| /linux/drivers/iommu/intel/ |
| H A D | pasid.h | 90 WRITE_ONCE(pe->val[0], 0); in pasid_clear_entry()
91 WRITE_ONCE(pe->val[1], 0); in pasid_clear_entry()
92 WRITE_ONCE(pe->val[2], 0); in pasid_clear_entry()
93 WRITE_ONCE(pe->val[3], 0); in pasid_clear_entry()
94 WRITE_ONCE(pe->val[4], 0); in pasid_clear_entry()
95 WRITE_ONCE(pe->val[5], 0); in pasid_clear_entry()
96 WRITE_ONCE(pe->val[6], 0); in pasid_clear_entry()
97 WRITE_ONCE(pe->val[7], 0); in pasid_clear_entry()
102 WRITE_ONCE(pe->val[0], PASID_PTE_FPD); in pasid_clear_entry_with_fpd()
103 WRITE_ONCE(pe->val[1], 0); in pasid_clear_entry_with_fpd()
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| /linux/kernel/rcu/ |
| H A D | rcu_segcblist.c | 32 WRITE_ONCE(rclp->len, rclp->len + 1); in rcu_cblist_enqueue()
59 WRITE_ONCE(srclp->len, 1); in rcu_cblist_flush_enqueue()
87 WRITE_ONCE(rsclp->len, v); in rcu_segcblist_set_len()
112 WRITE_ONCE(rsclp->seglen[seg], v); in rcu_segcblist_set_seglen()
118 WRITE_ONCE(rsclp->seglen[seg], rsclp->seglen[seg] + v); in rcu_segcblist_add_seglen()
218 WRITE_ONCE(rsclp->len, rsclp->len + v); in rcu_segcblist_add_len()
335 WRITE_ONCE(*rsclp->tails[RCU_NEXT_TAIL], rhp); in rcu_segcblist_enqueue()
336 WRITE_ONCE(rsclp->tails[RCU_NEXT_TAIL], &rhp->next); in rcu_segcblist_enqueue()
363 WRITE_ONCE(*rsclp->tails[i], rhp); in rcu_segcblist_entrain()
365 WRITE_ONCE(rsclp->tails[i], &rhp->next); in rcu_segcblist_entrain()
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| H A D | sync.c | 70 WRITE_ONCE(rsp->gp_state, GP_PASSED); in rcu_sync_func()
77 WRITE_ONCE(rsp->gp_state, GP_EXIT); in rcu_sync_func()
85 WRITE_ONCE(rsp->gp_state, GP_IDLE); in rcu_sync_func()
112 WRITE_ONCE(rsp->gp_state, GP_ENTER); in rcu_sync_enter()
160 WRITE_ONCE(rsp->gp_state, GP_EXIT); in rcu_sync_exit()
163 WRITE_ONCE(rsp->gp_state, GP_REPLAY); in rcu_sync_exit()
182 WRITE_ONCE(rsp->gp_state, GP_EXIT); in rcu_sync_dtor()
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| H A D | tree.c | 464 WRITE_ONCE(jiffies_to_sched_qs, jiffies_till_sched_qs); in adjust_jiffies_till_sched_qs()
473 WRITE_ONCE(jiffies_to_sched_qs, j); in adjust_jiffies_till_sched_qs()
482 WRITE_ONCE(*(ulong *)kp->arg, (j > HZ) ? HZ : j); in param_set_first_fqs_jiffies()
494 WRITE_ONCE(*(ulong *)kp->arg, (j > HZ) ? HZ : (j ?: 1)); in param_set_next_fqs_jiffies()
690 WRITE_ONCE(rdp->rcu_forced_tick, true); in __rcu_irq_enter_check_tick()
723 WRITE_ONCE(rdp->rcu_urgent_qs, false); in rcu_disable_urgency_upon_qs()
724 WRITE_ONCE(rdp->rcu_need_heavy_qs, false); in rcu_disable_urgency_upon_qs()
727 WRITE_ONCE(rdp->rcu_forced_tick, false); in rcu_disable_urgency_upon_qs()
790 WRITE_ONCE(seq_gpwrap_lag, lag_seq_count); in rcu_set_gpwrap_lag()
806 WRITE_ONCE(rdp->gpwrap, true); in rcu_gpnum_ovf()
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| H A D | srcutiny.c | 107 WRITE_ONCE(ssp->srcu_lock_nesting[idx], newval); in __srcu_read_unlock()
134 WRITE_ONCE(ssp->srcu_gp_running, true); in srcu_drive_gp()
141 WRITE_ONCE(ssp->srcu_idx, ssp->srcu_idx + 1); in srcu_drive_gp()
142 WRITE_ONCE(ssp->srcu_gp_waiting, true); /* srcu_read_unlock() wakes! */ in srcu_drive_gp()
151 WRITE_ONCE(ssp->srcu_gp_waiting, false); /* srcu_read_unlock() cheap. */ in srcu_drive_gp()
152 WRITE_ONCE(ssp->srcu_idx, ssp->srcu_idx + 1); in srcu_drive_gp()
172 WRITE_ONCE(ssp->srcu_gp_running, false); in srcu_drive_gp()
189 WRITE_ONCE(ssp->srcu_idx_max, cookie); in srcu_gp_start_if_needed()
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| /linux/Documentation/translations/ko_KR/ |
| H A D | memory-barriers.txt | 277 a = READ_ONCE(*X); WRITE_ONCE(*X, b);
285 WRITE_ONCE(*X, c); d = READ_ONCE(*X);
296 (*) 컴파일러가 READ_ONCE() 나 WRITE_ONCE() 로 보호되지 않은 메모리 액세스를
600 WRITE_ONCE(P, &B)
630 WRITE_ONCE(P, &B);
660 WRITE_ONCE(P, &B);
662 WRITE_ONCE(*Q, 5);
726 WRITE_ONCE(b, 1);
730 하나, READ_ONCE() 도 WRITE_ONCE() 도 선택사항이 아니라 필수사항임을 부디
732 또다른 로드와 조합할 수 있습니다. WRITE_ONCE() 가 없다면, 컴파일러는 'b' 로의
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| /linux/tools/lib/ |
| H A D | rbtree.c | 39 * WRITE_ONCE(). And we must not inadvertently cause (temporary) loops in the
155 WRITE_ONCE(parent->rb_right, tmp); in __rb_insert()
156 WRITE_ONCE(node->rb_left, parent); in __rb_insert()
176 WRITE_ONCE(gparent->rb_left, tmp); /* == parent->rb_right */ in __rb_insert()
177 WRITE_ONCE(parent->rb_right, gparent); in __rb_insert()
199 WRITE_ONCE(parent->rb_left, tmp); in __rb_insert()
200 WRITE_ONCE(node->rb_right, parent); in __rb_insert()
211 WRITE_ONCE(gparent->rb_right, tmp); /* == parent->rb_left */ in __rb_insert()
212 WRITE_ONCE(parent->rb_left, gparent); in __rb_insert()
253 WRITE_ONCE(paren in ____rb_erase_color()
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| /linux/lib/ |
| H A D | rbtree.c | 155 WRITE_ONCE(parent->rb_right, tmp); in __rb_insert()
156 WRITE_ONCE(node->rb_left, parent); in __rb_insert()
176 WRITE_ONCE(gparent->rb_left, tmp); /* == parent->rb_right */ in __rb_insert()
177 WRITE_ONCE(parent->rb_right, gparent); in __rb_insert()
199 WRITE_ONCE(parent->rb_left, tmp); in __rb_insert()
200 WRITE_ONCE(node->rb_right, parent); in __rb_insert()
211 WRITE_ONCE(gparent->rb_right, tmp); /* == parent->rb_left */ in __rb_insert()
212 WRITE_ONCE(parent->rb_left, gparent); in __rb_insert()
253 WRITE_ONCE(parent->rb_right, tmp1); in ____rb_erase_color()
254 WRITE_ONCE(sibling->rb_left, parent); in ____rb_erase_color()
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| /linux/arch/xtensa/platforms/xtfpga/ |
| H A D | lcd.c | 37 WRITE_ONCE(*addr, data); in lcd_put_byte()
39 WRITE_ONCE(*addr, data & 0xf0); in lcd_put_byte()
40 WRITE_ONCE(*addr, (data << 4) & 0xf0); in lcd_put_byte()
46 WRITE_ONCE(*LCD_INSTR_ADDR, LCD_DISPLAY_MODE8BIT); in lcd_init()
48 WRITE_ONCE(*LCD_INSTR_ADDR, LCD_DISPLAY_MODE8BIT); in lcd_init()
50 WRITE_ONCE(*LCD_INSTR_ADDR, LCD_DISPLAY_MODE8BIT); in lcd_init()
53 WRITE_ONCE(*LCD_INSTR_ADDR, LCD_DISPLAY_MODE4BIT); in lcd_init()
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| /linux/drivers/net/wireless/ath/ath9k/ |
| H A D | ar9003_mac.c | 42 WRITE_ONCE(ads->info, val); in ar9003_set_txdesc()
45 WRITE_ONCE(ads->link, i->link); in ar9003_set_txdesc()
48 WRITE_ONCE(ads->data0, i->buf_addr[0]); in ar9003_set_txdesc()
50 WRITE_ONCE(ads->data1, i->buf_addr[1]); in ar9003_set_txdesc()
52 WRITE_ONCE(ads->data2, i->buf_addr[2]); in ar9003_set_txdesc()
54 WRITE_ONCE(ads->data3, i->buf_addr[3]); in ar9003_set_txdesc()
57 WRITE_ONCE(ads->ctl3, val); in ar9003_set_txdesc()
59 WRITE_ONCE(ads->ctl5, val); in ar9003_set_txdesc()
61 WRITE_ONCE(ads->ctl7, val); in ar9003_set_txdesc()
63 WRITE_ONCE(ads->ctl9, val); in ar9003_set_txdesc()
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| H A D | ar9002_mac.c | 223 WRITE_ONCE(ads->ds_link, i->link); in ar9002_set_txdesc()
224 WRITE_ONCE(ads->ds_data, i->buf_addr[0]); in ar9002_set_txdesc()
238 WRITE_ONCE(ads->ds_ctl2, set11nTries(i->rates, 0) in ar9002_set_txdesc()
245 WRITE_ONCE(ads->ds_ctl3, set11nRate(i->rates, 0) in ar9002_set_txdesc()
250 WRITE_ONCE(ads->ds_ctl2, 0); in ar9002_set_txdesc()
251 WRITE_ONCE(ads->ds_ctl3, 0); in ar9002_set_txdesc()
255 WRITE_ONCE(ads->ds_ctl0, 0); in ar9002_set_txdesc()
256 WRITE_ONCE(ads->ds_ctl1, ctl1); in ar9002_set_txdesc()
257 WRITE_ONCE(ads->ds_ctl6, ctl6); in ar9002_set_txdesc()
282 WRITE_ONCE(ads->ds_ctl0, (i->pkt_len & AR_FrameLen) in ar9002_set_txdesc()
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| /linux/tools/testing/selftests/bpf/ |
| H A D | bpf_arena_list.h | 49 WRITE_ONCE(n->next, first); in list_add_head()
54 WRITE_ONCE(first->pprev, tmp); in list_add_head()
57 WRITE_ONCE(h->first, n); in list_add_head()
62 WRITE_ONCE(n->pprev, tmp); in list_add_head()
72 WRITE_ONCE(*pprev, next); in __list_del()
76 WRITE_ONCE(next->pprev, pprev); in __list_del()
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| /linux/tools/memory-model/litmus-tests/ |
| H A D | S+poonceonces.litmus | 8 * is replaced by WRITE_ONCE() and the smp_load_acquire() replaced by
16 WRITE_ONCE(*x, 2);
17 WRITE_ONCE(*y, 1);
25 WRITE_ONCE(*x, 1);
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| H A D | ISA2+poonceonces.litmus | 8 * smp_store_release() invocations are replaced by WRITE_ONCE() and all
16 WRITE_ONCE(*x, 1);
17 WRITE_ONCE(*y, 1);
25 WRITE_ONCE(*z, 1);
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| H A D | Z6.0+pooncelock+poonceLock+pombonce.litmus | 17 WRITE_ONCE(*x, 1);
18 WRITE_ONCE(*y, 1);
29 WRITE_ONCE(*z, 1);
37 WRITE_ONCE(*z, 2);
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| H A D | Z6.0+pooncelock+pooncelock+pombonce.litmus | 16 WRITE_ONCE(*x, 1);
17 WRITE_ONCE(*y, 1);
27 WRITE_ONCE(*z, 1);
35 WRITE_ONCE(*z, 2);
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| H A D | S+fencewmbonceonce+poacquireonce.litmus | 14 WRITE_ONCE(*x, 2);
16 WRITE_ONCE(*y, 1);
24 WRITE_ONCE(*x, 1);
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| H A D | R+poonceonces.litmus | 15 WRITE_ONCE(*x, 1);
16 WRITE_ONCE(*y, 1);
23 WRITE_ONCE(*y, 2);
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| /linux/arch/x86/include/asm/ |
| H A D | pgtable-3level.h | 38 WRITE_ONCE(ptep->pte_high, pte.pte_high); in native_set_pte()
40 WRITE_ONCE(ptep->pte_low, pte.pte_low); in native_set_pte()
69 WRITE_ONCE(ptep->pte_low, 0); in native_pte_clear()
71 WRITE_ONCE(ptep->pte_high, 0); in native_pte_clear()
76 WRITE_ONCE(pmdp->pmd_low, 0); in native_pmd_clear()
78 WRITE_ONCE(pmdp->pmd_high, 0); in native_pmd_clear()
139 WRITE_ONCE(pmdp->pmd_high, pmd.pmd_high); in pmdp_establish()
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| /linux/tools/memory-model/Documentation/ |
| H A D | locking.txt | 34 WRITE_ONCE(x, 1);
36 WRITE_ONCE(y, 1);
75 WRITE_ONCE(x, 1);
77 WRITE_ONCE(y, 1);
106 WRITE_ONCE(data, 1);
107 WRITE_ONCE(flag, 1);
117 no ordering between the two WRITE_ONCE() calls. It should therefore be
131 WRITE_ONCE(data, 1);
143 ordered after the WRITE_ONCE() to "data", solving the second problem.
163 WRITE_ONCE(x, 1);
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| H A D | control-dependencies.txt | 37 WRITE_ONCE(b, 1);
41 WRITE_ONCE() are optional. Without the READ_ONCE(), the compiler might
42 fuse the load from "a" with other loads. Without the WRITE_ONCE(),
55 So don't leave out either the READ_ONCE() or the WRITE_ONCE().
65 WRITE_ONCE(b, 1);
69 WRITE_ONCE(b, 1);
78 WRITE_ONCE(b, 1); /* BUG: No ordering vs. load from a!!! */
80 /* WRITE_ONCE(b, 1); -- moved up, BUG!!! */
83 /* WRITE_ONCE(b, 1); -- moved up, BUG!!! */
108 WRITE_ONCE(b, 1);
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| /linux/Documentation/litmus-tests/locking/ |
| H A D | DCL-broken.litmus | 26 WRITE_ONCE(*data, 1);
27 WRITE_ONCE(*flag, 1);
45 WRITE_ONCE(*data, 1);
46 WRITE_ONCE(*flag, 1);
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| /linux/fs/smb/server/ |
| H A D | connection.h | 225 WRITE_ONCE(conn->status, KSMBD_SESS_NEW); in ksmbd_conn_set_new()
230 WRITE_ONCE(conn->status, KSMBD_SESS_GOOD); in ksmbd_conn_set_good()
235 WRITE_ONCE(conn->status, KSMBD_SESS_NEED_NEGOTIATE); in ksmbd_conn_set_need_negotiate()
240 WRITE_ONCE(conn->status, KSMBD_SESS_NEED_SETUP); in ksmbd_conn_set_need_setup()
245 WRITE_ONCE(conn->status, KSMBD_SESS_NEED_RECONNECT); in ksmbd_conn_set_need_reconnect()
250 WRITE_ONCE(conn->status, KSMBD_SESS_EXITING); in ksmbd_conn_set_exiting()
255 WRITE_ONCE(conn->status, KSMBD_SESS_RELEASING); in ksmbd_conn_set_releasing()
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| /linux/arch/arm64/include/asm/ |
| H A D | preempt.h | 18 WRITE_ONCE(current_thread_info()->preempt.count, pc); in preempt_count_set()
48 WRITE_ONCE(current_thread_info()->preempt.count, pc); in __preempt_count_add()
55 WRITE_ONCE(current_thread_info()->preempt.count, pc); in __preempt_count_sub()
64 WRITE_ONCE(ti->preempt.count, --pc); in __preempt_count_dec_and_test()
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| /linux/kernel/locking/ |
| H A D | qspinlock_paravirt.h | 112 WRITE_ONCE(lock->pending, 1); in set_pending()
218 WRITE_ONCE(he->node, node); in pv_hash()
245 WRITE_ONCE(he->lock, NULL); in pv_unhash()
387 WRITE_ONCE(lock->locked, _Q_SLOW_VAL); in pv_kick_node()
423 WRITE_ONCE(pn->state, VCPU_RUNNING); in pv_wait_head_or_lock()
458 WRITE_ONCE(lock->locked, _Q_LOCKED_VAL); in pv_wait_head_or_lock()
459 WRITE_ONCE(*lp, NULL); in pv_wait_head_or_lock()
463 WRITE_ONCE(pn->state, VCPU_HASHED); in pv_wait_head_or_lock()
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