aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-alpha/system.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-alpha/system.h')
-rw-r--r--include/asm-alpha/system.h31
1 files changed, 1 insertions, 30 deletions
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index bdb4d66418f1..050e86d12891 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -4,6 +4,7 @@
4#include <linux/config.h> 4#include <linux/config.h>
5#include <asm/pal.h> 5#include <asm/pal.h>
6#include <asm/page.h> 6#include <asm/page.h>
7#include <asm/barrier.h>
7 8
8/* 9/*
9 * System defines.. Note that this is included both from .c and .S 10 * System defines.. Note that this is included both from .c and .S
@@ -139,36 +140,6 @@ extern void halt(void) __attribute__((noreturn));
139struct task_struct; 140struct task_struct;
140extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); 141extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*);
141 142
142#define mb() \
143__asm__ __volatile__("mb": : :"memory")
144
145#define rmb() \
146__asm__ __volatile__("mb": : :"memory")
147
148#define wmb() \
149__asm__ __volatile__("wmb": : :"memory")
150
151#define read_barrier_depends() \
152__asm__ __volatile__("mb": : :"memory")
153
154#ifdef CONFIG_SMP
155#define smp_mb() mb()
156#define smp_rmb() rmb()
157#define smp_wmb() wmb()
158#define smp_read_barrier_depends() read_barrier_depends()
159#else
160#define smp_mb() barrier()
161#define smp_rmb() barrier()
162#define smp_wmb() barrier()
163#define smp_read_barrier_depends() barrier()
164#endif
165
166#define set_mb(var, value) \
167do { var = value; mb(); } while (0)
168
169#define set_wmb(var, value) \
170do { var = value; wmb(); } while (0)
171
172#define imb() \ 143#define imb() \
173__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") 144__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
174 145