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jump_label: Provide jump_label_key initializers

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Provide two initializers for jump_label_key that initialize it enabled
or disabled. Also modify all jump_label code to allow for jump_labels to be
initialized enabled.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jason Baron <jbaron@redhat.com>
Link: http://lkml.kernel.org/n/tip-p40e3yj21b68y03z1yv825e7@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2011-07-06 14:20:14 +02:00 • committed by Ingo Molnar
parent 9cdbe1cbac
commit ac99b862fb
2 changed files with 11 additions and 4 deletions
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3
include/linux/jump_label.h
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@ -128,4 +128,7 @@ static inline void jump_label_rate_limit(struct jump_label_key_deferred *key,
}
#endif /* HAVE_JUMP_LABEL */
#define jump_label_key_enabled ((struct jump_label_key){ .enabled = ATOMIC_INIT(1), })
#define jump_label_key_disabled ((struct jump_label_key){ .enabled = ATOMIC_INIT(0), })
#endif /* _LINUX_JUMP_LABEL_H */