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Diffstat (limited to 'arch/s390/lib/spinlock.c')
-rw-r--r--arch/s390/lib/spinlock.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index f7e0d30250b7..10754a375668 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -39,7 +39,7 @@ static inline void _raw_yield_cpu(int cpu)
39 _raw_yield(); 39 _raw_yield();
40} 40}
41 41
42void _raw_spin_lock_wait(raw_spinlock_t *lp) 42void arch_spin_lock_wait(arch_spinlock_t *lp)
43{ 43{
44 int count = spin_retry; 44 int count = spin_retry;
45 unsigned int cpu = ~smp_processor_id(); 45 unsigned int cpu = ~smp_processor_id();
@@ -51,15 +51,15 @@ void _raw_spin_lock_wait(raw_spinlock_t *lp)
51 _raw_yield_cpu(~owner); 51 _raw_yield_cpu(~owner);
52 count = spin_retry; 52 count = spin_retry;
53 } 53 }
54 if (__raw_spin_is_locked(lp)) 54 if (arch_spin_is_locked(lp))
55 continue; 55 continue;
56 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) 56 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
57 return; 57 return;
58 } 58 }
59} 59}
60EXPORT_SYMBOL(_raw_spin_lock_wait); 60EXPORT_SYMBOL(arch_spin_lock_wait);
61 61
62void _raw_spin_lock_wait_flags(raw_spinlock_t *lp, unsigned long flags) 62void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
63{ 63{
64 int count = spin_retry; 64 int count = spin_retry;
65 unsigned int cpu = ~smp_processor_id(); 65 unsigned int cpu = ~smp_processor_id();
@@ -72,7 +72,7 @@ void _raw_spin_lock_wait_flags(raw_spinlock_t *lp, unsigned long flags)
72 _raw_yield_cpu(~owner); 72 _raw_yield_cpu(~owner);
73 count = spin_retry; 73 count = spin_retry;
74 } 74 }
75 if (__raw_spin_is_locked(lp)) 75 if (arch_spin_is_locked(lp))
76 continue; 76 continue;
77 local_irq_disable(); 77 local_irq_disable();
78 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) 78 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
@@ -80,32 +80,32 @@ void _raw_spin_lock_wait_flags(raw_spinlock_t *lp, unsigned long flags)
80 local_irq_restore(flags); 80 local_irq_restore(flags);
81 } 81 }
82} 82}
83EXPORT_SYMBOL(_raw_spin_lock_wait_flags); 83EXPORT_SYMBOL(arch_spin_lock_wait_flags);
84 84
85int _raw_spin_trylock_retry(raw_spinlock_t *lp) 85int arch_spin_trylock_retry(arch_spinlock_t *lp)
86{ 86{
87 unsigned int cpu = ~smp_processor_id(); 87 unsigned int cpu = ~smp_processor_id();
88 int count; 88 int count;
89 89
90 for (count = spin_retry; count > 0; count--) { 90 for (count = spin_retry; count > 0; count--) {
91 if (__raw_spin_is_locked(lp)) 91 if (arch_spin_is_locked(lp))
92 continue; 92 continue;
93 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0) 93 if (_raw_compare_and_swap(&lp->owner_cpu, 0, cpu) == 0)
94 return 1; 94 return 1;
95 } 95 }
96 return 0; 96 return 0;
97} 97}
98EXPORT_SYMBOL(_raw_spin_trylock_retry); 98EXPORT_SYMBOL(arch_spin_trylock_retry);
99 99
100void _raw_spin_relax(raw_spinlock_t *lock) 100void arch_spin_relax(arch_spinlock_t *lock)
101{ 101{
102 unsigned int cpu = lock->owner_cpu; 102 unsigned int cpu = lock->owner_cpu;
103 if (cpu != 0) 103 if (cpu != 0)
104 _raw_yield_cpu(~cpu); 104 _raw_yield_cpu(~cpu);
105} 105}
106EXPORT_SYMBOL(_raw_spin_relax); 106EXPORT_SYMBOL(arch_spin_relax);
107 107
108void _raw_read_lock_wait(raw_rwlock_t *rw) 108void _raw_read_lock_wait(arch_rwlock_t *rw)
109{ 109{
110 unsigned int old; 110 unsigned int old;
111 int count = spin_retry; 111 int count = spin_retry;
@@ -115,7 +115,7 @@ void _raw_read_lock_wait(raw_rwlock_t *rw)
115 _raw_yield(); 115 _raw_yield();
116 count = spin_retry; 116 count = spin_retry;
117 } 117 }
118 if (!__raw_read_can_lock(rw)) 118 if (!arch_read_can_lock(rw))
119 continue; 119 continue;
120 old = rw->lock & 0x7fffffffU; 120 old = rw->lock & 0x7fffffffU;
121 if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) 121 if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
@@ -124,7 +124,7 @@ void _raw_read_lock_wait(raw_rwlock_t *rw)
124} 124}
125EXPORT_SYMBOL(_raw_read_lock_wait); 125EXPORT_SYMBOL(_raw_read_lock_wait);
126 126
127void _raw_read_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags) 127void _raw_read_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
128{ 128{
129 unsigned int old; 129 unsigned int old;
130 int count = spin_retry; 130 int count = spin_retry;
@@ -135,7 +135,7 @@ void _raw_read_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
135 _raw_yield(); 135 _raw_yield();
136 count = spin_retry; 136 count = spin_retry;
137 } 137 }
138 if (!__raw_read_can_lock(rw)) 138 if (!arch_read_can_lock(rw))
139 continue; 139 continue;
140 old = rw->lock & 0x7fffffffU; 140 old = rw->lock & 0x7fffffffU;
141 local_irq_disable(); 141 local_irq_disable();
@@ -145,13 +145,13 @@ void _raw_read_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
145} 145}
146EXPORT_SYMBOL(_raw_read_lock_wait_flags); 146EXPORT_SYMBOL(_raw_read_lock_wait_flags);
147 147
148int _raw_read_trylock_retry(raw_rwlock_t *rw) 148int _raw_read_trylock_retry(arch_rwlock_t *rw)
149{ 149{
150 unsigned int old; 150 unsigned int old;
151 int count = spin_retry; 151 int count = spin_retry;
152 152
153 while (count-- > 0) { 153 while (count-- > 0) {
154 if (!__raw_read_can_lock(rw)) 154 if (!arch_read_can_lock(rw))
155 continue; 155 continue;
156 old = rw->lock & 0x7fffffffU; 156 old = rw->lock & 0x7fffffffU;
157 if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old) 157 if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
@@ -161,7 +161,7 @@ int _raw_read_trylock_retry(raw_rwlock_t *rw)
161} 161}
162EXPORT_SYMBOL(_raw_read_trylock_retry); 162EXPORT_SYMBOL(_raw_read_trylock_retry);
163 163
164void _raw_write_lock_wait(raw_rwlock_t *rw) 164void _raw_write_lock_wait(arch_rwlock_t *rw)
165{ 165{
166 int count = spin_retry; 166 int count = spin_retry;
167 167
@@ -170,7 +170,7 @@ void _raw_write_lock_wait(raw_rwlock_t *rw)
170 _raw_yield(); 170 _raw_yield();
171 count = spin_retry; 171 count = spin_retry;
172 } 172 }
173 if (!__raw_write_can_lock(rw)) 173 if (!arch_write_can_lock(rw))
174 continue; 174 continue;
175 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) 175 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
176 return; 176 return;
@@ -178,7 +178,7 @@ void _raw_write_lock_wait(raw_rwlock_t *rw)
178} 178}
179EXPORT_SYMBOL(_raw_write_lock_wait); 179EXPORT_SYMBOL(_raw_write_lock_wait);
180 180
181void _raw_write_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags) 181void _raw_write_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
182{ 182{
183 int count = spin_retry; 183 int count = spin_retry;
184 184
@@ -188,7 +188,7 @@ void _raw_write_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
188 _raw_yield(); 188 _raw_yield();
189 count = spin_retry; 189 count = spin_retry;
190 } 190 }
191 if (!__raw_write_can_lock(rw)) 191 if (!arch_write_can_lock(rw))
192 continue; 192 continue;
193 local_irq_disable(); 193 local_irq_disable();
194 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) 194 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
@@ -197,12 +197,12 @@ void _raw_write_lock_wait_flags(raw_rwlock_t *rw, unsigned long flags)
197} 197}
198EXPORT_SYMBOL(_raw_write_lock_wait_flags); 198EXPORT_SYMBOL(_raw_write_lock_wait_flags);
199 199
200int _raw_write_trylock_retry(raw_rwlock_t *rw) 200int _raw_write_trylock_retry(arch_rwlock_t *rw)
201{ 201{
202 int count = spin_retry; 202 int count = spin_retry;
203 203
204 while (count-- > 0) { 204 while (count-- > 0) {
205 if (!__raw_write_can_lock(rw)) 205 if (!arch_write_can_lock(rw))
206 continue; 206 continue;
207 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0) 207 if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
208 return 1; 208 return 1;