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Subject[RFC PATCH -tip 3/9] kprobes: Remove jprobe data structure and interfaces
Date
Remove all interfaces of jprobe since it is no more
used.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
include/linux/kprobes.h | 44 --------------------------------------------
1 file changed, 44 deletions(-)

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index b520baa65682..f7a6c398b4bf 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -155,24 +155,6 @@ static inline int kprobe_ftrace(struct kprobe *p)
}

/*
- * Special probe type that uses setjmp-longjmp type tricks to resume
- * execution at a specified entry with a matching prototype corresponding
- * to the probed function - a trick to enable arguments to become
- * accessible seamlessly by probe handling logic.
- * Note:
- * Because of the way compilers allocate stack space for local variables
- * etc upfront, regardless of sub-scopes within a function, this mirroring
- * principle currently works only for probes placed on function entry points.
- */
-struct jprobe {
- struct kprobe kp;
- void *entry; /* probe handling code to jump to */
-};
-
-/* For backward compatibility with old code using JPROBE_ENTRY() */
-#define JPROBE_ENTRY(handler) (handler)
-
-/*
* Function-return probe -
* Note:
* User needs to provide a handler function, and initialize maxactive.
@@ -436,9 +418,6 @@ static inline void unregister_kprobe(struct kprobe *p)
static inline void unregister_kprobes(struct kprobe **kps, int num)
{
}
-static inline void jprobe_return(void)
-{
-}
static inline int register_kretprobe(struct kretprobe *rp)
{
return -ENOSYS;
@@ -465,20 +444,6 @@ static inline int enable_kprobe(struct kprobe *kp)
return -ENOSYS;
}
#endif /* CONFIG_KPROBES */
-static inline int register_jprobe(struct jprobe *p)
-{
- return -ENOSYS;
-}
-static inline int register_jprobes(struct jprobe **jps, int num)
-{
- return -ENOSYS;
-}
-static inline void unregister_jprobe(struct jprobe *p)
-{
-}
-static inline void unregister_jprobes(struct jprobe **jps, int num)
-{
-}
static inline int disable_kretprobe(struct kretprobe *rp)
{
return disable_kprobe(&rp->kp);
@@ -487,15 +452,6 @@ static inline int enable_kretprobe(struct kretprobe *rp)
{
return enable_kprobe(&rp->kp);
}
-static inline int disable_jprobe(struct jprobe *jp)
-{
- return -ENOSYS;
-}
-static inline int enable_jprobe(struct jprobe *jp)
-{
- return -ENOSYS;
-}
-
#ifndef CONFIG_KPROBES
static inline bool is_kprobe_insn_slot(unsigned long addr)
{
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