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ftrace: use Makefile to remove tracing from lockdep

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This patch removes the "notrace" annotation from lockdep and adds the debugging
files in the kernel director to those that should not be compiled with
"-pg" mcount tracing.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Steven Rostedt 2008-05-12 21:20:55 +02:00 committed by Thomas Gleixner
parent 9d0a420b73
commit 1d09daa55d
2 changed files with 21 additions and 13 deletions
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8
kernel/Makefile
View file

@ -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/

26
kernel/lockdep.c
View file

@ -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;