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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:25:06 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:06 -0700
commit243c7621aac4ed1aa79524c9a1cecf7c05a28124 (patch)
treed8f7a1fce57c9349183bfd9ab6738a763078db85 /include/linux
parent8b8f319fc7f4ab59f567d6a401a62659b3d37007 (diff)
[PATCH] lockdep: annotate genirq
Teach special (recursive) locking code to the lock validator. Has no effect on non-lockdep kernels. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/lockdep.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 80ec7a4dbc9..316e0fb8d7b 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -270,6 +270,12 @@ static inline int lockdep_internal(void)
struct lock_class_key { };
#endif /* !LOCKDEP */
+#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)
+extern void early_init_irq_lock_class(void);
+#else
+# define early_init_irq_lock_class() do { } while (0)
+#endif
+
#ifdef CONFIG_TRACE_IRQFLAGS
extern void early_boot_irqs_off(void);
extern void early_boot_irqs_on(void);