linux-kernel - [tip:perf/kprobes] kprobes, sched: Use NOKPROBE

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Date:	Thu, 24 Apr 2014 04:01:09 -0700
From:	tip-bot for Masami Hiramatsu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	masami.hiramatsu.pt@...achi.com, rostedt@...dmis.org,
	peterz@...radead.org, tglx@...utronix.de
Subject: [tip:perf/kprobes] kprobes, sched:
  Use NOKPROBE_SYMBOL macro in sched

Commit-ID:  edafe3a56dbd42c499245b222e9f7e80099356e5
Gitweb:     http://git.kernel.org/tip/edafe3a56dbd42c499245b222e9f7e80099356e5
Author:     Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
AuthorDate: Thu, 17 Apr 2014 17:18:42 +0900
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 24 Apr 2014 10:26:40 +0200

kprobes, sched: Use NOKPROBE_SYMBOL macro in sched

Use NOKPROBE_SYMBOL macro to protect functions from
kprobes instead of __kprobes annotation in sched/core.c.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Reviewed-by: Steven Rostedt <rostedt@...dmis.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: http://lkml.kernel.org/r/20140417081842.26341.83959.stgit@ltc230.yrl.intra.hitachi.co.jp
---
 kernel/sched/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 6863631..00781cc 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2480,7 +2480,7 @@ notrace unsigned long get_parent_ip(unsigned long addr)
 #if defined(CONFIG_PREEMPT) && (defined(CONFIG_DEBUG_PREEMPT) || \
 				defined(CONFIG_PREEMPT_TRACER))
 
-void __kprobes preempt_count_add(int val)
+void preempt_count_add(int val)
 {
 #ifdef CONFIG_DEBUG_PREEMPT
 	/*
@@ -2506,8 +2506,9 @@ void __kprobes preempt_count_add(int val)
 	}
 }
 EXPORT_SYMBOL(preempt_count_add);
+NOKPROBE_SYMBOL(preempt_count_add);
 
-void __kprobes preempt_count_sub(int val)
+void preempt_count_sub(int val)
 {
 #ifdef CONFIG_DEBUG_PREEMPT
 	/*
@@ -2528,6 +2529,7 @@ void __kprobes preempt_count_sub(int val)
 	__preempt_count_sub(val);
 }
 EXPORT_SYMBOL(preempt_count_sub);
+NOKPROBE_SYMBOL(preempt_count_sub);
 
 #endif
 
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