X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=kernel%2Flockdep.c;h=81968a065b4cc61c0674e20848b5b2e7843f852e;hp=63437d065ac89d69bbc6e70fd3789e64ac7e1d6a;hb=dd4e5d3ac4a76b868daf30e35bd572def96c30ed;hpb=4f2a8d3cf5e0486fd547633fa86c5d130ae98cad

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 63437d065ac8..81968a065b4c 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2478,15 +2478,10 @@ mark_held_locks(struct task_struct *curr, enum mark_type mark)
 /*
  * Hardirqs will be enabled:
  */
-void trace_hardirqs_on_caller(unsigned long ip)
+static void __trace_hardirqs_on_caller(unsigned long ip)
 {
 	struct task_struct *curr = current;
 
-	time_hardirqs_on(CALLER_ADDR0, ip);
-
-	if (unlikely(!debug_locks || current->lockdep_recursion))
-		return;
-
 	if (DEBUG_LOCKS_WARN_ON(unlikely(early_boot_irqs_disabled)))
 		return;
 
@@ -2502,8 +2497,6 @@ void trace_hardirqs_on_caller(unsigned long ip)
 	/* we'll do an OFF -> ON transition: */
 	curr->hardirqs_enabled = 1;
 
-	if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
-		return;
 	if (DEBUG_LOCKS_WARN_ON(current->hardirq_context))
 		return;
 	/*
@@ -2525,6 +2518,21 @@ void trace_hardirqs_on_caller(unsigned long ip)
 	curr->hardirq_enable_event = ++curr->irq_events;
 	debug_atomic_inc(hardirqs_on_events);
 }
+
+void trace_hardirqs_on_caller(unsigned long ip)
+{
+	time_hardirqs_on(CALLER_ADDR0, ip);
+
+	if (unlikely(!debug_locks || current->lockdep_recursion))
+		return;
+
+	if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
+		return;
+
+	current->lockdep_recursion = 1;
+	__trace_hardirqs_on_caller(ip);
+	current->lockdep_recursion = 0;
+}
 EXPORT_SYMBOL(trace_hardirqs_on_caller);
 
 void trace_hardirqs_on(void)
@@ -2574,7 +2582,7 @@ void trace_softirqs_on(unsigned long ip)
 {
 	struct task_struct *curr = current;
 
-	if (unlikely(!debug_locks))
+	if (unlikely(!debug_locks || current->lockdep_recursion))
 		return;
 
 	if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
@@ -2585,6 +2593,7 @@ void trace_softirqs_on(unsigned long ip)
 		return;
 	}
 
+	current->lockdep_recursion = 1;
 	/*
 	 * We'll do an OFF -> ON transition:
 	 */
@@ -2599,6 +2608,7 @@ void trace_softirqs_on(unsigned long ip)
 	 */
 	if (curr->hardirqs_enabled)
 		mark_held_locks(curr, SOFTIRQ);
+	current->lockdep_recursion = 0;
 }
 
 /*
@@ -2608,7 +2618,7 @@ void trace_softirqs_off(unsigned long ip)
 {
 	struct task_struct *curr = current;
 
-	if (unlikely(!debug_locks))
+	if (unlikely(!debug_locks || current->lockdep_recursion))
 		return;
 
 	if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))