Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | config MMU |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 2 | def_bool y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
Christoph Lameter | 66701b1 | 2007-02-10 01:43:09 -0800 | [diff] [blame] | 4 | config ZONE_DMA |
Heiko Carstens | 69dbb2f | 2011-05-26 09:48:31 +0200 | [diff] [blame] | 5 | def_bool y |
Christoph Lameter | 66701b1 | 2007-02-10 01:43:09 -0800 | [diff] [blame] | 6 | |
Ingo Molnar | 2b105ff | 2006-07-03 00:25:02 -0700 | [diff] [blame] | 7 | config LOCKDEP_SUPPORT |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 8 | def_bool y |
Ingo Molnar | 2b105ff | 2006-07-03 00:25:02 -0700 | [diff] [blame] | 9 | |
Heiko Carstens | 5bdc9b4 | 2006-07-03 00:24:41 -0700 | [diff] [blame] | 10 | config STACKTRACE_SUPPORT |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 11 | def_bool y |
Heiko Carstens | 5bdc9b4 | 2006-07-03 00:24:41 -0700 | [diff] [blame] | 12 | |
Heiko Carstens | a3afe70 | 2008-02-05 16:50:45 +0100 | [diff] [blame] | 13 | config HAVE_LATENCYTOP_SUPPORT |
| 14 | def_bool y |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | config RWSEM_GENERIC_SPINLOCK |
| 17 | bool |
| 18 | |
| 19 | config RWSEM_XCHGADD_ALGORITHM |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 20 | def_bool y |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 22 | config ARCH_HAS_ILOG2_U32 |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 23 | def_bool n |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 24 | |
| 25 | config ARCH_HAS_ILOG2_U64 |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 26 | def_bool n |
David Howells | f0d1b0b | 2006-12-08 02:37:49 -0800 | [diff] [blame] | 27 | |
Akinobu Mita | 7e33db4 | 2006-03-26 01:39:34 -0800 | [diff] [blame] | 28 | config GENERIC_HWEIGHT |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 29 | def_bool y |
Akinobu Mita | 7e33db4 | 2006-03-26 01:39:34 -0800 | [diff] [blame] | 30 | |
Heiko Carstens | c0007f1 | 2007-04-27 16:01:42 +0200 | [diff] [blame] | 31 | config GENERIC_BUG |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 32 | def_bool y if BUG |
Heiko Carstens | c0007f1 | 2007-04-27 16:01:42 +0200 | [diff] [blame] | 33 | |
Heiko Carstens | 52499f4 | 2010-02-26 22:37:44 +0100 | [diff] [blame] | 34 | config GENERIC_BUG_RELATIVE_POINTERS |
| 35 | def_bool y |
| 36 | |
FUJITA Tomonori | eca577e | 2010-10-25 16:10:50 +0200 | [diff] [blame] | 37 | config ARCH_DMA_ADDR_T_64BIT |
| 38 | def_bool 64BIT |
| 39 | |
Martin Schwidefsky | b6b40c5 | 2008-02-05 16:50:42 +0100 | [diff] [blame] | 40 | config GENERIC_LOCKBREAK |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 41 | def_bool y if SMP && PREEMPT |
Martin Schwidefsky | b6b40c5 | 2008-02-05 16:50:42 +0100 | [diff] [blame] | 42 | |
Carsten Otte | 402b086 | 2008-03-25 18:47:10 +0100 | [diff] [blame] | 43 | config PGSTE |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 44 | def_bool y if KVM |
Carsten Otte | 402b086 | 2008-03-25 18:47:10 +0100 | [diff] [blame] | 45 | |
Akinobu Mita | 6a11f75 | 2009-03-31 15:23:17 -0700 | [diff] [blame] | 46 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC |
| 47 | def_bool y |
| 48 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 49 | config KEXEC |
| 50 | def_bool y |
| 51 | |
| 52 | config AUDIT_ARCH |
| 53 | def_bool y |
| 54 | |
Uwe Kleine-König | ce816fa | 2014-04-07 15:39:19 -0700 | [diff] [blame] | 55 | config NO_IOPORT_MAP |
Jan Glauber | c8717a3 | 2012-11-29 14:38:46 +0100 | [diff] [blame] | 56 | def_bool y |
| 57 | |
| 58 | config PCI_QUIRKS |
| 59 | def_bool n |
| 60 | |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 61 | config S390 |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 62 | def_bool y |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 63 | select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE |
Heiko Carstens | 93bead4 | 2013-09-06 10:03:30 +0200 | [diff] [blame] | 64 | select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 65 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
Thomas Gleixner | 6beb000 | 2009-11-09 15:21:34 +0000 | [diff] [blame] | 66 | select ARCH_INLINE_READ_LOCK |
| 67 | select ARCH_INLINE_READ_LOCK_BH |
| 68 | select ARCH_INLINE_READ_LOCK_IRQ |
| 69 | select ARCH_INLINE_READ_LOCK_IRQSAVE |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 70 | select ARCH_INLINE_READ_TRYLOCK |
Thomas Gleixner | 6beb000 | 2009-11-09 15:21:34 +0000 | [diff] [blame] | 71 | select ARCH_INLINE_READ_UNLOCK |
| 72 | select ARCH_INLINE_READ_UNLOCK_BH |
| 73 | select ARCH_INLINE_READ_UNLOCK_IRQ |
| 74 | select ARCH_INLINE_READ_UNLOCK_IRQRESTORE |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 75 | select ARCH_INLINE_SPIN_LOCK |
| 76 | select ARCH_INLINE_SPIN_LOCK_BH |
| 77 | select ARCH_INLINE_SPIN_LOCK_IRQ |
| 78 | select ARCH_INLINE_SPIN_LOCK_IRQSAVE |
| 79 | select ARCH_INLINE_SPIN_TRYLOCK |
| 80 | select ARCH_INLINE_SPIN_TRYLOCK_BH |
| 81 | select ARCH_INLINE_SPIN_UNLOCK |
| 82 | select ARCH_INLINE_SPIN_UNLOCK_BH |
| 83 | select ARCH_INLINE_SPIN_UNLOCK_IRQ |
| 84 | select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE |
Thomas Gleixner | 6beb000 | 2009-11-09 15:21:34 +0000 | [diff] [blame] | 85 | select ARCH_INLINE_WRITE_LOCK |
| 86 | select ARCH_INLINE_WRITE_LOCK_BH |
| 87 | select ARCH_INLINE_WRITE_LOCK_IRQ |
| 88 | select ARCH_INLINE_WRITE_LOCK_IRQSAVE |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 89 | select ARCH_INLINE_WRITE_TRYLOCK |
Thomas Gleixner | 6beb000 | 2009-11-09 15:21:34 +0000 | [diff] [blame] | 90 | select ARCH_INLINE_WRITE_UNLOCK |
| 91 | select ARCH_INLINE_WRITE_UNLOCK_BH |
| 92 | select ARCH_INLINE_WRITE_UNLOCK_IRQ |
| 93 | select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 94 | select ARCH_SAVE_PAGE_KEYS if HIBERNATION |
Heiko Carstens | efc1d23 | 2013-09-05 13:26:17 +0200 | [diff] [blame] | 95 | select ARCH_USE_CMPXCHG_LOCKREF |
Will Deacon | c1d7e01 | 2012-07-30 14:42:46 -0700 | [diff] [blame] | 96 | select ARCH_WANT_IPC_PARSE_VERSION |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 97 | select BUILDTIME_EXTABLE_SORT |
| 98 | select CLONE_BACKWARDS2 |
| 99 | select GENERIC_CLOCKEVENTS |
| 100 | select GENERIC_CPU_DEVICES if !SMP |
Heiko Carstens | 746479c | 2013-09-18 11:45:36 +0200 | [diff] [blame] | 101 | select GENERIC_FIND_FIRST_BIT |
Thomas Gleixner | e80e781 | 2012-04-20 13:05:52 +0000 | [diff] [blame] | 102 | select GENERIC_SMP_IDLE_THREAD |
Martin Schwidefsky | 79c74ec | 2013-11-22 10:04:53 +0100 | [diff] [blame] | 103 | select GENERIC_TIME_VSYSCALL |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 104 | select HAVE_ALIGNED_STRUCT_PAGE if SLUB |
AKASHI Takahiro | 7a01772 | 2014-02-25 18:16:24 +0900 | [diff] [blame] | 105 | select HAVE_ARCH_AUDITSYSCALL |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 106 | select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 |
Heiko Carstens | c63cb46 | 2012-07-31 15:37:13 +0200 | [diff] [blame] | 107 | select HAVE_ARCH_SECCOMP_FILTER |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 108 | select HAVE_ARCH_TRACEHOOK |
| 109 | select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT |
| 110 | select HAVE_BPF_JIT if 64BIT && PACK_STACK |
| 111 | select HAVE_CMPXCHG_DOUBLE |
| 112 | select HAVE_CMPXCHG_LOCAL |
| 113 | select HAVE_C_RECORDMCOUNT |
| 114 | select HAVE_DEBUG_KMEMLEAK |
| 115 | select HAVE_DYNAMIC_FTRACE |
| 116 | select HAVE_FTRACE_MCOUNT_RECORD |
| 117 | select HAVE_FUNCTION_GRAPH_TRACER |
| 118 | select HAVE_FUNCTION_TRACER |
| 119 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
Heiko Carstens | 03b8c7b | 2014-03-02 13:09:47 +0100 | [diff] [blame] | 120 | select HAVE_FUTEX_CMPXCHG if FUTEX |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 121 | select HAVE_KERNEL_BZIP2 |
| 122 | select HAVE_KERNEL_GZIP |
Heiko Carstens | 8e2872c | 2013-07-18 15:18:24 +0200 | [diff] [blame] | 123 | select HAVE_KERNEL_LZ4 |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 124 | select HAVE_KERNEL_LZMA |
| 125 | select HAVE_KERNEL_LZO |
| 126 | select HAVE_KERNEL_XZ |
| 127 | select HAVE_KPROBES |
| 128 | select HAVE_KRETPROBES |
| 129 | select HAVE_KVM if 64BIT |
| 130 | select HAVE_MEMBLOCK |
| 131 | select HAVE_MEMBLOCK_NODE_MAP |
Philipp Hachtmann | 50be634 | 2014-01-29 18:16:01 +0100 | [diff] [blame] | 132 | select HAVE_MEMBLOCK_PHYS_MAP |
David Howells | 786d35d | 2012-09-28 14:31:03 +0930 | [diff] [blame] | 133 | select HAVE_MOD_ARCH_SPECIFIC |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 134 | select HAVE_OPROFILE |
| 135 | select HAVE_PERF_EVENTS |
| 136 | select HAVE_REGS_AND_STACK_ACCESS_API |
| 137 | select HAVE_SYSCALL_TRACEPOINTS |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 138 | select HAVE_UID16 if 32BIT |
| 139 | select HAVE_VIRT_CPU_ACCOUNTING |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 140 | select KTIME_SCALAR if 32BIT |
David Howells | 786d35d | 2012-09-28 14:31:03 +0930 | [diff] [blame] | 141 | select MODULES_USE_ELF_RELA |
Philipp Hachtmann | 50be634 | 2014-01-29 18:16:01 +0100 | [diff] [blame] | 142 | select NO_BOOTMEM |
Al Viro | 7eddd99 | 2012-12-25 19:26:12 -0500 | [diff] [blame] | 143 | select OLD_SIGACTION |
Heiko Carstens | 93bead4 | 2013-09-06 10:03:30 +0200 | [diff] [blame] | 144 | select OLD_SIGSUSPEND3 |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 145 | select SYSCTL_EXCEPTION_TRACE |
Josh Triplett | 0563416 | 2014-02-26 18:13:06 -0800 | [diff] [blame] | 146 | select TTY |
Heiko Carstens | 0e0d04a | 2013-02-06 10:15:55 +0100 | [diff] [blame] | 147 | select VIRT_CPU_ACCOUNTING |
Heiko Carstens | 93bead4 | 2013-09-06 10:03:30 +0200 | [diff] [blame] | 148 | select VIRT_TO_BUS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
Martin Schwidefsky | fca3e35 | 2009-07-07 16:37:10 +0200 | [diff] [blame] | 150 | config SCHED_OMIT_FRAME_POINTER |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 151 | def_bool y |
Martin Schwidefsky | fca3e35 | 2009-07-07 16:37:10 +0200 | [diff] [blame] | 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | source "init/Kconfig" |
| 154 | |
Matt Helsley | dc52ddc | 2008-10-18 20:27:21 -0700 | [diff] [blame] | 155 | source "kernel/Kconfig.freezer" |
| 156 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 157 | menu "Processor type and features" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 159 | config HAVE_MARCH_Z900_FEATURES |
| 160 | def_bool n |
| 161 | |
| 162 | config HAVE_MARCH_Z990_FEATURES |
| 163 | def_bool n |
| 164 | select HAVE_MARCH_Z900_FEATURES |
| 165 | |
| 166 | config HAVE_MARCH_Z9_109_FEATURES |
| 167 | def_bool n |
| 168 | select HAVE_MARCH_Z990_FEATURES |
| 169 | |
| 170 | config HAVE_MARCH_Z10_FEATURES |
| 171 | def_bool n |
| 172 | select HAVE_MARCH_Z9_109_FEATURES |
| 173 | |
| 174 | config HAVE_MARCH_Z196_FEATURES |
| 175 | def_bool n |
| 176 | select HAVE_MARCH_Z10_FEATURES |
| 177 | |
Heiko Carstens | 991c1505 | 2012-11-13 10:26:37 +0200 | [diff] [blame] | 178 | config HAVE_MARCH_ZEC12_FEATURES |
| 179 | def_bool n |
| 180 | select HAVE_MARCH_Z196_FEATURES |
| 181 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 182 | choice |
| 183 | prompt "Processor type" |
| 184 | default MARCH_G5 |
| 185 | |
| 186 | config MARCH_G5 |
| 187 | bool "System/390 model G5 and G6" |
| 188 | depends on !64BIT |
| 189 | help |
| 190 | Select this to build a 31 bit kernel that works |
| 191 | on all ESA/390 and z/Architecture machines. |
| 192 | |
| 193 | config MARCH_Z900 |
| 194 | bool "IBM zSeries model z800 and z900" |
| 195 | select HAVE_MARCH_Z900_FEATURES if 64BIT |
| 196 | help |
| 197 | Select this to enable optimizations for model z800/z900 (2064 and |
| 198 | 2066 series). This will enable some optimizations that are not |
| 199 | available on older ESA/390 (31 Bit) only CPUs. |
| 200 | |
| 201 | config MARCH_Z990 |
| 202 | bool "IBM zSeries model z890 and z990" |
| 203 | select HAVE_MARCH_Z990_FEATURES if 64BIT |
| 204 | help |
| 205 | Select this to enable optimizations for model z890/z990 (2084 and |
| 206 | 2086 series). The kernel will be slightly faster but will not work |
| 207 | on older machines. |
| 208 | |
| 209 | config MARCH_Z9_109 |
| 210 | bool "IBM System z9" |
| 211 | select HAVE_MARCH_Z9_109_FEATURES if 64BIT |
| 212 | help |
| 213 | Select this to enable optimizations for IBM System z9 (2094 and |
| 214 | 2096 series). The kernel will be slightly faster but will not work |
| 215 | on older machines. |
| 216 | |
| 217 | config MARCH_Z10 |
| 218 | bool "IBM System z10" |
| 219 | select HAVE_MARCH_Z10_FEATURES if 64BIT |
| 220 | help |
| 221 | Select this to enable optimizations for IBM System z10 (2097 and |
| 222 | 2098 series). The kernel will be slightly faster but will not work |
| 223 | on older machines. |
| 224 | |
| 225 | config MARCH_Z196 |
| 226 | bool "IBM zEnterprise 114 and 196" |
| 227 | select HAVE_MARCH_Z196_FEATURES if 64BIT |
| 228 | help |
| 229 | Select this to enable optimizations for IBM zEnterprise 114 and 196 |
| 230 | (2818 and 2817 series). The kernel will be slightly faster but will |
| 231 | not work on older machines. |
| 232 | |
Heiko Carstens | 991c1505 | 2012-11-13 10:26:37 +0200 | [diff] [blame] | 233 | config MARCH_ZEC12 |
Heiko Carstens | 5947122 | 2013-07-24 10:35:33 +0200 | [diff] [blame] | 234 | bool "IBM zBC12 and zEC12" |
Heiko Carstens | 991c1505 | 2012-11-13 10:26:37 +0200 | [diff] [blame] | 235 | select HAVE_MARCH_ZEC12_FEATURES if 64BIT |
| 236 | help |
Heiko Carstens | 5947122 | 2013-07-24 10:35:33 +0200 | [diff] [blame] | 237 | Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and |
| 238 | 2827 series). The kernel will be slightly faster but will not work on |
| 239 | older machines. |
Heiko Carstens | 991c1505 | 2012-11-13 10:26:37 +0200 | [diff] [blame] | 240 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 241 | endchoice |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | |
Heiko Carstens | 1db9e05 | 2013-10-30 12:12:50 +0100 | [diff] [blame] | 243 | config MARCH_G5_TUNE |
| 244 | def_bool TUNE_G5 || MARCH_G5 && TUNE_DEFAULT |
| 245 | |
| 246 | config MARCH_Z900_TUNE |
| 247 | def_bool TUNE_Z900 || MARCH_Z900 && TUNE_DEFAULT |
| 248 | |
| 249 | config MARCH_Z990_TUNE |
| 250 | def_bool TUNE_Z990 || MARCH_Z990 && TUNE_DEFAULT |
| 251 | |
| 252 | config MARCH_Z9_109_TUNE |
| 253 | def_bool TUNE_Z9_109 || MARCH_Z9_109 && TUNE_DEFAULT |
| 254 | |
| 255 | config MARCH_Z10_TUNE |
| 256 | def_bool TUNE_Z10 || MARCH_Z10 && TUNE_DEFAULT |
| 257 | |
| 258 | config MARCH_Z196_TUNE |
| 259 | def_bool TUNE_Z196 || MARCH_Z196 && TUNE_DEFAULT |
| 260 | |
| 261 | config MARCH_ZEC12_TUNE |
| 262 | def_bool TUNE_ZEC12 || MARCH_ZEC12 && TUNE_DEFAULT |
| 263 | |
| 264 | choice |
| 265 | prompt "Tune code generation" |
| 266 | default TUNE_DEFAULT |
| 267 | help |
| 268 | Cause the compiler to tune (-mtune) the generated code for a machine. |
| 269 | This will make the code run faster on the selected machine but |
| 270 | somewhat slower on other machines. |
| 271 | This option only changes how the compiler emits instructions, not the |
| 272 | selection of instructions itself, so the resulting kernel will run on |
| 273 | all other machines. |
| 274 | |
| 275 | config TUNE_DEFAULT |
| 276 | bool "Default" |
| 277 | help |
| 278 | Tune the generated code for the target processor for which the kernel |
| 279 | will be compiled. |
| 280 | |
| 281 | config TUNE_G5 |
| 282 | bool "System/390 model G5 and G6" |
| 283 | |
| 284 | config TUNE_Z900 |
| 285 | bool "IBM zSeries model z800 and z900" |
| 286 | |
| 287 | config TUNE_Z990 |
| 288 | bool "IBM zSeries model z890 and z990" |
| 289 | |
| 290 | config TUNE_Z9_109 |
| 291 | bool "IBM System z9" |
| 292 | |
| 293 | config TUNE_Z10 |
| 294 | bool "IBM System z10" |
| 295 | |
| 296 | config TUNE_Z196 |
| 297 | bool "IBM zEnterprise 114 and 196" |
| 298 | |
| 299 | config TUNE_ZEC12 |
| 300 | bool "IBM zBC12 and zEC12" |
| 301 | |
| 302 | endchoice |
| 303 | |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 304 | config 64BIT |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 305 | def_bool y |
| 306 | prompt "64 bit kernel" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | help |
Heiko Carstens | db81a23 | 2010-10-29 16:50:36 +0200 | [diff] [blame] | 308 | Select this option if you have an IBM z/Architecture machine |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | and want to use the 64 bit addressing mode. |
| 310 | |
Martin Schwidefsky | d9f7a74 | 2006-09-28 16:55:39 +0200 | [diff] [blame] | 311 | config 32BIT |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 312 | def_bool y if !64BIT |
Martin Schwidefsky | d9f7a74 | 2006-09-28 16:55:39 +0200 | [diff] [blame] | 313 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 314 | config COMPAT |
| 315 | def_bool y |
| 316 | prompt "Kernel support for 31 bit emulation" |
| 317 | depends on 64BIT |
| 318 | select COMPAT_BINFMT_ELF if BINFMT_ELF |
| 319 | select ARCH_WANT_OLD_COMPAT_IPC |
Al Viro | 7eddd99 | 2012-12-25 19:26:12 -0500 | [diff] [blame] | 320 | select COMPAT_OLD_SIGACTION |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 321 | help |
| 322 | Select this option if you want to enable your system kernel to |
| 323 | handle system-calls from ELF binaries for 31 bit ESA. This option |
| 324 | (and some other stuff like libraries and such) is needed for |
| 325 | executing 31 bit applications. It is safe to say "Y". |
| 326 | |
| 327 | config SYSVIPC_COMPAT |
| 328 | def_bool y if COMPAT && SYSVIPC |
| 329 | |
| 330 | config KEYS_COMPAT |
| 331 | def_bool y if COMPAT && KEYS |
| 332 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | config SMP |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 334 | def_bool y |
| 335 | prompt "Symmetric multi-processing support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | ---help--- |
| 337 | This enables support for systems with more than one CPU. If you have |
| 338 | a system with only one CPU, like most personal computers, say N. If |
| 339 | you have a system with more than one CPU, say Y. |
| 340 | |
Robert Graffham | 4a47415 | 2014-01-23 15:55:29 -0800 | [diff] [blame] | 341 | If you say N here, the kernel will run on uni- and multiprocessor |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | machines, but will use only one CPU of a multiprocessor machine. If |
| 343 | you say Y here, the kernel will run on many, but not all, |
Robert Graffham | 4a47415 | 2014-01-23 15:55:29 -0800 | [diff] [blame] | 344 | uniprocessor machines. On a uniprocessor machine, the kernel |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | will run faster if you say N here. |
| 346 | |
Adrian Bunk | 03502fa | 2008-02-03 15:50:21 +0200 | [diff] [blame] | 347 | See also the SMP-HOWTO available at |
| 348 | <http://www.tldp.org/docs.html#howto>. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | |
| 350 | Even if you don't know what to do here, say Y. |
| 351 | |
| 352 | config NR_CPUS |
Xose Vazquez Perez | 8cb04be | 2013-11-29 16:33:02 +0100 | [diff] [blame] | 353 | int "Maximum number of CPUs (2-256)" |
| 354 | range 2 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | depends on SMP |
Heiko Carstens | 057c5cb | 2008-02-19 15:29:25 +0100 | [diff] [blame] | 356 | default "32" if !64BIT |
| 357 | default "64" if 64BIT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | help |
| 359 | This allows you to specify the maximum number of CPUs which this |
Xose Vazquez Perez | 8cb04be | 2013-11-29 16:33:02 +0100 | [diff] [blame] | 360 | kernel will support. The maximum supported value is 256 and the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | minimum value which makes sense is 2. |
| 362 | |
| 363 | This is purely to save memory - each supported CPU adds |
| 364 | approximately sixteen kilobytes to the kernel image. |
| 365 | |
| 366 | config HOTPLUG_CPU |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 367 | def_bool y |
| 368 | prompt "Support for hot-pluggable CPUs" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | depends on SMP |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | help |
| 371 | Say Y here to be able to turn CPUs off and on. CPUs |
| 372 | can be controlled through /sys/devices/system/cpu/cpu#. |
| 373 | Say N if you want to disable CPU hotplug. |
| 374 | |
Heiko Carstens | 8d11e02 | 2010-10-29 16:50:37 +0200 | [diff] [blame] | 375 | config SCHED_MC |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 376 | def_bool n |
Heiko Carstens | 8d11e02 | 2010-10-29 16:50:37 +0200 | [diff] [blame] | 377 | |
Heiko Carstens | 4cb14bc | 2010-08-31 10:28:18 +0200 | [diff] [blame] | 378 | config SCHED_BOOK |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 379 | def_bool y |
| 380 | prompt "Book scheduler support" |
Heiko Carstens | 83a24e3 | 2011-12-27 11:27:09 +0100 | [diff] [blame] | 381 | depends on SMP |
| 382 | select SCHED_MC |
Heiko Carstens | 4cb14bc | 2010-08-31 10:28:18 +0200 | [diff] [blame] | 383 | help |
| 384 | Book scheduler support improves the CPU scheduler's decision making |
| 385 | when dealing with machines that have several books. |
| 386 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 387 | source kernel/Kconfig.preempt |
| 388 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | config MATHEMU |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 390 | def_bool y |
| 391 | prompt "IEEE FPU emulation" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | depends on MARCH_G5 |
| 393 | help |
| 394 | This option is required for IEEE compliant floating point arithmetic |
Heiko Carstens | db81a23 | 2010-10-29 16:50:36 +0200 | [diff] [blame] | 395 | on older ESA/390 machines. Say Y unless you know your machine doesn't |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | need this. |
| 397 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 398 | source kernel/Kconfig.hz |
| 399 | |
| 400 | endmenu |
| 401 | |
| 402 | menu "Memory setup" |
| 403 | |
| 404 | config ARCH_SPARSEMEM_ENABLE |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 405 | def_bool y |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 406 | select SPARSEMEM_VMEMMAP_ENABLE |
| 407 | select SPARSEMEM_VMEMMAP |
| 408 | select SPARSEMEM_STATIC if !64BIT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 410 | config ARCH_SPARSEMEM_DEFAULT |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 411 | def_bool y |
Al Viro | e65e1fc | 2006-09-12 03:04:40 -0400 | [diff] [blame] | 412 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 413 | config ARCH_SELECT_MEMORY_MODEL |
| 414 | def_bool y |
Heiko Carstens | 0544516 | 2012-05-14 10:12:41 +0200 | [diff] [blame] | 415 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 416 | config ARCH_ENABLE_MEMORY_HOTPLUG |
| 417 | def_bool y if SPARSEMEM |
Heiko Carstens | 0544516 | 2012-05-14 10:12:41 +0200 | [diff] [blame] | 418 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 419 | config ARCH_ENABLE_MEMORY_HOTREMOVE |
| 420 | def_bool y |
Heiko Carstens | 0544516 | 2012-05-14 10:12:41 +0200 | [diff] [blame] | 421 | |
Martin Schwidefsky | ec66ad6 | 2014-02-12 14:16:18 +0100 | [diff] [blame] | 422 | config ARCH_ENABLE_SPLIT_PMD_PTLOCK |
| 423 | def_bool y |
| 424 | depends on 64BIT |
| 425 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 426 | config FORCE_MAX_ZONEORDER |
| 427 | int |
| 428 | default "9" |
Heiko Carstens | 0544516 | 2012-05-14 10:12:41 +0200 | [diff] [blame] | 429 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 430 | source "mm/Kconfig" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | |
| 432 | config PACK_STACK |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 433 | def_bool y |
| 434 | prompt "Pack kernel stack" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | help |
| 436 | This option enables the compiler option -mkernel-backchain if it |
| 437 | is available. If the option is available the compiler supports |
| 438 | the new stack layout which dramatically reduces the minimum stack |
| 439 | frame size. With an old compiler a non-leaf function needs a |
| 440 | minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With |
| 441 | -mkernel-backchain the minimum size drops to 16 byte on 31 bit |
| 442 | and 24 byte on 64 bit. |
| 443 | |
| 444 | Say Y if you are unsure. |
| 445 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | config CHECK_STACK |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 447 | def_bool y |
| 448 | prompt "Detect kernel stack overflow" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | help |
| 450 | This option enables the compiler option -mstack-guard and |
| 451 | -mstack-size if they are available. If the compiler supports them |
| 452 | it will emit additional code to each function prolog to trigger |
| 453 | an illegal operation if the kernel stack is about to overflow. |
| 454 | |
| 455 | Say N if you are unsure. |
| 456 | |
| 457 | config STACK_GUARD |
| 458 | int "Size of the guard area (128-1024)" |
| 459 | range 128 1024 |
| 460 | depends on CHECK_STACK |
| 461 | default "256" |
| 462 | help |
| 463 | This allows you to specify the size of the guard area at the lower |
| 464 | end of the kernel stack. If the kernel stack points into the guard |
| 465 | area on function entry an illegal operation is triggered. The size |
| 466 | needs to be a power of 2. Please keep in mind that the size of an |
| 467 | interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. |
| 468 | The minimum size for the stack guard should be 256 for 31 bit and |
| 469 | 512 for 64 bit. |
| 470 | |
Jan Glauber | 2c190da | 2011-03-15 17:08:19 +0100 | [diff] [blame] | 471 | config WARN_DYNAMIC_STACK |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 472 | def_bool n |
Jan Glauber | 2c190da | 2011-03-15 17:08:19 +0100 | [diff] [blame] | 473 | prompt "Emit compiler warnings for function with dynamic stack usage" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | help |
Jan Glauber | 2c190da | 2011-03-15 17:08:19 +0100 | [diff] [blame] | 475 | This option enables the compiler option -mwarn-dynamicstack. If the |
| 476 | compiler supports this options generates warnings for functions |
| 477 | that dynamically allocate stack space using alloca. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | |
| 479 | Say N if you are unsure. |
| 480 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 481 | endmenu |
Martin Schwidefsky | 61d48c2 | 2007-05-10 15:46:00 +0200 | [diff] [blame] | 482 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 483 | menu "I/O subsystem" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | config QDIO |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 486 | def_tristate y |
| 487 | prompt "QDIO support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | ---help--- |
Frank Pavlic | 8129ee16 | 2006-01-06 00:19:20 -0800 | [diff] [blame] | 489 | This driver provides the Queued Direct I/O base support for |
Ursula Braun | efca13b | 2008-04-17 07:46:19 +0200 | [diff] [blame] | 490 | IBM System z. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | |
| 492 | To compile this driver as a module, choose M here: the |
| 493 | module will be called qdio. |
| 494 | |
| 495 | If unsure, say Y. |
| 496 | |
Jan Glauber | c8717a3 | 2012-11-29 14:38:46 +0100 | [diff] [blame] | 497 | menuconfig PCI |
| 498 | bool "PCI support" |
| 499 | default n |
| 500 | depends on 64BIT |
Jan Glauber | c8717a3 | 2012-11-29 14:38:46 +0100 | [diff] [blame] | 501 | select PCI_MSI |
| 502 | help |
| 503 | Enable PCI support. |
| 504 | |
| 505 | if PCI |
| 506 | |
| 507 | config PCI_NR_FUNCTIONS |
| 508 | int "Maximum number of PCI functions (1-4096)" |
| 509 | range 1 4096 |
| 510 | default "64" |
| 511 | help |
| 512 | This allows you to specify the maximum number of PCI functions which |
| 513 | this kernel will support. |
| 514 | |
Martin Schwidefsky | 1f44a225 | 2013-06-27 09:01:09 +0200 | [diff] [blame] | 515 | config PCI_NR_MSI |
| 516 | int "Maximum number of MSI interrupts (64-32768)" |
| 517 | range 64 32768 |
| 518 | default "256" |
| 519 | help |
| 520 | This defines the number of virtual interrupts the kernel will |
| 521 | provide for MSI interrupts. If you configure your system to have |
| 522 | too few drivers will fail to allocate MSI interrupts for all |
| 523 | PCI devices. |
| 524 | |
Jan Glauber | c8717a3 | 2012-11-29 14:38:46 +0100 | [diff] [blame] | 525 | source "drivers/pci/Kconfig" |
| 526 | source "drivers/pci/pcie/Kconfig" |
| 527 | source "drivers/pci/hotplug/Kconfig" |
| 528 | |
| 529 | endif # PCI |
| 530 | |
| 531 | config PCI_DOMAINS |
| 532 | def_bool PCI |
| 533 | |
| 534 | config HAS_IOMEM |
| 535 | def_bool PCI |
| 536 | |
| 537 | config IOMMU_HELPER |
| 538 | def_bool PCI |
| 539 | |
| 540 | config HAS_DMA |
| 541 | def_bool PCI |
| 542 | select HAVE_DMA_API_DEBUG |
| 543 | |
| 544 | config NEED_SG_DMA_LENGTH |
| 545 | def_bool PCI |
| 546 | |
| 547 | config HAVE_DMA_ATTRS |
| 548 | def_bool PCI |
| 549 | |
Jan Glauber | 9163003 | 2012-12-05 15:06:01 +0100 | [diff] [blame] | 550 | config NEED_DMA_MAP_STATE |
| 551 | def_bool PCI |
| 552 | |
Cornelia Huck | 9d92a7e | 2008-07-14 09:59:05 +0200 | [diff] [blame] | 553 | config CHSC_SCH |
Sebastian Ott | d9c11b1 | 2011-01-31 11:30:09 +0100 | [diff] [blame] | 554 | def_tristate m |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 555 | prompt "Support for CHSC subchannels" |
Cornelia Huck | 9d92a7e | 2008-07-14 09:59:05 +0200 | [diff] [blame] | 556 | help |
| 557 | This driver allows usage of CHSC subchannels. A CHSC subchannel |
| 558 | is usually present on LPAR only. |
| 559 | The driver creates a device /dev/chsc, which may be used to |
| 560 | obtain I/O configuration information about the machine and |
| 561 | to issue asynchronous chsc commands (DANGEROUS). |
| 562 | You will usually only want to use this interface on a special |
| 563 | LPAR designated for system management. |
| 564 | |
| 565 | To compile this driver as a module, choose M here: the |
| 566 | module will be called chsc_sch. |
| 567 | |
| 568 | If unsure, say N. |
| 569 | |
Sebastian Ott | 1d1c8f7 | 2012-08-28 16:46:26 +0200 | [diff] [blame] | 570 | config SCM_BUS |
| 571 | def_bool y |
| 572 | depends on 64BIT |
| 573 | prompt "SCM bus driver" |
| 574 | help |
| 575 | Bus driver for Storage Class Memory. |
| 576 | |
Sebastian Ott | eadb86a | 2012-08-28 16:48:16 +0200 | [diff] [blame] | 577 | config EADM_SCH |
| 578 | def_tristate m |
| 579 | prompt "Support for EADM subchannels" |
| 580 | depends on SCM_BUS |
| 581 | help |
| 582 | This driver allows usage of EADM subchannels. EADM subchannels act |
| 583 | as a communication vehicle for SCM increments. |
| 584 | |
| 585 | To compile this driver as a module, choose M here: the |
| 586 | module will be called eadm_sch. |
| 587 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 588 | endmenu |
| 589 | |
| 590 | menu "Dump support" |
| 591 | |
| 592 | config CRASH_DUMP |
| 593 | bool "kernel crash dumps" |
| 594 | depends on 64BIT && SMP |
| 595 | select KEXEC |
| 596 | help |
| 597 | Generate crash dump after being started by kexec. |
| 598 | Crash dump kernels are loaded in the main kernel with kexec-tools |
| 599 | into a specially reserved region and then later executed after |
| 600 | a crash by kdump/kexec. |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 601 | Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. |
Michael Holzheu | bf28a59 | 2014-04-14 10:38:05 +0200 | [diff] [blame] | 602 | This option also enables s390 zfcpdump. |
| 603 | See also <file:Documentation/s390/zfcpdump.txt> |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 604 | |
| 605 | endmenu |
| 606 | |
| 607 | menu "Executable file formats / Emulations" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | source "fs/Kconfig.binfmt" |
| 610 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 611 | config SECCOMP |
| 612 | def_bool y |
| 613 | prompt "Enable seccomp to safely compute untrusted bytecode" |
| 614 | depends on PROC_FS |
| 615 | help |
| 616 | This kernel feature is useful for number crunching applications |
| 617 | that may need to compute untrusted bytecode during their |
| 618 | execution. By using pipes or other transports made available to |
| 619 | the process as file descriptors supporting the read/write |
| 620 | syscalls, it's possible to isolate those applications in |
| 621 | their own address space using seccomp. Once seccomp is |
| 622 | enabled via /proc/<pid>/seccomp, it cannot be disabled |
| 623 | and the task is only allowed to execute a few safe syscalls |
| 624 | defined by each seccomp mode. |
| 625 | |
| 626 | If unsure, say Y. |
| 627 | |
| 628 | endmenu |
| 629 | |
| 630 | menu "Power Management" |
| 631 | |
| 632 | config ARCH_HIBERNATION_POSSIBLE |
| 633 | def_bool y if 64BIT |
| 634 | |
| 635 | source "kernel/power/Kconfig" |
| 636 | |
| 637 | endmenu |
| 638 | |
| 639 | source "net/Kconfig" |
| 640 | |
| 641 | config PCMCIA |
| 642 | def_bool n |
| 643 | |
| 644 | config CCW |
| 645 | def_bool y |
| 646 | |
| 647 | source "drivers/Kconfig" |
| 648 | |
| 649 | source "fs/Kconfig" |
| 650 | |
| 651 | source "arch/s390/Kconfig.debug" |
| 652 | |
| 653 | source "security/Kconfig" |
| 654 | |
| 655 | source "crypto/Kconfig" |
| 656 | |
| 657 | source "lib/Kconfig" |
| 658 | |
| 659 | menu "Virtualization" |
Heiko Carstens | 684de39 | 2008-03-05 12:37:14 +0100 | [diff] [blame] | 660 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | config PFAULT |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 662 | def_bool y |
| 663 | prompt "Pseudo page fault support" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | help |
| 665 | Select this option, if you want to use PFAULT pseudo page fault |
| 666 | handling under VM. If running native or in LPAR, this option |
| 667 | has no effect. If your VM does not support PFAULT, PAGEEX |
| 668 | pseudo page fault handling will be used. |
| 669 | Note that VM 4.2 supports PFAULT but has a bug in its |
| 670 | implementation that causes some problems. |
| 671 | Everybody who wants to run Linux under VM != VM4.2 should select |
| 672 | this option. |
| 673 | |
| 674 | config SHARED_KERNEL |
Heiko Carstens | 0eccc78 | 2012-09-25 14:53:15 +0200 | [diff] [blame] | 675 | bool "VM shared kernel support" |
| 676 | depends on !JUMP_LABEL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | help |
| 678 | Select this option, if you want to share the text segment of the |
| 679 | Linux kernel between different VM guests. This reduces memory |
| 680 | usage with lots of guests but greatly increases kernel size. |
Heiko Carstens | 9c9c176 | 2007-03-05 23:35:45 +0100 | [diff] [blame] | 681 | Also if a kernel was IPL'ed from a shared segment the kexec system |
| 682 | call will not work. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | You should only select this option if you know what you are |
| 684 | doing and want to exploit this feature. |
| 685 | |
| 686 | config CMM |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 687 | def_tristate n |
| 688 | prompt "Cooperative memory management" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | help |
| 690 | Select this option, if you want to enable the kernel interface |
| 691 | to reduce the memory size of the system. This is accomplished |
| 692 | by allocating pages of memory and put them "on hold". This only |
| 693 | makes sense for a system running under VM where the unused pages |
| 694 | will be reused by VM for other guest systems. The interface |
| 695 | allows an external monitor to balance memory of many systems. |
| 696 | Everybody who wants to run Linux under VM should select this |
| 697 | option. |
| 698 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | config CMM_IUCV |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 700 | def_bool y |
| 701 | prompt "IUCV special message interface to cooperative memory management" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) |
| 703 | help |
| 704 | Select this option to enable the special message interface to |
| 705 | the cooperative memory management. |
| 706 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | config APPLDATA_BASE |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 708 | def_bool n |
| 709 | prompt "Linux - VM Monitor Stream, base infrastructure" |
Martin Schwidefsky | c185b78 | 2008-12-25 13:39:25 +0100 | [diff] [blame] | 710 | depends on PROC_FS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | help |
| 712 | This provides a kernel interface for creating and updating z/VM APPLDATA |
| 713 | monitor records. The monitor records are updated at certain time |
| 714 | intervals, once the timer is started. |
| 715 | Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, |
| 716 | i.e. enables or disables monitoring on the Linux side. |
| 717 | A custom interval value (in seconds) can be written to |
| 718 | /proc/appldata/interval. |
| 719 | |
| 720 | Defaults are 60 seconds interval and timer off. |
| 721 | The /proc entries can also be read from, showing the current settings. |
| 722 | |
| 723 | config APPLDATA_MEM |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 724 | def_tristate m |
| 725 | prompt "Monitor memory management statistics" |
Al Viro | 62fb2ba | 2006-12-13 00:34:59 -0800 | [diff] [blame] | 726 | depends on APPLDATA_BASE && VM_EVENT_COUNTERS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | help |
| 728 | This provides memory management related data to the Linux - VM Monitor |
| 729 | Stream, like paging/swapping rate, memory utilisation, etc. |
| 730 | Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM |
| 731 | APPLDATA monitor record, i.e. enables or disables monitoring this record |
| 732 | on the z/VM side. |
| 733 | |
| 734 | Default is disabled. |
| 735 | The /proc entry can also be read from, showing the current settings. |
| 736 | |
| 737 | This can also be compiled as a module, which will be called |
| 738 | appldata_mem.o. |
| 739 | |
| 740 | config APPLDATA_OS |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 741 | def_tristate m |
| 742 | prompt "Monitor OS statistics" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | depends on APPLDATA_BASE |
| 744 | help |
| 745 | This provides OS related data to the Linux - VM Monitor Stream, like |
| 746 | CPU utilisation, etc. |
| 747 | Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM |
| 748 | APPLDATA monitor record, i.e. enables or disables monitoring this record |
| 749 | on the z/VM side. |
| 750 | |
| 751 | Default is disabled. |
| 752 | This can also be compiled as a module, which will be called |
| 753 | appldata_os.o. |
| 754 | |
| 755 | config APPLDATA_NET_SUM |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 756 | def_tristate m |
| 757 | prompt "Monitor overall network statistics" |
Sachin Sant | 70193af9 | 2009-03-26 15:24:00 +0100 | [diff] [blame] | 758 | depends on APPLDATA_BASE && NET |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | help |
| 760 | This provides network related data to the Linux - VM Monitor Stream, |
| 761 | currently there is only a total sum of network I/O statistics, no |
| 762 | per-interface data. |
| 763 | Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM |
| 764 | APPLDATA monitor record, i.e. enables or disables monitoring this record |
| 765 | on the z/VM side. |
| 766 | |
| 767 | Default is disabled. |
| 768 | This can also be compiled as a module, which will be called |
| 769 | appldata_net_sum.o. |
| 770 | |
Michael Holzheu | 24bbb1f | 2006-06-23 02:05:06 -0700 | [diff] [blame] | 771 | config S390_HYPFS_FS |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 772 | def_bool y |
| 773 | prompt "s390 hypervisor file system support" |
Michael Holzheu | 24bbb1f | 2006-06-23 02:05:06 -0700 | [diff] [blame] | 774 | select SYS_HYPERVISOR |
Michael Holzheu | 24bbb1f | 2006-06-23 02:05:06 -0700 | [diff] [blame] | 775 | help |
| 776 | This is a virtual file system intended to provide accounting |
| 777 | information in an s390 hypervisor environment. |
| 778 | |
Jan Glauber | 843c48f | 2012-08-27 10:55:18 +0200 | [diff] [blame] | 779 | source "arch/s390/kvm/Kconfig" |
Michael Holzheu | 411ed32 | 2007-04-27 16:01:49 +0200 | [diff] [blame] | 780 | |
Carsten Otte | fa58774 | 2008-03-25 18:47:44 +0100 | [diff] [blame] | 781 | config S390_GUEST |
Martin Schwidefsky | 6f9a3c3 | 2011-01-05 12:47:15 +0100 | [diff] [blame] | 782 | def_bool y |
Kees Cook | 510cf5a | 2012-10-02 11:16:42 -0700 | [diff] [blame] | 783 | prompt "s390 support for virtio devices" |
| 784 | depends on 64BIT |
Chen Gang | 79b6f7f | 2013-07-23 16:26:08 +0800 | [diff] [blame] | 785 | select TTY |
Christian Borntraeger | 80629b0 | 2011-06-22 16:24:07 +0200 | [diff] [blame] | 786 | select VIRTUALIZATION |
Carsten Otte | fa58774 | 2008-03-25 18:47:44 +0100 | [diff] [blame] | 787 | select VIRTIO |
Christian Borntraeger | faeba830 | 2008-06-20 15:24:18 +0200 | [diff] [blame] | 788 | select VIRTIO_CONSOLE |
Carsten Otte | fa58774 | 2008-03-25 18:47:44 +0100 | [diff] [blame] | 789 | help |
Cornelia Huck | bdd1fc2 | 2012-08-27 12:56:48 +0200 | [diff] [blame] | 790 | Enabling this option adds support for virtio based paravirtual device |
| 791 | drivers on s390. |
| 792 | |
Christian Borntraeger | 20766c0 | 2008-08-29 13:30:56 +0200 | [diff] [blame] | 793 | Select this option if you want to run the kernel as a guest under |
Cornelia Huck | bdd1fc2 | 2012-08-27 12:56:48 +0200 | [diff] [blame] | 794 | the KVM hypervisor. |
Heiko Carstens | bcf5cef | 2009-06-12 10:26:26 +0200 | [diff] [blame] | 795 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | endmenu |