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/arch/sh/include/asm/
A Dbitops-cas.h22 do old = *a; in set_bit()
23 while (__bo_cas(a, old, old|mask) != old); in set_bit()
34 do old = *a; in clear_bit()
35 while (__bo_cas(a, old, old&~mask) != old); in clear_bit()
46 do old = *a; in change_bit()
47 while (__bo_cas(a, old, old^mask) != old); in change_bit()
58 do old = *a; in test_and_set_bit()
59 while (__bo_cas(a, old, old|mask) != old); in test_and_set_bit()
72 do old = *a; in test_and_clear_bit()
73 while (__bo_cas(a, old, old&~mask) != old); in test_and_clear_bit()
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A Dspinlock-cas.h17 : "r"(old), "z"(p) in __sl_cas()
54 unsigned old; in arch_read_lock() local
55 do old = rw->lock; in arch_read_lock()
56 while (!old || __sl_cas(&rw->lock, old, old-1) != old); in arch_read_lock()
61 unsigned old; in arch_read_unlock() local
62 do old = rw->lock; in arch_read_unlock()
63 while (__sl_cas(&rw->lock, old, old+1) != old); in arch_read_unlock()
78 unsigned old; in arch_read_trylock() local
79 do old = rw->lock; in arch_read_trylock()
80 while (old && __sl_cas(&rw->lock, old, old-1) != old); in arch_read_trylock()
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A Dcmpxchg-cas.h6 __cmpxchg_u32(volatile u32 *m, unsigned long old, unsigned long new) in __cmpxchg_u32() argument
10 : "r"(old), "z"(m) in __cmpxchg_u32()
17 unsigned long old; in xchg_u32() local
18 do old = *m; in xchg_u32()
19 while (__cmpxchg_u32(m, old, val) != old); in xchg_u32()
20 return old; in xchg_u32()
/arch/s390/include/asm/
A Dcmpxchg.h22 : [old] "+d" (old), [ptr] "+Q" (*(u32 *)ptr) in __cs_asm()
25 return old; in __cs_asm()
32 : [old] "+d" (old), [ptr] "+QS" (*(u64 *)ptr) in __csg_asm()
35 return old; in __csg_asm()
58 return old; in __arch_cmpxchg1()
81 return old; in __arch_cmpxchg2()
93 return old; in __arch_cmpxchg()
218 return old; in __arch_xchg()
225 return old; in __arch_xchg()
245 : [old] "+d" (old), [ptr] "+QS" (*ptr) in arch_cmpxchg128()
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A Dspinlock.h76 int old = 0; in arch_spin_trylock_once() local
126 int old; in arch_read_lock() local
128 old = __atomic_add(1, &rw->cnts); in arch_read_lock()
129 if (old & 0xffff0000) in arch_read_lock()
140 int old = 0; in arch_write_lock() local
154 int old; in arch_read_trylock() local
156 old = READ_ONCE(rw->cnts); in arch_read_trylock()
157 return (!(old & 0xffff0000) && arch_try_cmpxchg(&rw->cnts, &old, old + 1)); in arch_read_trylock()
162 int old; in arch_write_trylock() local
164 old = READ_ONCE(rw->cnts); in arch_write_trylock()
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A Dfutex.h14 __futex_atomic_##name(int oparg, int *old, u32 __user *uaddr) \
19 instrument_copy_from_user_before(old, uaddr, sizeof(*old)); \
33 : [rc] "=d" (rc), [old] "=&d" (*old), \
39 instrument_copy_from_user_after(old, uaddr, sizeof(*old), 0); \
52 int old, rc; in arch_futex_atomic_op_inuser() local
56 rc = __futex_atomic_set(oparg, &old, uaddr); in arch_futex_atomic_op_inuser()
59 rc = __futex_atomic_add(oparg, &old, uaddr); in arch_futex_atomic_op_inuser()
62 rc = __futex_atomic_or(oparg, &old, uaddr); in arch_futex_atomic_op_inuser()
65 rc = __futex_atomic_and(~oparg, &old, uaddr); in arch_futex_atomic_op_inuser()
68 rc = __futex_atomic_xor(oparg, &old, uaddr); in arch_futex_atomic_op_inuser()
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/arch/sparc/kernel/
A Dftrace.c47 : [new] "0" (new), [old] "r" (old), [ip] "r" (ip) in ftrace_modify_code()
59 u32 old, new; in ftrace_make_nop() local
61 old = ftrace_call_replace(ip, addr); in ftrace_make_nop()
69 u32 old, new; in ftrace_make_call() local
71 old = ftrace_nop; in ftrace_make_call()
79 u32 old, new; in ftrace_update_ftrace_func() local
81 old = *(u32 *) &ftrace_call; in ftrace_update_ftrace_func()
95 u32 old, new; in ftrace_enable_ftrace_graph_caller() local
97 old = *(u32 *) &ftrace_graph_call; in ftrace_enable_ftrace_graph_caller()
105 u32 old, new; in ftrace_disable_ftrace_graph_caller() local
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/arch/powerpc/include/asm/
A Dcmpxchg.h49 old <<= bitoff; \
298 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8()
318 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8_local()
337 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8_relaxed()
357 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8_acquire()
378 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u16()
398 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u16_local()
637 return old; in __cmpxchg()
657 return old; in __cmpxchg_local()
677 return old; in __cmpxchg_relaxed()
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/arch/s390/lib/
A Dspinlock.c113 : [old] "+d" (old), [lock] "+Q" (*lock), "=@cc" (cc) in arch_try_cmpxchg_niai8()
123 int expected = old; in arch_try_cmpxchg_niai8()
128 : [old] "+d" (old), [lock] "+Q" (*lock) in arch_try_cmpxchg_niai8()
131 return expected == old; in arch_try_cmpxchg_niai8()
169 old = READ_ONCE(lp->lock); in arch_spin_lock_queued()
180 new = (old ? (old + _Q_LOCK_STEAL_ADD) : 0) | lockval; in arch_spin_lock_queued()
193 tail_id = old & _Q_TAIL_MASK; in arch_spin_lock_queued()
221 old = READ_ONCE(lp->lock); in arch_spin_lock_queued()
331 int old; in arch_write_lock_wait() local
340 old = READ_ONCE(rw->cnts); in arch_write_lock_wait()
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/arch/arm/kernel/
A Dftrace.c104 old = __opcode_to_mem_thumb32(old); in ftrace_modify_code()
106 old = __opcode_to_mem_arm(old); in ftrace_modify_code()
113 if (replaced != old) in ftrace_modify_code()
147 unsigned long new, old; in ftrace_make_call() local
156 old = ftrace_nop_replace(rec); in ftrace_make_call()
174 unsigned long new, old; in ftrace_modify_call() local
191 unsigned long old; in ftrace_make_nop() local
206 if (!old && mod) { in ftrace_make_nop()
232 unsigned long old; in prepare_ftrace_return() local
267 old = *parent; in prepare_ftrace_return()
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/arch/sh/kernel/
A Dftrace.c102 int old = atomic_read(&nmi_running); in clear_mod_flag() local
105 int new = old & ~MOD_CODE_WRITE_FLAG; in clear_mod_flag()
107 if (old == new) in clear_mod_flag()
110 old = atomic_cmpxchg(&nmi_running, old, new); in clear_mod_flag()
236 unsigned char *new, *old; in ftrace_make_nop() local
239 old = ftrace_call_replace(ip, addr); in ftrace_make_nop()
247 unsigned char *new, *old; in ftrace_make_call() local
250 old = ftrace_nop_replace(ip); in ftrace_make_call()
318 unsigned long old; in prepare_ftrace_return() local
352 : "=&r" (old), "=r" (faulted) in prepare_ftrace_return()
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/arch/sparc/include/asm/
A Dcmpxchg_64.h11 __cmpxchg_u32(volatile int *m, int old, int new) in __cmpxchg_u32() argument
15 : "0" (new), "r" (m), "r" (old) in __cmpxchg_u32()
119 : "0" (new), "r" (m), "r" (old) in __cmpxchg_u64()
145 return old; in __cmpxchg_u8()
147 } while (load == old); in __cmpxchg_u8()
161 return __cmpxchg_u8(ptr, old, new); in __cmpxchg()
163 return __cmpxchg_u32(ptr, old, new); in __cmpxchg()
165 return __cmpxchg_u64(ptr, old, new); in __cmpxchg()
168 return old; in __cmpxchg()
185 unsigned long old, in __cmpxchg_local() argument
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A Dcmpxchg_32.h41 u8 __cmpxchg_u8(volatile u8 *m, u8 old, u8 new_);
42 u16 __cmpxchg_u16(volatile u16 *m, u16 old, u16 new_);
43 u32 __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
47 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) in __cmpxchg() argument
50 size == 1 ? __cmpxchg_u8(ptr, old, new_) : in __cmpxchg()
51 size == 2 ? __cmpxchg_u16(ptr, old, new_) : in __cmpxchg()
52 size == 4 ? __cmpxchg_u32(ptr, old, new_) : in __cmpxchg()
53 (__cmpxchg_called_with_bad_pointer(), old); in __cmpxchg()
64 u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new);
65 #define arch_cmpxchg64(ptr, old, new) __cmpxchg_u64(ptr, old, new) argument
/arch/parisc/include/asm/
A Dcmpxchg.h60 extern u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new_);
62 extern u32 __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
71 size == 8 ? __cmpxchg_u64(ptr, old, new_) : in __cmpxchg()
73 size == 4 ? __cmpxchg_u32(ptr, old, new_) : in __cmpxchg()
74 size == 2 ? __cmpxchg_u16(ptr, old, new_) : in __cmpxchg()
75 size == 1 ? __cmpxchg_u8(ptr, old, new_) : in __cmpxchg()
76 (__cmpxchg_called_with_bad_pointer(), old); in __cmpxchg()
90 unsigned long old, in __cmpxchg_local() argument
95 case 8: return __cmpxchg_u64((u64 *)ptr, old, new_); in __cmpxchg_local()
97 case 4: return __cmpxchg_u32(ptr, old, new_); in __cmpxchg_local()
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/arch/loongarch/include/asm/
A Dcmpxchg.h95 #define __cmpxchg_asm(ld, st, m, old, new) \ argument
97 __typeof(old) __ret; \
108 : "ZB"(*m), "Jr" (old), "Jr" (new) \
123 old &= mask; in __cmpxchg_small()
133 old <<= shift; in __cmpxchg_small()
168 return __cmpxchg_small(ptr, old, new, size); in __cmpxchg()
172 (u32)old, new); in __cmpxchg()
176 (u64)old, new); in __cmpxchg()
185 #define arch_cmpxchg_local(ptr, old, new) \ argument
188 (unsigned long)(__typeof__(*(ptr)))(old), \
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/arch/xtensa/include/asm/
A Dcmpxchg.h25 __cmpxchg_u32(volatile int *p, int old, int new) in __cmpxchg_u32() argument
49 : [cmp] "a" (old) in __cmpxchg_u32()
63 : [old] "=&a" (old), [mem] "+m" (*p) in __cmpxchg_u32()
64 : [cmp] "a" (old), [new] "r" (new) in __cmpxchg_u32()
66 return old; in __cmpxchg_u32()
78 case 1: return cmpxchg_emu_u8(ptr, old, new); in __cmpxchg()
79 case 4: return __cmpxchg_u32(ptr, old, new); in __cmpxchg()
81 return old; in __cmpxchg()
95 unsigned long old, in __cmpxchg_local() argument
100 return __cmpxchg_u32(ptr, old, new); in __cmpxchg_local()
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/arch/x86/include/asm/
A Dcmpxchg.h88 __typeof__(*(ptr)) __old = (old); \
133 #define __cmpxchg(ptr, old, new, size) \ argument
148 #define arch_cmpxchg(ptr, old, new) \ argument
149 __cmpxchg(ptr, old, new, sizeof(*(ptr)))
151 #define arch_sync_cmpxchg(ptr, old, new) \ argument
152 __sync_cmpxchg(ptr, old, new, sizeof(*(ptr)))
154 #define arch_cmpxchg_local(ptr, old, new) \ argument
172 [old] "+a" (__old) \
184 [old] "+a" (__old) \
196 [old] "+a" (__old) \
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/arch/openrisc/include/asm/bitops/
A Datomic.h67 unsigned long old; in test_and_set_bit() local
76 : "=&r"(old), "=&r"(tmp) in test_and_set_bit()
80 return (old & mask) != 0; in test_and_set_bit()
87 unsigned long old; in test_and_clear_bit() local
96 : "=&r"(old), "=&r"(tmp) in test_and_clear_bit()
100 return (old & mask) != 0; in test_and_clear_bit()
107 unsigned long old; in test_and_change_bit() local
116 : "=&r"(old), "=&r"(tmp) in test_and_change_bit()
120 return (old & mask) != 0; in test_and_change_bit()
/arch/loongarch/kernel/
A Dftrace_dyn.c23 if (replaced != old) in ftrace_modify_code()
119 u32 old, new; in ftrace_modify_call() local
171 u32 old, new; in ftrace_init_nop() local
175 old = larch_insn_gen_nop(); in ftrace_init_nop()
183 u32 old, new; in ftrace_make_call() local
191 old = larch_insn_gen_nop(); in ftrace_make_call()
199 u32 old, new; in ftrace_make_nop() local
227 unsigned long old; in prepare_ftrace_return() local
233 old = *parent; in prepare_ftrace_return()
246 unsigned long old; in ftrace_graph_func() local
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/arch/arm64/kvm/hyp/
A Dexception.c128 old = *vcpu_cpsr(vcpu); in enter_exception64()
131 new |= (old & PSR_N_BIT); in enter_exception64()
132 new |= (old & PSR_Z_BIT); in enter_exception64()
133 new |= (old & PSR_C_BIT); in enter_exception64()
134 new |= (old & PSR_V_BIT); in enter_exception64()
139 new |= (old & PSR_DIT_BIT); in enter_exception64()
147 new |= (old & PSR_PAN_BIT); in enter_exception64()
197 unsigned long old, new; in get_except32_cpsr() local
199 old = *vcpu_cpsr(vcpu); in get_except32_cpsr()
202 new |= (old & PSR_AA32_N_BIT); in get_except32_cpsr()
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/arch/sparc/lib/
A Datomic32.c90 if (likely(ret == old)) in arch_atomic_cmpxchg()
125 unsigned long old, flags; in sp32___set_bit() local
128 old = *addr; in sp32___set_bit()
129 *addr = old | mask; in sp32___set_bit()
132 return old & mask; in sp32___set_bit()
141 old = *addr; in sp32___clear_bit()
142 *addr = old & ~mask; in sp32___clear_bit()
145 return old & mask; in sp32___clear_bit()
154 old = *addr; in sp32___change_bit()
155 *addr = old ^ mask; in sp32___change_bit()
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/arch/alpha/include/asm/
A Dcmpxchg.h117 ____cmpxchg_u8(volatile char *m, unsigned char old, unsigned char new) in ____cmpxchg_u8() argument
137 : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); in ____cmpxchg_u8()
163 : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); in ____cmpxchg_u16()
169 ____cmpxchg_u32(volatile int *m, int old, int new) in ____cmpxchg_u32() argument
185 : "r"((long) old), "r"(new), "m"(*m) : "memory"); in ____cmpxchg_u32()
207 : "r"((long) old), "r"(new), "m"(*m) : "memory"); in ____cmpxchg_u64()
221 size == 1 ? ____cmpxchg_u8(ptr, old, new) : in ____cmpxchg()
222 size == 2 ? ____cmpxchg_u16(ptr, old, new) : in ____cmpxchg()
223 size == 4 ? ____cmpxchg_u32(ptr, old, new) : in ____cmpxchg()
224 size == 8 ? ____cmpxchg_u64(ptr, old, new) : in ____cmpxchg()
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/arch/m68k/include/asm/
A Dcmpxchg.h89 static inline unsigned long __cmpxchg(volatile void *p, unsigned long old, in __cmpxchg() argument
95 : "=d" (old), "=m" (*(char *)p) in __cmpxchg()
96 : "d" (new), "0" (old), "m" (*(char *)p)); in __cmpxchg()
100 : "=d" (old), "=m" (*(short *)p) in __cmpxchg()
101 : "d" (new), "0" (old), "m" (*(short *)p)); in __cmpxchg()
105 : "=d" (old), "=m" (*(int *)p) in __cmpxchg()
106 : "d" (new), "0" (old), "m" (*(int *)p)); in __cmpxchg()
109 old = __invalid_cmpxchg_size(p, old, new, size); in __cmpxchg()
112 return old; in __cmpxchg()
/arch/openrisc/include/asm/
A Dcmpxchg.h26 unsigned long old, unsigned long new) in cmpxchg_u32() argument
37 : "=&r"(old) in cmpxchg_u32()
38 : "r"(ptr), "r"(old), "r"(new) in cmpxchg_u32()
41 return old; in cmpxchg_u32()
59 static inline u32 cmpxchg_small(volatile void *ptr, u32 old, u32 new, in cmpxchg_small() argument
77 if (old != ret) in cmpxchg_small()
80 old32 = (load32 & ~bitmask) | (old << bitoff); in cmpxchg_small()
86 return old; in cmpxchg_small()
121 static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, in __cmpxchg() argument
127 return cmpxchg_small(ptr, old, new, size); in __cmpxchg()
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/arch/mips/include/asm/
A Dcmpxchg.h112 #define __cmpxchg_asm(ld, st, m, old, new) \ argument
140 if (__ret == old) \
158 return __cmpxchg_small(ptr, old, new, size); in __cmpxchg()
162 (u32)old, new); in __cmpxchg()
170 (u64)old, new); in __cmpxchg()
177 #define arch_cmpxchg_local(ptr, old, new) \ argument
180 (unsigned long)(__typeof__(*(ptr)))(old), \
184 #define arch_cmpxchg(ptr, old, new) \ argument
196 __res = arch_cmpxchg_local((ptr), (old), (new)); \
229 unsigned long long old, in __cmpxchg64() argument
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1234567891011