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lockdep: x86_64: connect the sysexit hook

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Run the lockdep_sys_exit hook after all other C code on the syscall
return path.

Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2007-10-11 22:11:12 +02:00
commit 10cd706d18
3 changed files with 29 additions and 12 deletions
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14
include/asm-x86/irqflags_64.h
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@ -137,6 +137,20 @@ static inline void halt(void)
# define TRACE_IRQS_ON
# define TRACE_IRQS_OFF
# endif
# ifdef CONFIG_DEBUG_LOCK_ALLOC
# define LOCKDEP_SYS_EXIT call lockdep_sys_exit_thunk
# define LOCKDEP_SYS_EXIT_IRQ \
TRACE_IRQS_ON; \
sti; \
SAVE_REST; \
LOCKDEP_SYS_EXIT; \
RESTORE_REST; \
cli; \
TRACE_IRQS_OFF;
# else
# define LOCKDEP_SYS_EXIT
# define LOCKDEP_SYS_EXIT_IRQ
# endif
#endif
#endif