| /Linux-v5.4/arch/sh/include/asm/ |
| 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 …]
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| 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 …]
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| /Linux-v5.4/arch/ia64/include/asm/ |
| D | bitops.h | 42 __u32 bit, old, new; in set_bit() local
50 old = *m; in set_bit()
51 new = old | bit; in set_bit()
52 } while (cmpxchg_acq(m, old, new) != old); in set_bit()
83 __u32 mask, old, new; in clear_bit() local
91 old = *m; in clear_bit()
92 new = old & mask; in clear_bit()
93 } while (cmpxchg_acq(m, old, new) != old); in clear_bit()
107 __u32 mask, old, new; in clear_bit_unlock() local
115 old = *m; in clear_bit_unlock()
[all …]
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| D | acenv.h | 22 unsigned int old, new, val; in ia64_acpi_acquire_global_lock() local
24 old = *lock; in ia64_acpi_acquire_global_lock()
25 new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); in ia64_acpi_acquire_global_lock()
26 val = ia64_cmpxchg4_acq(lock, new, old); in ia64_acpi_acquire_global_lock()
27 } while (unlikely (val != old)); in ia64_acpi_acquire_global_lock()
34 unsigned int old, new, val; in ia64_acpi_release_global_lock() local
36 old = *lock; in ia64_acpi_release_global_lock()
37 new = old & ~0x3; in ia64_acpi_release_global_lock()
38 val = ia64_cmpxchg4_acq(lock, new, old); in ia64_acpi_release_global_lock()
39 } while (unlikely (val != old)); in ia64_acpi_release_global_lock()
[all …]
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| D | atomic.h | 35 __s32 old, new; \
40 old = atomic_read(v); \
41 new = old c_op i; \
42 } while (ia64_cmpxchg(acq, v, old, new, sizeof(atomic_t)) != old); \
50 __s32 old, new; \
55 old = atomic_read(v); \
56 new = old c_op i; \
57 } while (ia64_cmpxchg(acq, v, old, new, sizeof(atomic_t)) != old); \
58 return old; \
130 s64 old, new; \
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| /Linux-v5.4/lib/ |
| D | errseq.c | 60 errseq_t cur, old; in errseq_set() local
71 old = READ_ONCE(*eseq); in errseq_set()
75 return old; in errseq_set()
81 new = (old & ~(MAX_ERRNO|ERRSEQ_SEEN)) | -err; in errseq_set()
84 if (old & ERRSEQ_SEEN) in errseq_set()
88 if (new == old) { in errseq_set()
94 cur = cmpxchg(eseq, old, new); in errseq_set()
100 if (likely(cur == old || cur == new)) in errseq_set()
104 old = cur; in errseq_set()
124 errseq_t old = READ_ONCE(*eseq); in errseq_sample() local
[all …]
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| D | lockref.c | 13 struct lockref old; \
14 BUILD_BUG_ON(sizeof(old) != 8); \
15 old.lock_count = READ_ONCE(lockref->lock_count); \
16 while (likely(arch_spin_value_unlocked(old.lock.rlock.raw_lock))) { \
17 struct lockref new = old, prev = old; \
19 old.lock_count = cmpxchg64_relaxed(&lockref->lock_count, \
20 old.lock_count, \
22 if (likely(old.lock_count == prev.lock_count)) { \
69 if (old.count <= 0) in lockref_get_not_zero()
97 if (old.count <= 1) in lockref_put_not_zero()
[all …]
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| /Linux-v5.4/arch/powerpc/include/asm/ |
| D | cmpxchg.h | 44 u32 __cmpxchg_##type##sfx(volatile void *p, u32 old, u32 new) \
51 old <<= bitoff; \
70 : "r" (p), "r" (old), "r" (new), "r" (prev_mask) \
223 __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) in __cmpxchg_u32() argument
239 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u32()
246 __cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, in __cmpxchg_u32_local() argument
261 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u32_local()
268 __cmpxchg_u32_relaxed(u32 *p, unsigned long old, unsigned long new) in __cmpxchg_u32_relaxed() argument
281 : "r" (p), "r" (old), "r" (new) in __cmpxchg_u32_relaxed()
296 __cmpxchg_u32_acquire(u32 *p, unsigned long old, unsigned long new) in __cmpxchg_u32_acquire() argument
[all …]
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| /Linux-v5.4/arch/sparc/kernel/ |
| 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 …]
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| /Linux-v5.4/arch/s390/lib/ |
| D | spinlock.c | 84 static inline int arch_cmpxchg_niai8(int *lock, int old, int new) in arch_cmpxchg_niai8() argument
86 int expected = old; in arch_cmpxchg_niai8()
91 : "=d" (old), "=Q" (*lock) in arch_cmpxchg_niai8()
92 : "0" (old), "d" (new), "Q" (*lock) in arch_cmpxchg_niai8()
94 return expected == old; in arch_cmpxchg_niai8()
120 int lockval, ix, node_id, tail_id, old, new, owner, count; in arch_spin_lock_queued() local
131 old = READ_ONCE(lp->lock); in arch_spin_lock_queued()
132 if ((old & _Q_LOCK_CPU_MASK) == 0 && in arch_spin_lock_queued()
133 (old & _Q_LOCK_STEAL_MASK) != _Q_LOCK_STEAL_MASK) { in arch_spin_lock_queued()
141 new = (old ? (old + _Q_LOCK_STEAL_ADD) : 0) | lockval; in arch_spin_lock_queued()
[all …]
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| /Linux-v5.4/arch/s390/include/asm/ |
| D | atomic_ops.h | 16 op_type old; \
21 : [old] "=d" (old), [ptr] "+Q" (*ptr) \
23 return old; \
67 int old, new; \
74 : [old] "=d" (old), [new] "=&d" (new), [ptr] "+Q" (*ptr)\
76 return old; \
93 long old, new; \
100 : [old] "=d" (old), [new] "=&d" (new), [ptr] "+Q" (*ptr)\
102 return old; \
123 static inline int __atomic_cmpxchg(int *ptr, int old, int new) in __atomic_cmpxchg() argument
[all …]
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| /Linux-v5.4/arch/arm/kernel/ |
| D | ftrace.c | 79 static int ftrace_modify_code(unsigned long pc, unsigned long old, in ftrace_modify_code() argument
85 old = __opcode_to_mem_thumb32(old); in ftrace_modify_code()
88 old = __opcode_to_mem_arm(old); in ftrace_modify_code()
96 if (replaced != old) in ftrace_modify_code()
133 unsigned long new, old; in ftrace_make_call() local
136 old = ftrace_nop_replace(rec); in ftrace_make_call()
140 return ftrace_modify_code(rec->ip, old, new, true); in ftrace_make_call()
148 unsigned long new, old; in ftrace_modify_call() local
151 old = ftrace_call_replace(ip, adjust_address(rec, old_addr)); in ftrace_modify_call()
155 return ftrace_modify_code(rec->ip, old, new, true); in ftrace_modify_call()
[all …]
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| /Linux-v5.4/kernel/ |
| D | tracepoint.c | 91 static inline void release_probes(struct tracepoint_func *old) in release_probes() argument
93 if (old) { in release_probes()
94 struct tp_probes *tp_probes = container_of(old, in release_probes()
132 struct tracepoint_func *old, *new; in func_add() local
140 old = *funcs; in func_add()
141 if (old) { in func_add()
143 for (nr_probes = 0; old[nr_probes].func; nr_probes++) { in func_add()
145 if (pos < 0 && old[nr_probes].prio < prio) in func_add()
147 if (old[nr_probes].func == tp_func->func && in func_add()
148 old[nr_probes].data == tp_func->data) in func_add()
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| D | cred.c | 253 const struct cred *old; in prepare_creds() local
264 old = task->cred; in prepare_creds()
265 memcpy(new, old, sizeof(struct cred)); in prepare_creds()
285 if (security_prepare_creds(new, old, GFP_KERNEL) < 0) in prepare_creds()
437 const struct cred *old = task->real_cred; in commit_creds() local
443 BUG_ON(task->cred != old); in commit_creds()
445 BUG_ON(read_cred_subscribers(old) < 2); in commit_creds()
446 validate_creds(old); in commit_creds()
454 if (!uid_eq(old->euid, new->euid) || in commit_creds()
455 !gid_eq(old->egid, new->egid) || in commit_creds()
[all …]
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| /Linux-v5.4/include/linux/ |
| D | iversion.h | 126 u64 cur, old; in inode_set_max_iversion_raw() local
132 old = atomic64_cmpxchg(&inode->i_version, cur, val); in inode_set_max_iversion_raw()
133 if (likely(old == cur)) in inode_set_max_iversion_raw()
135 cur = old; in inode_set_max_iversion_raw()
200 u64 cur, old, new; in inode_maybe_inc_iversion() local
222 old = atomic64_cmpxchg(&inode->i_version, cur, new); in inode_maybe_inc_iversion()
223 if (likely(old == cur)) in inode_maybe_inc_iversion()
225 cur = old; in inode_maybe_inc_iversion()
307 u64 cur, old, new; in inode_query_iversion() local
323 old = atomic64_cmpxchg(&inode->i_version, cur, new); in inode_query_iversion()
[all …]
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| /Linux-v5.4/drivers/input/joystick/iforce/ |
| D | iforce-ff.c | 182 struct ff_effect *old, in need_condition_modifier() argument
195 ret |= old->u.condition[i].right_saturation != new->u.condition[i].right_saturation in need_condition_modifier()
196 || old->u.condition[i].left_saturation != new->u.condition[i].left_saturation in need_condition_modifier()
197 || old->u.condition[i].right_coeff != new->u.condition[i].right_coeff in need_condition_modifier()
198 || old->u.condition[i].left_coeff != new->u.condition[i].left_coeff in need_condition_modifier()
199 || old->u.condition[i].deadband != new->u.condition[i].deadband in need_condition_modifier()
200 || old->u.condition[i].center != new->u.condition[i].center; in need_condition_modifier()
210 struct ff_effect *old, in need_magnitude_modifier() argument
219 return old->u.constant.level != effect->u.constant.level; in need_magnitude_modifier()
226 static int need_envelope_modifier(struct iforce *iforce, struct ff_effect *old, in need_envelope_modifier() argument
[all …]
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| /Linux-v5.4/arch/sh/kernel/ |
| 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 …]
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| /Linux-v5.4/arch/x86/include/asm/ |
| D | atomic64_32.h | 269 s64 old, c = 0; in arch_atomic64_and() local
271 while ((old = arch_atomic64_cmpxchg(v, c, c & i)) != c) in arch_atomic64_and()
272 c = old; in arch_atomic64_and()
277 s64 old, c = 0; in arch_atomic64_fetch_and() local
279 while ((old = arch_atomic64_cmpxchg(v, c, c & i)) != c) in arch_atomic64_fetch_and()
280 c = old; in arch_atomic64_fetch_and()
282 return old; in arch_atomic64_fetch_and()
287 s64 old, c = 0; in arch_atomic64_or() local
289 while ((old = arch_atomic64_cmpxchg(v, c, c | i)) != c) in arch_atomic64_or()
290 c = old; in arch_atomic64_or()
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| /Linux-v5.4/arch/sparc/include/asm/ |
| 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()
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| /Linux-v5.4/security/safesetid/ |
| D | lsm.c | 100 static bool uid_permitted_for_cred(const struct cred *old, kuid_t new_uid) in uid_permitted_for_cred() argument
105 if (uid_eq(new_uid, old->uid) || uid_eq(new_uid, old->euid) || in uid_permitted_for_cred()
106 uid_eq(new_uid, old->suid)) in uid_permitted_for_cred()
114 setuid_policy_lookup(old->uid, new_uid) != SIDPOL_CONSTRAINED; in uid_permitted_for_cred()
117 __kuid_val(old->uid), __kuid_val(old->euid), in uid_permitted_for_cred()
118 __kuid_val(old->suid), __kuid_val(new_uid)); in uid_permitted_for_cred()
129 const struct cred *old, in safesetid_task_fix_setuid() argument
134 if (setuid_policy_lookup(old->uid, INVALID_UID) == SIDPOL_DEFAULT) in safesetid_task_fix_setuid()
137 if (uid_permitted_for_cred(old, new->uid) && in safesetid_task_fix_setuid()
138 uid_permitted_for_cred(old, new->euid) && in safesetid_task_fix_setuid()
[all …]
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| /Linux-v5.4/drivers/gpu/drm/ |
| D | drm_lock.c | 62 unsigned int old, new, prev; in drm_lock_take() local
67 old = *lock; in drm_lock_take()
68 if (old & _DRM_LOCK_HELD) in drm_lock_take()
69 new = old | _DRM_LOCK_CONT; in drm_lock_take()
75 prev = cmpxchg(lock, old, new); in drm_lock_take()
76 } while (prev != old); in drm_lock_take()
79 if (_DRM_LOCKING_CONTEXT(old) == context) { in drm_lock_take()
80 if (old & _DRM_LOCK_HELD) { in drm_lock_take()
111 unsigned int old, new, prev; in drm_lock_transfer() local
116 old = *lock; in drm_lock_transfer()
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| /Linux-v5.4/include/asm-generic/bitops/ |
| D | lock.h | 21 long old; in test_and_set_bit_lock() local
28 old = atomic_long_fetch_or_acquire(mask, (atomic_long_t *)p); in test_and_set_bit_lock()
29 return !!(old & mask); in test_and_set_bit_lock()
60 unsigned long old; in __clear_bit_unlock() local
63 old = READ_ONCE(*p); in __clear_bit_unlock()
64 old &= ~BIT_MASK(nr); in __clear_bit_unlock()
65 atomic_long_set_release((atomic_long_t *)p, old); in __clear_bit_unlock()
81 long old; in clear_bit_unlock_is_negative_byte() local
85 old = atomic_long_fetch_andnot_release(mask, (atomic_long_t *)p); in clear_bit_unlock_is_negative_byte()
86 return !!(old & BIT(7)); in clear_bit_unlock_is_negative_byte()
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| /Linux-v5.4/arch/alpha/include/asm/ |
| D | xchg.h | 129 ____cmpxchg(_u8, volatile char *m, unsigned char old, unsigned char new) in ____cmpxchg() argument
149 : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); in ____cmpxchg()
155 ____cmpxchg(_u16, volatile short *m, unsigned short old, unsigned short new) in ____cmpxchg() argument
175 : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); in ____cmpxchg()
181 ____cmpxchg(_u32, volatile int *m, int old, int new) in ____cmpxchg() argument
197 : "r"((long) old), "r"(new), "m"(*m) : "memory"); in ____cmpxchg()
203 ____cmpxchg(_u64, volatile long *m, unsigned long old, unsigned long new) in ____cmpxchg() argument
219 : "r"((long) old), "r"(new), "m"(*m) : "memory"); in ____cmpxchg()
229 ____cmpxchg(, volatile void *ptr, unsigned long old, unsigned long new,
234 return ____cmpxchg(_u8, ptr, old, new);
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| /Linux-v5.4/arch/sparc/lib/ |
| D | atomic32.c | 83 int atomic_cmpxchg(atomic_t *v, int old, int new) in atomic_cmpxchg() argument
90 if (likely(ret == old)) in atomic_cmpxchg()
125 unsigned long old, flags; in ___set_bit() local
128 old = *addr; in ___set_bit()
129 *addr = old | mask; in ___set_bit()
132 return old & mask; in ___set_bit()
138 unsigned long old, flags; in ___clear_bit() local
141 old = *addr; in ___clear_bit()
142 *addr = old & ~mask; in ___clear_bit()
145 return old & mask; in ___clear_bit()
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| /Linux-v5.4/sound/soc/sof/ |
| 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 …]
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