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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 17:29:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 17:29:53 -0700
commit492f59f526d95e73028f57bff475b4bbe3c8cb72 (patch)
tree8419a65de08183e350a468433fb3f4205e49ae80 /kernel
parentf945b7abcb6cfd3106c9855aa2aa6e4396a19d76 (diff)
parent7bee946358c3cb957d4aa648fc5ab3cad0b232d0 (diff)
downloadlinux-492f59f526d95e73028f57bff475b4bbe3c8cb72.tar.gz
Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  locking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit]
  lockdep: remove duplicate CONFIG_DEBUG_LOCKDEP definitions
  lockdep: require framepointers for x86
  lockdep: remove extra "irq" string
  lockdep: fix incorrect state name
Diffstat (limited to 'kernel')
-rw-r--r--kernel/lockdep.c16
-rw-r--r--kernel/softirq.c4
2 files changed, 7 insertions, 13 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 3673a3f44d9d..981cd4854281 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -433,13 +433,6 @@ 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 +1893,9 @@ 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 +2008,8 @@ 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 +2037,7 @@ 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;
 
 	/*
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 57d3f67f6f38..487751604300 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -180,7 +180,7 @@ asmlinkage void __do_softirq(void)
 	account_system_vtime(current);
 
 	__local_bh_disable((unsigned long)__builtin_return_address(0));
-	trace_softirq_enter();
+	lockdep_softirq_enter();
 
 	cpu = smp_processor_id();
 restart:
@@ -220,7 +220,7 @@ restart:
 	if (pending)
 		wakeup_softirqd();
 
-	trace_softirq_exit();
+	lockdep_softirq_exit();
 
 	account_system_vtime(current);
 	_local_bh_enable();