diff options
Diffstat (limited to 'lib/atomic64.c')
| -rw-r--r-- | lib/atomic64.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/atomic64.c b/lib/atomic64.c index c5e725562416..8bee16ec7524 100644 --- a/lib/atomic64.c +++ b/lib/atomic64.c | |||
| @@ -13,6 +13,7 @@ | |||
| 13 | #include <linux/cache.h> | 13 | #include <linux/cache.h> |
| 14 | #include <linux/spinlock.h> | 14 | #include <linux/spinlock.h> |
| 15 | #include <linux/init.h> | 15 | #include <linux/init.h> |
| 16 | #include <linux/module.h> | ||
| 16 | #include <asm/atomic.h> | 17 | #include <asm/atomic.h> |
| 17 | 18 | ||
| 18 | /* | 19 | /* |
| @@ -52,6 +53,7 @@ long long atomic64_read(const atomic64_t *v) | |||
| 52 | spin_unlock_irqrestore(lock, flags); | 53 | spin_unlock_irqrestore(lock, flags); |
| 53 | return val; | 54 | return val; |
| 54 | } | 55 | } |
| 56 | EXPORT_SYMBOL(atomic64_read); | ||
| 55 | 57 | ||
| 56 | void atomic64_set(atomic64_t *v, long long i) | 58 | void atomic64_set(atomic64_t *v, long long i) |
| 57 | { | 59 | { |
| @@ -62,6 +64,7 @@ void atomic64_set(atomic64_t *v, long long i) | |||
| 62 | v->counter = i; | 64 | v->counter = i; |
| 63 | spin_unlock_irqrestore(lock, flags); | 65 | spin_unlock_irqrestore(lock, flags); |
| 64 | } | 66 | } |
| 67 | EXPORT_SYMBOL(atomic64_set); | ||
| 65 | 68 | ||
| 66 | void atomic64_add(long long a, atomic64_t *v) | 69 | void atomic64_add(long long a, atomic64_t *v) |
| 67 | { | 70 | { |
| @@ -72,6 +75,7 @@ void atomic64_add(long long a, atomic64_t *v) | |||
| 72 | v->counter += a; | 75 | v->counter += a; |
| 73 | spin_unlock_irqrestore(lock, flags); | 76 | spin_unlock_irqrestore(lock, flags); |
| 74 | } | 77 | } |
| 78 | EXPORT_SYMBOL(atomic64_add); | ||
| 75 | 79 | ||
| 76 | long long atomic64_add_return(long long a, atomic64_t *v) | 80 | long long atomic64_add_return(long long a, atomic64_t *v) |
| 77 | { | 81 | { |
| @@ -84,6 +88,7 @@ long long atomic64_add_return(long long a, atomic64_t *v) | |||
| 84 | spin_unlock_irqrestore(lock, flags); | 88 | spin_unlock_irqrestore(lock, flags); |
| 85 | return val; | 89 | return val; |
| 86 | } | 90 | } |
| 91 | EXPORT_SYMBOL(atomic64_add_return); | ||
| 87 | 92 | ||
| 88 | void atomic64_sub(long long a, atomic64_t *v) | 93 | void atomic64_sub(long long a, atomic64_t *v) |
| 89 | { | 94 | { |
| @@ -94,6 +99,7 @@ void atomic64_sub(long long a, atomic64_t *v) | |||
| 94 | v->counter -= a; | 99 | v->counter -= a; |
| 95 | spin_unlock_irqrestore(lock, flags); | 100 | spin_unlock_irqrestore(lock, flags); |
| 96 | } | 101 | } |
| 102 | EXPORT_SYMBOL(atomic64_sub); | ||
| 97 | 103 | ||
| 98 | long long atomic64_sub_return(long long a, atomic64_t *v) | 104 | long long atomic64_sub_return(long long a, atomic64_t *v) |
| 99 | { | 105 | { |
| @@ -106,6 +112,7 @@ long long atomic64_sub_return(long long a, atomic64_t *v) | |||
| 106 | spin_unlock_irqrestore(lock, flags); | 112 | spin_unlock_irqrestore(lock, flags); |
| 107 | return val; | 113 | return val; |
| 108 | } | 114 | } |
| 115 | EXPORT_SYMBOL(atomic64_sub_return); | ||
| 109 | 116 | ||
| 110 | long long atomic64_dec_if_positive(atomic64_t *v) | 117 | long long atomic64_dec_if_positive(atomic64_t *v) |
| 111 | { | 118 | { |
| @@ -120,6 +127,7 @@ long long atomic64_dec_if_positive(atomic64_t *v) | |||
| 120 | spin_unlock_irqrestore(lock, flags); | 127 | spin_unlock_irqrestore(lock, flags); |
| 121 | return val; | 128 | return val; |
| 122 | } | 129 | } |
| 130 | EXPORT_SYMBOL(atomic64_dec_if_positive); | ||
| 123 | 131 | ||
| 124 | long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n) | 132 | long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n) |
| 125 | { | 133 | { |
| @@ -134,6 +142,7 @@ long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n) | |||
| 134 | spin_unlock_irqrestore(lock, flags); | 142 | spin_unlock_irqrestore(lock, flags); |
| 135 | return val; | 143 | return val; |
| 136 | } | 144 | } |
| 145 | EXPORT_SYMBOL(atomic64_cmpxchg); | ||
| 137 | 146 | ||
| 138 | long long atomic64_xchg(atomic64_t *v, long long new) | 147 | long long atomic64_xchg(atomic64_t *v, long long new) |
| 139 | { | 148 | { |
| @@ -147,6 +156,7 @@ long long atomic64_xchg(atomic64_t *v, long long new) | |||
| 147 | spin_unlock_irqrestore(lock, flags); | 156 | spin_unlock_irqrestore(lock, flags); |
| 148 | return val; | 157 | return val; |
| 149 | } | 158 | } |
| 159 | EXPORT_SYMBOL(atomic64_xchg); | ||
| 150 | 160 | ||
| 151 | int atomic64_add_unless(atomic64_t *v, long long a, long long u) | 161 | int atomic64_add_unless(atomic64_t *v, long long a, long long u) |
| 152 | { | 162 | { |
| @@ -162,6 +172,7 @@ int atomic64_add_unless(atomic64_t *v, long long a, long long u) | |||
| 162 | spin_unlock_irqrestore(lock, flags); | 172 | spin_unlock_irqrestore(lock, flags); |
| 163 | return ret; | 173 | return ret; |
| 164 | } | 174 | } |
| 175 | EXPORT_SYMBOL(atomic64_add_unless); | ||
| 165 | 176 | ||
| 166 | static int init_atomic64_lock(void) | 177 | static int init_atomic64_lock(void) |
| 167 | { | 178 | { |
