diff options
| -rw-r--r-- | kernel/kprobes.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c index c53aad5d7e5e..6dd5359e1f0e 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c | |||
| @@ -831,6 +831,7 @@ void __kprobes recycle_rp_inst(struct kretprobe_instance *ri, | |||
| 831 | 831 | ||
| 832 | void __kprobes kretprobe_hash_lock(struct task_struct *tsk, | 832 | void __kprobes kretprobe_hash_lock(struct task_struct *tsk, |
| 833 | struct hlist_head **head, unsigned long *flags) | 833 | struct hlist_head **head, unsigned long *flags) |
| 834 | __acquires(hlist_lock) | ||
| 834 | { | 835 | { |
| 835 | unsigned long hash = hash_ptr(tsk, KPROBE_HASH_BITS); | 836 | unsigned long hash = hash_ptr(tsk, KPROBE_HASH_BITS); |
| 836 | spinlock_t *hlist_lock; | 837 | spinlock_t *hlist_lock; |
| @@ -842,6 +843,7 @@ void __kprobes kretprobe_hash_lock(struct task_struct *tsk, | |||
| 842 | 843 | ||
| 843 | static void __kprobes kretprobe_table_lock(unsigned long hash, | 844 | static void __kprobes kretprobe_table_lock(unsigned long hash, |
| 844 | unsigned long *flags) | 845 | unsigned long *flags) |
| 846 | __acquires(hlist_lock) | ||
| 845 | { | 847 | { |
| 846 | spinlock_t *hlist_lock = kretprobe_table_lock_ptr(hash); | 848 | spinlock_t *hlist_lock = kretprobe_table_lock_ptr(hash); |
| 847 | spin_lock_irqsave(hlist_lock, *flags); | 849 | spin_lock_irqsave(hlist_lock, *flags); |
| @@ -849,6 +851,7 @@ static void __kprobes kretprobe_table_lock(unsigned long hash, | |||
| 849 | 851 | ||
| 850 | void __kprobes kretprobe_hash_unlock(struct task_struct *tsk, | 852 | void __kprobes kretprobe_hash_unlock(struct task_struct *tsk, |
| 851 | unsigned long *flags) | 853 | unsigned long *flags) |
| 854 | __releases(hlist_lock) | ||
| 852 | { | 855 | { |
| 853 | unsigned long hash = hash_ptr(tsk, KPROBE_HASH_BITS); | 856 | unsigned long hash = hash_ptr(tsk, KPROBE_HASH_BITS); |
| 854 | spinlock_t *hlist_lock; | 857 | spinlock_t *hlist_lock; |
| @@ -859,6 +862,7 @@ void __kprobes kretprobe_hash_unlock(struct task_struct *tsk, | |||
| 859 | 862 | ||
| 860 | static void __kprobes kretprobe_table_unlock(unsigned long hash, | 863 | static void __kprobes kretprobe_table_unlock(unsigned long hash, |
| 861 | unsigned long *flags) | 864 | unsigned long *flags) |
| 865 | __releases(hlist_lock) | ||
| 862 | { | 866 | { |
| 863 | spinlock_t *hlist_lock = kretprobe_table_lock_ptr(hash); | 867 | spinlock_t *hlist_lock = kretprobe_table_lock_ptr(hash); |
| 864 | spin_unlock_irqrestore(hlist_lock, *flags); | 868 | spin_unlock_irqrestore(hlist_lock, *flags); |
