From 8f9b15286a8ea49e997e845d02d357ed33ebd090 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Mon, 6 Apr 2009 19:01:02 -0700 Subject: kprobes: support kretprobe and jprobe per-probe disabling Add disable/enable_kretprobe() and disable/enable_jprobe(). Signed-off-by: Masami Hiramatsu Acked-by: Ananth N Mavinakayanahalli Cc: Anil S Keshavamurthy Cc: David S. Miller Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/kprobes.txt | 16 ++++++++++------ include/linux/kprobes.h | 17 +++++++++++++++++ 2 files changed, 27 insertions(+), 6 deletions(-) diff --git a/Documentation/kprobes.txt b/Documentation/kprobes.txt index f609af242d6c..1e7a769a10f9 100644 --- a/Documentation/kprobes.txt +++ b/Documentation/kprobes.txt @@ -365,21 +365,25 @@ probes) in the specified array, they clear the addr field of those incorrect probes. However, other probes in the array are unregistered correctly. -4.7 disable_kprobe +4.7 disable_*probe #include int disable_kprobe(struct kprobe *kp); +int disable_kretprobe(struct kretprobe *rp); +int disable_jprobe(struct jprobe *jp); -Temporarily disables the specified kprobe. You can enable it again by using -enable_kprobe(). You must specify the kprobe which has been registered. +Temporarily disables the specified *probe. You can enable it again by using +enable_*probe(). You must specify the probe which has been registered. -4.8 enable_kprobe +4.8 enable_*probe #include int enable_kprobe(struct kprobe *kp); +int enable_kretprobe(struct kretprobe *rp); +int enable_jprobe(struct jprobe *jp); -Enables kprobe which has been disabled by disable_kprobe(). You must specify -the kprobe which has been registered. +Enables *probe which has been disabled by disable_*probe(). You must specify +the probe which has been registered. 5. Kprobes Features and Limitations diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 1071cfddddc9..bcd9c07848be 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -371,4 +371,21 @@ static inline int enable_kprobe(struct kprobe *kp) return -ENOSYS; } #endif /* CONFIG_KPROBES */ +static inline int disable_kretprobe(struct kretprobe *rp) +{ + return disable_kprobe(&rp->kp); +} +static inline int enable_kretprobe(struct kretprobe *rp) +{ + return enable_kprobe(&rp->kp); +} +static inline int disable_jprobe(struct jprobe *jp) +{ + return disable_kprobe(&jp->kp); +} +static inline int enable_jprobe(struct jprobe *jp) +{ + return enable_kprobe(&jp->kp); +} + #endif /* _LINUX_KPROBES_H */ -- cgit v1.2.3