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[PATCH] lockdep: annotate genirq

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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>
This commit is contained in:
Ingo Molnar
2006-07-03 00:25:06 -07:00
committed by Linus Torvalds
parent 8b8f319fc7
commit 243c7621aa
3 changed files with 23 additions and 0 deletions
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6
include/linux/lockdep.h
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@@ -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);