From b76834bc1b6db0a0923eed85c81b1113021b0612 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux.com>
Date: Mon, 6 Dec 2010 11:16:25 -0600
Subject: kprobes: Use this_cpu_ops

Use this_cpu ops in various places to optimize per cpu data access.

Cc: Jason Baron <jbaron@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
 include/linux/kprobes.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index e7d1b2e0070d..0c251e9f0507 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -303,12 +303,12 @@ struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk);
 /* kprobe_running() will just return the current_kprobe on this CPU */
 static inline struct kprobe *kprobe_running(void)
 {
-	return (__get_cpu_var(current_kprobe));
+	return (__this_cpu_read(current_kprobe));
 }
 
 static inline void reset_current_kprobe(void)
 {
-	__get_cpu_var(current_kprobe) = NULL;
+	__this_cpu_write(current_kprobe, NULL);
 }
 
 static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
-- 
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