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-rw-r--r--include/linux/compiler.h3
-rw-r--r--include/linux/ftrace.h8
-rw-r--r--include/linux/init_task.h2
3 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index cebfdcd3dbd..37bcb50a4d7 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -76,7 +76,8 @@ struct ftrace_branch_data {
* Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
* to disable branch tracing on a per file basis.
*/
-#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING)
+#if defined(CONFIG_TRACE_BRANCH_PROFILING) \
+ && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__)
void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
#define likely_notrace(x) __builtin_expect(!!(x), 1)
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(&current->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 af1de95e711..dcfb93337e9 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>
@@ -185,6 +186,7 @@ extern struct cred init_cred;
INIT_IDS \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
+ INIT_FTRACE_GRAPH \
}