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lockdep: syscall exit check

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Provide a check to validate that we do not hold any locks when switching
back to user-space.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2007-10-11 22:11:12 +02:00
parent e4564f79d4
commit b351d164e8
2 changed files with 18 additions and 0 deletions
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2
include/linux/lockdep.h
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@ -238,6 +238,7 @@ extern void lockdep_info(void);
extern void lockdep_reset(void);
extern void lockdep_reset_lock(struct lockdep_map *lock);
extern void lockdep_free_key_range(void *start, unsigned long size);
extern void lockdep_sys_exit(void);
extern void lockdep_off(void);
extern void lockdep_on(void);
@ -317,6 +318,7 @@ static inline void lockdep_on(void)
# define INIT_LOCKDEP
# define lockdep_reset() do { debug_locks = 1; } while (0)
# define lockdep_free_key_range(start, size) do { } while (0)
# define lockdep_sys_exit() do { } while (0)
/*
* The class key takes no space if lockdep is disabled:
*/