| /arch/arc/include/asm/ |
| D | spinlock.h | 79 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
101 : [rwlock] "r" (&(rw->counter)), in arch_read_lock()
109 static inline int arch_read_trylock(arch_rwlock_t *rw) in arch_read_trylock() argument
125 : [rwlock] "r" (&(rw->counter)), in arch_read_trylock()
134 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
158 : [rwlock] "r" (&(rw->counter)), in arch_write_lock()
167 static inline int arch_write_trylock(arch_rwlock_t *rw) in arch_write_trylock() argument
183 : [rwlock] "r" (&(rw->counter)), in arch_write_trylock()
193 static inline void arch_read_unlock(arch_rwlock_t *rw) in arch_read_unlock() argument
209 : [rwlock] "r" (&(rw->counter)) in arch_read_unlock()
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| /arch/parisc/include/asm/ |
| D | spinlock.h | 67 static inline int arch_read_trylock(arch_rwlock_t *rw) in arch_read_trylock() argument
73 arch_spin_lock(&(rw->lock_mutex)); in arch_read_trylock()
79 if (rw->counter > 0) { in arch_read_trylock()
80 rw->counter--; in arch_read_trylock()
84 arch_spin_unlock(&(rw->lock_mutex)); in arch_read_trylock()
91 static inline int arch_write_trylock(arch_rwlock_t *rw) in arch_write_trylock() argument
97 arch_spin_lock(&(rw->lock_mutex)); in arch_write_trylock()
105 if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) { in arch_write_trylock()
106 rw->counter = 0; in arch_write_trylock()
109 arch_spin_unlock(&(rw->lock_mutex)); in arch_write_trylock()
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| /arch/sh/include/asm/ |
| D | spinlock-cas.h | 52 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
55 do old = rw->lock; in arch_read_lock()
56 while (!old || __sl_cas(&rw->lock, old, old-1) != old); in arch_read_lock()
59 static inline void arch_read_unlock(arch_rwlock_t *rw) in arch_read_unlock() argument
62 do old = rw->lock; in arch_read_unlock()
63 while (__sl_cas(&rw->lock, old, old+1) != old); in arch_read_unlock()
66 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
68 while (__sl_cas(&rw->lock, RW_LOCK_BIAS, 0) != RW_LOCK_BIAS); in arch_write_lock()
71 static inline void arch_write_unlock(arch_rwlock_t *rw) in arch_write_unlock() argument
73 __sl_cas(&rw->lock, 0, RW_LOCK_BIAS); in arch_write_unlock()
[all …]
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| D | spinlock-llsc.h | 90 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
103 : "r" (&rw->lock) in arch_read_lock()
108 static inline void arch_read_unlock(arch_rwlock_t *rw) in arch_read_unlock() argument
119 : "r" (&rw->lock) in arch_read_unlock()
124 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
137 : "r" (&rw->lock), "r" (RW_LOCK_BIAS) in arch_write_lock()
142 static inline void arch_write_unlock(arch_rwlock_t *rw) in arch_write_unlock() argument
147 : "r" (&rw->lock), "r" (RW_LOCK_BIAS) in arch_write_unlock()
152 static inline int arch_read_trylock(arch_rwlock_t *rw) in arch_read_trylock() argument
168 : "r" (&rw->lock) in arch_read_trylock()
[all …]
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| /arch/s390/include/asm/ |
| D | spinlock.h | 106 #define arch_read_relax(rw) barrier() argument
107 #define arch_write_relax(rw) barrier() argument
112 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
116 old = __atomic_add(1, &rw->cnts); in arch_read_lock()
118 arch_read_lock_wait(rw); in arch_read_lock()
121 static inline void arch_read_unlock(arch_rwlock_t *rw) in arch_read_unlock() argument
123 __atomic_add_const_barrier(-1, &rw->cnts); in arch_read_unlock()
126 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
128 if (!__atomic_cmpxchg_bool(&rw->cnts, 0, 0x30000)) in arch_write_lock()
129 arch_write_lock_wait(rw); in arch_write_lock()
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| /arch/powerpc/include/asm/ |
| D | simple_spinlock.h | 178 static inline long __arch_read_trylock(arch_rwlock_t *rw) in __arch_read_trylock() argument
192 : "r" (&rw->lock), [eh] "n" (eh) in __arch_read_trylock()
202 static inline long __arch_write_trylock(arch_rwlock_t *rw) in __arch_write_trylock() argument
216 : "r" (token), "r" (&rw->lock), [eh] "n" (eh) in __arch_write_trylock()
222 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
225 if (likely(__arch_read_trylock(rw) > 0)) in arch_read_lock()
230 splpar_rw_yield(rw); in arch_read_lock()
231 } while (unlikely(rw->lock < 0)); in arch_read_lock()
236 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
239 if (likely(__arch_write_trylock(rw) == 0)) in arch_write_lock()
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| /arch/arm/include/asm/ |
| D | spinlock.h | 139 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
143 prefetchw(&rw->lock); in arch_write_lock()
152 : "r" (&rw->lock), "r" (0x80000000) in arch_write_lock()
158 static inline int arch_write_trylock(arch_rwlock_t *rw) in arch_write_trylock() argument
162 prefetchw(&rw->lock); in arch_write_trylock()
170 : "r" (&rw->lock), "r" (0x80000000) in arch_write_trylock()
182 static inline void arch_write_unlock(arch_rwlock_t *rw) in arch_write_unlock() argument
189 : "r" (&rw->lock), "r" (0) in arch_write_unlock()
207 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
211 prefetchw(&rw->lock); in arch_read_lock()
[all …]
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| /arch/sparc/include/asm/ |
| D | spinlock_32.h | 79 static inline void __arch_read_lock(arch_rwlock_t *rw) in __arch_read_lock() argument
82 lp = rw; in __arch_read_lock()
99 static inline void __arch_read_unlock(arch_rwlock_t *rw) in __arch_read_unlock() argument
102 lp = rw; in __arch_read_unlock()
119 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
122 lp = rw; in arch_write_lock()
142 static inline int arch_write_trylock(arch_rwlock_t *rw) in arch_write_trylock() argument
148 : "r" (&rw->lock) in arch_write_trylock()
152 val = rw->lock & ~0xff; in arch_write_trylock()
154 ((volatile u8*)&rw->lock)[3] = 0; in arch_write_trylock()
[all …]
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| /arch/sparc/kernel/ |
| D | process_32.c | 119 struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14]; in show_regs() local
135 rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], in show_regs()
136 rw->locals[4], rw->locals[5], rw->locals[6], rw->locals[7]); in show_regs()
138 rw->ins[0], rw->ins[1], rw->ins[2], rw->ins[3], in show_regs()
139 rw->ins[4], rw->ins[5], rw->ins[6], rw->ins[7]); in show_regs()
150 struct reg_window32 *rw; in show_stack() local
166 rw = (struct reg_window32 *) fp; in show_stack()
167 pc = rw->ins[7]; in show_stack()
170 fp = rw->ins[6]; in show_stack()
373 struct reg_window32 *rw; local
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| D | process_64.c | 107 struct reg_window32 __user *rw; in show_regwindow32() local
112 rw = compat_ptr((unsigned int)regs->u_regs[14]); in show_regwindow32()
115 if (copy_from_user (&r_w, rw, sizeof(r_w))) { in show_regwindow32()
136 struct reg_window __user *rw; in show_regwindow() local
143 rw = (struct reg_window __user *) in show_regwindow()
150 if (copy_from_user (&r_w, rw, sizeof(r_w))) { in show_regwindow()
215 struct reg_window *rw; in __global_reg_self() local
217 rw = (struct reg_window *) in __global_reg_self()
219 if (kstack_valid(tp, (unsigned long) rw)) { in __global_reg_self()
220 rp->i7 = rw->ins[7]; in __global_reg_self()
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| D | traps_32.c | 72 struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP]; in die_if_kernel() local
78 while(rw && in die_if_kernel()
80 (((unsigned long) rw) >= PAGE_OFFSET) && in die_if_kernel()
81 !(((unsigned long) rw) & 0x7)) { in die_if_kernel()
82 printk("Caller[%08lx]: %pS\n", rw->ins[7], in die_if_kernel()
83 (void *) rw->ins[7]); in die_if_kernel()
84 rw = (struct reg_window32 *)rw->ins[6]; in die_if_kernel()
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| /arch/ia64/include/asm/ |
| D | spinlock.h | 165 #define arch_read_lock_flags(rw, flags) arch_read_lock(rw) argument
167 #define arch_read_lock(rw) \ argument
169 arch_rwlock_t *__read_lock_ptr = (rw); \
180 #define arch_read_unlock(rw) \ argument
182 arch_rwlock_t *__read_lock_ptr = (rw); \
214 #define arch_write_lock(rw) arch_write_lock_flags(rw, 0) argument
216 #define arch_write_trylock(rw) \ argument
224 : "=r"(result) : "r"(rw) : "ar.ccv", "r29", "memory"); \
248 #define arch_write_trylock(rw) \ argument
252 ia64_val = ia64_cmpxchg4_acq((__u32 *)(rw), ia64_set_val, 0); \
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| D | syscall.h | 59 struct pt_regs *regs, unsigned long *args, int rw);
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| /arch/s390/lib/ |
| D | spinlock.c | 269 void arch_read_lock_wait(arch_rwlock_t *rw) in arch_read_lock_wait() argument
272 while (READ_ONCE(rw->cnts) & 0x10000) in arch_read_lock_wait()
278 __atomic_add_const(-1, &rw->cnts); in arch_read_lock_wait()
280 arch_spin_lock(&rw->wait); in arch_read_lock_wait()
282 __atomic_add_const(1, &rw->cnts); in arch_read_lock_wait()
284 while (READ_ONCE(rw->cnts) & 0x10000) in arch_read_lock_wait()
286 arch_spin_unlock(&rw->wait); in arch_read_lock_wait()
290 void arch_write_lock_wait(arch_rwlock_t *rw) in arch_write_lock_wait() argument
295 __atomic_add(0x20000, &rw->cnts); in arch_write_lock_wait()
298 arch_spin_lock(&rw->wait); in arch_write_lock_wait()
[all …]
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| /arch/riscv/include/asm/ |
| D | barrier.h | 26 #define __smp_mb() RISCV_FENCE(rw,rw)
33 RISCV_FENCE(rw,w); \
41 RISCV_FENCE(r,rw); \
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| /arch/powerpc/lib/ |
| D | locks.c | 46 void splpar_rw_yield(arch_rwlock_t *rw) in splpar_rw_yield() argument
51 lock_value = rw->lock; in splpar_rw_yield()
61 if (rw->lock != lock_value) in splpar_rw_yield()
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| /arch/sh/drivers/pci/ |
| D | common.c | 33 #define EARLY_PCI_OP(rw, size, type) \ argument
34 int __init early_##rw##_config_##size(struct pci_channel *hose, \
37 return pci_##rw##_config_##size( \
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| /arch/x86/kvm/ |
| D | trace.h | 154 TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
156 TP_ARGS(rw, port, size, count, data),
159 __field( unsigned int, rw )
167 __entry->rw = rw;
180 __entry->rw ? "write" : "read",
254 TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
255 TP_ARGS(rw, reg, val),
258 __field( unsigned int, rw )
264 __entry->rw = rw;
270 __entry->rw ? "write" : "read",
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| /arch/xtensa/boot/dts/ |
| D | kc705_nommu.dts | 9 …arlycon=uart8250,mmio32,0x9d050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug";
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| D | kc705.dts | 9 …o32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000…
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| /arch/arm/boot/dts/ |
| D | usb_a9g20_common.dtsi | 13 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
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| D | usb_a9260.dts | 16 bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
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| D | vf610m4-colibri.dts | 16 bootargs = "clk_ignore_unused init=/linuxrc rw";
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| D | aspeed-bmc-facebook-galaxy100.dts | 13 bootargs = "console=ttyS0,9600n8 root=/dev/ram rw";
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| D | aspeed-bmc-facebook-wedge100.dts | 13 bootargs = "console=ttyS2,9600n8 root=/dev/ram rw";
|