| /linux/arch/sh/include/asm/ |
| H A D | bitops-cas.h | 5 static inline unsigned __bo_cas(volatile unsigned *p, unsigned old, unsigned new) in __bo_cas() argument
9 : "r"(old), "z"(p) in __bo_cas()
16 unsigned mask, old; in set_bit() local
22 do old = *a; in set_bit()
23 while (__bo_cas(a, old, old|mask) != old); in set_bit()
28 unsigned mask, old; in clear_bit() local
34 do old = *a; in clear_bit()
35 while (__bo_cas(a, old, old&~mask) != old); in clear_bit()
40 unsigned mask, old; in change_bit() local
46 do old = *a; in change_bit()
[all …]
|
| H A D | spinlock-cas.h | 13 static inline unsigned __sl_cas(volatile unsigned *p, unsigned old, unsigned new) in __sl_cas() argument
17 : "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()
[all …]
|
| /linux/arch/s390/include/asm/ |
| H A D | cmpxchg.h | 18 static __always_inline u32 __cs_asm(u64 ptr, u32 old, u32 new) in __cs_asm() argument
22 : [old] "+d" (old), [ptr] "+Q" (*(u32 *)ptr) in __cs_asm()
25 return old; in __cs_asm()
28 static __always_inline u64 __csg_asm(u64 ptr, u64 old, u64 new) in __csg_asm() argument
32 : [old] "+d" (old), [ptr] "+QS" (*(u64 *)ptr) in __csg_asm()
35 return old; in __csg_asm()
38 static inline u8 __arch_cmpxchg1(u64 ptr, u8 old, u8 new) in __arch_cmpxchg1() argument
52 if (old32.b[i] != old) in __arch_cmpxchg1()
58 return old; in __arch_cmpxchg1()
61 static inline u16 __arch_cmpxchg2(u64 ptr, u16 old, u16 new) in __arch_cmpxchg2() argument
[all …]
|
| H A D | spinlock.h | 76 int old = 0; in arch_spin_trylock_once() local
79 return likely(arch_try_cmpxchg(&lp->lock, &old, spinlock_lockval())); in arch_spin_trylock_once()
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
142 if (!arch_try_cmpxchg(&rw->cnts, &old, 0x30000)) in arch_write_lock()
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()
[all …]
|
| H A D | futex.h | 14 __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()
[all …]
|
| /linux/include/linux/ |
| H A D | refcount.h | 176 int old = refcount_read(r); in __refcount_add_not_zero() local
179 if (!old) in __refcount_add_not_zero()
181 } while (!atomic_try_cmpxchg_relaxed(&r->refs, &old, old + i)); in __refcount_add_not_zero()
184 *oldp = old; in __refcount_add_not_zero()
186 if (unlikely(old < 0 || old + i < 0)) in __refcount_add_not_zero()
189 return old; in __refcount_add_not_zero()
219 int old = refcount_read(r); in __refcount_add_not_zero_limited_acquire() local
222 if (!old) in __refcount_add_not_zero_limited_acquire()
225 if (i > limit - old) { in __refcount_add_not_zero_limited_acquire()
227 *oldp = old; in __refcount_add_not_zero_limited_acquire()
[all …]
|
| /linux/arch/powerpc/include/asm/ |
| H A D | cmpxchg.h | 42 u32 __cmpxchg_##type##sfx(volatile void *p, u32 old, u32 new) \
49 old <<= bitoff; \
67 : "r" (p), "r" (old), "r" (new), "r" (prev_mask) \
283 __cmpxchg_u8(volatile unsigned char *p, unsigned long old, unsigned long new) in __cmpxchg_u8() argument
298 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8()
305 __cmpxchg_u8_local(volatile unsigned char *p, unsigned long old, in __cmpxchg_u8_local() argument
318 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8_local()
325 __cmpxchg_u8_relaxed(u8 *p, unsigned long old, unsigned long new) in __cmpxchg_u8_relaxed() argument
337 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u8_relaxed()
344 __cmpxchg_u8_acquire(u8 *p, unsigned long old, unsigned long new) in __cmpxchg_u8_acquire() argument
[all …]
|
| /linux/lib/ |
| H A D | errseq.c | 64 errseq_t cur, old; in errseq_set() local
73 old = READ_ONCE(*eseq); in errseq_set()
77 return old; in errseq_set()
83 new = (old & ~(ERRNO_MASK | ERRSEQ_SEEN)) | -err; in errseq_set()
86 if (old & ERRSEQ_SEEN) in errseq_set()
90 if (new == old) { in errseq_set()
96 cur = cmpxchg(eseq, old, new); in errseq_set()
102 if (likely(cur == old || cur == new)) in errseq_set()
106 old = cur; in errseq_set()
126 errseq_t old = READ_ONCE(*eseq); in errseq_sample() local
[all …]
|
| /linux/arch/s390/lib/ |
| H A D | spinlock.c | 106 static inline int arch_try_cmpxchg_niai8(int *lock, int old, int new) in arch_try_cmpxchg_niai8() argument
113 : [old] "+d" (old), [lock] "+Q" (*lock), "=@cc" (cc) in arch_try_cmpxchg_niai8()
121 static inline int arch_try_cmpxchg_niai8(int *lock, int old, int new) in arch_try_cmpxchg_niai8() argument
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()
159 int lockval, ix, node_id, tail_id, old, new, owner, count; in arch_spin_lock_queued() local
169 old = READ_ONCE(lp->lock); in arch_spin_lock_queued()
171 if ((old & _Q_LOCK_CPU_MASK) == 0 && in arch_spin_lock_queued()
172 (old & _Q_LOCK_STEAL_MASK) != _Q_LOCK_STEAL_MASK) { in arch_spin_lock_queued()
[all …]
|
| /linux/arch/sparc/kernel/ |
| H A D | ftrace.c | 26 static int ftrace_modify_code(unsigned long ip, u32 old, u32 new) in ftrace_modify_code() argument
47 : [new] "0" (new), [old] "r" (old), [ip] "r" (ip) in ftrace_modify_code()
50 if (replaced != old && replaced != new) in ftrace_modify_code()
59 u32 old, new; in ftrace_make_nop() local
61 old = ftrace_call_replace(ip, addr); in ftrace_make_nop()
63 return ftrace_modify_code(ip, old, new); in ftrace_make_nop()
69 u32 old, new; in ftrace_make_call() local
71 old = ftrace_nop; in ftrace_make_call()
73 return ftrace_modify_code(ip, old, new); in ftrace_make_call()
79 u32 old, new; in ftrace_update_ftrace_func() local
[all …]
|
| /linux/security/safesetid/ |
| H A D | lsm.c | 148 static bool id_permitted_for_cred(const struct cred *old, kid_t new_id, enum setid_type new_type) in id_permitted_for_cred() argument
154 if (uid_eq(new_id.uid, old->uid) || uid_eq(new_id.uid, old->euid) || in id_permitted_for_cred()
155 uid_eq(new_id.uid, old->suid)) in id_permitted_for_cred()
158 if (gid_eq(new_id.gid, old->gid) || gid_eq(new_id.gid, old->egid) || in id_permitted_for_cred()
159 gid_eq(new_id.gid, old->sgid)) in id_permitted_for_cred()
169 setid_policy_lookup((kid_t){.uid = old->uid}, new_id, new_type) != SIDPOL_CONSTRAINED; in id_permitted_for_cred()
174 __kuid_val(old->uid), __kuid_val(old->euid), in id_permitted_for_cred()
175 __kuid_val(old->suid), __kuid_val(new_id.uid)); in id_permitted_for_cred()
178 __kgid_val(old->gid), __kgid_val(old->egid), in id_permitted_for_cred()
179 __kgid_val(old->sgid), __kgid_val(new_id.gid)); in id_permitted_for_cred()
[all …]
|
| /linux/kernel/ |
| H A D | tracepoint.c | 109 static inline void release_probes(struct tracepoint *tp, struct tracepoint_func *old) in release_probes() argument
111 if (old) { in release_probes()
112 struct tp_probes *tp_probes = container_of(old, in release_probes()
137 struct tracepoint_func *old, *new; in func_add() local
146 old = *funcs; in func_add()
147 if (old) { in func_add()
149 for (iter_probes = 0; old[iter_probes].func; iter_probes++) { in func_add()
150 if (old[iter_probes].func == tp_stub_func) in func_add()
152 if (old[iter_probes].func == tp_func->func && in func_add()
153 old[iter_probes].data == tp_func->data) in func_add()
[all …]
|
| /linux/drivers/input/joystick/iforce/ |
| H A D | iforce-ff.c | 178 struct ff_effect *old, in need_condition_modifier() argument
191 ret |= old->u.condition[i].right_saturation != new->u.condition[i].right_saturation in need_condition_modifier()
192 || old->u.condition[i].left_saturation != new->u.condition[i].left_saturation in need_condition_modifier()
193 || old->u.condition[i].right_coeff != new->u.condition[i].right_coeff in need_condition_modifier()
194 || old->u.condition[i].left_coeff != new->u.condition[i].left_coeff in need_condition_modifier()
195 || old->u.condition[i].deadband != new->u.condition[i].deadband in need_condition_modifier()
196 || old->u.condition[i].center != new->u.condition[i].center; in need_condition_modifier()
206 struct ff_effect *old, in need_magnitude_modifier() argument
215 return old->u.constant.level != effect->u.constant.level; in need_magnitude_modifier()
222 static int need_envelope_modifier(struct iforce *iforce, struct ff_effect *old, in need_envelope_modifier() argument
[all …]
|
| /linux/arch/arm/kernel/ |
| H A D | ftrace.c | 98 static int ftrace_modify_code(unsigned long pc, unsigned long old, in ftrace_modify_code() argument
104 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()
166 return ftrace_modify_code(rec->ip, old, new, true); in ftrace_make_call()
174 unsigned long new, old; in ftrace_modify_call() local
177 old = ftrace_call_replace(ip, adjust_address(rec, old_addr), true); in ftrace_modify_call()
181 return ftrace_modify_code(rec->ip, old, new, true); in ftrace_modify_call()
[all …]
|
| /linux/arch/sh/kernel/ |
| H A D | ftrace.c | 102 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()
225 unsigned char old[MCOUNT_INSN_SIZE], *new; in ftrace_update_ftrace_func() local
227 memcpy(old, (unsigned char *)ip, MCOUNT_INSN_SIZE); in ftrace_update_ftrace_func()
230 return ftrace_modify_code(ip, old, new); in ftrace_update_ftrace_func()
236 unsigned char *new, *old; in ftrace_make_nop() local
239 old = ftrace_call_replace(ip, addr); in ftrace_make_nop()
242 return ftrace_modify_code(rec->ip, old, new); in ftrace_make_nop()
[all …]
|
| /linux/arch/sparc/include/asm/ |
| H A D | cmpxchg_64.h | 11 __cmpxchg_u32(volatile int *m, int old, int new) in __cmpxchg_u32() argument
15 : "0" (new), "r" (m), "r" (old) in __cmpxchg_u32()
115 __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) in __cmpxchg_u64() argument
119 : "0" (new), "r" (m), "r" (old) in __cmpxchg_u64()
131 __cmpxchg_u8(volatile unsigned char *m, unsigned char old, unsigned char new) in __cmpxchg_u8() argument
142 old32 = (load32 & ~mask) | (old << bit_shift); in __cmpxchg_u8()
145 return old; in __cmpxchg_u8()
147 } while (load == old); in __cmpxchg_u8()
157 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) in __cmpxchg() argument
161 return __cmpxchg_u8(ptr, old, new); in __cmpxchg()
[all …]
|
| /linux/arch/parisc/include/asm/ |
| H A D | cmpxchg.h | 60 extern u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new_);
61 extern u16 __cmpxchg_u16(volatile u16 *ptr, u16 old, u16 new_);
62 extern u32 __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
63 extern u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new_);
67 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) in __cmpxchg() argument
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()
[all …]
|
| /linux/tools/docs/ |
| H A D | gen-renames.py | 59 _, old, new = line[1:].split('\t', 2) variable
61 if old.endswith('.rst') and new.endswith('.rst'):
62 old = normalize(old) variable
65 name = names.get(old)
67 name = Name(old)
69 del names[old]
78 _, old = line.split('\t', 1) variable
80 if old.endswith('.rst'):
81 old = normalize(old) variable
85 name = names.get(old)
[all …]
|
| /linux/include/asm-generic/bitops/ |
| H A D | lock.h | 21 long old; in arch_test_and_set_bit_lock() local
28 old = raw_atomic_long_fetch_or_acquire(mask, (atomic_long_t *)p); in arch_test_and_set_bit_lock()
29 return !!(old & mask); in arch_test_and_set_bit_lock()
61 unsigned long old; in arch___clear_bit_unlock() local
64 old = READ_ONCE(*p); in arch___clear_bit_unlock()
65 old &= ~BIT_MASK(nr); in arch___clear_bit_unlock()
66 raw_atomic_long_set_release((atomic_long_t *)p, old); in arch___clear_bit_unlock()
73 long old; in arch_xor_unlock_is_negative_byte() local
75 old = raw_atomic_long_fetch_xor_release(mask, (atomic_long_t *)p); in arch_xor_unlock_is_negative_byte()
76 return !!(old & BIT(7)); in arch_xor_unlock_is_negative_byte()
|
| /linux/arch/x86/include/asm/ |
| H A D | cmpxchg.h | 85 #define __raw_cmpxchg(ptr, old, new, size, lock) \ argument
88 __typeof__(*(ptr)) __old = (old); \
133 #define __cmpxchg(ptr, old, new, size) \ argument
134 __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX)
136 #define __sync_cmpxchg(ptr, old, new, size) \ argument
137 __raw_cmpxchg((ptr), (old), (new), (size), "lock ")
139 #define __cmpxchg_local(ptr, old, new, size) \ argument
140 __raw_cmpxchg((ptr), (old), (new), (size), "")
148 #define arch_cmpxchg(ptr, old, new) \ argument
149 __cmpxchg(ptr, old, new, sizeof(*(ptr)))
[all …]
|
| /linux/arch/arm64/kvm/hyp/ |
| H A D | exception.c | 88 unsigned long sctlr, vbar, old, new, mode; in enter_exception64() local
120 old = *vcpu_cpsr(vcpu); in enter_exception64()
123 new |= (old & PSR_N_BIT); in enter_exception64()
124 new |= (old & PSR_Z_BIT); in enter_exception64()
125 new |= (old & PSR_C_BIT); in enter_exception64()
126 new |= (old & PSR_V_BIT); in enter_exception64()
131 new |= (old & PSR_DIT_BIT); in enter_exception64()
139 new |= (old & PSR_PAN_BIT); in enter_exception64()
165 __vcpu_write_spsr(vcpu, target_mode, old); in enter_exception64()
189 unsigned long old, new; in get_except32_cpsr() local
[all …]
|
| /linux/arch/loongarch/include/asm/ |
| H A D | cmpxchg.h | 95 #define __cmpxchg_asm(ld, st, m, old, new) \ argument
97 __typeof(old) __ret; \
108 : "ZB"(*m), "Jr" (old), "Jr" (new) \
114 static inline unsigned int __cmpxchg_small(volatile void *ptr, unsigned int old, in __cmpxchg_small() argument
123 old &= mask; in __cmpxchg_small()
133 old <<= shift; in __cmpxchg_small()
156 : "ZC" (*ptr32), "Jr" (mask), "Jr" (old), "Jr" (new) in __cmpxchg_small()
163 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, unsigned int size) in __cmpxchg() argument
168 return __cmpxchg_small(ptr, old, new, size); in __cmpxchg()
172 (u32)old, new); in __cmpxchg()
[all …]
|
| /linux/arch/loongarch/kernel/ |
| H A D | ftrace_dyn.c | 15 static int ftrace_modify_code(unsigned long pc, u32 old, u32 new, bool validate) in ftrace_modify_code() argument
23 if (replaced != old) in ftrace_modify_code()
119 u32 old, new; in ftrace_modify_call() local
131 old = larch_insn_gen_bl(pc, old_addr); in ftrace_modify_call()
133 return ftrace_modify_code(pc, old, new, true); in ftrace_modify_call()
171 u32 old, new; in ftrace_init_nop() local
175 old = larch_insn_gen_nop(); in ftrace_init_nop()
178 return ftrace_modify_code(pc, old, new, true); in ftrace_init_nop()
183 u32 old, new; in ftrace_make_call() local
191 old = larch_insn_gen_nop(); in ftrace_make_call()
[all …]
|
| /linux/sound/soc/sof/ |
| H A D | ops.c | 19 unsigned int old, new; in snd_sof_pci_update_bits_unlocked() local
23 old = ret; in snd_sof_pci_update_bits_unlocked()
24 dev_dbg(sdev->dev, "Debug PCIR: %8.8x at %8.8x\n", old & mask, offset); in snd_sof_pci_update_bits_unlocked()
26 new = (old & ~mask) | (value & mask); in snd_sof_pci_update_bits_unlocked()
28 if (old == new) in snd_sof_pci_update_bits_unlocked()
54 unsigned int old, new; in snd_sof_dsp_update_bits_unlocked() local
59 old = ret; in snd_sof_dsp_update_bits_unlocked()
60 new = (old & ~mask) | (value & mask); in snd_sof_dsp_update_bits_unlocked()
62 if (old == new) in snd_sof_dsp_update_bits_unlocked()
74 u64 old, new; in snd_sof_dsp_update_bits64_unlocked() local
[all …]
|
| /linux/arch/xtensa/include/asm/ |
| H A D | cmpxchg.h | 25 __cmpxchg_u32(volatile int *p, int old, int new) in __cmpxchg_u32() argument
39 : [new] "a" (new), [addr] "a" (p), [cmp] "a" (old) in __cmpxchg_u32()
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()
75 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) in __cmpxchg() argument
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()
[all …]
|