/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 …]
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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 …]
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/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 …]
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/linux/lib/ |
H A D | errseq.c | 61 errseq_t cur, old; in errseq_set() local 72 old = READ_ONCE(*eseq); in errseq_set() 76 return old; in errseq_set() 82 new = (old & ~(MAX_ERRNO|ERRSEQ_SEEN)) | -err; in errseq_set() 85 if (old & ERRSEQ_SEEN) in errseq_set() 89 if (new == old) { in errseq_set() 95 cur = cmpxchg(eseq, old, new); in errseq_set() 101 if (likely(cur == old || cur == new)) in errseq_set() 105 old = cur; in errseq_set() 125 errseq_t old = READ_ONCE(*eseq); in errseq_sample() local [all …]
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/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 …]
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/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 …]
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/linux/include/linux/ |
H A D | refcount.h | 142 int old = refcount_read(r); in __refcount_add_not_zero() local 145 if (!old) in __refcount_add_not_zero() 147 } while (!atomic_try_cmpxchg_relaxed(&r->refs, &old, old + i)); in __refcount_add_not_zero() 150 *oldp = old; in __refcount_add_not_zero() 152 if (unlikely(old < 0 || old + i < 0)) in __refcount_add_not_zero() 155 return old; in __refcount_add_not_zero() 184 int old = atomic_fetch_add_relaxed(i, &r->refs); in __refcount_add() local 187 *oldp = old; in __refcount_add() 189 if (unlikely(!old)) in __refcount_add() 191 else if (unlikely(old < 0 || old + i < 0)) in __refcount_add() [all …]
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/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 …]
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H A D | cred.c | 209 const struct cred *old; in prepare_creds() local 218 old = task->cred; in prepare_creds() 219 memcpy(new, old, sizeof(struct cred)); in prepare_creds() 242 if (security_prepare_creds(new, old, GFP_KERNEL_ACCOUNT) < 0) in prepare_creds() 383 * the old set. Both the objective and the subjective credentials pointers are 395 const struct cred *old = task->real_cred; in commit_creds() local 400 BUG_ON(task->cred != old); in commit_creds() 406 if (!uid_eq(old->euid, new->euid) || in commit_creds() 407 !gid_eq(old->egid, new->egid) || in commit_creds() 408 !uid_eq(old in commit_creds() 488 const struct cred *old = current->cred; override_creds() local 517 revert_creds(const struct cred * old) revert_creds() argument 631 const struct cred *old; prepare_kernel_cred() local [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 …]
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/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 …]
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/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 …]
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H A D | cmpxchg_32.h | 41 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
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/linux/arch/s390/include/asm/ |
H A D | bitops.h | 88 unsigned long old; in arch_test_and_set_bit() local 90 old = __atomic64_or_barrier(mask, (long *)addr); in arch_test_and_set_bit() 91 return old & mask; in arch_test_and_set_bit() 99 unsigned long old; in arch_test_and_clear_bit() local 101 old = __atomic64_and_barrier(~mask, (long *)addr); in arch_test_and_clear_bit() 102 return old & mask; in arch_test_and_clear_bit() 110 unsigned long old; in arch_test_and_change_bit() local 112 old = __atomic64_xor_barrier(mask, (long *)addr); in arch_test_and_change_bit() 113 return old & mask; in arch_test_and_change_bit() 148 unsigned long old; in arch___test_and_set_bit() local [all …]
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/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 …]
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/linux/arch/arm64/kvm/hyp/ |
H A D | exception.c | 94 unsigned long sctlr, vbar, old, new, mode; in enter_exception64() local 126 old = *vcpu_cpsr(vcpu); in enter_exception64() 129 new |= (old & PSR_N_BIT); in enter_exception64() 130 new |= (old & PSR_Z_BIT); in enter_exception64() 131 new |= (old & PSR_C_BIT); in enter_exception64() 132 new |= (old & PSR_V_BIT); in enter_exception64() 137 new |= (old & PSR_DIT_BIT); in enter_exception64() 145 new |= (old & PSR_PAN_BIT); in enter_exception64() 171 __vcpu_write_spsr(vcpu, target_mode, old); in enter_exception64() 195 unsigned long old, new; in get_except32_cpsr() local [all …]
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/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()
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/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 …]
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/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 …]
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/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 …]
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/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 …]
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/linux/net/smc/ |
H A D | smc_cdc.h | 150 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 …]
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/linux/drivers/hid/usbhid/ |
H A D | hid-pidff.c | 262 struct ff_envelope *old) in pidff_needs_set_envelope() argument 264 return envelope->attack_level != old->attack_level || in pidff_needs_set_envelope() 265 envelope->fade_level != old->fade_level || in pidff_needs_set_envelope() 266 envelope->attack_length != old->attack_length || in pidff_needs_set_envelope() 267 envelope->fade_length != old->fade_length; in pidff_needs_set_envelope() 289 struct ff_effect *old) in pidff_needs_set_constant() argument 291 return effect->u.constant.level != old->u.constant.level; in pidff_needs_set_constant() 324 struct ff_effect *old) in pidff_needs_set_effect() argument 326 return effect->replay.length != old->replay.length || in pidff_needs_set_effect() 327 effect->trigger.interval != old->trigger.interval || in pidff_needs_set_effect() [all …]
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/linux/arch/sparc/lib/ |
H A D | atomic32.c | 83 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 …]
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/linux/arch/alpha/include/asm/ |
H A D | cmpxchg.h | 117 ____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 …]
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