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-rw-r--r--kernel/rcupreempt.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index 27827931ca0d..59236e8b9daa 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -54,17 +54,9 @@
54#include <linux/cpu.h> 54#include <linux/cpu.h>
55#include <linux/random.h> 55#include <linux/random.h>
56#include <linux/delay.h> 56#include <linux/delay.h>
57#include <linux/byteorder/swabb.h>
58#include <linux/cpumask.h> 57#include <linux/cpumask.h>
59#include <linux/rcupreempt_trace.h> 58#include <linux/rcupreempt_trace.h>
60 59#include <asm/byteorder.h>
61/*
62 * Macro that prevents the compiler from reordering accesses, but does
63 * absolutely -nothing- to prevent CPUs from reordering. This is used
64 * only to mediate communication between mainline code and hardware
65 * interrupt and NMI handlers.
66 */
67#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
68 60
69/* 61/*
70 * PREEMPT_RCU data structures. 62 * PREEMPT_RCU data structures.