type"                !! 355         bool
184         default PA7000 if "$(ARCH)" = "parisc" !! 356         depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
                                                   >> 357         default y
185                                                   358 
186 config PA7000                                  !! 359 config ALPHA_EB64P
187         bool "PA7000/PA7100" if "$(ARCH)" = "p !! 360         bool
                                                   >> 361         depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
                                                   >> 362         default y
188         help                                      363         help
189           This is the processor type of your C !! 364           Uses 21064 or 21064A and APECs.  Has ISA and PCI expansion (3 ISA,
190           used for optimizing purposes.  In or !! 365           2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
191           that can run on all 32-bit PA CPUs ( !! 366           ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
192           you can specify "PA7000" here.       !! 367           (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
                                                   >> 368           SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM.  PC-AT size.
                                                   >> 369           Runs from standard PC power supply.
193                                                   370 
194           Specifying "PA8000" here will allow  !! 371 config ALPHA_EV5
195           which is required on some machines.  !! 372         bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
                                                   >> 373         default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
196                                                   374 
197 config PA7100LC                                !! 375 config ALPHA_EV4
198         bool "PA7100LC" if "$(ARCH)" = "parisc !! 376         bool
199         help                                   !! 377         default y if ALPHA_LYNX && !ALPHA_EV5
200           Select this option for the PCX-L pro << 
201           712, 715/64, 715/80, 715/100, 715/10 << 
202           D200, D210, D300, D310 and E-class   << 
203                                                   378 
204 config PA7200                                  !! 379 config ALPHA_CIA
205         bool "PA7200" if "$(ARCH)" = "parisc"  !! 380         bool
206         help                                   !! 381         depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
207           Select this option for the PCX-T' pr !! 382         default y
208           C100, C110, J100, J110, J210XC, D250 << 
209           K100, K200, K210, K220, K400, K410 a << 
210                                                   383 
211 config PA7300LC                                !! 384 config ALPHA_EV56
212         bool "PA7300LC" if "$(ARCH)" = "parisc !! 385         bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
                                                   >> 386         default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
                                                   >> 387 
                                                   >> 388 config ALPHA_EV56
                                                   >> 389         prompt "EV56 CPU (speed >= 333MHz)?"
                                                   >> 390         depends on ALPHA_NORITAKE || ALPHA_PRIMO
                                                   >> 391 
                                                   >> 392 config ALPHA_EV56
                                                   >> 393         prompt "EV56 CPU (speed >= 400MHz)?"
                                                   >> 394         depends on ALPHA_RAWHIDE
                                                   >> 395 
                                                   >> 396 config ALPHA_PRIMO
                                                   >> 397         bool "EV5 CPU daughtercard (model 5/xxx)?"
                                                   >> 398         depends on ALPHA_NORITAKE || ALPHA_MIKASA
213         help                                      399         help
214           Select this option for the PCX-L2 pr !! 400           Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
215           744, A180, B132L, B160L, B180L, C132 << 
216           D220, D230, D320 and D330.           << 
217                                                   401 
218 config PA8X00                                  !! 402 config ALPHA_GAMMA
219         bool "PA8000 and up"                   !! 403         bool "EV5 CPU(s) (model 5/xxx)?"
                                                   >> 404         depends on ALPHA_SABLE
220         help                                      405         help
221           Select this option for PCX-U to PCX- !! 406           Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
222                                                   407 
223 endchoice                                      !! 408 config ALPHA_GAMMA
                                                   >> 409         bool
                                                   >> 410         depends on ALPHA_LYNX
                                                   >> 411         default y
224                                                   412 
225 # Define implied options from the CPU selectio !! 413 config ALPHA_T2
                                                   >> 414         bool
                                                   >> 415         depends on ALPHA_SABLE || ALPHA_LYNX
                                                   >> 416         default y
226                                                   417 
227 config PA20                                    !! 418 config ALPHA_PYXIS
228         def_bool y                             !! 419         bool
229         depends on PA8X00                      !! 420         depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
                                                   >> 421         default y
230                                                   422 
231 config PA11                                    !! 423 config ALPHA_EV6
232         def_bool y                             !! 424         bool
233         depends on PA7000 || PA7100LC || PA720 !! 425         depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
234         select ARCH_HAS_SYNC_DMA_FOR_CPU       !! 426         default y
235         select ARCH_HAS_SYNC_DMA_FOR_DEVICE    << 
236                                                   427 
237 config PREFETCH                                !! 428 config ALPHA_TSUNAMI
238         def_bool y                             !! 429         bool
239         depends on PA8X00 || PA7200            !! 430         depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
                                                   >> 431         default y
240                                                   432 
241 config PARISC_HUGE_KERNEL                      !! 433 config ALPHA_EV67
242         def_bool y if !MODULES || UBSAN || FTR !! 434         bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
                                                   >> 435         default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
                                                   >> 436         help
                                                   >> 437           Is this a machine based on the EV67 core?  If in doubt, select N here
                                                   >> 438           and the machine will be treated as an EV6.
243                                                   439 
244 config MLONGCALLS                              !! 440 config ALPHA_MCPCIA
245         bool "Enable the -mlong-calls compiler !! 441         bool
246         depends on PA8X00                      !! 442         depends on ALPHA_RAWHIDE
247         default PARISC_HUGE_KERNEL             !! 443         default y
248         help                                   << 
249           If you configure the kernel to inclu << 
250           as modules, the kernel executable ma << 
251           linker will not be able to resolve s << 
252           your vmlinux kernel. In that case en << 
253           to overcome this limit by using the  << 
254                                                << 
255           Usually you want to say N here, unle << 
256           a kernel which includes all necessar << 
257           be used for TFTP booting without the << 
258                                                   444 
259           Enabling this option will probably s !! 445 config ALPHA_POLARIS
                                                   >> 446         bool
                                                   >> 447         depends on ALPHA_RX164
                                                   >> 448         default y
260                                                   449 
261 config 64BIT                                   !! 450 config ALPHA_IRONGATE
262         bool "64-bit kernel" if "$(ARCH)" = "p !! 451         bool
263         depends on PA8X00                      !! 452         depends on ALPHA_NAUTILUS
264         default "$(ARCH)" = "parisc64"         !! 453         default y
265         help                                   << 
266           Enable this if you want to support 6 << 
267                                                << 
268           At the moment, only people willing t << 
269           or having a 64bit-only capable PA-RI << 
270                                                << 
271           Since there is no 64bit userland on  << 
272           enable this option otherwise. The 64 << 
273           and slower than the 32bit one.       << 
274                                                   454 
275 choice                                         !! 455 config GENERIC_HWEIGHT
276         prompt "Kernel page size"              !! 456         bool
277         default PARISC_PAGE_SIZE_4KB           !! 457         default y if !ALPHA_EV67
278                                                   458 
279 config PARISC_PAGE_SIZE_4KB                    !! 459 config ALPHA_AVANTI
280         bool "4KB"                             !! 460         bool
281         select HAVE_PAGE_SIZE_4KB              !! 461         depends on ALPHA_XL || ALPHA_AVANTI_CH
282         help                                   !! 462         default y
283           This lets you select the page size o !! 463         help
284           performance, a page size of 16KB is  !! 464           Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
285           compatibility with 32bit application !! 465           Alphas. Info at
286           selected (the vast majority of 32bit !! 466           <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
287           with a larger page size).            << 
288                                                << 
289           4KB                For best 32bit co << 
290           16KB               For best performa << 
291           64KB               For best performa << 
292                                                << 
293           If you don't know what to do, choose << 
294                                                << 
295 config PARISC_PAGE_SIZE_16KB                   << 
296         bool "16KB"                            << 
297         select HAVE_PAGE_SIZE_16KB             << 
298         depends on PA8X00 && BROKEN && !KFENCE << 
299                                                << 
300 config PARISC_PAGE_SIZE_64KB                   << 
301         bool "64KB"                            << 
302         select HAVE_PAGE_SIZE_64KB             << 
303         depends on PA8X00 && BROKEN && !KFENCE << 
304                                                   467 
305 endchoice                                      !! 468 config ALPHA_BROKEN_IRQ_MASK
                                                   >> 469         bool
                                                   >> 470         depends on ALPHA_GENERIC || ALPHA_PC164
                                                   >> 471         default y
                                                   >> 472 
                                                   >> 473 config VGA_HOSE
                                                   >> 474         bool
                                                   >> 475         depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
                                                   >> 476         default y
                                                   >> 477         help
                                                   >> 478           Support VGA on an arbitrary hose; needed for several platforms
                                                   >> 479           which always have multiple hoses, and whose consoles support it.
                                                   >> 480 
                                                   >> 481 
                                                   >> 482 config ALPHA_QEMU
                                                   >> 483         bool "Run under QEMU emulation"
                                                   >> 484         depends on !ALPHA_GENERIC
                                                   >> 485         help
                                                   >> 486           Assume the presence of special features supported by QEMU PALcode
                                                   >> 487           that reduce the overhead of system emulation.
                                                   >> 488 
                                                   >> 489           Generic kernels will auto-detect QEMU.  But when building a
                                                   >> 490           system-specific kernel, the assumption is that we want to
                                                   >> 491           eliminate as many runtime tests as possible.
                                                   >> 492 
                                                   >> 493           If unsure, say N.
                                                   >> 494 
                                                   >> 495 
                                                   >> 496 config ALPHA_SRM
                                                   >> 497         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
                                                   >> 498         depends on TTY
                                                   >> 499         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
                                                   >> 500         help
                                                   >> 501           There are two different types of booting firmware on Alphas: SRM,
                                                   >> 502           which is command line driven, and ARC, which uses menus and arrow
                                                   >> 503           keys. Details about the Linux/Alpha booting process are contained in
                                                   >> 504           the Linux/Alpha FAQ, accessible on the WWW from
                                                   >> 505           <http://www.alphalinux.org/>.
                                                   >> 506 
                                                   >> 507           The usual way to load Linux on an Alpha machine is to use MILO
                                                   >> 508           (a bootloader that lets you pass command line parameters to the
                                                   >> 509           kernel just like lilo does for the x86 architecture) which can be
                                                   >> 510           loaded either from ARC or can be installed directly as a permanent
                                                   >> 511           firmware replacement from floppy (which requires changing a certain
                                                   >> 512           jumper on the motherboard). If you want to do either of these, say N
                                                   >> 513           here. If MILO doesn't work on your system (true for Jensen
                                                   >> 514           motherboards), you can bypass it altogether and boot Linux directly
                                                   >> 515           from an SRM console; say Y here in order to do that. Note that you
                                                   >> 516           won't be able to boot from an IDE disk using SRM.
                                                   >> 517 
                                                   >> 518           If unsure, say N.
                                                   >> 519 
                                                   >> 520 config ARCH_MAY_HAVE_PC_FDC
                                                   >> 521         def_bool y
306                                                   522 
307 config SMP                                        523 config SMP
308         bool "Symmetric multi-processing suppo    524         bool "Symmetric multi-processing support"
                                                   >> 525         depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
309         help                                      526         help
310           This enables support for systems wit    527           This enables support for systems with more than one CPU. If you have
311           a system with only one CPU, say N. I    528           a system with only one CPU, say N. If you have a system with more
312           than one CPU, say Y.                    529           than one CPU, say Y.
313                                                   530 
314           If you say N here, the kernel will r    531           If you say N here, the kernel will run on uni- and multiprocessor
315           machines, but will use only one CPU  !! 532           machines, but will use only one CPU of a multiprocessor machine. If
316           On a uniprocessor machine, the kerne !! 533           you say Y here, the kernel will run on many, but not all,
                                                   >> 534           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 535           will run faster if you say N here.
317                                                   536 
318           See also <file:Documentation/admin-g !! 537           See also the SMP-HOWTO available at
319           available at <https://www.tldp.org/d !! 538           <http://www.tldp.org/docs.html#howto>.
320                                                   539 
321           If you don't know what to do here, s    540           If you don't know what to do here, say N.
322                                                   541 
323 config SCHED_MC                                !! 542 config NR_CPUS
324         bool "Multi-core scheduler support"    !! 543         int "Maximum number of CPUs (2-32)"
325         depends on GENERIC_ARCH_TOPOLOGY && PA !! 544         range 2 32
                                                   >> 545         depends on SMP
                                                   >> 546         default "32" if ALPHA_GENERIC || ALPHA_MARVEL
                                                   >> 547         default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
326         help                                      548         help
327           Multi-core scheduler support improve !! 549           MARVEL support can handle a maximum of 32 CPUs, all the others
328           making when dealing with multi-core  !! 550           with working support have a maximum of 4 CPUs.
329           increased overhead in some places. I << 
330                                                   551 
331 config IRQSTACKS                               !! 552 config ARCH_DISCONTIGMEM_ENABLE
332         bool "Use separate kernel stacks when  !! 553         bool "Discontiguous Memory Support"
333         default y                              !! 554         depends on BROKEN
334         help                                      555         help
335           If you say Y here the kernel will us !! 556           Say Y to support efficient handling of discontiguous physical memory,
336           for handling hard and soft interrupt !! 557           for architectures which are either NUMA (Non-Uniform Memory Access)
337           overflowing the process kernel stack !! 558           or have huge holes in the physical address space for other reasons.
                                                   >> 559           See <file:Documentation/vm/numa.rst> for more.
338                                                   560 
339 config HOTPLUG_CPU                             !! 561 config ARCH_SPARSEMEM_ENABLE
340         bool                                   !! 562         bool "Sparse Memory Support"
                                                   >> 563         help
                                                   >> 564           Say Y to support efficient handling of discontiguous physical memory,
                                                   >> 565           for systems that have huge holes in the physical address space.
                                                   >> 566 
                                                   >> 567 config NUMA
                                                   >> 568         bool "NUMA Support (EXPERIMENTAL)"
                                                   >> 569         depends on DISCONTIGMEM && BROKEN
                                                   >> 570         help
                                                   >> 571           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
                                                   >> 572           Access).  This option is for configuring high-end multiprocessor
                                                   >> 573           server machines.  If in doubt, say N.
                                                   >> 574 
                                                   >> 575 config ALPHA_WTINT
                                                   >> 576         bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
                                                   >> 577         default y if ALPHA_QEMU
                                                   >> 578         default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
                                                   >> 579         default n if !ALPHA_SRM && !ALPHA_GENERIC
341         default y if SMP                          580         default y if SMP
                                                   >> 581         help
                                                   >> 582           The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
                                                   >> 583           to sleep until the next interrupt.  This may reduce the power
                                                   >> 584           consumed, and the heat produced by the computer.  However, it has
                                                   >> 585           the side effect of making the cycle counter unreliable as a timing
                                                   >> 586           device across the sleep.
342                                                   587 
343 config ARCH_SELECT_MEMORY_MODEL                !! 588           For emulation under QEMU, definitely say Y here, as we have other
344         def_bool y                             !! 589           mechanisms for measuring time than the cycle counter.
345         depends on 64BIT                       << 
346                                                   590 
347 config ARCH_SPARSEMEM_ENABLE                   !! 591           For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
348         def_bool y                             !! 592           MILO, sleep mode is not supported so you might as well say N here.
349         depends on 64BIT                       << 
350                                                   593 
351 config ARCH_FLATMEM_ENABLE                     !! 594           For SMP systems we cannot use the cycle counter for timing anyway,
352         def_bool y                             !! 595           so you might as well say Y here.
353                                                   596 
354 config ARCH_SPARSEMEM_DEFAULT                  !! 597           If unsure, say N.
355         def_bool y                             << 
356         depends on ARCH_SPARSEMEM_ENABLE       << 
357                                                   598 
358 source "kernel/Kconfig.hz"                     !! 599 config NODES_SHIFT
                                                   >> 600         int
                                                   >> 601         default "7"
                                                   >> 602         depends on NEED_MULTIPLE_NODES
359                                                   603 
360 config COMPAT                                  !! 604 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
361         def_bool y                             !! 605 config ALPHA_LARGE_VMALLOC
362         depends on 64BIT                       !! 606         bool
                                                   >> 607         help
                                                   >> 608           Process creation and other aspects of virtual memory management can
                                                   >> 609           be streamlined if we restrict the kernel to one PGD for all vmalloc
                                                   >> 610           allocations.  This equates to about 8GB.
363                                                   611 
364 config AUDIT_ARCH                              !! 612           Under normal circumstances, this is so far and above what is needed
365         def_bool y                             !! 613           as to be laughable.  However, there are certain applications (such
                                                   >> 614           as benchmark-grade in-kernel web serving) that can make use of as
                                                   >> 615           much vmalloc space as is available.
366                                                   616 
367 config NR_CPUS                                 !! 617           Say N unless you know you need gobs and gobs of vmalloc space.
368         int "Maximum number of CPUs (2-32)"    << 
369         range 2 32                             << 
370         depends on SMP                         << 
371         default "8" if 64BIT                   << 
372         default "16"                           << 
373                                                   618 
374 endmenu                                        !! 619 config VERBOSE_MCHECK
                                                   >> 620         bool "Verbose Machine Checks"
375                                                   621 
376 config ARCH_SUPPORTS_KEXEC                     !! 622 config VERBOSE_MCHECK_ON
377         def_bool y                             !! 623         int "Verbose Printing Mode (0=off, 1=on, 2=all)"
                                                   >> 624         depends on VERBOSE_MCHECK
                                                   >> 625         default 1
                                                   >> 626         help
                                                   >> 627           This option allows the default printing mode to be set, and then
                                                   >> 628           possibly overridden by a boot command argument.
378                                                   629 
379 config ARCH_SUPPORTS_KEXEC_FILE                !! 630           For example, if one wanted the option of printing verbose
380         def_bool y                             !! 631           machine checks, but wanted the default to be as if verbose
                                                   >> 632           machine check printing was turned off, then one would choose
                                                   >> 633           the printing mode to be 0. Then, upon reboot, one could add
                                                   >> 634           the boot command line "verbose_mcheck=1" to get the normal
                                                   >> 635           verbose machine check printing, or "verbose_mcheck=2" to get
                                                   >> 636           the maximum information available.
381                                                   637 
382 config ARCH_SELECTS_KEXEC_FILE                 !! 638           Take the default (1) unless you want more control or more info.
383         def_bool y                             << 
384         depends on KEXEC_FILE                  << 
385         select KEXEC_ELF                       << 
386                                                   639 
387 source "drivers/parisc/Kconfig"                !! 640 choice
                                                   >> 641         prompt "Timer interrupt frequency (HZ)?"
                                                   >> 642         default HZ_128 if ALPHA_QEMU
                                                   >> 643         default HZ_1200 if ALPHA_RAWHIDE
                                                   >> 644         default HZ_1024
                                                   >> 645         help
                                                   >> 646           The frequency at which timer interrupts occur.  A high frequency
                                                   >> 647           minimizes latency, whereas a low frequency minimizes overhead of
                                                   >> 648           process accounting.  The later effect is especially significant
                                                   >> 649           when being run under QEMU.
                                                   >> 650 
                                                   >> 651           Note that some Alpha hardware cannot change the interrupt frequency
                                                   >> 652           of the timer.  If unsure, say 1024 (or 1200 for Rawhide).
                                                   >> 653 
                                                   >> 654         config HZ_32
                                                   >> 655                 bool "32 Hz"
                                                   >> 656         config HZ_64
                                                   >> 657                 bool "64 Hz"
                                                   >> 658         config HZ_128
                                                   >> 659                 bool "128 Hz"
                                                   >> 660         config HZ_256
                                                   >> 661                 bool "256 Hz"
                                                   >> 662         config HZ_1024
                                                   >> 663                 bool "1024 Hz"
                                                   >> 664         config HZ_1200
                                                   >> 665                 bool "1200 Hz"
                                                   >> 666 endchoice
                                                   >> 667 
                                                   >> 668 config HZ
                                                   >> 669         int
                                                   >> 670         default 32 if HZ_32
                                                   >> 671         default 64 if HZ_64
                                                   >> 672         default 128 if HZ_128
                                                   >> 673         default 256 if HZ_256
                                                   >> 674         default 1200 if HZ_1200
                                                   >> 675         default 1024
                                                   >> 676 
                                                   >> 677 config SRM_ENV
                                                   >> 678         tristate "SRM environment through procfs"
                                                   >> 679         depends on PROC_FS
                                                   >> 680         help
                                                   >> 681           If you enable this option, a subdirectory inside /proc called
                                                   >> 682           /proc/srm_environment will give you access to the all important
                                                   >> 683           SRM environment variables (those which have a name) and also
                                                   >> 684           to all others (by their internal number).
                                                   >> 685 
                                                   >> 686           SRM is something like a BIOS for Alpha machines. There are some
                                                   >> 687           other such BIOSes, like AlphaBIOS, which this driver cannot
                                                   >> 688           support (hey, that's not SRM!).
                                                   >> 689 
                                                   >> 690           Despite the fact that this driver doesn't work on all Alphas (but
                                                   >> 691           only on those which have SRM as their firmware), it's save to
                                                   >> 692           build it even if your particular machine doesn't know about SRM
                                                   >> 693           (or if you intend to compile a generic kernel). It will simply
                                                   >> 694           not create those subdirectory in /proc (and give you some warning,
                                                   >> 695           of course).
                                                   >> 696 
                                                   >> 697           This driver is also available as a module and will be called
                                                   >> 698           srm_env then.
                                                   >> 699 
                                                   >> 700 endmenu
                                                   >> 701 
                                                   >> 702 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
                                                   >> 703 # but we also need it if VGA_HOSE is set
                                                   >> 704 config DUMMY_CONSOLE
                                                   >> 705         bool
                                                   >> 706         depends on VGA_HOSE
                                                   >> 707         default y
                                                      

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