diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 64 |
1 files changed, 61 insertions, 3 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 7f8f281f2585..5a1779c93940 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -76,6 +76,15 @@ config OPTPROBES depends on KPROBES && HAVE_OPTPROBES depends on !PREEMPT +config KPROBES_ON_FTRACE + def_bool y + depends on KPROBES && HAVE_KPROBES_ON_FTRACE + depends on DYNAMIC_FTRACE_WITH_REGS + help + If function tracer is enabled and the arch supports full + passing of pt_regs to function tracing, then kprobes can + optimize on top of function tracing. + config UPROBES bool "Transparent user-space probes (EXPERIMENTAL)" depends on UPROBE_EVENT && PERF_EVENTS @@ -94,6 +103,22 @@ config UPROBES If in doubt, say "N". +config HAVE_64BIT_ALIGNED_ACCESS + def_bool 64BIT && !HAVE_EFFICIENT_UNALIGNED_ACCESS + help + Some architectures require 64 bit accesses to be 64 bit + aligned, which also requires structs containing 64 bit values + to be 64 bit aligned too. This includes some 32 bit + architectures which can do 64 bit accesses, as well as 64 bit + architectures without unaligned access. + + This symbol should be selected by an architecture if 64 bit + accesses are required to be 64 bit aligned in this way even + though it is not a 64 bit architecture. + + See Documentation/unaligned-memory-access.txt for more + information on the topic of unaligned memory accesses. + config HAVE_EFFICIENT_UNALIGNED_ACCESS bool help @@ -158,6 +183,9 @@ config HAVE_KRETPROBES config HAVE_OPTPROBES bool +config HAVE_KPROBES_ON_FTRACE + bool + config HAVE_NMI_WATCHDOG bool # @@ -291,6 +319,13 @@ config ARCH_WANT_OLD_COMPAT_IPC select ARCH_WANT_COMPAT_IPC_PARSE_VERSION bool +config HAVE_VIRT_TO_BUS + bool + help + An architecture should select this if it implements the + deprecated interface virt_to_bus(). All new architectures + should probably not select this. + config HAVE_ARCH_SECCOMP_FILTER bool help @@ -356,9 +391,6 @@ config MODULES_USE_ELF_REL Modules only use ELF REL relocations. Modules with ELF RELA relocations will give an error. -config GENERIC_SIGALTSTACK - bool - # # ABI hall of shame # @@ -373,4 +405,30 @@ config CLONE_BACKWARDS2 help Architecture has the first two arguments of clone(2) swapped. +config ODD_RT_SIGACTION + bool + help + Architecture has unusual rt_sigaction(2) arguments + +config OLD_SIGSUSPEND + bool + help + Architecture has old sigsuspend(2) syscall, of one-argument variety + +config OLD_SIGSUSPEND3 + bool + help + Even weirder antique ABI - three-argument sigsuspend(2) + +config OLD_SIGACTION + bool + help + Architecture has old sigaction(2) syscall. Nope, not the same + as OLD_SIGSUSPEND | OLD_SIGSUSPEND3 - alpha has sigsuspend(2), + but fairly different variant of sigaction(2), thanks to OSF/1 + compatibility... + +config COMPAT_OLD_SIGACTION + bool + source "kernel/gcov/Kconfig" |
