| Kconfig (2a7d2b96d5cba7568139d9ab157a0e97ab32440f) | Kconfig (c19fa94a8fed72754e81800dfa14af6daaf6d331) |
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| 1# 2# General architecture dependent options 3# 4 5config OPROFILE 6 tristate "OProfile system profiling" 7 depends on PROFILING 8 depends on HAVE_OPROFILE --- 62 unchanged lines hidden (view full) --- 71 ( On 32-bit x86, the necessary options added to the compiler 72 flags may increase the size of the kernel slightly. ) 73 74config OPTPROBES 75 def_bool y 76 depends on KPROBES && HAVE_OPTPROBES 77 depends on !PREEMPT 78 | 1# 2# General architecture dependent options 3# 4 5config OPROFILE 6 tristate "OProfile system profiling" 7 depends on PROFILING 8 depends on HAVE_OPROFILE --- 62 unchanged lines hidden (view full) --- 71 ( On 32-bit x86, the necessary options added to the compiler 72 flags may increase the size of the kernel slightly. ) 73 74config OPTPROBES 75 def_bool y 76 depends on KPROBES && HAVE_OPTPROBES 77 depends on !PREEMPT 78 |
| 79config KPROBES_ON_FTRACE 80 def_bool y 81 depends on KPROBES && HAVE_KPROBES_ON_FTRACE 82 depends on DYNAMIC_FTRACE_WITH_REGS 83 help 84 If function tracer is enabled and the arch supports full 85 passing of pt_regs to function tracing, then kprobes can 86 optimize on top of function tracing. 87 | |
| 88config UPROBES 89 bool "Transparent user-space probes (EXPERIMENTAL)" 90 depends on UPROBE_EVENT && PERF_EVENTS 91 default n 92 select PERCPU_RWSEM 93 help 94 Uprobes is the user-space counterpart to kprobes: they 95 enable instrumentation applications (such as 'perf probe') 96 to establish unintrusive probes in user-space binaries and 97 libraries, by executing handler functions when the probes 98 are hit by user-space applications. 99 100 ( These probes come in the form of single-byte breakpoints, 101 managed by the kernel and kept transparent to the probed 102 application. ) 103 104 If in doubt, say "N". 105 | 79config UPROBES 80 bool "Transparent user-space probes (EXPERIMENTAL)" 81 depends on UPROBE_EVENT && PERF_EVENTS 82 default n 83 select PERCPU_RWSEM 84 help 85 Uprobes is the user-space counterpart to kprobes: they 86 enable instrumentation applications (such as 'perf probe') 87 to establish unintrusive probes in user-space binaries and 88 libraries, by executing handler functions when the probes 89 are hit by user-space applications. 90 91 ( These probes come in the form of single-byte breakpoints, 92 managed by the kernel and kept transparent to the probed 93 application. ) 94 95 If in doubt, say "N". 96 |
| 97config HAVE_64BIT_ALIGNED_ACCESS 98 def_bool 64BIT && !HAVE_EFFICIENT_UNALIGNED_ACCESS 99 help 100 Some architectures require 64 bit accesses to be 64 bit 101 aligned, which also requires structs containing 64 bit values 102 to be 64 bit aligned too. This includes some 32 bit 103 architectures which can do 64 bit accesses, as well as 64 bit 104 architectures without unaligned access. 105 106 This symbol should be selected by an architecture if 64 bit 107 accesses are required to be 64 bit aligned in this way even 108 though it is not a 64 bit architecture. 109 110 See Documentation/unaligned-memory-access.txt for more 111 information on the topic of unaligned memory accesses. 112 |
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| 106config HAVE_EFFICIENT_UNALIGNED_ACCESS 107 bool 108 help 109 Some architectures are unable to perform unaligned accesses 110 without the use of get_unaligned/put_unaligned. Others are 111 unable to perform such accesses efficiently (e.g. trap on 112 unaligned access and require fixing it up in the exception 113 handler.) --- 48 unchanged lines hidden (view full) --- 162 bool 163 164config HAVE_KRETPROBES 165 bool 166 167config HAVE_OPTPROBES 168 bool 169 | 113config HAVE_EFFICIENT_UNALIGNED_ACCESS 114 bool 115 help 116 Some architectures are unable to perform unaligned accesses 117 without the use of get_unaligned/put_unaligned. Others are 118 unable to perform such accesses efficiently (e.g. trap on 119 unaligned access and require fixing it up in the exception 120 handler.) --- 48 unchanged lines hidden (view full) --- 169 bool 170 171config HAVE_KRETPROBES 172 bool 173 174config HAVE_OPTPROBES 175 bool 176 |
| 170config HAVE_KPROBES_ON_FTRACE 171 bool 172 | |
| 173config HAVE_NMI_WATCHDOG 174 bool 175# 176# An arch should select this if it provides all these things: 177# 178# task_pt_regs() in asm/processor.h or asm/ptrace.h 179# arch_has_single_step() if there is hardware single-step support 180# arch_has_block_step() if there is hardware block-step support --- 117 unchanged lines hidden (view full) --- 298 299config ARCH_WANT_COMPAT_IPC_PARSE_VERSION 300 bool 301 302config ARCH_WANT_OLD_COMPAT_IPC 303 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 304 bool 305 | 177config HAVE_NMI_WATCHDOG 178 bool 179# 180# An arch should select this if it provides all these things: 181# 182# task_pt_regs() in asm/processor.h or asm/ptrace.h 183# arch_has_single_step() if there is hardware single-step support 184# arch_has_block_step() if there is hardware block-step support --- 117 unchanged lines hidden (view full) --- 302 303config ARCH_WANT_COMPAT_IPC_PARSE_VERSION 304 bool 305 306config ARCH_WANT_OLD_COMPAT_IPC 307 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 308 bool 309 |
| 306config HAVE_VIRT_TO_BUS 307 bool 308 help 309 An architecture should select this if it implements the 310 deprecated interface virt_to_bus(). All new architectures 311 should probably not select this. 312 | |
| 313config HAVE_ARCH_SECCOMP_FILTER 314 bool 315 help 316 An arch should select this symbol if it provides all of these things: 317 - syscall_get_arch() 318 - syscall_get_arguments() 319 - syscall_rollback() 320 - syscall_set_return_value() --- 49 unchanged lines hidden (view full) --- 370 relocations will give an error. 371 372config MODULES_USE_ELF_REL 373 bool 374 help 375 Modules only use ELF REL relocations. Modules with ELF RELA 376 relocations will give an error. 377 | 310config HAVE_ARCH_SECCOMP_FILTER 311 bool 312 help 313 An arch should select this symbol if it provides all of these things: 314 - syscall_get_arch() 315 - syscall_get_arguments() 316 - syscall_rollback() 317 - syscall_set_return_value() --- 49 unchanged lines hidden (view full) --- 367 relocations will give an error. 368 369config MODULES_USE_ELF_REL 370 bool 371 help 372 Modules only use ELF REL relocations. Modules with ELF RELA 373 relocations will give an error. 374 |
| 375config GENERIC_SIGALTSTACK 376 bool 377 |
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| 378# 379# ABI hall of shame 380# 381config CLONE_BACKWARDS 382 bool 383 help 384 Architecture has tls passed as the 4th argument of clone(2), 385 not the 5th one. 386 387config CLONE_BACKWARDS2 388 bool 389 help 390 Architecture has the first two arguments of clone(2) swapped. 391 | 378# 379# ABI hall of shame 380# 381config CLONE_BACKWARDS 382 bool 383 help 384 Architecture has tls passed as the 4th argument of clone(2), 385 not the 5th one. 386 387config CLONE_BACKWARDS2 388 bool 389 help 390 Architecture has the first two arguments of clone(2) swapped. 391 |
| 392config ODD_RT_SIGACTION 393 bool 394 help 395 Architecture has unusual rt_sigaction(2) arguments 396 397config OLD_SIGSUSPEND 398 bool 399 help 400 Architecture has old sigsuspend(2) syscall, of one-argument variety 401 402config OLD_SIGSUSPEND3 403 bool 404 help 405 Even weirder antique ABI - three-argument sigsuspend(2) 406 407config OLD_SIGACTION 408 bool 409 help 410 Architecture has old sigaction(2) syscall. Nope, not the same 411 as OLD_SIGSUSPEND | OLD_SIGSUSPEND3 - alpha has sigsuspend(2), 412 but fairly different variant of sigaction(2), thanks to OSF/1 413 compatibility... 414 415config COMPAT_OLD_SIGACTION 416 bool 417 | |
| 418source "kernel/gcov/Kconfig" | 392source "kernel/gcov/Kconfig" |