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authorMasami Hiramatsu <mhiramat@redhat.com>2009-04-06 19:01:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 08:31:08 -0700
commit8f9b15286a8ea49e997e845d02d357ed33ebd090 (patch)
treee6d2905679a938a92982ff48994f1623c6a87031
parentde5bd88d5a5cce3cacea904d3503e5ebdb3852a2 (diff)
kprobes: support kretprobe and jprobe per-probe disabling
Add disable/enable_kretprobe() and disable/enable_jprobe(). Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--Documentation/kprobes.txt16
-rw-r--r--include/linux/kprobes.h17
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 <linux/kprobes.h>
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 <linux/kprobes.h>
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 */