diff options
Diffstat (limited to 'kernel/locking/lockdep.c')
-rw-r--r-- | kernel/locking/lockdep.c | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index fbbb79d5cfa0..03bfaeb9f4e6 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> @@ -2839,10 +2840,9 @@ static void __trace_hardirqs_on_caller(unsigned long ip) debug_atomic_inc(hardirqs_on_events); } -__visible void trace_hardirqs_on_caller(unsigned long ip) +static void lockdep_hardirqs_on(void *none, unsigned long ignore, + unsigned long ip) { - time_hardirqs_on(CALLER_ADDR0, ip); - if (unlikely(!debug_locks || current->lockdep_recursion)) return; @@ -2881,23 +2881,15 @@ __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) +static void lockdep_hardirqs_off(void *none, unsigned long ignore, + unsigned long ip) { struct task_struct *curr = current; - time_hardirqs_off(CALLER_ADDR0, ip); - if (unlikely(!debug_locks || current->lockdep_recursion)) return; @@ -2919,13 +2911,6 @@ __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: @@ -4330,7 +4315,15 @@ out_restore: raw_local_irq_restore(flags); } -void __init lockdep_info(void) +void __init lockdep_init_early(void) +{ +#ifdef CONFIG_PROVE_LOCKING + register_trace_prio_irq_disable(lockdep_hardirqs_off, NULL, INT_MAX); + register_trace_prio_irq_enable(lockdep_hardirqs_on, NULL, INT_MIN); +#endif +} + +void __init lockdep_init(void) { printk("Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar\n"); |