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/linux/arch/sh/include/asm/
H A Dbitops-cas.h5 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 Dspinlock-cas.h13 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/powerpc/include/asm/
H A Dcmpxchg.h42 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 Derrseq.c64 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/sparc/kernel/
H A Dftrace.c26 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
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/linux/security/safesetid/
H A Dlsm.c148 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/drivers/input/joystick/iforce/
H A Diforce-ff.c178 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/s390/include/asm/
H A Dspinlock.h76 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 …]
/linux/arch/sh/kernel/
H 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()
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/tools/testing/selftests/bpf/progs/
H A Dmap_kptr_race.c44 struct prog_test_ref_kfunc *p, *old; in test_htab_leak() local
59 old = bpf_kptr_xchg(&v->ref_ptr, p); in test_htab_leak()
60 if (old) in test_htab_leak()
61 bpf_kfunc_call_test_release(old); in test_htab_leak()
68 old = bpf_kptr_xchg(&v->ref_ptr, p); in test_htab_leak()
69 if (old) in test_htab_leak()
70 bpf_kfunc_call_test_release(old); in test_htab_leak()
77 struct prog_test_ref_kfunc *p, *old; in fill_percpu_kptr() local
82 old = bpf_kptr_xchg(&v->ref_ptr, p); in fill_percpu_kptr()
83 if (old) in fill_percpu_kptr()
[all …]
H A Dtest_bpf_ma.c60 void *old, *new; in batch_alloc() local
74 old = bpf_kptr_xchg(&value->data, new); in batch_alloc()
75 if (old) { in batch_alloc()
76 bpf_obj_drop(old); in batch_alloc()
87 void *old; in batch_free() local
96 old = bpf_kptr_xchg(&value->data, NULL); in batch_free()
97 if (!old) { in batch_free()
101 bpf_obj_drop(old); in batch_free()
110 void *old, *new; in batch_percpu_alloc() local
124 old = bpf_kptr_xchg(&value->data, new); in batch_percpu_alloc()
[all …]
/linux/arch/sparc/include/asm/
H 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()
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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H 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
/linux/arch/parisc/include/asm/
H A Dcmpxchg.h60 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()
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/linux/arch/x86/include/asm/
H A Dcmpxchg.h85 #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)))
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/linux/tools/testing/selftests/bpf/libarena/src/
H A Dbitmap.bpf.c60 u64 old, new, actual; in bmp_test_and_clear_bit() local
63 old = bmp->bits[idx]; in bmp_test_and_clear_bit()
65 if (!(old & val)) in bmp_test_and_clear_bit()
68 new = old & ~val; in bmp_test_and_clear_bit()
69 actual = cmpxchg(&bmp->bits[idx], old, new); in bmp_test_and_clear_bit()
71 if (actual == old) in bmp_test_and_clear_bit()
84 u64 old, new, actual; in bmp_test_and_set_bit() local
87 old = bmp->bits[idx]; in bmp_test_and_set_bit()
89 if ((old & val)) in bmp_test_and_set_bit()
92 new = old | val; in bmp_test_and_set_bit()
[all …]
/linux/arch/loongarch/include/asm/
H A Dcmpxchg.h122 #define __cmpxchg_asm(ld, st, m, old, new) \ argument
124 __typeof(old) __ret; \
135 : "ZB"(*m), "Jr" (old), "Jr" (new) \
141 static inline unsigned int __cmpxchg_small(volatile void *ptr, unsigned int old, in __cmpxchg_small() argument
150 old &= mask; in __cmpxchg_small()
160 old <<= shift; in __cmpxchg_small()
183 : "ZC" (*ptr32), "Jr" (mask), "Jr" (old), "Jr" (new) in __cmpxchg_small()
190 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, unsigned int size) in __cmpxchg() argument
195 return __cmpxchg_small(ptr, old, new, size); in __cmpxchg()
199 (u32)old, new); in __cmpxchg()
[all …]
/linux/sound/soc/sof/
H A Dops.c19 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()
49 unsigned int old, new;
54 old = ret; in snd_sof_dsp_update_bits_unlocked() local
55 new = (old & ~mask) | (value & mask); in snd_sof_dsp_update_bits_unlocked()
57 if (old == new) in snd_sof_dsp_update_bits_unlocked()
69 u64 old, ne in snd_sof_dsp_update_bits_unlocked()
74 u64 old, new; snd_sof_dsp_update_bits64_unlocked() local
122 unsigned int old, new; snd_sof_dsp_update_bits_forced_unlocked() local
[all...]
/linux/arch/xtensa/include/asm/
H A Dcmpxchg.h25 __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 …]
/linux/net/smc/
H A Dsmc_cdc.h150 union smc_host_cursor *old, in smc_curs_diff() argument
153 if (old->wrap != new->wrap) in smc_curs_diff()
155 ((size - old->count) + new->count)); in smc_curs_diff()
157 return max_t(int, 0, (new->count - old->count)); in smc_curs_diff()
164 union smc_host_cursor *old, in smc_curs_comp() argument
167 if (old->wrap > new->wrap || in smc_curs_comp()
168 (old->wrap == new->wrap && old->count > new->count)) in smc_curs_comp()
169 return -smc_curs_diff(size, new, old); in smc_curs_comp()
170 return smc_curs_diff(size, old, new); in smc_curs_comp()
177 union smc_host_cursor *old, in smc_curs_diff_large() argument
[all …]
/linux/arch/sparc/lib/
H A Datomic32.c83 int arch_atomic_cmpxchg(atomic_t *v, int old, int new) in arch_atomic_cmpxchg() argument
90 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()
138 unsigned long old, flags; in sp32___clear_bit() local
141 old = *addr; in sp32___clear_bit()
142 *addr = old & ~mask; in sp32___clear_bit()
145 return old & mask; in sp32___clear_bit()
[all …]
/linux/arch/alpha/include/asm/
H 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()
143 ____cmpxchg_u16(volatile short *m, unsigned short old, unsigned short new) in ____cmpxchg_u16() argument
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()
191 ____cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) in ____cmpxchg_u64() argument
207 : "r"((long) old), "r"(new), "m"(*m) : "memory"); in ____cmpxchg_u64()
217 ____cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, in ____cmpxchg() argument
221 size == 1 ? ____cmpxchg_u8(ptr, old, new) : in ____cmpxchg()
[all …]
/linux/kernel/bpf/
H A Dstates.c302 static bool range_within(const struct bpf_reg_state *old, in range_within() argument
305 return cnum64_is_subset(old->r64, cur->r64) && in range_within()
306 cnum32_is_subset(old->r32, cur->r32); in range_within()
332 if (map[i].old == old_id) in check_ids()
340 map[idmap->cnt].old = old_id; in check_ids()
701 static bool stacksafe(struct bpf_verifier_env *env, struct bpf_func_state *old, in stacksafe() argument
711 for (i = 0; i < old->allocated_stack; i++) { in stacksafe()
718 u8 old_type = old->stack[spi].slot_type[i % BPF_REG_SIZE]; in stacksafe()
731 if (old->stack[spi].slot_type[i % BPF_REG_SIZE] == STACK_INVALID || in stacksafe()
732 old->stack[spi].slot_type[i % BPF_REG_SIZE] == STACK_POISON) in stacksafe()
[all …]
/linux/include/asm-generic/bitops/
H A Datomic.h38 long old; in arch_test_and_set_bit() local
42 old = raw_atomic_long_fetch_or(mask, (atomic_long_t *)p); in arch_test_and_set_bit()
43 return !!(old & mask); in arch_test_and_set_bit()
49 long old; in arch_test_and_clear_bit() local
53 old = raw_atomic_long_fetch_andnot(mask, (atomic_long_t *)p); in arch_test_and_clear_bit()
54 return !!(old & mask); in arch_test_and_clear_bit()
60 long old; in arch_test_and_change_bit() local
64 old = raw_atomic_long_fetch_xor(mask, (atomic_long_t *)p); in arch_test_and_change_bit()
65 return !!(old & mask); in arch_test_and_change_bit()
/linux/arch/mips/include/asm/
H A Dcmpxchg.h112 #define __cmpxchg_asm(ld, st, m, old, new) \ argument
133 : GCC_OFF_SMALL_ASM() (*m), "Jr" (old), "Jr" (new) \
140 if (__ret == old) \
148 extern unsigned long __cmpxchg_small(volatile void *ptr, unsigned long old,
152 unsigned long __cmpxchg(volatile void *ptr, unsigned long old, in __cmpxchg() argument
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), \
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12345678910>>...50