From: Masami Hiramatsu <mhiramat@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>
Cc: x86@kernel.org, Masami Hiramatsu <mhiramat@kernel.org>,
Yang Bo <yangbo@deepin.com>, Ingo Molnar <mingo@redhat.com>,
"H . Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org,
Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Steven Rostedt <rostedt@goodmis.org>,
Laura Abbott <labbott@redhat.com>, Josef Bacik <jbacik@fb.com>,
Alexei Starovoitov <ast@kernel.org>
Subject: [RFC PATCH -tip 3/9] kprobes: Remove jprobe data structure and interfaces
Date: Fri, 9 Mar 2018 21:36:47 +0900 [thread overview]
Message-ID: <152059900768.4214.1382786082808054746.stgit@devbox> (raw)
In-Reply-To: <152059891712.4214.9539716544254881611.stgit@devbox>
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)
{
next prev parent reply other threads:[~2018-03-09 12:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 12:35 [RFC PATCH -tip 0/9] kprobes: Cleanup jprobe implementation Masami Hiramatsu
2018-03-09 12:35 ` [RFC PATCH -tip 1/9] kprobes: Remove jprobe API implementation Masami Hiramatsu
2018-03-09 12:36 ` [RFC PATCH -tip 2/9] x86: kprobes: Remove jprobe implementation Masami Hiramatsu
2018-03-09 12:36 ` Masami Hiramatsu [this message]
2018-03-09 12:37 ` [RFC PATCH -tip 4/9] kprobes: Ignore break_handler Masami Hiramatsu
2018-03-09 12:37 ` [RFC PATCH -tip 5/9] x86: " Masami Hiramatsu
2018-03-09 12:38 ` [RFC PATCH -tip 6/9] kprobes: Remove break_handler from struct kprobe Masami Hiramatsu
2018-03-09 12:38 ` [RFC PATCH -tip 7/9] x86: kprobes: Do not disable preempt on int3 path Masami Hiramatsu
2018-03-09 12:39 ` [RFC PATCH -tip 8/9] error-injection: Fix to not enabling preemption in pre_handler Masami Hiramatsu
2018-03-10 8:22 ` Ingo Molnar
2018-03-11 15:05 ` Masami Hiramatsu
2018-03-09 12:39 ` [RFC PATCH -tip 9/9] tracing: kprobes: Fix to not enabling preemption Masami Hiramatsu
2018-03-09 23:54 ` [RFC PATCH -tip 0/9] kprobes: Cleanup jprobe implementation Steven Rostedt
2018-03-10 13:55 ` Masami Hiramatsu
2018-03-10 8:24 ` Ingo Molnar
2018-03-11 15:13 ` Masami Hiramatsu
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