diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 24 | ||||
| -rw-r--r-- | init/main.c | 1 |
2 files changed, 21 insertions, 4 deletions
diff --git a/init/Kconfig b/init/Kconfig index c7bac39d6c61..9e03ef8b311e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -297,7 +297,7 @@ config AUDIT config AUDITSYSCALL bool "Enable system-call auditing support" - depends on AUDIT && (X86 || PPC || PPC64 || S390 || IA64 || UML || SPARC64|| SUPERH) + depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH) default y if SECURITY_SELINUX help Enable low-overhead system-call auditing infrastructure that @@ -921,6 +921,11 @@ config HAVE_PERF_EVENTS help See tools/perf/design.txt for details. +config PERF_USE_VMALLOC + bool + help + See tools/perf/design.txt for details + menu "Kernel Performance Events And Counters" config PERF_EVENTS @@ -932,7 +937,7 @@ config PERF_EVENTS Enable kernel support for various performance events provided by software and hardware. - Software events are supported either build-in or via the + Software events are supported either built-in or via the use of generic tracepoints. Most modern CPUs support performance events via performance @@ -944,7 +949,7 @@ config PERF_EVENTS used to profile the code that runs on that CPU. The Linux Performance Event subsystem provides an abstraction of - these software and hardware cevent apabilities, available via a + these software and hardware event capabilities, available via a system call and used by the "perf" utility in tools/perf/. It provides per task and per CPU counters, and it provides event capabilities on top of those. @@ -976,6 +981,19 @@ config PERF_COUNTERS Say N if unsure. +config DEBUG_PERF_USE_VMALLOC + default n + bool "Debug: use vmalloc to back perf mmap() buffers" + depends on PERF_EVENTS && DEBUG_KERNEL + select PERF_USE_VMALLOC + help + Use vmalloc memory to back perf mmap() buffers. + + Mostly useful for debugging the vmalloc code on platforms + that don't require it. + + Say N if unsure. + endmenu config VM_EVENT_COUNTERS diff --git a/init/main.c b/init/main.c index 7449819a4805..5988debfc505 100644 --- a/init/main.c +++ b/init/main.c @@ -778,7 +778,6 @@ static void __init do_initcalls(void) */ static void __init do_basic_setup(void) { - rcu_init_sched(); /* needed by module_init stage. */ init_workqueues(); cpuset_init_smp(); usermodehelper_init(); |