diff options
| -rw-r--r-- | include/linux/ftrace.h | 8 | ||||
| -rw-r--r-- | include/linux/init_task.h | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 015a3d22cf7..da5405dce34 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -356,6 +356,9 @@ struct ftrace_graph_ret { #ifdef CONFIG_FUNCTION_GRAPH_TRACER +/* for init task */ +#define INIT_FTRACE_GRAPH .ret_stack = NULL + /* * Stack of return addresses for functions * of a thread. @@ -430,10 +433,11 @@ static inline void unpause_graph_tracing(void) { atomic_dec(¤t->tracing_graph_pause); } -#else +#else /* !CONFIG_FUNCTION_GRAPH_TRACER */ #define __notrace_funcgraph #define __irq_entry +#define INIT_FTRACE_GRAPH static inline void ftrace_graph_init_task(struct task_struct *t) { } static inline void ftrace_graph_exit_task(struct task_struct *t) { } @@ -445,7 +449,7 @@ static inline int task_curr_ret_stack(struct task_struct *tsk) static inline void pause_graph_tracing(void) { } static inline void unpause_graph_tracing(void) { } -#endif +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ #ifdef CONFIG_TRACING #include <linux/sched.h> diff --git a/include/linux/init_task.h b/include/linux/init_task.h index e752d973fa2..cada05447bc 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -5,6 +5,7 @@ #include <linux/irqflags.h> #include <linux/utsname.h> #include <linux/lockdep.h> +#include <linux/ftrace.h> #include <linux/ipc.h> #include <linux/pid_namespace.h> #include <linux/user_namespace.h> @@ -184,6 +185,7 @@ extern struct cred init_cred; INIT_IDS \ INIT_TRACE_IRQFLAGS \ INIT_LOCKDEP \ + INIT_FTRACE_GRAPH \ } |