Commit 8f9b1528 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Linus Torvalds

kprobes: support kretprobe and jprobe per-probe disabling

Add disable/enable_kretprobe() and disable/enable_jprobe().
Signed-off-by: default avatarMasami Hiramatsu <mhiramat@redhat.com>
Acked-by: default avatarAnanth 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent de5bd88d
......@@ -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
......
......@@ -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 */
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