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Diffstat (limited to 'kernel/locking/lockdep.c')
-rw-r--r--kernel/locking/lockdep.c35
1 files changed, 5 insertions, 30 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 5fa4d3138bf1..e406c5fdb41e 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -55,6 +55,7 @@
#include "lockdep_internals.h"
+#include <trace/events/preemptirq.h>
#define CREATE_TRACE_POINTS
#include <trace/events/lock.h>
@@ -248,12 +249,7 @@ void clear_lock_stats(struct lock_class *class)
static struct lock_class_stats *get_lock_stats(struct lock_class *class)
{
- return &get_cpu_var(cpu_lock_stats)[class - lock_classes];
-}
-
-static void put_lock_stats(struct lock_class_stats *stats)
-{
- put_cpu_var(cpu_lock_stats);
+ return &this_cpu_ptr(cpu_lock_stats)[class - lock_classes];
}
static void lock_release_holdtime(struct held_lock *hlock)
@@ -271,7 +267,6 @@ static void lock_release_holdtime(struct held_lock *hlock)
lock_time_inc(&stats->read_holdtime, holdtime);
else
lock_time_inc(&stats->write_holdtime, holdtime);
- put_lock_stats(stats);
}
#else
static inline void lock_release_holdtime(struct held_lock *hlock)
@@ -2845,10 +2840,8 @@ static void __trace_hardirqs_on_caller(unsigned long ip)
debug_atomic_inc(hardirqs_on_events);
}
-__visible void trace_hardirqs_on_caller(unsigned long ip)
+void lockdep_hardirqs_on(unsigned long ip)
{
- time_hardirqs_on(CALLER_ADDR0, ip);
-
if (unlikely(!debug_locks || current->lockdep_recursion))
return;
@@ -2887,23 +2880,14 @@ __visible void trace_hardirqs_on_caller(unsigned long ip)
__trace_hardirqs_on_caller(ip);
current->lockdep_recursion = 0;
}
-EXPORT_SYMBOL(trace_hardirqs_on_caller);
-
-void trace_hardirqs_on(void)
-{
- trace_hardirqs_on_caller(CALLER_ADDR0);
-}
-EXPORT_SYMBOL(trace_hardirqs_on);
/*
* Hardirqs were disabled:
*/
-__visible void trace_hardirqs_off_caller(unsigned long ip)
+void lockdep_hardirqs_off(unsigned long ip)
{
struct task_struct *curr = current;
- time_hardirqs_off(CALLER_ADDR0, ip);
-
if (unlikely(!debug_locks || current->lockdep_recursion))
return;
@@ -2925,13 +2909,6 @@ __visible void trace_hardirqs_off_caller(unsigned long ip)
} else
debug_atomic_inc(redundant_hardirqs_off);
}
-EXPORT_SYMBOL(trace_hardirqs_off_caller);
-
-void trace_hardirqs_off(void)
-{
- trace_hardirqs_off_caller(CALLER_ADDR0);
-}
-EXPORT_SYMBOL(trace_hardirqs_off);
/*
* Softirqs will be enabled:
@@ -4090,7 +4067,6 @@ __lock_contended(struct lockdep_map *lock, unsigned long ip)
stats->contending_point[contending_point]++;
if (lock->cpu != smp_processor_id())
stats->bounces[bounce_contended + !!hlock->read]++;
- put_lock_stats(stats);
}
static void
@@ -4138,7 +4114,6 @@ __lock_acquired(struct lockdep_map *lock, unsigned long ip)
}
if (lock->cpu != cpu)
stats->bounces[bounce_acquired + !!hlock->read]++;
- put_lock_stats(stats);
lock->cpu = cpu;
lock->ip = ip;
@@ -4338,7 +4313,7 @@ out_restore:
raw_local_irq_restore(flags);
}
-void __init lockdep_info(void)
+void __init lockdep_init(void)
{
printk("Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar\n");