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/arch/arc/include/asm/
A Dspinlock.h101 : [rwlock] "r" (&(rw->counter)), in arch_read_lock()
125 : [rwlock] "r" (&(rw->counter)), in arch_read_trylock()
158 : [rwlock] "r" (&(rw->counter)), in arch_write_lock()
183 : [rwlock] "r" (&(rw->counter)), in arch_write_trylock()
209 : [rwlock] "r" (&(rw->counter)) in arch_read_unlock()
310 if (rw->counter > 0) { in arch_read_trylock()
311 rw->counter--; in arch_read_trylock()
337 rw->counter = 0; in arch_write_trylock()
348 while (!arch_read_trylock(rw)) in arch_read_lock()
354 while (!arch_write_trylock(rw)) in arch_write_lock()
[all …]
/arch/parisc/include/asm/
A Dspinlock.h85 arch_spin_lock(&(rw->lock_mutex)); in arch_read_trylock()
91 if (rw->counter > 0) { in arch_read_trylock()
92 rw->counter--; in arch_read_trylock()
96 arch_spin_unlock(&(rw->lock_mutex)); in arch_read_trylock()
109 arch_spin_lock(&(rw->lock_mutex)); in arch_write_trylock()
118 rw->counter = 0; in arch_write_trylock()
129 while (!arch_read_trylock(rw)) in arch_read_lock()
135 while (!arch_write_trylock(rw)) in arch_write_lock()
144 arch_spin_lock(&(rw->lock_mutex)); in arch_read_unlock()
145 rw->counter++; in arch_read_unlock()
[all …]
/arch/sh/include/asm/
A Dspinlock-cas.h52 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
55 do old = rw->lock; 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
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()
76 static inline int arch_read_trylock(arch_rwlock_t *rw) in arch_read_trylock() argument
79 do old = rw->lock; in arch_read_trylock()
[all …]
A Dspinlock-llsc.h90 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 …]
/arch/powerpc/include/asm/
A Dsimple_spinlock.h173 : "r" (&rw->lock), [eh] "n" (eh) in __arch_read_trylock()
206 if (likely(__arch_read_trylock(rw) > 0)) in arch_read_lock()
211 splpar_rw_yield(rw); in arch_read_lock()
212 } while (unlikely(rw->lock < 0)); in arch_read_lock()
220 if (likely(__arch_write_trylock(rw) == 0)) in arch_write_lock()
225 splpar_rw_yield(rw); in arch_write_lock()
226 } while (unlikely(rw->lock != 0)); in arch_write_lock()
233 return __arch_read_trylock(rw) > 0; in arch_read_trylock()
238 return __arch_write_trylock(rw) == 0; in arch_write_trylock()
253 : "r"(&rw->lock) in arch_read_unlock()
[all …]
/arch/s390/include/asm/
A Dspinlock.h118 #define arch_read_relax(rw) barrier() argument
119 #define arch_write_relax(rw) barrier() argument
124 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
128 old = __atomic_add(1, &rw->cnts); in arch_read_lock()
130 arch_read_lock_wait(rw); in arch_read_lock()
135 __atomic_add_const_barrier(-1, &rw->cnts); in arch_read_unlock()
142 if (!arch_try_cmpxchg(&rw->cnts, &old, 0x30000)) in arch_write_lock()
143 arch_write_lock_wait(rw); in arch_write_lock()
148 __atomic_add_barrier(-0x30000, &rw->cnts); in arch_write_unlock()
156 old = READ_ONCE(rw->cnts); in arch_read_trylock()
[all …]
/arch/arm/include/asm/
A Dspinlock.h143 prefetchw(&rw->lock); in arch_write_lock()
152 : "r" (&rw->lock), "r" (0x80000000) in arch_write_lock()
162 prefetchw(&rw->lock); in arch_write_trylock()
170 : "r" (&rw->lock), "r" (0x80000000) in arch_write_trylock()
189 : "r" (&rw->lock), "r" (0) in arch_write_unlock()
211 prefetchw(&rw->lock); in arch_read_lock()
221 : "r" (&rw->lock) in arch_read_lock()
233 prefetchw(&rw->lock); in arch_read_unlock()
241 : "r" (&rw->lock) in arch_read_unlock()
252 prefetchw(&rw->lock); in arch_read_trylock()
[all …]
/arch/sparc/include/asm/
A Dspinlock_32.h79 static inline void __arch_read_lock(arch_rwlock_t *rw) in __arch_read_lock() argument
82 lp = rw; in __arch_read_lock()
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()
156 *(volatile u32*)&rw->lock = ~0U; in arch_write_trylock()
[all …]
/arch/sparc/kernel/
A Dprocess_32.c134 rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], in show_regs()
135 rw->locals[4], rw->locals[5], rw->locals[6], rw->locals[7]); in show_regs()
137 rw->ins[0], rw->ins[1], rw->ins[2], rw->ins[3], in show_regs()
138 rw->ins[4], rw->ins[5], rw->ins[6], rw->ins[7]); in show_regs()
149 struct reg_window32 *rw; in show_stack() local
165 rw = (struct reg_window32 *) fp; in show_stack()
166 pc = rw->ins[7]; in show_stack()
169 fp = rw->ins[6]; in show_stack()
372 struct reg_window32 *rw; local
382 pc = rw->ins[7];
[all …]
A Dprocess_64.c108 struct reg_window32 __user *rw; in show_regwindow32() local
132 struct reg_window __user *rw; in show_regwindow() local
206 struct reg_window *rw; in __global_reg_self() local
208 rw = (struct reg_window *) in __global_reg_self()
211 rp->i7 = rw->ins[7]; in __global_reg_self()
212 rw = (struct reg_window *) in __global_reg_self()
213 (rw->ins[6] + STACK_BIAS); in __global_reg_self()
215 rp->rpc = rw->ins[7]; in __global_reg_self()
661 struct reg_window *rw; in __get_wchan() local
673 pc = rw->ins[7]; in __get_wchan()
[all …]
A Dtraps_32.c73 struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP]; in die_if_kernel() local
79 while(rw && in die_if_kernel()
81 (((unsigned long) rw) >= PAGE_OFFSET) && in die_if_kernel()
82 !(((unsigned long) rw) & 0x7)) { in die_if_kernel()
83 printk("Caller[%08lx]: %pS\n", rw->ins[7], in die_if_kernel()
84 (void *) rw->ins[7]); in die_if_kernel()
85 rw = (struct reg_window32 *)rw->ins[6]; in die_if_kernel()
/arch/riscv/include/asm/
A Dfence.h10 #define RISCV_ACQUIRE_BARRIER RISCV_FENCE_ASM(r, rw)
11 #define RISCV_RELEASE_BARRIER RISCV_FENCE_ASM(rw, w)
12 #define RISCV_FULL_BARRIER RISCV_FENCE_ASM(rw, rw)
A Dbarrier.h23 #define __smp_mb() RISCV_FENCE(rw, rw)
57 RISCV_FENCE(rw, w); \
65 RISCV_FENCE(r, rw); \
/arch/s390/lib/
A Dspinlock.c308 void arch_read_lock_wait(arch_rwlock_t *rw) in arch_read_lock_wait() argument
311 while (READ_ONCE(rw->cnts) & 0x10000) in arch_read_lock_wait()
317 __atomic_add_const(-1, &rw->cnts); in arch_read_lock_wait()
319 arch_spin_lock(&rw->wait); in arch_read_lock_wait()
321 __atomic_add_const(1, &rw->cnts); in arch_read_lock_wait()
323 while (READ_ONCE(rw->cnts) & 0x10000) in arch_read_lock_wait()
325 arch_spin_unlock(&rw->wait); in arch_read_lock_wait()
334 __atomic_add(0x20000, &rw->cnts); in arch_write_lock_wait()
337 arch_spin_lock(&rw->wait); in arch_write_lock_wait()
340 old = READ_ONCE(rw->cnts); in arch_write_lock_wait()
[all …]
/arch/powerpc/lib/
A Dlocks.c46 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()
/arch/sh/drivers/pci/
A Dcommon.c33 #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( \
/arch/x86/kvm/
A Dtrace.h181 __field( unsigned int, rw )
189 __entry->rw = rw;
202 __entry->rw ? "write" : "read",
357 TP_ARGS(rw, reg, val),
360 __field( unsigned int, rw )
366 __entry->rw = rw;
560 TP_ARGS(rw, cr, val),
563 __field( unsigned int, rw )
569 __entry->rw = rw;
1558 __field(bool, rw)
[all …]
/arch/x86/mm/pat/
A Dset_memory.c672 bool nx, bool rw) in verify_rwx() argument
695 if (!rw || nx) in verify_rwx()
727 *rw = true; in lookup_address_in_pgd_attr()
734 *rw &= pgd_flags(*pgd) & _PAGE_RW; in lookup_address_in_pgd_attr()
745 *rw &= p4d_flags(*p4d) & _PAGE_RW; in lookup_address_in_pgd_attr()
779 bool nx, rw; in lookup_address_in_pgd() local
935 bool nx, rw; in __should_split_large_page() local
1053 nx, rw); in __should_split_large_page()
1134 bool nx, rw; in __split_large_page() local
1841 bool nx, rw; in __change_page_attr() local
[all …]
/arch/xtensa/boot/dts/
A Dkc705_nommu.dts9 …arlycon=uart8250,mmio32,0x9d050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug";
A Dkc705.dts9 …o32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000…
A Dcsp.dts11 …bootargs = "earlycon=cdns,0xfd000000,115200 console=tty0 console=ttyPS0,115200 root=/dev/ram0 rw e…
/arch/arm/boot/dts/nxp/vf/
A Dvf610m4-colibri.dts16 bootargs = "clk_ignore_unused init=/linuxrc rw";
/arch/arm/boot/dts/aspeed/
A Daspeed-bmc-facebook-galaxy100.dts13 bootargs = "console=ttyS0,9600n8 root=/dev/ram rw";
A Daspeed-bmc-facebook-wedge100.dts13 bootargs = "console=ttyS2,9600n8 root=/dev/ram rw";
A Daspeed-bmc-facebook-wedge40.dts13 bootargs = "console=ttyS2,9600n8 root=/dev/ram rw";

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