2 files changed, 21 insertions, 13 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
index 7e344e7b0cb3..d2f80ea4cd9a 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -11,6 +11,14 @@ obj-y     = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
             hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
             notifier.o ksysfs.o pm_qos_params.o sched_clock.o
 
+ifdef CONFIG_FTRACE
+# Do not profile debug utilities
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(if $(filter-out lockdep% %debug,$(basename $(notdir $@))), \
+        $(ORIG_CFLAGS), \
+        $(subst -pg,,$(ORIG_CFLAGS)))
+endif
+
 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
 obj-y += time/
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index ac46847ba0c9..90a440cbd6de 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -271,14 +271,14 @@ static struct list_head chainhash_table[CHAINHASH_SIZE];
         ((key1) >> (64-MAX_LOCKDEP_KEYS_BITS)) ^ \
         (key2))
 
-notrace void lockdep_off(void)
+void lockdep_off(void)
 {
         current->lockdep_recursion++;
 }
 
 EXPORT_SYMBOL(lockdep_off);
 
-notrace void lockdep_on(void)
+void lockdep_on(void)
 {
         current->lockdep_recursion--;
 }
@@ -1041,7 +1041,7 @@ find_usage_forwards(struct lock_class *source, unsigned int depth)
  * Return 1 otherwise and keep <backwards_match> unchanged.
  * Return 0 on error.
  */
-static noinline notrace int
+static noinline int
 find_usage_backwards(struct lock_class *source, unsigned int depth)
 {
         struct lock_list *entry;
@@ -1591,7 +1591,7 @@ static inline int validate_chain(struct task_struct *curr,
  * We are building curr_chain_key incrementally, so double-check
  * it from scratch, to make sure that it's done correctly:
  */
-static notrace void check_chain_key(struct task_struct *curr)
+static void check_chain_key(struct task_struct *curr)
 {
 #ifdef CONFIG_DEBUG_LOCKDEP
         struct held_lock *hlock, *prev_hlock = NULL;
@@ -1967,7 +1967,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this,
 /*
  * Mark all held locks with a usage bit:
  */
-static notrace int
+static int
 mark_held_locks(struct task_struct *curr, int hardirq)
 {
         enum lock_usage_bit usage_bit;
@@ -2014,7 +2014,7 @@ void early_boot_irqs_on(void)
 /*
  * Hardirqs will be enabled:
  */
-void notrace trace_hardirqs_on_caller(unsigned long a0)
+void trace_hardirqs_on_caller(unsigned long a0)
 {
         struct task_struct *curr = current;
         unsigned long ip;
@@ -2060,7 +2060,7 @@ void notrace trace_hardirqs_on_caller(unsigned long a0)
 }
 EXPORT_SYMBOL(trace_hardirqs_on_caller);
 
-void notrace trace_hardirqs_on(void)
+void trace_hardirqs_on(void)
 {
         trace_hardirqs_on_caller(CALLER_ADDR0);
 }
@@ -2069,7 +2069,7 @@ EXPORT_SYMBOL(trace_hardirqs_on);
 /*
  * Hardirqs were disabled:
  */
-void notrace trace_hardirqs_off_caller(unsigned long a0)
+void trace_hardirqs_off_caller(unsigned long a0)
 {
         struct task_struct *curr = current;
 
@@ -2094,7 +2094,7 @@ void notrace trace_hardirqs_off_caller(unsigned long a0)
 }
 EXPORT_SYMBOL(trace_hardirqs_off_caller);
 
-void notrace trace_hardirqs_off(void)
+void trace_hardirqs_off(void)
 {
         trace_hardirqs_off_caller(CALLER_ADDR0);
 }
@@ -2260,7 +2260,7 @@ static inline int separate_irq_context(struct task_struct *curr,
 /*
  * Mark a lock with a usage bit, and validate the state transition:
  */
-static notrace int mark_lock(struct task_struct *curr, struct held_lock *this,
+static int mark_lock(struct task_struct *curr, struct held_lock *this,
                              enum lock_usage_bit new_bit)
 {
         unsigned int new_mask = 1 << new_bit, ret = 1;
@@ -2663,7 +2663,7 @@ __lock_release(struct lockdep_map *lock, int nested, unsigned long ip)
 /*
  * Check whether we follow the irq-flags state precisely:
  */
-static notrace void check_flags(unsigned long flags)
+static void check_flags(unsigned long flags)
 {
 #if defined(CONFIG_DEBUG_LOCKDEP) && defined(CONFIG_TRACE_IRQFLAGS)
         if (!debug_locks)
@@ -2700,7 +2700,7 @@ static notrace void check_flags(unsigned long flags)
  * We are not always called with irqs disabled - do that here,
  * and also avoid lockdep recursion:
  */
-notrace void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
+void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
                           int trylock, int read, int check, unsigned long ip)
 {
         unsigned long flags;
@@ -2723,7 +2723,7 @@ notrace void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 
 EXPORT_SYMBOL_GPL(lock_acquire);
 
-notrace void lock_release(struct lockdep_map *lock, int nested,
+void lock_release(struct lockdep_map *lock, int nested,
                           unsigned long ip)
 {
         unsigned long flags;