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Merge branch 'tracing/core-v2' into tracing-for-linus

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Conflicts:
	include/linux/slub_def.h
	lib/Kconfig.debug
	mm/slob.c
	mm/slub.c
This commit is contained in:
Ingo Molnar
2009-04-01 21:54:19 +02:00
parent 4fe70410d9 2e572895bf
commit 8302294f43
149 changed files with 14659 additions and 3726 deletions
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33
kernel/lockdep.c
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@@ -42,6 +42,7 @@
#include <linux/hash.h>
#include <linux/ftrace.h>
#include <linux/stringify.h>
#include <trace/lockdep.h>
#include <asm/sections.h>
@@ -433,13 +434,6 @@ atomic_t nr_find_usage_forwards_checks;
atomic_t nr_find_usage_forwards_recursions;
atomic_t nr_find_usage_backwards_checks;
atomic_t nr_find_usage_backwards_recursions;
# define debug_atomic_inc(ptr) atomic_inc(ptr)
# define debug_atomic_dec(ptr) atomic_dec(ptr)
# define debug_atomic_read(ptr) atomic_read(ptr)
#else
# define debug_atomic_inc(ptr) do { } while (0)
# define debug_atomic_dec(ptr) do { } while (0)
# define debug_atomic_read(ptr) 0
#endif
/*
@@ -1900,9 +1894,9 @@ print_irq_inversion_bug(struct task_struct *curr, struct lock_class *other,
curr->comm, task_pid_nr(curr));
print_lock(this);
if (forwards)
printk("but this lock took another, %s-irq-unsafe lock in the past:\n", irqclass);
printk("but this lock took another, %s-unsafe lock in the past:\n", irqclass);
else
printk("but this lock was taken by another, %s-irq-safe lock in the past:\n", irqclass);
printk("but this lock was taken by another, %s-safe lock in the past:\n", irqclass);
print_lock_name(other);
printk("\n\nand interrupts could create inverse lock ordering between them.\n\n");
@@ -2015,7 +2009,8 @@ typedef int (*check_usage_f)(struct task_struct *, struct held_lock *,
enum lock_usage_bit bit, const char *name);
static int
mark_lock_irq(struct task_struct *curr, struct held_lock *this, int new_bit)
mark_lock_irq(struct task_struct *curr, struct held_lock *this,
enum lock_usage_bit new_bit)
{
int excl_bit = exclusive_bit(new_bit);
int read = new_bit & 1;
@@ -2043,7 +2038,7 @@ mark_lock_irq(struct task_struct *curr, struct held_lock *this, int new_bit)
* states.
*/
if ((!read || !dir || STRICT_READ_CHECKS) &&
!usage(curr, this, excl_bit, state_name(new_bit)))
!usage(curr, this, excl_bit, state_name(new_bit & ~1)))
return 0;
/*
@@ -2929,6 +2924,8 @@ void lock_set_class(struct lockdep_map *lock, const char *name,
}
EXPORT_SYMBOL_GPL(lock_set_class);
DEFINE_TRACE(lock_acquire);
/*
* We are not always called with irqs disabled - do that here,
* and also avoid lockdep recursion:
@@ -2939,6 +2936,8 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
{
unsigned long flags;
trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
if (unlikely(current->lockdep_recursion))
return;
@@ -2953,11 +2952,15 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
}
EXPORT_SYMBOL_GPL(lock_acquire);
DEFINE_TRACE(lock_release);
void lock_release(struct lockdep_map *lock, int nested,
unsigned long ip)
{
unsigned long flags;
trace_lock_release(lock, nested, ip);
if (unlikely(current->lockdep_recursion))
return;
@@ -3106,10 +3109,14 @@ found_it:
lock->ip = ip;
}
DEFINE_TRACE(lock_contended);
void lock_contended(struct lockdep_map *lock, unsigned long ip)
{
unsigned long flags;
trace_lock_contended(lock, ip);
if (unlikely(!lock_stat))
return;
@@ -3125,10 +3132,14 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
}
EXPORT_SYMBOL_GPL(lock_contended);
DEFINE_TRACE(lock_acquired);
void lock_acquired(struct lockdep_map *lock, unsigned long ip)
{
unsigned long flags;
trace_lock_acquired(lock, ip);
if (unlikely(!lock_stat))
return;