diff options
| -rw-r--r-- | include/linux/ftrace.h | 2 | ||||
| -rw-r--r-- | kernel/sysctl.c | 10 | ||||
| -rw-r--r-- | kernel/trace/trace_stack.c | 22 |
3 files changed, 21 insertions, 13 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 59774513ae45..95851a6fb942 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -569,8 +569,6 @@ static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, #ifdef CONFIG_STACK_TRACER -extern int stack_tracer_enabled; - int stack_trace_sysctl(const struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 324ae43a3d50..e5430594dfd6 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -58,7 +58,6 @@ #ifdef CONFIG_X86 #include <asm/nmi.h> -#include <asm/stacktrace.h> #include <asm/io.h> #endif #ifdef CONFIG_SPARC @@ -1652,15 +1651,6 @@ static const struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, #endif -#ifdef CONFIG_STACK_TRACER - { - .procname = "stack_tracer_enabled", - .data = &stack_tracer_enabled, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = stack_trace_sysctl, - }, -#endif #ifdef CONFIG_MODULES { .procname = "modprobe", diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 14c6f272c4d8..e34223c8065d 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -32,7 +32,7 @@ static arch_spinlock_t stack_trace_max_lock = DEFINE_PER_CPU(int, disable_stack_tracer); static DEFINE_MUTEX(stack_sysctl_mutex); -int stack_tracer_enabled; +static int stack_tracer_enabled; static void print_max_stack(void) { @@ -578,3 +578,23 @@ static __init int stack_trace_init(void) } device_initcall(stack_trace_init); + + +static const struct ctl_table trace_stack_sysctl_table[] = { + { + .procname = "stack_tracer_enabled", + .data = &stack_tracer_enabled, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = stack_trace_sysctl, + }, +}; + +static int __init init_trace_stack_sysctls(void) +{ + register_sysctl_init("kernel", trace_stack_sysctl_table); + return 0; +} +subsys_initcall(init_trace_stack_sysctls); + + |