1 | // SPDX-License-Identifier: GPL-2.0 |
2 | |
3 | // Generated by scripts/atomic/gen-atomic-instrumented.sh |
4 | // DO NOT MODIFY THIS FILE DIRECTLY |
5 | |
6 | /* |
7 | * This file provoides atomic operations with explicit instrumentation (e.g. |
8 | * KASAN, KCSAN), which should be used unless it is necessary to avoid |
9 | * instrumentation. Where it is necessary to aovid instrumenation, the |
10 | * raw_atomic*() operations should be used. |
11 | */ |
12 | #ifndef _LINUX_ATOMIC_INSTRUMENTED_H |
13 | #define _LINUX_ATOMIC_INSTRUMENTED_H |
14 | |
15 | #include <linux/build_bug.h> |
16 | #include <linux/compiler.h> |
17 | #include <linux/instrumented.h> |
18 | |
19 | /** |
20 | * atomic_read() - atomic load with relaxed ordering |
21 | * @v: pointer to atomic_t |
22 | * |
23 | * Atomically loads the value of @v with relaxed ordering. |
24 | * |
25 | * Unsafe to use in noinstr code; use raw_atomic_read() there. |
26 | * |
27 | * Return: The value loaded from @v. |
28 | */ |
29 | static __always_inline int |
30 | atomic_read(const atomic_t *v) |
31 | { |
32 | instrument_atomic_read(v, size: sizeof(*v)); |
33 | return raw_atomic_read(v); |
34 | } |
35 | |
36 | /** |
37 | * atomic_read_acquire() - atomic load with acquire ordering |
38 | * @v: pointer to atomic_t |
39 | * |
40 | * Atomically loads the value of @v with acquire ordering. |
41 | * |
42 | * Unsafe to use in noinstr code; use raw_atomic_read_acquire() there. |
43 | * |
44 | * Return: The value loaded from @v. |
45 | */ |
46 | static __always_inline int |
47 | atomic_read_acquire(const atomic_t *v) |
48 | { |
49 | instrument_atomic_read(v, size: sizeof(*v)); |
50 | return raw_atomic_read_acquire(v); |
51 | } |
52 | |
53 | /** |
54 | * atomic_set() - atomic set with relaxed ordering |
55 | * @v: pointer to atomic_t |
56 | * @i: int value to assign |
57 | * |
58 | * Atomically sets @v to @i with relaxed ordering. |
59 | * |
60 | * Unsafe to use in noinstr code; use raw_atomic_set() there. |
61 | * |
62 | * Return: Nothing. |
63 | */ |
64 | static __always_inline void |
65 | atomic_set(atomic_t *v, int i) |
66 | { |
67 | instrument_atomic_write(v, size: sizeof(*v)); |
68 | raw_atomic_set(v, i); |
69 | } |
70 | |
71 | /** |
72 | * atomic_set_release() - atomic set with release ordering |
73 | * @v: pointer to atomic_t |
74 | * @i: int value to assign |
75 | * |
76 | * Atomically sets @v to @i with release ordering. |
77 | * |
78 | * Unsafe to use in noinstr code; use raw_atomic_set_release() there. |
79 | * |
80 | * Return: Nothing. |
81 | */ |
82 | static __always_inline void |
83 | atomic_set_release(atomic_t *v, int i) |
84 | { |
85 | kcsan_release(); |
86 | instrument_atomic_write(v, size: sizeof(*v)); |
87 | raw_atomic_set_release(v, i); |
88 | } |
89 | |
90 | /** |
91 | * atomic_add() - atomic add with relaxed ordering |
92 | * @i: int value to add |
93 | * @v: pointer to atomic_t |
94 | * |
95 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
96 | * |
97 | * Unsafe to use in noinstr code; use raw_atomic_add() there. |
98 | * |
99 | * Return: Nothing. |
100 | */ |
101 | static __always_inline void |
102 | atomic_add(int i, atomic_t *v) |
103 | { |
104 | instrument_atomic_read_write(v, size: sizeof(*v)); |
105 | raw_atomic_add(i, v); |
106 | } |
107 | |
108 | /** |
109 | * atomic_add_return() - atomic add with full ordering |
110 | * @i: int value to add |
111 | * @v: pointer to atomic_t |
112 | * |
113 | * Atomically updates @v to (@v + @i) with full ordering. |
114 | * |
115 | * Unsafe to use in noinstr code; use raw_atomic_add_return() there. |
116 | * |
117 | * Return: The updated value of @v. |
118 | */ |
119 | static __always_inline int |
120 | atomic_add_return(int i, atomic_t *v) |
121 | { |
122 | kcsan_mb(); |
123 | instrument_atomic_read_write(v, size: sizeof(*v)); |
124 | return raw_atomic_add_return(i, v); |
125 | } |
126 | |
127 | /** |
128 | * atomic_add_return_acquire() - atomic add with acquire ordering |
129 | * @i: int value to add |
130 | * @v: pointer to atomic_t |
131 | * |
132 | * Atomically updates @v to (@v + @i) with acquire ordering. |
133 | * |
134 | * Unsafe to use in noinstr code; use raw_atomic_add_return_acquire() there. |
135 | * |
136 | * Return: The updated value of @v. |
137 | */ |
138 | static __always_inline int |
139 | atomic_add_return_acquire(int i, atomic_t *v) |
140 | { |
141 | instrument_atomic_read_write(v, size: sizeof(*v)); |
142 | return raw_atomic_add_return_acquire(i, v); |
143 | } |
144 | |
145 | /** |
146 | * atomic_add_return_release() - atomic add with release ordering |
147 | * @i: int value to add |
148 | * @v: pointer to atomic_t |
149 | * |
150 | * Atomically updates @v to (@v + @i) with release ordering. |
151 | * |
152 | * Unsafe to use in noinstr code; use raw_atomic_add_return_release() there. |
153 | * |
154 | * Return: The updated value of @v. |
155 | */ |
156 | static __always_inline int |
157 | atomic_add_return_release(int i, atomic_t *v) |
158 | { |
159 | kcsan_release(); |
160 | instrument_atomic_read_write(v, size: sizeof(*v)); |
161 | return raw_atomic_add_return_release(i, v); |
162 | } |
163 | |
164 | /** |
165 | * atomic_add_return_relaxed() - atomic add with relaxed ordering |
166 | * @i: int value to add |
167 | * @v: pointer to atomic_t |
168 | * |
169 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
170 | * |
171 | * Unsafe to use in noinstr code; use raw_atomic_add_return_relaxed() there. |
172 | * |
173 | * Return: The updated value of @v. |
174 | */ |
175 | static __always_inline int |
176 | atomic_add_return_relaxed(int i, atomic_t *v) |
177 | { |
178 | instrument_atomic_read_write(v, size: sizeof(*v)); |
179 | return raw_atomic_add_return_relaxed(i, v); |
180 | } |
181 | |
182 | /** |
183 | * atomic_fetch_add() - atomic add with full ordering |
184 | * @i: int value to add |
185 | * @v: pointer to atomic_t |
186 | * |
187 | * Atomically updates @v to (@v + @i) with full ordering. |
188 | * |
189 | * Unsafe to use in noinstr code; use raw_atomic_fetch_add() there. |
190 | * |
191 | * Return: The original value of @v. |
192 | */ |
193 | static __always_inline int |
194 | atomic_fetch_add(int i, atomic_t *v) |
195 | { |
196 | kcsan_mb(); |
197 | instrument_atomic_read_write(v, size: sizeof(*v)); |
198 | return raw_atomic_fetch_add(i, v); |
199 | } |
200 | |
201 | /** |
202 | * atomic_fetch_add_acquire() - atomic add with acquire ordering |
203 | * @i: int value to add |
204 | * @v: pointer to atomic_t |
205 | * |
206 | * Atomically updates @v to (@v + @i) with acquire ordering. |
207 | * |
208 | * Unsafe to use in noinstr code; use raw_atomic_fetch_add_acquire() there. |
209 | * |
210 | * Return: The original value of @v. |
211 | */ |
212 | static __always_inline int |
213 | atomic_fetch_add_acquire(int i, atomic_t *v) |
214 | { |
215 | instrument_atomic_read_write(v, size: sizeof(*v)); |
216 | return raw_atomic_fetch_add_acquire(i, v); |
217 | } |
218 | |
219 | /** |
220 | * atomic_fetch_add_release() - atomic add with release ordering |
221 | * @i: int value to add |
222 | * @v: pointer to atomic_t |
223 | * |
224 | * Atomically updates @v to (@v + @i) with release ordering. |
225 | * |
226 | * Unsafe to use in noinstr code; use raw_atomic_fetch_add_release() there. |
227 | * |
228 | * Return: The original value of @v. |
229 | */ |
230 | static __always_inline int |
231 | atomic_fetch_add_release(int i, atomic_t *v) |
232 | { |
233 | kcsan_release(); |
234 | instrument_atomic_read_write(v, size: sizeof(*v)); |
235 | return raw_atomic_fetch_add_release(i, v); |
236 | } |
237 | |
238 | /** |
239 | * atomic_fetch_add_relaxed() - atomic add with relaxed ordering |
240 | * @i: int value to add |
241 | * @v: pointer to atomic_t |
242 | * |
243 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
244 | * |
245 | * Unsafe to use in noinstr code; use raw_atomic_fetch_add_relaxed() there. |
246 | * |
247 | * Return: The original value of @v. |
248 | */ |
249 | static __always_inline int |
250 | atomic_fetch_add_relaxed(int i, atomic_t *v) |
251 | { |
252 | instrument_atomic_read_write(v, size: sizeof(*v)); |
253 | return raw_atomic_fetch_add_relaxed(i, v); |
254 | } |
255 | |
256 | /** |
257 | * atomic_sub() - atomic subtract with relaxed ordering |
258 | * @i: int value to subtract |
259 | * @v: pointer to atomic_t |
260 | * |
261 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
262 | * |
263 | * Unsafe to use in noinstr code; use raw_atomic_sub() there. |
264 | * |
265 | * Return: Nothing. |
266 | */ |
267 | static __always_inline void |
268 | atomic_sub(int i, atomic_t *v) |
269 | { |
270 | instrument_atomic_read_write(v, size: sizeof(*v)); |
271 | raw_atomic_sub(i, v); |
272 | } |
273 | |
274 | /** |
275 | * atomic_sub_return() - atomic subtract with full ordering |
276 | * @i: int value to subtract |
277 | * @v: pointer to atomic_t |
278 | * |
279 | * Atomically updates @v to (@v - @i) with full ordering. |
280 | * |
281 | * Unsafe to use in noinstr code; use raw_atomic_sub_return() there. |
282 | * |
283 | * Return: The updated value of @v. |
284 | */ |
285 | static __always_inline int |
286 | atomic_sub_return(int i, atomic_t *v) |
287 | { |
288 | kcsan_mb(); |
289 | instrument_atomic_read_write(v, size: sizeof(*v)); |
290 | return raw_atomic_sub_return(i, v); |
291 | } |
292 | |
293 | /** |
294 | * atomic_sub_return_acquire() - atomic subtract with acquire ordering |
295 | * @i: int value to subtract |
296 | * @v: pointer to atomic_t |
297 | * |
298 | * Atomically updates @v to (@v - @i) with acquire ordering. |
299 | * |
300 | * Unsafe to use in noinstr code; use raw_atomic_sub_return_acquire() there. |
301 | * |
302 | * Return: The updated value of @v. |
303 | */ |
304 | static __always_inline int |
305 | atomic_sub_return_acquire(int i, atomic_t *v) |
306 | { |
307 | instrument_atomic_read_write(v, size: sizeof(*v)); |
308 | return raw_atomic_sub_return_acquire(i, v); |
309 | } |
310 | |
311 | /** |
312 | * atomic_sub_return_release() - atomic subtract with release ordering |
313 | * @i: int value to subtract |
314 | * @v: pointer to atomic_t |
315 | * |
316 | * Atomically updates @v to (@v - @i) with release ordering. |
317 | * |
318 | * Unsafe to use in noinstr code; use raw_atomic_sub_return_release() there. |
319 | * |
320 | * Return: The updated value of @v. |
321 | */ |
322 | static __always_inline int |
323 | atomic_sub_return_release(int i, atomic_t *v) |
324 | { |
325 | kcsan_release(); |
326 | instrument_atomic_read_write(v, size: sizeof(*v)); |
327 | return raw_atomic_sub_return_release(i, v); |
328 | } |
329 | |
330 | /** |
331 | * atomic_sub_return_relaxed() - atomic subtract with relaxed ordering |
332 | * @i: int value to subtract |
333 | * @v: pointer to atomic_t |
334 | * |
335 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
336 | * |
337 | * Unsafe to use in noinstr code; use raw_atomic_sub_return_relaxed() there. |
338 | * |
339 | * Return: The updated value of @v. |
340 | */ |
341 | static __always_inline int |
342 | atomic_sub_return_relaxed(int i, atomic_t *v) |
343 | { |
344 | instrument_atomic_read_write(v, size: sizeof(*v)); |
345 | return raw_atomic_sub_return_relaxed(i, v); |
346 | } |
347 | |
348 | /** |
349 | * atomic_fetch_sub() - atomic subtract with full ordering |
350 | * @i: int value to subtract |
351 | * @v: pointer to atomic_t |
352 | * |
353 | * Atomically updates @v to (@v - @i) with full ordering. |
354 | * |
355 | * Unsafe to use in noinstr code; use raw_atomic_fetch_sub() there. |
356 | * |
357 | * Return: The original value of @v. |
358 | */ |
359 | static __always_inline int |
360 | atomic_fetch_sub(int i, atomic_t *v) |
361 | { |
362 | kcsan_mb(); |
363 | instrument_atomic_read_write(v, size: sizeof(*v)); |
364 | return raw_atomic_fetch_sub(i, v); |
365 | } |
366 | |
367 | /** |
368 | * atomic_fetch_sub_acquire() - atomic subtract with acquire ordering |
369 | * @i: int value to subtract |
370 | * @v: pointer to atomic_t |
371 | * |
372 | * Atomically updates @v to (@v - @i) with acquire ordering. |
373 | * |
374 | * Unsafe to use in noinstr code; use raw_atomic_fetch_sub_acquire() there. |
375 | * |
376 | * Return: The original value of @v. |
377 | */ |
378 | static __always_inline int |
379 | atomic_fetch_sub_acquire(int i, atomic_t *v) |
380 | { |
381 | instrument_atomic_read_write(v, size: sizeof(*v)); |
382 | return raw_atomic_fetch_sub_acquire(i, v); |
383 | } |
384 | |
385 | /** |
386 | * atomic_fetch_sub_release() - atomic subtract with release ordering |
387 | * @i: int value to subtract |
388 | * @v: pointer to atomic_t |
389 | * |
390 | * Atomically updates @v to (@v - @i) with release ordering. |
391 | * |
392 | * Unsafe to use in noinstr code; use raw_atomic_fetch_sub_release() there. |
393 | * |
394 | * Return: The original value of @v. |
395 | */ |
396 | static __always_inline int |
397 | atomic_fetch_sub_release(int i, atomic_t *v) |
398 | { |
399 | kcsan_release(); |
400 | instrument_atomic_read_write(v, size: sizeof(*v)); |
401 | return raw_atomic_fetch_sub_release(i, v); |
402 | } |
403 | |
404 | /** |
405 | * atomic_fetch_sub_relaxed() - atomic subtract with relaxed ordering |
406 | * @i: int value to subtract |
407 | * @v: pointer to atomic_t |
408 | * |
409 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
410 | * |
411 | * Unsafe to use in noinstr code; use raw_atomic_fetch_sub_relaxed() there. |
412 | * |
413 | * Return: The original value of @v. |
414 | */ |
415 | static __always_inline int |
416 | atomic_fetch_sub_relaxed(int i, atomic_t *v) |
417 | { |
418 | instrument_atomic_read_write(v, size: sizeof(*v)); |
419 | return raw_atomic_fetch_sub_relaxed(i, v); |
420 | } |
421 | |
422 | /** |
423 | * atomic_inc() - atomic increment with relaxed ordering |
424 | * @v: pointer to atomic_t |
425 | * |
426 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
427 | * |
428 | * Unsafe to use in noinstr code; use raw_atomic_inc() there. |
429 | * |
430 | * Return: Nothing. |
431 | */ |
432 | static __always_inline void |
433 | atomic_inc(atomic_t *v) |
434 | { |
435 | instrument_atomic_read_write(v, size: sizeof(*v)); |
436 | raw_atomic_inc(v); |
437 | } |
438 | |
439 | /** |
440 | * atomic_inc_return() - atomic increment with full ordering |
441 | * @v: pointer to atomic_t |
442 | * |
443 | * Atomically updates @v to (@v + 1) with full ordering. |
444 | * |
445 | * Unsafe to use in noinstr code; use raw_atomic_inc_return() there. |
446 | * |
447 | * Return: The updated value of @v. |
448 | */ |
449 | static __always_inline int |
450 | atomic_inc_return(atomic_t *v) |
451 | { |
452 | kcsan_mb(); |
453 | instrument_atomic_read_write(v, size: sizeof(*v)); |
454 | return raw_atomic_inc_return(v); |
455 | } |
456 | |
457 | /** |
458 | * atomic_inc_return_acquire() - atomic increment with acquire ordering |
459 | * @v: pointer to atomic_t |
460 | * |
461 | * Atomically updates @v to (@v + 1) with acquire ordering. |
462 | * |
463 | * Unsafe to use in noinstr code; use raw_atomic_inc_return_acquire() there. |
464 | * |
465 | * Return: The updated value of @v. |
466 | */ |
467 | static __always_inline int |
468 | atomic_inc_return_acquire(atomic_t *v) |
469 | { |
470 | instrument_atomic_read_write(v, size: sizeof(*v)); |
471 | return raw_atomic_inc_return_acquire(v); |
472 | } |
473 | |
474 | /** |
475 | * atomic_inc_return_release() - atomic increment with release ordering |
476 | * @v: pointer to atomic_t |
477 | * |
478 | * Atomically updates @v to (@v + 1) with release ordering. |
479 | * |
480 | * Unsafe to use in noinstr code; use raw_atomic_inc_return_release() there. |
481 | * |
482 | * Return: The updated value of @v. |
483 | */ |
484 | static __always_inline int |
485 | atomic_inc_return_release(atomic_t *v) |
486 | { |
487 | kcsan_release(); |
488 | instrument_atomic_read_write(v, size: sizeof(*v)); |
489 | return raw_atomic_inc_return_release(v); |
490 | } |
491 | |
492 | /** |
493 | * atomic_inc_return_relaxed() - atomic increment with relaxed ordering |
494 | * @v: pointer to atomic_t |
495 | * |
496 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
497 | * |
498 | * Unsafe to use in noinstr code; use raw_atomic_inc_return_relaxed() there. |
499 | * |
500 | * Return: The updated value of @v. |
501 | */ |
502 | static __always_inline int |
503 | atomic_inc_return_relaxed(atomic_t *v) |
504 | { |
505 | instrument_atomic_read_write(v, size: sizeof(*v)); |
506 | return raw_atomic_inc_return_relaxed(v); |
507 | } |
508 | |
509 | /** |
510 | * atomic_fetch_inc() - atomic increment with full ordering |
511 | * @v: pointer to atomic_t |
512 | * |
513 | * Atomically updates @v to (@v + 1) with full ordering. |
514 | * |
515 | * Unsafe to use in noinstr code; use raw_atomic_fetch_inc() there. |
516 | * |
517 | * Return: The original value of @v. |
518 | */ |
519 | static __always_inline int |
520 | atomic_fetch_inc(atomic_t *v) |
521 | { |
522 | kcsan_mb(); |
523 | instrument_atomic_read_write(v, size: sizeof(*v)); |
524 | return raw_atomic_fetch_inc(v); |
525 | } |
526 | |
527 | /** |
528 | * atomic_fetch_inc_acquire() - atomic increment with acquire ordering |
529 | * @v: pointer to atomic_t |
530 | * |
531 | * Atomically updates @v to (@v + 1) with acquire ordering. |
532 | * |
533 | * Unsafe to use in noinstr code; use raw_atomic_fetch_inc_acquire() there. |
534 | * |
535 | * Return: The original value of @v. |
536 | */ |
537 | static __always_inline int |
538 | atomic_fetch_inc_acquire(atomic_t *v) |
539 | { |
540 | instrument_atomic_read_write(v, size: sizeof(*v)); |
541 | return raw_atomic_fetch_inc_acquire(v); |
542 | } |
543 | |
544 | /** |
545 | * atomic_fetch_inc_release() - atomic increment with release ordering |
546 | * @v: pointer to atomic_t |
547 | * |
548 | * Atomically updates @v to (@v + 1) with release ordering. |
549 | * |
550 | * Unsafe to use in noinstr code; use raw_atomic_fetch_inc_release() there. |
551 | * |
552 | * Return: The original value of @v. |
553 | */ |
554 | static __always_inline int |
555 | atomic_fetch_inc_release(atomic_t *v) |
556 | { |
557 | kcsan_release(); |
558 | instrument_atomic_read_write(v, size: sizeof(*v)); |
559 | return raw_atomic_fetch_inc_release(v); |
560 | } |
561 | |
562 | /** |
563 | * atomic_fetch_inc_relaxed() - atomic increment with relaxed ordering |
564 | * @v: pointer to atomic_t |
565 | * |
566 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
567 | * |
568 | * Unsafe to use in noinstr code; use raw_atomic_fetch_inc_relaxed() there. |
569 | * |
570 | * Return: The original value of @v. |
571 | */ |
572 | static __always_inline int |
573 | atomic_fetch_inc_relaxed(atomic_t *v) |
574 | { |
575 | instrument_atomic_read_write(v, size: sizeof(*v)); |
576 | return raw_atomic_fetch_inc_relaxed(v); |
577 | } |
578 | |
579 | /** |
580 | * atomic_dec() - atomic decrement with relaxed ordering |
581 | * @v: pointer to atomic_t |
582 | * |
583 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
584 | * |
585 | * Unsafe to use in noinstr code; use raw_atomic_dec() there. |
586 | * |
587 | * Return: Nothing. |
588 | */ |
589 | static __always_inline void |
590 | atomic_dec(atomic_t *v) |
591 | { |
592 | instrument_atomic_read_write(v, size: sizeof(*v)); |
593 | raw_atomic_dec(v); |
594 | } |
595 | |
596 | /** |
597 | * atomic_dec_return() - atomic decrement with full ordering |
598 | * @v: pointer to atomic_t |
599 | * |
600 | * Atomically updates @v to (@v - 1) with full ordering. |
601 | * |
602 | * Unsafe to use in noinstr code; use raw_atomic_dec_return() there. |
603 | * |
604 | * Return: The updated value of @v. |
605 | */ |
606 | static __always_inline int |
607 | atomic_dec_return(atomic_t *v) |
608 | { |
609 | kcsan_mb(); |
610 | instrument_atomic_read_write(v, size: sizeof(*v)); |
611 | return raw_atomic_dec_return(v); |
612 | } |
613 | |
614 | /** |
615 | * atomic_dec_return_acquire() - atomic decrement with acquire ordering |
616 | * @v: pointer to atomic_t |
617 | * |
618 | * Atomically updates @v to (@v - 1) with acquire ordering. |
619 | * |
620 | * Unsafe to use in noinstr code; use raw_atomic_dec_return_acquire() there. |
621 | * |
622 | * Return: The updated value of @v. |
623 | */ |
624 | static __always_inline int |
625 | atomic_dec_return_acquire(atomic_t *v) |
626 | { |
627 | instrument_atomic_read_write(v, size: sizeof(*v)); |
628 | return raw_atomic_dec_return_acquire(v); |
629 | } |
630 | |
631 | /** |
632 | * atomic_dec_return_release() - atomic decrement with release ordering |
633 | * @v: pointer to atomic_t |
634 | * |
635 | * Atomically updates @v to (@v - 1) with release ordering. |
636 | * |
637 | * Unsafe to use in noinstr code; use raw_atomic_dec_return_release() there. |
638 | * |
639 | * Return: The updated value of @v. |
640 | */ |
641 | static __always_inline int |
642 | atomic_dec_return_release(atomic_t *v) |
643 | { |
644 | kcsan_release(); |
645 | instrument_atomic_read_write(v, size: sizeof(*v)); |
646 | return raw_atomic_dec_return_release(v); |
647 | } |
648 | |
649 | /** |
650 | * atomic_dec_return_relaxed() - atomic decrement with relaxed ordering |
651 | * @v: pointer to atomic_t |
652 | * |
653 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
654 | * |
655 | * Unsafe to use in noinstr code; use raw_atomic_dec_return_relaxed() there. |
656 | * |
657 | * Return: The updated value of @v. |
658 | */ |
659 | static __always_inline int |
660 | atomic_dec_return_relaxed(atomic_t *v) |
661 | { |
662 | instrument_atomic_read_write(v, size: sizeof(*v)); |
663 | return raw_atomic_dec_return_relaxed(v); |
664 | } |
665 | |
666 | /** |
667 | * atomic_fetch_dec() - atomic decrement with full ordering |
668 | * @v: pointer to atomic_t |
669 | * |
670 | * Atomically updates @v to (@v - 1) with full ordering. |
671 | * |
672 | * Unsafe to use in noinstr code; use raw_atomic_fetch_dec() there. |
673 | * |
674 | * Return: The original value of @v. |
675 | */ |
676 | static __always_inline int |
677 | atomic_fetch_dec(atomic_t *v) |
678 | { |
679 | kcsan_mb(); |
680 | instrument_atomic_read_write(v, size: sizeof(*v)); |
681 | return raw_atomic_fetch_dec(v); |
682 | } |
683 | |
684 | /** |
685 | * atomic_fetch_dec_acquire() - atomic decrement with acquire ordering |
686 | * @v: pointer to atomic_t |
687 | * |
688 | * Atomically updates @v to (@v - 1) with acquire ordering. |
689 | * |
690 | * Unsafe to use in noinstr code; use raw_atomic_fetch_dec_acquire() there. |
691 | * |
692 | * Return: The original value of @v. |
693 | */ |
694 | static __always_inline int |
695 | atomic_fetch_dec_acquire(atomic_t *v) |
696 | { |
697 | instrument_atomic_read_write(v, size: sizeof(*v)); |
698 | return raw_atomic_fetch_dec_acquire(v); |
699 | } |
700 | |
701 | /** |
702 | * atomic_fetch_dec_release() - atomic decrement with release ordering |
703 | * @v: pointer to atomic_t |
704 | * |
705 | * Atomically updates @v to (@v - 1) with release ordering. |
706 | * |
707 | * Unsafe to use in noinstr code; use raw_atomic_fetch_dec_release() there. |
708 | * |
709 | * Return: The original value of @v. |
710 | */ |
711 | static __always_inline int |
712 | atomic_fetch_dec_release(atomic_t *v) |
713 | { |
714 | kcsan_release(); |
715 | instrument_atomic_read_write(v, size: sizeof(*v)); |
716 | return raw_atomic_fetch_dec_release(v); |
717 | } |
718 | |
719 | /** |
720 | * atomic_fetch_dec_relaxed() - atomic decrement with relaxed ordering |
721 | * @v: pointer to atomic_t |
722 | * |
723 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
724 | * |
725 | * Unsafe to use in noinstr code; use raw_atomic_fetch_dec_relaxed() there. |
726 | * |
727 | * Return: The original value of @v. |
728 | */ |
729 | static __always_inline int |
730 | atomic_fetch_dec_relaxed(atomic_t *v) |
731 | { |
732 | instrument_atomic_read_write(v, size: sizeof(*v)); |
733 | return raw_atomic_fetch_dec_relaxed(v); |
734 | } |
735 | |
736 | /** |
737 | * atomic_and() - atomic bitwise AND with relaxed ordering |
738 | * @i: int value |
739 | * @v: pointer to atomic_t |
740 | * |
741 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
742 | * |
743 | * Unsafe to use in noinstr code; use raw_atomic_and() there. |
744 | * |
745 | * Return: Nothing. |
746 | */ |
747 | static __always_inline void |
748 | atomic_and(int i, atomic_t *v) |
749 | { |
750 | instrument_atomic_read_write(v, size: sizeof(*v)); |
751 | raw_atomic_and(i, v); |
752 | } |
753 | |
754 | /** |
755 | * atomic_fetch_and() - atomic bitwise AND with full ordering |
756 | * @i: int value |
757 | * @v: pointer to atomic_t |
758 | * |
759 | * Atomically updates @v to (@v & @i) with full ordering. |
760 | * |
761 | * Unsafe to use in noinstr code; use raw_atomic_fetch_and() there. |
762 | * |
763 | * Return: The original value of @v. |
764 | */ |
765 | static __always_inline int |
766 | atomic_fetch_and(int i, atomic_t *v) |
767 | { |
768 | kcsan_mb(); |
769 | instrument_atomic_read_write(v, size: sizeof(*v)); |
770 | return raw_atomic_fetch_and(i, v); |
771 | } |
772 | |
773 | /** |
774 | * atomic_fetch_and_acquire() - atomic bitwise AND with acquire ordering |
775 | * @i: int value |
776 | * @v: pointer to atomic_t |
777 | * |
778 | * Atomically updates @v to (@v & @i) with acquire ordering. |
779 | * |
780 | * Unsafe to use in noinstr code; use raw_atomic_fetch_and_acquire() there. |
781 | * |
782 | * Return: The original value of @v. |
783 | */ |
784 | static __always_inline int |
785 | atomic_fetch_and_acquire(int i, atomic_t *v) |
786 | { |
787 | instrument_atomic_read_write(v, size: sizeof(*v)); |
788 | return raw_atomic_fetch_and_acquire(i, v); |
789 | } |
790 | |
791 | /** |
792 | * atomic_fetch_and_release() - atomic bitwise AND with release ordering |
793 | * @i: int value |
794 | * @v: pointer to atomic_t |
795 | * |
796 | * Atomically updates @v to (@v & @i) with release ordering. |
797 | * |
798 | * Unsafe to use in noinstr code; use raw_atomic_fetch_and_release() there. |
799 | * |
800 | * Return: The original value of @v. |
801 | */ |
802 | static __always_inline int |
803 | atomic_fetch_and_release(int i, atomic_t *v) |
804 | { |
805 | kcsan_release(); |
806 | instrument_atomic_read_write(v, size: sizeof(*v)); |
807 | return raw_atomic_fetch_and_release(i, v); |
808 | } |
809 | |
810 | /** |
811 | * atomic_fetch_and_relaxed() - atomic bitwise AND with relaxed ordering |
812 | * @i: int value |
813 | * @v: pointer to atomic_t |
814 | * |
815 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
816 | * |
817 | * Unsafe to use in noinstr code; use raw_atomic_fetch_and_relaxed() there. |
818 | * |
819 | * Return: The original value of @v. |
820 | */ |
821 | static __always_inline int |
822 | atomic_fetch_and_relaxed(int i, atomic_t *v) |
823 | { |
824 | instrument_atomic_read_write(v, size: sizeof(*v)); |
825 | return raw_atomic_fetch_and_relaxed(i, v); |
826 | } |
827 | |
828 | /** |
829 | * atomic_andnot() - atomic bitwise AND NOT with relaxed ordering |
830 | * @i: int value |
831 | * @v: pointer to atomic_t |
832 | * |
833 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
834 | * |
835 | * Unsafe to use in noinstr code; use raw_atomic_andnot() there. |
836 | * |
837 | * Return: Nothing. |
838 | */ |
839 | static __always_inline void |
840 | atomic_andnot(int i, atomic_t *v) |
841 | { |
842 | instrument_atomic_read_write(v, size: sizeof(*v)); |
843 | raw_atomic_andnot(i, v); |
844 | } |
845 | |
846 | /** |
847 | * atomic_fetch_andnot() - atomic bitwise AND NOT with full ordering |
848 | * @i: int value |
849 | * @v: pointer to atomic_t |
850 | * |
851 | * Atomically updates @v to (@v & ~@i) with full ordering. |
852 | * |
853 | * Unsafe to use in noinstr code; use raw_atomic_fetch_andnot() there. |
854 | * |
855 | * Return: The original value of @v. |
856 | */ |
857 | static __always_inline int |
858 | atomic_fetch_andnot(int i, atomic_t *v) |
859 | { |
860 | kcsan_mb(); |
861 | instrument_atomic_read_write(v, size: sizeof(*v)); |
862 | return raw_atomic_fetch_andnot(i, v); |
863 | } |
864 | |
865 | /** |
866 | * atomic_fetch_andnot_acquire() - atomic bitwise AND NOT with acquire ordering |
867 | * @i: int value |
868 | * @v: pointer to atomic_t |
869 | * |
870 | * Atomically updates @v to (@v & ~@i) with acquire ordering. |
871 | * |
872 | * Unsafe to use in noinstr code; use raw_atomic_fetch_andnot_acquire() there. |
873 | * |
874 | * Return: The original value of @v. |
875 | */ |
876 | static __always_inline int |
877 | atomic_fetch_andnot_acquire(int i, atomic_t *v) |
878 | { |
879 | instrument_atomic_read_write(v, size: sizeof(*v)); |
880 | return raw_atomic_fetch_andnot_acquire(i, v); |
881 | } |
882 | |
883 | /** |
884 | * atomic_fetch_andnot_release() - atomic bitwise AND NOT with release ordering |
885 | * @i: int value |
886 | * @v: pointer to atomic_t |
887 | * |
888 | * Atomically updates @v to (@v & ~@i) with release ordering. |
889 | * |
890 | * Unsafe to use in noinstr code; use raw_atomic_fetch_andnot_release() there. |
891 | * |
892 | * Return: The original value of @v. |
893 | */ |
894 | static __always_inline int |
895 | atomic_fetch_andnot_release(int i, atomic_t *v) |
896 | { |
897 | kcsan_release(); |
898 | instrument_atomic_read_write(v, size: sizeof(*v)); |
899 | return raw_atomic_fetch_andnot_release(i, v); |
900 | } |
901 | |
902 | /** |
903 | * atomic_fetch_andnot_relaxed() - atomic bitwise AND NOT with relaxed ordering |
904 | * @i: int value |
905 | * @v: pointer to atomic_t |
906 | * |
907 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
908 | * |
909 | * Unsafe to use in noinstr code; use raw_atomic_fetch_andnot_relaxed() there. |
910 | * |
911 | * Return: The original value of @v. |
912 | */ |
913 | static __always_inline int |
914 | atomic_fetch_andnot_relaxed(int i, atomic_t *v) |
915 | { |
916 | instrument_atomic_read_write(v, size: sizeof(*v)); |
917 | return raw_atomic_fetch_andnot_relaxed(i, v); |
918 | } |
919 | |
920 | /** |
921 | * atomic_or() - atomic bitwise OR with relaxed ordering |
922 | * @i: int value |
923 | * @v: pointer to atomic_t |
924 | * |
925 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
926 | * |
927 | * Unsafe to use in noinstr code; use raw_atomic_or() there. |
928 | * |
929 | * Return: Nothing. |
930 | */ |
931 | static __always_inline void |
932 | atomic_or(int i, atomic_t *v) |
933 | { |
934 | instrument_atomic_read_write(v, size: sizeof(*v)); |
935 | raw_atomic_or(i, v); |
936 | } |
937 | |
938 | /** |
939 | * atomic_fetch_or() - atomic bitwise OR with full ordering |
940 | * @i: int value |
941 | * @v: pointer to atomic_t |
942 | * |
943 | * Atomically updates @v to (@v | @i) with full ordering. |
944 | * |
945 | * Unsafe to use in noinstr code; use raw_atomic_fetch_or() there. |
946 | * |
947 | * Return: The original value of @v. |
948 | */ |
949 | static __always_inline int |
950 | atomic_fetch_or(int i, atomic_t *v) |
951 | { |
952 | kcsan_mb(); |
953 | instrument_atomic_read_write(v, size: sizeof(*v)); |
954 | return raw_atomic_fetch_or(i, v); |
955 | } |
956 | |
957 | /** |
958 | * atomic_fetch_or_acquire() - atomic bitwise OR with acquire ordering |
959 | * @i: int value |
960 | * @v: pointer to atomic_t |
961 | * |
962 | * Atomically updates @v to (@v | @i) with acquire ordering. |
963 | * |
964 | * Unsafe to use in noinstr code; use raw_atomic_fetch_or_acquire() there. |
965 | * |
966 | * Return: The original value of @v. |
967 | */ |
968 | static __always_inline int |
969 | atomic_fetch_or_acquire(int i, atomic_t *v) |
970 | { |
971 | instrument_atomic_read_write(v, size: sizeof(*v)); |
972 | return raw_atomic_fetch_or_acquire(i, v); |
973 | } |
974 | |
975 | /** |
976 | * atomic_fetch_or_release() - atomic bitwise OR with release ordering |
977 | * @i: int value |
978 | * @v: pointer to atomic_t |
979 | * |
980 | * Atomically updates @v to (@v | @i) with release ordering. |
981 | * |
982 | * Unsafe to use in noinstr code; use raw_atomic_fetch_or_release() there. |
983 | * |
984 | * Return: The original value of @v. |
985 | */ |
986 | static __always_inline int |
987 | atomic_fetch_or_release(int i, atomic_t *v) |
988 | { |
989 | kcsan_release(); |
990 | instrument_atomic_read_write(v, size: sizeof(*v)); |
991 | return raw_atomic_fetch_or_release(i, v); |
992 | } |
993 | |
994 | /** |
995 | * atomic_fetch_or_relaxed() - atomic bitwise OR with relaxed ordering |
996 | * @i: int value |
997 | * @v: pointer to atomic_t |
998 | * |
999 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
1000 | * |
1001 | * Unsafe to use in noinstr code; use raw_atomic_fetch_or_relaxed() there. |
1002 | * |
1003 | * Return: The original value of @v. |
1004 | */ |
1005 | static __always_inline int |
1006 | atomic_fetch_or_relaxed(int i, atomic_t *v) |
1007 | { |
1008 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1009 | return raw_atomic_fetch_or_relaxed(i, v); |
1010 | } |
1011 | |
1012 | /** |
1013 | * atomic_xor() - atomic bitwise XOR with relaxed ordering |
1014 | * @i: int value |
1015 | * @v: pointer to atomic_t |
1016 | * |
1017 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
1018 | * |
1019 | * Unsafe to use in noinstr code; use raw_atomic_xor() there. |
1020 | * |
1021 | * Return: Nothing. |
1022 | */ |
1023 | static __always_inline void |
1024 | atomic_xor(int i, atomic_t *v) |
1025 | { |
1026 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1027 | raw_atomic_xor(i, v); |
1028 | } |
1029 | |
1030 | /** |
1031 | * atomic_fetch_xor() - atomic bitwise XOR with full ordering |
1032 | * @i: int value |
1033 | * @v: pointer to atomic_t |
1034 | * |
1035 | * Atomically updates @v to (@v ^ @i) with full ordering. |
1036 | * |
1037 | * Unsafe to use in noinstr code; use raw_atomic_fetch_xor() there. |
1038 | * |
1039 | * Return: The original value of @v. |
1040 | */ |
1041 | static __always_inline int |
1042 | atomic_fetch_xor(int i, atomic_t *v) |
1043 | { |
1044 | kcsan_mb(); |
1045 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1046 | return raw_atomic_fetch_xor(i, v); |
1047 | } |
1048 | |
1049 | /** |
1050 | * atomic_fetch_xor_acquire() - atomic bitwise XOR with acquire ordering |
1051 | * @i: int value |
1052 | * @v: pointer to atomic_t |
1053 | * |
1054 | * Atomically updates @v to (@v ^ @i) with acquire ordering. |
1055 | * |
1056 | * Unsafe to use in noinstr code; use raw_atomic_fetch_xor_acquire() there. |
1057 | * |
1058 | * Return: The original value of @v. |
1059 | */ |
1060 | static __always_inline int |
1061 | atomic_fetch_xor_acquire(int i, atomic_t *v) |
1062 | { |
1063 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1064 | return raw_atomic_fetch_xor_acquire(i, v); |
1065 | } |
1066 | |
1067 | /** |
1068 | * atomic_fetch_xor_release() - atomic bitwise XOR with release ordering |
1069 | * @i: int value |
1070 | * @v: pointer to atomic_t |
1071 | * |
1072 | * Atomically updates @v to (@v ^ @i) with release ordering. |
1073 | * |
1074 | * Unsafe to use in noinstr code; use raw_atomic_fetch_xor_release() there. |
1075 | * |
1076 | * Return: The original value of @v. |
1077 | */ |
1078 | static __always_inline int |
1079 | atomic_fetch_xor_release(int i, atomic_t *v) |
1080 | { |
1081 | kcsan_release(); |
1082 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1083 | return raw_atomic_fetch_xor_release(i, v); |
1084 | } |
1085 | |
1086 | /** |
1087 | * atomic_fetch_xor_relaxed() - atomic bitwise XOR with relaxed ordering |
1088 | * @i: int value |
1089 | * @v: pointer to atomic_t |
1090 | * |
1091 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
1092 | * |
1093 | * Unsafe to use in noinstr code; use raw_atomic_fetch_xor_relaxed() there. |
1094 | * |
1095 | * Return: The original value of @v. |
1096 | */ |
1097 | static __always_inline int |
1098 | atomic_fetch_xor_relaxed(int i, atomic_t *v) |
1099 | { |
1100 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1101 | return raw_atomic_fetch_xor_relaxed(i, v); |
1102 | } |
1103 | |
1104 | /** |
1105 | * atomic_xchg() - atomic exchange with full ordering |
1106 | * @v: pointer to atomic_t |
1107 | * @new: int value to assign |
1108 | * |
1109 | * Atomically updates @v to @new with full ordering. |
1110 | * |
1111 | * Unsafe to use in noinstr code; use raw_atomic_xchg() there. |
1112 | * |
1113 | * Return: The original value of @v. |
1114 | */ |
1115 | static __always_inline int |
1116 | atomic_xchg(atomic_t *v, int new) |
1117 | { |
1118 | kcsan_mb(); |
1119 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1120 | return raw_atomic_xchg(v, new); |
1121 | } |
1122 | |
1123 | /** |
1124 | * atomic_xchg_acquire() - atomic exchange with acquire ordering |
1125 | * @v: pointer to atomic_t |
1126 | * @new: int value to assign |
1127 | * |
1128 | * Atomically updates @v to @new with acquire ordering. |
1129 | * |
1130 | * Unsafe to use in noinstr code; use raw_atomic_xchg_acquire() there. |
1131 | * |
1132 | * Return: The original value of @v. |
1133 | */ |
1134 | static __always_inline int |
1135 | atomic_xchg_acquire(atomic_t *v, int new) |
1136 | { |
1137 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1138 | return raw_atomic_xchg_acquire(v, new); |
1139 | } |
1140 | |
1141 | /** |
1142 | * atomic_xchg_release() - atomic exchange with release ordering |
1143 | * @v: pointer to atomic_t |
1144 | * @new: int value to assign |
1145 | * |
1146 | * Atomically updates @v to @new with release ordering. |
1147 | * |
1148 | * Unsafe to use in noinstr code; use raw_atomic_xchg_release() there. |
1149 | * |
1150 | * Return: The original value of @v. |
1151 | */ |
1152 | static __always_inline int |
1153 | atomic_xchg_release(atomic_t *v, int new) |
1154 | { |
1155 | kcsan_release(); |
1156 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1157 | return raw_atomic_xchg_release(v, new); |
1158 | } |
1159 | |
1160 | /** |
1161 | * atomic_xchg_relaxed() - atomic exchange with relaxed ordering |
1162 | * @v: pointer to atomic_t |
1163 | * @new: int value to assign |
1164 | * |
1165 | * Atomically updates @v to @new with relaxed ordering. |
1166 | * |
1167 | * Unsafe to use in noinstr code; use raw_atomic_xchg_relaxed() there. |
1168 | * |
1169 | * Return: The original value of @v. |
1170 | */ |
1171 | static __always_inline int |
1172 | atomic_xchg_relaxed(atomic_t *v, int new) |
1173 | { |
1174 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1175 | return raw_atomic_xchg_relaxed(v, new); |
1176 | } |
1177 | |
1178 | /** |
1179 | * atomic_cmpxchg() - atomic compare and exchange with full ordering |
1180 | * @v: pointer to atomic_t |
1181 | * @old: int value to compare with |
1182 | * @new: int value to assign |
1183 | * |
1184 | * If (@v == @old), atomically updates @v to @new with full ordering. |
1185 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1186 | * |
1187 | * Unsafe to use in noinstr code; use raw_atomic_cmpxchg() there. |
1188 | * |
1189 | * Return: The original value of @v. |
1190 | */ |
1191 | static __always_inline int |
1192 | atomic_cmpxchg(atomic_t *v, int old, int new) |
1193 | { |
1194 | kcsan_mb(); |
1195 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1196 | return raw_atomic_cmpxchg(v, old, new); |
1197 | } |
1198 | |
1199 | /** |
1200 | * atomic_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
1201 | * @v: pointer to atomic_t |
1202 | * @old: int value to compare with |
1203 | * @new: int value to assign |
1204 | * |
1205 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
1206 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1207 | * |
1208 | * Unsafe to use in noinstr code; use raw_atomic_cmpxchg_acquire() there. |
1209 | * |
1210 | * Return: The original value of @v. |
1211 | */ |
1212 | static __always_inline int |
1213 | atomic_cmpxchg_acquire(atomic_t *v, int old, int new) |
1214 | { |
1215 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1216 | return raw_atomic_cmpxchg_acquire(v, old, new); |
1217 | } |
1218 | |
1219 | /** |
1220 | * atomic_cmpxchg_release() - atomic compare and exchange with release ordering |
1221 | * @v: pointer to atomic_t |
1222 | * @old: int value to compare with |
1223 | * @new: int value to assign |
1224 | * |
1225 | * If (@v == @old), atomically updates @v to @new with release ordering. |
1226 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1227 | * |
1228 | * Unsafe to use in noinstr code; use raw_atomic_cmpxchg_release() there. |
1229 | * |
1230 | * Return: The original value of @v. |
1231 | */ |
1232 | static __always_inline int |
1233 | atomic_cmpxchg_release(atomic_t *v, int old, int new) |
1234 | { |
1235 | kcsan_release(); |
1236 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1237 | return raw_atomic_cmpxchg_release(v, old, new); |
1238 | } |
1239 | |
1240 | /** |
1241 | * atomic_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
1242 | * @v: pointer to atomic_t |
1243 | * @old: int value to compare with |
1244 | * @new: int value to assign |
1245 | * |
1246 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
1247 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1248 | * |
1249 | * Unsafe to use in noinstr code; use raw_atomic_cmpxchg_relaxed() there. |
1250 | * |
1251 | * Return: The original value of @v. |
1252 | */ |
1253 | static __always_inline int |
1254 | atomic_cmpxchg_relaxed(atomic_t *v, int old, int new) |
1255 | { |
1256 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1257 | return raw_atomic_cmpxchg_relaxed(v, old, new); |
1258 | } |
1259 | |
1260 | /** |
1261 | * atomic_try_cmpxchg() - atomic compare and exchange with full ordering |
1262 | * @v: pointer to atomic_t |
1263 | * @old: pointer to int value to compare with |
1264 | * @new: int value to assign |
1265 | * |
1266 | * If (@v == @old), atomically updates @v to @new with full ordering. |
1267 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
1268 | * and relaxed ordering is provided. |
1269 | * |
1270 | * Unsafe to use in noinstr code; use raw_atomic_try_cmpxchg() there. |
1271 | * |
1272 | * Return: @true if the exchange occured, @false otherwise. |
1273 | */ |
1274 | static __always_inline bool |
1275 | atomic_try_cmpxchg(atomic_t *v, int *old, int new) |
1276 | { |
1277 | kcsan_mb(); |
1278 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1279 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
1280 | return raw_atomic_try_cmpxchg(v, old, new); |
1281 | } |
1282 | |
1283 | /** |
1284 | * atomic_try_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
1285 | * @v: pointer to atomic_t |
1286 | * @old: pointer to int value to compare with |
1287 | * @new: int value to assign |
1288 | * |
1289 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
1290 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
1291 | * and relaxed ordering is provided. |
1292 | * |
1293 | * Unsafe to use in noinstr code; use raw_atomic_try_cmpxchg_acquire() there. |
1294 | * |
1295 | * Return: @true if the exchange occured, @false otherwise. |
1296 | */ |
1297 | static __always_inline bool |
1298 | atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) |
1299 | { |
1300 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1301 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
1302 | return raw_atomic_try_cmpxchg_acquire(v, old, new); |
1303 | } |
1304 | |
1305 | /** |
1306 | * atomic_try_cmpxchg_release() - atomic compare and exchange with release ordering |
1307 | * @v: pointer to atomic_t |
1308 | * @old: pointer to int value to compare with |
1309 | * @new: int value to assign |
1310 | * |
1311 | * If (@v == @old), atomically updates @v to @new with release ordering. |
1312 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
1313 | * and relaxed ordering is provided. |
1314 | * |
1315 | * Unsafe to use in noinstr code; use raw_atomic_try_cmpxchg_release() there. |
1316 | * |
1317 | * Return: @true if the exchange occured, @false otherwise. |
1318 | */ |
1319 | static __always_inline bool |
1320 | atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) |
1321 | { |
1322 | kcsan_release(); |
1323 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1324 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
1325 | return raw_atomic_try_cmpxchg_release(v, old, new); |
1326 | } |
1327 | |
1328 | /** |
1329 | * atomic_try_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
1330 | * @v: pointer to atomic_t |
1331 | * @old: pointer to int value to compare with |
1332 | * @new: int value to assign |
1333 | * |
1334 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
1335 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
1336 | * and relaxed ordering is provided. |
1337 | * |
1338 | * Unsafe to use in noinstr code; use raw_atomic_try_cmpxchg_relaxed() there. |
1339 | * |
1340 | * Return: @true if the exchange occured, @false otherwise. |
1341 | */ |
1342 | static __always_inline bool |
1343 | atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) |
1344 | { |
1345 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1346 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
1347 | return raw_atomic_try_cmpxchg_relaxed(v, old, new); |
1348 | } |
1349 | |
1350 | /** |
1351 | * atomic_sub_and_test() - atomic subtract and test if zero with full ordering |
1352 | * @i: int value to add |
1353 | * @v: pointer to atomic_t |
1354 | * |
1355 | * Atomically updates @v to (@v - @i) with full ordering. |
1356 | * |
1357 | * Unsafe to use in noinstr code; use raw_atomic_sub_and_test() there. |
1358 | * |
1359 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
1360 | */ |
1361 | static __always_inline bool |
1362 | atomic_sub_and_test(int i, atomic_t *v) |
1363 | { |
1364 | kcsan_mb(); |
1365 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1366 | return raw_atomic_sub_and_test(i, v); |
1367 | } |
1368 | |
1369 | /** |
1370 | * atomic_dec_and_test() - atomic decrement and test if zero with full ordering |
1371 | * @v: pointer to atomic_t |
1372 | * |
1373 | * Atomically updates @v to (@v - 1) with full ordering. |
1374 | * |
1375 | * Unsafe to use in noinstr code; use raw_atomic_dec_and_test() there. |
1376 | * |
1377 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
1378 | */ |
1379 | static __always_inline bool |
1380 | atomic_dec_and_test(atomic_t *v) |
1381 | { |
1382 | kcsan_mb(); |
1383 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1384 | return raw_atomic_dec_and_test(v); |
1385 | } |
1386 | |
1387 | /** |
1388 | * atomic_inc_and_test() - atomic increment and test if zero with full ordering |
1389 | * @v: pointer to atomic_t |
1390 | * |
1391 | * Atomically updates @v to (@v + 1) with full ordering. |
1392 | * |
1393 | * Unsafe to use in noinstr code; use raw_atomic_inc_and_test() there. |
1394 | * |
1395 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
1396 | */ |
1397 | static __always_inline bool |
1398 | atomic_inc_and_test(atomic_t *v) |
1399 | { |
1400 | kcsan_mb(); |
1401 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1402 | return raw_atomic_inc_and_test(v); |
1403 | } |
1404 | |
1405 | /** |
1406 | * atomic_add_negative() - atomic add and test if negative with full ordering |
1407 | * @i: int value to add |
1408 | * @v: pointer to atomic_t |
1409 | * |
1410 | * Atomically updates @v to (@v + @i) with full ordering. |
1411 | * |
1412 | * Unsafe to use in noinstr code; use raw_atomic_add_negative() there. |
1413 | * |
1414 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
1415 | */ |
1416 | static __always_inline bool |
1417 | atomic_add_negative(int i, atomic_t *v) |
1418 | { |
1419 | kcsan_mb(); |
1420 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1421 | return raw_atomic_add_negative(i, v); |
1422 | } |
1423 | |
1424 | /** |
1425 | * atomic_add_negative_acquire() - atomic add and test if negative with acquire ordering |
1426 | * @i: int value to add |
1427 | * @v: pointer to atomic_t |
1428 | * |
1429 | * Atomically updates @v to (@v + @i) with acquire ordering. |
1430 | * |
1431 | * Unsafe to use in noinstr code; use raw_atomic_add_negative_acquire() there. |
1432 | * |
1433 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
1434 | */ |
1435 | static __always_inline bool |
1436 | atomic_add_negative_acquire(int i, atomic_t *v) |
1437 | { |
1438 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1439 | return raw_atomic_add_negative_acquire(i, v); |
1440 | } |
1441 | |
1442 | /** |
1443 | * atomic_add_negative_release() - atomic add and test if negative with release ordering |
1444 | * @i: int value to add |
1445 | * @v: pointer to atomic_t |
1446 | * |
1447 | * Atomically updates @v to (@v + @i) with release ordering. |
1448 | * |
1449 | * Unsafe to use in noinstr code; use raw_atomic_add_negative_release() there. |
1450 | * |
1451 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
1452 | */ |
1453 | static __always_inline bool |
1454 | atomic_add_negative_release(int i, atomic_t *v) |
1455 | { |
1456 | kcsan_release(); |
1457 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1458 | return raw_atomic_add_negative_release(i, v); |
1459 | } |
1460 | |
1461 | /** |
1462 | * atomic_add_negative_relaxed() - atomic add and test if negative with relaxed ordering |
1463 | * @i: int value to add |
1464 | * @v: pointer to atomic_t |
1465 | * |
1466 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
1467 | * |
1468 | * Unsafe to use in noinstr code; use raw_atomic_add_negative_relaxed() there. |
1469 | * |
1470 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
1471 | */ |
1472 | static __always_inline bool |
1473 | atomic_add_negative_relaxed(int i, atomic_t *v) |
1474 | { |
1475 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1476 | return raw_atomic_add_negative_relaxed(i, v); |
1477 | } |
1478 | |
1479 | /** |
1480 | * atomic_fetch_add_unless() - atomic add unless value with full ordering |
1481 | * @v: pointer to atomic_t |
1482 | * @a: int value to add |
1483 | * @u: int value to compare with |
1484 | * |
1485 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
1486 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1487 | * |
1488 | * Unsafe to use in noinstr code; use raw_atomic_fetch_add_unless() there. |
1489 | * |
1490 | * Return: The original value of @v. |
1491 | */ |
1492 | static __always_inline int |
1493 | atomic_fetch_add_unless(atomic_t *v, int a, int u) |
1494 | { |
1495 | kcsan_mb(); |
1496 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1497 | return raw_atomic_fetch_add_unless(v, a, u); |
1498 | } |
1499 | |
1500 | /** |
1501 | * atomic_add_unless() - atomic add unless value with full ordering |
1502 | * @v: pointer to atomic_t |
1503 | * @a: int value to add |
1504 | * @u: int value to compare with |
1505 | * |
1506 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
1507 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1508 | * |
1509 | * Unsafe to use in noinstr code; use raw_atomic_add_unless() there. |
1510 | * |
1511 | * Return: @true if @v was updated, @false otherwise. |
1512 | */ |
1513 | static __always_inline bool |
1514 | atomic_add_unless(atomic_t *v, int a, int u) |
1515 | { |
1516 | kcsan_mb(); |
1517 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1518 | return raw_atomic_add_unless(v, a, u); |
1519 | } |
1520 | |
1521 | /** |
1522 | * atomic_inc_not_zero() - atomic increment unless zero with full ordering |
1523 | * @v: pointer to atomic_t |
1524 | * |
1525 | * If (@v != 0), atomically updates @v to (@v + 1) with full ordering. |
1526 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1527 | * |
1528 | * Unsafe to use in noinstr code; use raw_atomic_inc_not_zero() there. |
1529 | * |
1530 | * Return: @true if @v was updated, @false otherwise. |
1531 | */ |
1532 | static __always_inline bool |
1533 | atomic_inc_not_zero(atomic_t *v) |
1534 | { |
1535 | kcsan_mb(); |
1536 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1537 | return raw_atomic_inc_not_zero(v); |
1538 | } |
1539 | |
1540 | /** |
1541 | * atomic_inc_unless_negative() - atomic increment unless negative with full ordering |
1542 | * @v: pointer to atomic_t |
1543 | * |
1544 | * If (@v >= 0), atomically updates @v to (@v + 1) with full ordering. |
1545 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1546 | * |
1547 | * Unsafe to use in noinstr code; use raw_atomic_inc_unless_negative() there. |
1548 | * |
1549 | * Return: @true if @v was updated, @false otherwise. |
1550 | */ |
1551 | static __always_inline bool |
1552 | atomic_inc_unless_negative(atomic_t *v) |
1553 | { |
1554 | kcsan_mb(); |
1555 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1556 | return raw_atomic_inc_unless_negative(v); |
1557 | } |
1558 | |
1559 | /** |
1560 | * atomic_dec_unless_positive() - atomic decrement unless positive with full ordering |
1561 | * @v: pointer to atomic_t |
1562 | * |
1563 | * If (@v <= 0), atomically updates @v to (@v - 1) with full ordering. |
1564 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1565 | * |
1566 | * Unsafe to use in noinstr code; use raw_atomic_dec_unless_positive() there. |
1567 | * |
1568 | * Return: @true if @v was updated, @false otherwise. |
1569 | */ |
1570 | static __always_inline bool |
1571 | atomic_dec_unless_positive(atomic_t *v) |
1572 | { |
1573 | kcsan_mb(); |
1574 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1575 | return raw_atomic_dec_unless_positive(v); |
1576 | } |
1577 | |
1578 | /** |
1579 | * atomic_dec_if_positive() - atomic decrement if positive with full ordering |
1580 | * @v: pointer to atomic_t |
1581 | * |
1582 | * If (@v > 0), atomically updates @v to (@v - 1) with full ordering. |
1583 | * Otherwise, @v is not modified and relaxed ordering is provided. |
1584 | * |
1585 | * Unsafe to use in noinstr code; use raw_atomic_dec_if_positive() there. |
1586 | * |
1587 | * Return: The old value of (@v - 1), regardless of whether @v was updated. |
1588 | */ |
1589 | static __always_inline int |
1590 | atomic_dec_if_positive(atomic_t *v) |
1591 | { |
1592 | kcsan_mb(); |
1593 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1594 | return raw_atomic_dec_if_positive(v); |
1595 | } |
1596 | |
1597 | /** |
1598 | * atomic64_read() - atomic load with relaxed ordering |
1599 | * @v: pointer to atomic64_t |
1600 | * |
1601 | * Atomically loads the value of @v with relaxed ordering. |
1602 | * |
1603 | * Unsafe to use in noinstr code; use raw_atomic64_read() there. |
1604 | * |
1605 | * Return: The value loaded from @v. |
1606 | */ |
1607 | static __always_inline s64 |
1608 | atomic64_read(const atomic64_t *v) |
1609 | { |
1610 | instrument_atomic_read(v, size: sizeof(*v)); |
1611 | return raw_atomic64_read(v); |
1612 | } |
1613 | |
1614 | /** |
1615 | * atomic64_read_acquire() - atomic load with acquire ordering |
1616 | * @v: pointer to atomic64_t |
1617 | * |
1618 | * Atomically loads the value of @v with acquire ordering. |
1619 | * |
1620 | * Unsafe to use in noinstr code; use raw_atomic64_read_acquire() there. |
1621 | * |
1622 | * Return: The value loaded from @v. |
1623 | */ |
1624 | static __always_inline s64 |
1625 | atomic64_read_acquire(const atomic64_t *v) |
1626 | { |
1627 | instrument_atomic_read(v, size: sizeof(*v)); |
1628 | return raw_atomic64_read_acquire(v); |
1629 | } |
1630 | |
1631 | /** |
1632 | * atomic64_set() - atomic set with relaxed ordering |
1633 | * @v: pointer to atomic64_t |
1634 | * @i: s64 value to assign |
1635 | * |
1636 | * Atomically sets @v to @i with relaxed ordering. |
1637 | * |
1638 | * Unsafe to use in noinstr code; use raw_atomic64_set() there. |
1639 | * |
1640 | * Return: Nothing. |
1641 | */ |
1642 | static __always_inline void |
1643 | atomic64_set(atomic64_t *v, s64 i) |
1644 | { |
1645 | instrument_atomic_write(v, size: sizeof(*v)); |
1646 | raw_atomic64_set(v, i); |
1647 | } |
1648 | |
1649 | /** |
1650 | * atomic64_set_release() - atomic set with release ordering |
1651 | * @v: pointer to atomic64_t |
1652 | * @i: s64 value to assign |
1653 | * |
1654 | * Atomically sets @v to @i with release ordering. |
1655 | * |
1656 | * Unsafe to use in noinstr code; use raw_atomic64_set_release() there. |
1657 | * |
1658 | * Return: Nothing. |
1659 | */ |
1660 | static __always_inline void |
1661 | atomic64_set_release(atomic64_t *v, s64 i) |
1662 | { |
1663 | kcsan_release(); |
1664 | instrument_atomic_write(v, size: sizeof(*v)); |
1665 | raw_atomic64_set_release(v, i); |
1666 | } |
1667 | |
1668 | /** |
1669 | * atomic64_add() - atomic add with relaxed ordering |
1670 | * @i: s64 value to add |
1671 | * @v: pointer to atomic64_t |
1672 | * |
1673 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
1674 | * |
1675 | * Unsafe to use in noinstr code; use raw_atomic64_add() there. |
1676 | * |
1677 | * Return: Nothing. |
1678 | */ |
1679 | static __always_inline void |
1680 | atomic64_add(s64 i, atomic64_t *v) |
1681 | { |
1682 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1683 | raw_atomic64_add(i, v); |
1684 | } |
1685 | |
1686 | /** |
1687 | * atomic64_add_return() - atomic add with full ordering |
1688 | * @i: s64 value to add |
1689 | * @v: pointer to atomic64_t |
1690 | * |
1691 | * Atomically updates @v to (@v + @i) with full ordering. |
1692 | * |
1693 | * Unsafe to use in noinstr code; use raw_atomic64_add_return() there. |
1694 | * |
1695 | * Return: The updated value of @v. |
1696 | */ |
1697 | static __always_inline s64 |
1698 | atomic64_add_return(s64 i, atomic64_t *v) |
1699 | { |
1700 | kcsan_mb(); |
1701 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1702 | return raw_atomic64_add_return(i, v); |
1703 | } |
1704 | |
1705 | /** |
1706 | * atomic64_add_return_acquire() - atomic add with acquire ordering |
1707 | * @i: s64 value to add |
1708 | * @v: pointer to atomic64_t |
1709 | * |
1710 | * Atomically updates @v to (@v + @i) with acquire ordering. |
1711 | * |
1712 | * Unsafe to use in noinstr code; use raw_atomic64_add_return_acquire() there. |
1713 | * |
1714 | * Return: The updated value of @v. |
1715 | */ |
1716 | static __always_inline s64 |
1717 | atomic64_add_return_acquire(s64 i, atomic64_t *v) |
1718 | { |
1719 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1720 | return raw_atomic64_add_return_acquire(i, v); |
1721 | } |
1722 | |
1723 | /** |
1724 | * atomic64_add_return_release() - atomic add with release ordering |
1725 | * @i: s64 value to add |
1726 | * @v: pointer to atomic64_t |
1727 | * |
1728 | * Atomically updates @v to (@v + @i) with release ordering. |
1729 | * |
1730 | * Unsafe to use in noinstr code; use raw_atomic64_add_return_release() there. |
1731 | * |
1732 | * Return: The updated value of @v. |
1733 | */ |
1734 | static __always_inline s64 |
1735 | atomic64_add_return_release(s64 i, atomic64_t *v) |
1736 | { |
1737 | kcsan_release(); |
1738 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1739 | return raw_atomic64_add_return_release(i, v); |
1740 | } |
1741 | |
1742 | /** |
1743 | * atomic64_add_return_relaxed() - atomic add with relaxed ordering |
1744 | * @i: s64 value to add |
1745 | * @v: pointer to atomic64_t |
1746 | * |
1747 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
1748 | * |
1749 | * Unsafe to use in noinstr code; use raw_atomic64_add_return_relaxed() there. |
1750 | * |
1751 | * Return: The updated value of @v. |
1752 | */ |
1753 | static __always_inline s64 |
1754 | atomic64_add_return_relaxed(s64 i, atomic64_t *v) |
1755 | { |
1756 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1757 | return raw_atomic64_add_return_relaxed(i, v); |
1758 | } |
1759 | |
1760 | /** |
1761 | * atomic64_fetch_add() - atomic add with full ordering |
1762 | * @i: s64 value to add |
1763 | * @v: pointer to atomic64_t |
1764 | * |
1765 | * Atomically updates @v to (@v + @i) with full ordering. |
1766 | * |
1767 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_add() there. |
1768 | * |
1769 | * Return: The original value of @v. |
1770 | */ |
1771 | static __always_inline s64 |
1772 | atomic64_fetch_add(s64 i, atomic64_t *v) |
1773 | { |
1774 | kcsan_mb(); |
1775 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1776 | return raw_atomic64_fetch_add(i, v); |
1777 | } |
1778 | |
1779 | /** |
1780 | * atomic64_fetch_add_acquire() - atomic add with acquire ordering |
1781 | * @i: s64 value to add |
1782 | * @v: pointer to atomic64_t |
1783 | * |
1784 | * Atomically updates @v to (@v + @i) with acquire ordering. |
1785 | * |
1786 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_add_acquire() there. |
1787 | * |
1788 | * Return: The original value of @v. |
1789 | */ |
1790 | static __always_inline s64 |
1791 | atomic64_fetch_add_acquire(s64 i, atomic64_t *v) |
1792 | { |
1793 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1794 | return raw_atomic64_fetch_add_acquire(i, v); |
1795 | } |
1796 | |
1797 | /** |
1798 | * atomic64_fetch_add_release() - atomic add with release ordering |
1799 | * @i: s64 value to add |
1800 | * @v: pointer to atomic64_t |
1801 | * |
1802 | * Atomically updates @v to (@v + @i) with release ordering. |
1803 | * |
1804 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_add_release() there. |
1805 | * |
1806 | * Return: The original value of @v. |
1807 | */ |
1808 | static __always_inline s64 |
1809 | atomic64_fetch_add_release(s64 i, atomic64_t *v) |
1810 | { |
1811 | kcsan_release(); |
1812 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1813 | return raw_atomic64_fetch_add_release(i, v); |
1814 | } |
1815 | |
1816 | /** |
1817 | * atomic64_fetch_add_relaxed() - atomic add with relaxed ordering |
1818 | * @i: s64 value to add |
1819 | * @v: pointer to atomic64_t |
1820 | * |
1821 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
1822 | * |
1823 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_add_relaxed() there. |
1824 | * |
1825 | * Return: The original value of @v. |
1826 | */ |
1827 | static __always_inline s64 |
1828 | atomic64_fetch_add_relaxed(s64 i, atomic64_t *v) |
1829 | { |
1830 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1831 | return raw_atomic64_fetch_add_relaxed(i, v); |
1832 | } |
1833 | |
1834 | /** |
1835 | * atomic64_sub() - atomic subtract with relaxed ordering |
1836 | * @i: s64 value to subtract |
1837 | * @v: pointer to atomic64_t |
1838 | * |
1839 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
1840 | * |
1841 | * Unsafe to use in noinstr code; use raw_atomic64_sub() there. |
1842 | * |
1843 | * Return: Nothing. |
1844 | */ |
1845 | static __always_inline void |
1846 | atomic64_sub(s64 i, atomic64_t *v) |
1847 | { |
1848 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1849 | raw_atomic64_sub(i, v); |
1850 | } |
1851 | |
1852 | /** |
1853 | * atomic64_sub_return() - atomic subtract with full ordering |
1854 | * @i: s64 value to subtract |
1855 | * @v: pointer to atomic64_t |
1856 | * |
1857 | * Atomically updates @v to (@v - @i) with full ordering. |
1858 | * |
1859 | * Unsafe to use in noinstr code; use raw_atomic64_sub_return() there. |
1860 | * |
1861 | * Return: The updated value of @v. |
1862 | */ |
1863 | static __always_inline s64 |
1864 | atomic64_sub_return(s64 i, atomic64_t *v) |
1865 | { |
1866 | kcsan_mb(); |
1867 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1868 | return raw_atomic64_sub_return(i, v); |
1869 | } |
1870 | |
1871 | /** |
1872 | * atomic64_sub_return_acquire() - atomic subtract with acquire ordering |
1873 | * @i: s64 value to subtract |
1874 | * @v: pointer to atomic64_t |
1875 | * |
1876 | * Atomically updates @v to (@v - @i) with acquire ordering. |
1877 | * |
1878 | * Unsafe to use in noinstr code; use raw_atomic64_sub_return_acquire() there. |
1879 | * |
1880 | * Return: The updated value of @v. |
1881 | */ |
1882 | static __always_inline s64 |
1883 | atomic64_sub_return_acquire(s64 i, atomic64_t *v) |
1884 | { |
1885 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1886 | return raw_atomic64_sub_return_acquire(i, v); |
1887 | } |
1888 | |
1889 | /** |
1890 | * atomic64_sub_return_release() - atomic subtract with release ordering |
1891 | * @i: s64 value to subtract |
1892 | * @v: pointer to atomic64_t |
1893 | * |
1894 | * Atomically updates @v to (@v - @i) with release ordering. |
1895 | * |
1896 | * Unsafe to use in noinstr code; use raw_atomic64_sub_return_release() there. |
1897 | * |
1898 | * Return: The updated value of @v. |
1899 | */ |
1900 | static __always_inline s64 |
1901 | atomic64_sub_return_release(s64 i, atomic64_t *v) |
1902 | { |
1903 | kcsan_release(); |
1904 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1905 | return raw_atomic64_sub_return_release(i, v); |
1906 | } |
1907 | |
1908 | /** |
1909 | * atomic64_sub_return_relaxed() - atomic subtract with relaxed ordering |
1910 | * @i: s64 value to subtract |
1911 | * @v: pointer to atomic64_t |
1912 | * |
1913 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
1914 | * |
1915 | * Unsafe to use in noinstr code; use raw_atomic64_sub_return_relaxed() there. |
1916 | * |
1917 | * Return: The updated value of @v. |
1918 | */ |
1919 | static __always_inline s64 |
1920 | atomic64_sub_return_relaxed(s64 i, atomic64_t *v) |
1921 | { |
1922 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1923 | return raw_atomic64_sub_return_relaxed(i, v); |
1924 | } |
1925 | |
1926 | /** |
1927 | * atomic64_fetch_sub() - atomic subtract with full ordering |
1928 | * @i: s64 value to subtract |
1929 | * @v: pointer to atomic64_t |
1930 | * |
1931 | * Atomically updates @v to (@v - @i) with full ordering. |
1932 | * |
1933 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_sub() there. |
1934 | * |
1935 | * Return: The original value of @v. |
1936 | */ |
1937 | static __always_inline s64 |
1938 | atomic64_fetch_sub(s64 i, atomic64_t *v) |
1939 | { |
1940 | kcsan_mb(); |
1941 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1942 | return raw_atomic64_fetch_sub(i, v); |
1943 | } |
1944 | |
1945 | /** |
1946 | * atomic64_fetch_sub_acquire() - atomic subtract with acquire ordering |
1947 | * @i: s64 value to subtract |
1948 | * @v: pointer to atomic64_t |
1949 | * |
1950 | * Atomically updates @v to (@v - @i) with acquire ordering. |
1951 | * |
1952 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_sub_acquire() there. |
1953 | * |
1954 | * Return: The original value of @v. |
1955 | */ |
1956 | static __always_inline s64 |
1957 | atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) |
1958 | { |
1959 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1960 | return raw_atomic64_fetch_sub_acquire(i, v); |
1961 | } |
1962 | |
1963 | /** |
1964 | * atomic64_fetch_sub_release() - atomic subtract with release ordering |
1965 | * @i: s64 value to subtract |
1966 | * @v: pointer to atomic64_t |
1967 | * |
1968 | * Atomically updates @v to (@v - @i) with release ordering. |
1969 | * |
1970 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_sub_release() there. |
1971 | * |
1972 | * Return: The original value of @v. |
1973 | */ |
1974 | static __always_inline s64 |
1975 | atomic64_fetch_sub_release(s64 i, atomic64_t *v) |
1976 | { |
1977 | kcsan_release(); |
1978 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1979 | return raw_atomic64_fetch_sub_release(i, v); |
1980 | } |
1981 | |
1982 | /** |
1983 | * atomic64_fetch_sub_relaxed() - atomic subtract with relaxed ordering |
1984 | * @i: s64 value to subtract |
1985 | * @v: pointer to atomic64_t |
1986 | * |
1987 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
1988 | * |
1989 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_sub_relaxed() there. |
1990 | * |
1991 | * Return: The original value of @v. |
1992 | */ |
1993 | static __always_inline s64 |
1994 | atomic64_fetch_sub_relaxed(s64 i, atomic64_t *v) |
1995 | { |
1996 | instrument_atomic_read_write(v, size: sizeof(*v)); |
1997 | return raw_atomic64_fetch_sub_relaxed(i, v); |
1998 | } |
1999 | |
2000 | /** |
2001 | * atomic64_inc() - atomic increment with relaxed ordering |
2002 | * @v: pointer to atomic64_t |
2003 | * |
2004 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
2005 | * |
2006 | * Unsafe to use in noinstr code; use raw_atomic64_inc() there. |
2007 | * |
2008 | * Return: Nothing. |
2009 | */ |
2010 | static __always_inline void |
2011 | atomic64_inc(atomic64_t *v) |
2012 | { |
2013 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2014 | raw_atomic64_inc(v); |
2015 | } |
2016 | |
2017 | /** |
2018 | * atomic64_inc_return() - atomic increment with full ordering |
2019 | * @v: pointer to atomic64_t |
2020 | * |
2021 | * Atomically updates @v to (@v + 1) with full ordering. |
2022 | * |
2023 | * Unsafe to use in noinstr code; use raw_atomic64_inc_return() there. |
2024 | * |
2025 | * Return: The updated value of @v. |
2026 | */ |
2027 | static __always_inline s64 |
2028 | atomic64_inc_return(atomic64_t *v) |
2029 | { |
2030 | kcsan_mb(); |
2031 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2032 | return raw_atomic64_inc_return(v); |
2033 | } |
2034 | |
2035 | /** |
2036 | * atomic64_inc_return_acquire() - atomic increment with acquire ordering |
2037 | * @v: pointer to atomic64_t |
2038 | * |
2039 | * Atomically updates @v to (@v + 1) with acquire ordering. |
2040 | * |
2041 | * Unsafe to use in noinstr code; use raw_atomic64_inc_return_acquire() there. |
2042 | * |
2043 | * Return: The updated value of @v. |
2044 | */ |
2045 | static __always_inline s64 |
2046 | atomic64_inc_return_acquire(atomic64_t *v) |
2047 | { |
2048 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2049 | return raw_atomic64_inc_return_acquire(v); |
2050 | } |
2051 | |
2052 | /** |
2053 | * atomic64_inc_return_release() - atomic increment with release ordering |
2054 | * @v: pointer to atomic64_t |
2055 | * |
2056 | * Atomically updates @v to (@v + 1) with release ordering. |
2057 | * |
2058 | * Unsafe to use in noinstr code; use raw_atomic64_inc_return_release() there. |
2059 | * |
2060 | * Return: The updated value of @v. |
2061 | */ |
2062 | static __always_inline s64 |
2063 | atomic64_inc_return_release(atomic64_t *v) |
2064 | { |
2065 | kcsan_release(); |
2066 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2067 | return raw_atomic64_inc_return_release(v); |
2068 | } |
2069 | |
2070 | /** |
2071 | * atomic64_inc_return_relaxed() - atomic increment with relaxed ordering |
2072 | * @v: pointer to atomic64_t |
2073 | * |
2074 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
2075 | * |
2076 | * Unsafe to use in noinstr code; use raw_atomic64_inc_return_relaxed() there. |
2077 | * |
2078 | * Return: The updated value of @v. |
2079 | */ |
2080 | static __always_inline s64 |
2081 | atomic64_inc_return_relaxed(atomic64_t *v) |
2082 | { |
2083 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2084 | return raw_atomic64_inc_return_relaxed(v); |
2085 | } |
2086 | |
2087 | /** |
2088 | * atomic64_fetch_inc() - atomic increment with full ordering |
2089 | * @v: pointer to atomic64_t |
2090 | * |
2091 | * Atomically updates @v to (@v + 1) with full ordering. |
2092 | * |
2093 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_inc() there. |
2094 | * |
2095 | * Return: The original value of @v. |
2096 | */ |
2097 | static __always_inline s64 |
2098 | atomic64_fetch_inc(atomic64_t *v) |
2099 | { |
2100 | kcsan_mb(); |
2101 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2102 | return raw_atomic64_fetch_inc(v); |
2103 | } |
2104 | |
2105 | /** |
2106 | * atomic64_fetch_inc_acquire() - atomic increment with acquire ordering |
2107 | * @v: pointer to atomic64_t |
2108 | * |
2109 | * Atomically updates @v to (@v + 1) with acquire ordering. |
2110 | * |
2111 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_inc_acquire() there. |
2112 | * |
2113 | * Return: The original value of @v. |
2114 | */ |
2115 | static __always_inline s64 |
2116 | atomic64_fetch_inc_acquire(atomic64_t *v) |
2117 | { |
2118 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2119 | return raw_atomic64_fetch_inc_acquire(v); |
2120 | } |
2121 | |
2122 | /** |
2123 | * atomic64_fetch_inc_release() - atomic increment with release ordering |
2124 | * @v: pointer to atomic64_t |
2125 | * |
2126 | * Atomically updates @v to (@v + 1) with release ordering. |
2127 | * |
2128 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_inc_release() there. |
2129 | * |
2130 | * Return: The original value of @v. |
2131 | */ |
2132 | static __always_inline s64 |
2133 | atomic64_fetch_inc_release(atomic64_t *v) |
2134 | { |
2135 | kcsan_release(); |
2136 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2137 | return raw_atomic64_fetch_inc_release(v); |
2138 | } |
2139 | |
2140 | /** |
2141 | * atomic64_fetch_inc_relaxed() - atomic increment with relaxed ordering |
2142 | * @v: pointer to atomic64_t |
2143 | * |
2144 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
2145 | * |
2146 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_inc_relaxed() there. |
2147 | * |
2148 | * Return: The original value of @v. |
2149 | */ |
2150 | static __always_inline s64 |
2151 | atomic64_fetch_inc_relaxed(atomic64_t *v) |
2152 | { |
2153 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2154 | return raw_atomic64_fetch_inc_relaxed(v); |
2155 | } |
2156 | |
2157 | /** |
2158 | * atomic64_dec() - atomic decrement with relaxed ordering |
2159 | * @v: pointer to atomic64_t |
2160 | * |
2161 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
2162 | * |
2163 | * Unsafe to use in noinstr code; use raw_atomic64_dec() there. |
2164 | * |
2165 | * Return: Nothing. |
2166 | */ |
2167 | static __always_inline void |
2168 | atomic64_dec(atomic64_t *v) |
2169 | { |
2170 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2171 | raw_atomic64_dec(v); |
2172 | } |
2173 | |
2174 | /** |
2175 | * atomic64_dec_return() - atomic decrement with full ordering |
2176 | * @v: pointer to atomic64_t |
2177 | * |
2178 | * Atomically updates @v to (@v - 1) with full ordering. |
2179 | * |
2180 | * Unsafe to use in noinstr code; use raw_atomic64_dec_return() there. |
2181 | * |
2182 | * Return: The updated value of @v. |
2183 | */ |
2184 | static __always_inline s64 |
2185 | atomic64_dec_return(atomic64_t *v) |
2186 | { |
2187 | kcsan_mb(); |
2188 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2189 | return raw_atomic64_dec_return(v); |
2190 | } |
2191 | |
2192 | /** |
2193 | * atomic64_dec_return_acquire() - atomic decrement with acquire ordering |
2194 | * @v: pointer to atomic64_t |
2195 | * |
2196 | * Atomically updates @v to (@v - 1) with acquire ordering. |
2197 | * |
2198 | * Unsafe to use in noinstr code; use raw_atomic64_dec_return_acquire() there. |
2199 | * |
2200 | * Return: The updated value of @v. |
2201 | */ |
2202 | static __always_inline s64 |
2203 | atomic64_dec_return_acquire(atomic64_t *v) |
2204 | { |
2205 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2206 | return raw_atomic64_dec_return_acquire(v); |
2207 | } |
2208 | |
2209 | /** |
2210 | * atomic64_dec_return_release() - atomic decrement with release ordering |
2211 | * @v: pointer to atomic64_t |
2212 | * |
2213 | * Atomically updates @v to (@v - 1) with release ordering. |
2214 | * |
2215 | * Unsafe to use in noinstr code; use raw_atomic64_dec_return_release() there. |
2216 | * |
2217 | * Return: The updated value of @v. |
2218 | */ |
2219 | static __always_inline s64 |
2220 | atomic64_dec_return_release(atomic64_t *v) |
2221 | { |
2222 | kcsan_release(); |
2223 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2224 | return raw_atomic64_dec_return_release(v); |
2225 | } |
2226 | |
2227 | /** |
2228 | * atomic64_dec_return_relaxed() - atomic decrement with relaxed ordering |
2229 | * @v: pointer to atomic64_t |
2230 | * |
2231 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
2232 | * |
2233 | * Unsafe to use in noinstr code; use raw_atomic64_dec_return_relaxed() there. |
2234 | * |
2235 | * Return: The updated value of @v. |
2236 | */ |
2237 | static __always_inline s64 |
2238 | atomic64_dec_return_relaxed(atomic64_t *v) |
2239 | { |
2240 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2241 | return raw_atomic64_dec_return_relaxed(v); |
2242 | } |
2243 | |
2244 | /** |
2245 | * atomic64_fetch_dec() - atomic decrement with full ordering |
2246 | * @v: pointer to atomic64_t |
2247 | * |
2248 | * Atomically updates @v to (@v - 1) with full ordering. |
2249 | * |
2250 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_dec() there. |
2251 | * |
2252 | * Return: The original value of @v. |
2253 | */ |
2254 | static __always_inline s64 |
2255 | atomic64_fetch_dec(atomic64_t *v) |
2256 | { |
2257 | kcsan_mb(); |
2258 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2259 | return raw_atomic64_fetch_dec(v); |
2260 | } |
2261 | |
2262 | /** |
2263 | * atomic64_fetch_dec_acquire() - atomic decrement with acquire ordering |
2264 | * @v: pointer to atomic64_t |
2265 | * |
2266 | * Atomically updates @v to (@v - 1) with acquire ordering. |
2267 | * |
2268 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_dec_acquire() there. |
2269 | * |
2270 | * Return: The original value of @v. |
2271 | */ |
2272 | static __always_inline s64 |
2273 | atomic64_fetch_dec_acquire(atomic64_t *v) |
2274 | { |
2275 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2276 | return raw_atomic64_fetch_dec_acquire(v); |
2277 | } |
2278 | |
2279 | /** |
2280 | * atomic64_fetch_dec_release() - atomic decrement with release ordering |
2281 | * @v: pointer to atomic64_t |
2282 | * |
2283 | * Atomically updates @v to (@v - 1) with release ordering. |
2284 | * |
2285 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_dec_release() there. |
2286 | * |
2287 | * Return: The original value of @v. |
2288 | */ |
2289 | static __always_inline s64 |
2290 | atomic64_fetch_dec_release(atomic64_t *v) |
2291 | { |
2292 | kcsan_release(); |
2293 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2294 | return raw_atomic64_fetch_dec_release(v); |
2295 | } |
2296 | |
2297 | /** |
2298 | * atomic64_fetch_dec_relaxed() - atomic decrement with relaxed ordering |
2299 | * @v: pointer to atomic64_t |
2300 | * |
2301 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
2302 | * |
2303 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_dec_relaxed() there. |
2304 | * |
2305 | * Return: The original value of @v. |
2306 | */ |
2307 | static __always_inline s64 |
2308 | atomic64_fetch_dec_relaxed(atomic64_t *v) |
2309 | { |
2310 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2311 | return raw_atomic64_fetch_dec_relaxed(v); |
2312 | } |
2313 | |
2314 | /** |
2315 | * atomic64_and() - atomic bitwise AND with relaxed ordering |
2316 | * @i: s64 value |
2317 | * @v: pointer to atomic64_t |
2318 | * |
2319 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
2320 | * |
2321 | * Unsafe to use in noinstr code; use raw_atomic64_and() there. |
2322 | * |
2323 | * Return: Nothing. |
2324 | */ |
2325 | static __always_inline void |
2326 | atomic64_and(s64 i, atomic64_t *v) |
2327 | { |
2328 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2329 | raw_atomic64_and(i, v); |
2330 | } |
2331 | |
2332 | /** |
2333 | * atomic64_fetch_and() - atomic bitwise AND with full ordering |
2334 | * @i: s64 value |
2335 | * @v: pointer to atomic64_t |
2336 | * |
2337 | * Atomically updates @v to (@v & @i) with full ordering. |
2338 | * |
2339 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_and() there. |
2340 | * |
2341 | * Return: The original value of @v. |
2342 | */ |
2343 | static __always_inline s64 |
2344 | atomic64_fetch_and(s64 i, atomic64_t *v) |
2345 | { |
2346 | kcsan_mb(); |
2347 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2348 | return raw_atomic64_fetch_and(i, v); |
2349 | } |
2350 | |
2351 | /** |
2352 | * atomic64_fetch_and_acquire() - atomic bitwise AND with acquire ordering |
2353 | * @i: s64 value |
2354 | * @v: pointer to atomic64_t |
2355 | * |
2356 | * Atomically updates @v to (@v & @i) with acquire ordering. |
2357 | * |
2358 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_and_acquire() there. |
2359 | * |
2360 | * Return: The original value of @v. |
2361 | */ |
2362 | static __always_inline s64 |
2363 | atomic64_fetch_and_acquire(s64 i, atomic64_t *v) |
2364 | { |
2365 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2366 | return raw_atomic64_fetch_and_acquire(i, v); |
2367 | } |
2368 | |
2369 | /** |
2370 | * atomic64_fetch_and_release() - atomic bitwise AND with release ordering |
2371 | * @i: s64 value |
2372 | * @v: pointer to atomic64_t |
2373 | * |
2374 | * Atomically updates @v to (@v & @i) with release ordering. |
2375 | * |
2376 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_and_release() there. |
2377 | * |
2378 | * Return: The original value of @v. |
2379 | */ |
2380 | static __always_inline s64 |
2381 | atomic64_fetch_and_release(s64 i, atomic64_t *v) |
2382 | { |
2383 | kcsan_release(); |
2384 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2385 | return raw_atomic64_fetch_and_release(i, v); |
2386 | } |
2387 | |
2388 | /** |
2389 | * atomic64_fetch_and_relaxed() - atomic bitwise AND with relaxed ordering |
2390 | * @i: s64 value |
2391 | * @v: pointer to atomic64_t |
2392 | * |
2393 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
2394 | * |
2395 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_and_relaxed() there. |
2396 | * |
2397 | * Return: The original value of @v. |
2398 | */ |
2399 | static __always_inline s64 |
2400 | atomic64_fetch_and_relaxed(s64 i, atomic64_t *v) |
2401 | { |
2402 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2403 | return raw_atomic64_fetch_and_relaxed(i, v); |
2404 | } |
2405 | |
2406 | /** |
2407 | * atomic64_andnot() - atomic bitwise AND NOT with relaxed ordering |
2408 | * @i: s64 value |
2409 | * @v: pointer to atomic64_t |
2410 | * |
2411 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
2412 | * |
2413 | * Unsafe to use in noinstr code; use raw_atomic64_andnot() there. |
2414 | * |
2415 | * Return: Nothing. |
2416 | */ |
2417 | static __always_inline void |
2418 | atomic64_andnot(s64 i, atomic64_t *v) |
2419 | { |
2420 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2421 | raw_atomic64_andnot(i, v); |
2422 | } |
2423 | |
2424 | /** |
2425 | * atomic64_fetch_andnot() - atomic bitwise AND NOT with full ordering |
2426 | * @i: s64 value |
2427 | * @v: pointer to atomic64_t |
2428 | * |
2429 | * Atomically updates @v to (@v & ~@i) with full ordering. |
2430 | * |
2431 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_andnot() there. |
2432 | * |
2433 | * Return: The original value of @v. |
2434 | */ |
2435 | static __always_inline s64 |
2436 | atomic64_fetch_andnot(s64 i, atomic64_t *v) |
2437 | { |
2438 | kcsan_mb(); |
2439 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2440 | return raw_atomic64_fetch_andnot(i, v); |
2441 | } |
2442 | |
2443 | /** |
2444 | * atomic64_fetch_andnot_acquire() - atomic bitwise AND NOT with acquire ordering |
2445 | * @i: s64 value |
2446 | * @v: pointer to atomic64_t |
2447 | * |
2448 | * Atomically updates @v to (@v & ~@i) with acquire ordering. |
2449 | * |
2450 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_andnot_acquire() there. |
2451 | * |
2452 | * Return: The original value of @v. |
2453 | */ |
2454 | static __always_inline s64 |
2455 | atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) |
2456 | { |
2457 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2458 | return raw_atomic64_fetch_andnot_acquire(i, v); |
2459 | } |
2460 | |
2461 | /** |
2462 | * atomic64_fetch_andnot_release() - atomic bitwise AND NOT with release ordering |
2463 | * @i: s64 value |
2464 | * @v: pointer to atomic64_t |
2465 | * |
2466 | * Atomically updates @v to (@v & ~@i) with release ordering. |
2467 | * |
2468 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_andnot_release() there. |
2469 | * |
2470 | * Return: The original value of @v. |
2471 | */ |
2472 | static __always_inline s64 |
2473 | atomic64_fetch_andnot_release(s64 i, atomic64_t *v) |
2474 | { |
2475 | kcsan_release(); |
2476 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2477 | return raw_atomic64_fetch_andnot_release(i, v); |
2478 | } |
2479 | |
2480 | /** |
2481 | * atomic64_fetch_andnot_relaxed() - atomic bitwise AND NOT with relaxed ordering |
2482 | * @i: s64 value |
2483 | * @v: pointer to atomic64_t |
2484 | * |
2485 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
2486 | * |
2487 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_andnot_relaxed() there. |
2488 | * |
2489 | * Return: The original value of @v. |
2490 | */ |
2491 | static __always_inline s64 |
2492 | atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) |
2493 | { |
2494 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2495 | return raw_atomic64_fetch_andnot_relaxed(i, v); |
2496 | } |
2497 | |
2498 | /** |
2499 | * atomic64_or() - atomic bitwise OR with relaxed ordering |
2500 | * @i: s64 value |
2501 | * @v: pointer to atomic64_t |
2502 | * |
2503 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
2504 | * |
2505 | * Unsafe to use in noinstr code; use raw_atomic64_or() there. |
2506 | * |
2507 | * Return: Nothing. |
2508 | */ |
2509 | static __always_inline void |
2510 | atomic64_or(s64 i, atomic64_t *v) |
2511 | { |
2512 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2513 | raw_atomic64_or(i, v); |
2514 | } |
2515 | |
2516 | /** |
2517 | * atomic64_fetch_or() - atomic bitwise OR with full ordering |
2518 | * @i: s64 value |
2519 | * @v: pointer to atomic64_t |
2520 | * |
2521 | * Atomically updates @v to (@v | @i) with full ordering. |
2522 | * |
2523 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_or() there. |
2524 | * |
2525 | * Return: The original value of @v. |
2526 | */ |
2527 | static __always_inline s64 |
2528 | atomic64_fetch_or(s64 i, atomic64_t *v) |
2529 | { |
2530 | kcsan_mb(); |
2531 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2532 | return raw_atomic64_fetch_or(i, v); |
2533 | } |
2534 | |
2535 | /** |
2536 | * atomic64_fetch_or_acquire() - atomic bitwise OR with acquire ordering |
2537 | * @i: s64 value |
2538 | * @v: pointer to atomic64_t |
2539 | * |
2540 | * Atomically updates @v to (@v | @i) with acquire ordering. |
2541 | * |
2542 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_or_acquire() there. |
2543 | * |
2544 | * Return: The original value of @v. |
2545 | */ |
2546 | static __always_inline s64 |
2547 | atomic64_fetch_or_acquire(s64 i, atomic64_t *v) |
2548 | { |
2549 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2550 | return raw_atomic64_fetch_or_acquire(i, v); |
2551 | } |
2552 | |
2553 | /** |
2554 | * atomic64_fetch_or_release() - atomic bitwise OR with release ordering |
2555 | * @i: s64 value |
2556 | * @v: pointer to atomic64_t |
2557 | * |
2558 | * Atomically updates @v to (@v | @i) with release ordering. |
2559 | * |
2560 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_or_release() there. |
2561 | * |
2562 | * Return: The original value of @v. |
2563 | */ |
2564 | static __always_inline s64 |
2565 | atomic64_fetch_or_release(s64 i, atomic64_t *v) |
2566 | { |
2567 | kcsan_release(); |
2568 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2569 | return raw_atomic64_fetch_or_release(i, v); |
2570 | } |
2571 | |
2572 | /** |
2573 | * atomic64_fetch_or_relaxed() - atomic bitwise OR with relaxed ordering |
2574 | * @i: s64 value |
2575 | * @v: pointer to atomic64_t |
2576 | * |
2577 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
2578 | * |
2579 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_or_relaxed() there. |
2580 | * |
2581 | * Return: The original value of @v. |
2582 | */ |
2583 | static __always_inline s64 |
2584 | atomic64_fetch_or_relaxed(s64 i, atomic64_t *v) |
2585 | { |
2586 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2587 | return raw_atomic64_fetch_or_relaxed(i, v); |
2588 | } |
2589 | |
2590 | /** |
2591 | * atomic64_xor() - atomic bitwise XOR with relaxed ordering |
2592 | * @i: s64 value |
2593 | * @v: pointer to atomic64_t |
2594 | * |
2595 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
2596 | * |
2597 | * Unsafe to use in noinstr code; use raw_atomic64_xor() there. |
2598 | * |
2599 | * Return: Nothing. |
2600 | */ |
2601 | static __always_inline void |
2602 | atomic64_xor(s64 i, atomic64_t *v) |
2603 | { |
2604 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2605 | raw_atomic64_xor(i, v); |
2606 | } |
2607 | |
2608 | /** |
2609 | * atomic64_fetch_xor() - atomic bitwise XOR with full ordering |
2610 | * @i: s64 value |
2611 | * @v: pointer to atomic64_t |
2612 | * |
2613 | * Atomically updates @v to (@v ^ @i) with full ordering. |
2614 | * |
2615 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_xor() there. |
2616 | * |
2617 | * Return: The original value of @v. |
2618 | */ |
2619 | static __always_inline s64 |
2620 | atomic64_fetch_xor(s64 i, atomic64_t *v) |
2621 | { |
2622 | kcsan_mb(); |
2623 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2624 | return raw_atomic64_fetch_xor(i, v); |
2625 | } |
2626 | |
2627 | /** |
2628 | * atomic64_fetch_xor_acquire() - atomic bitwise XOR with acquire ordering |
2629 | * @i: s64 value |
2630 | * @v: pointer to atomic64_t |
2631 | * |
2632 | * Atomically updates @v to (@v ^ @i) with acquire ordering. |
2633 | * |
2634 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_xor_acquire() there. |
2635 | * |
2636 | * Return: The original value of @v. |
2637 | */ |
2638 | static __always_inline s64 |
2639 | atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) |
2640 | { |
2641 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2642 | return raw_atomic64_fetch_xor_acquire(i, v); |
2643 | } |
2644 | |
2645 | /** |
2646 | * atomic64_fetch_xor_release() - atomic bitwise XOR with release ordering |
2647 | * @i: s64 value |
2648 | * @v: pointer to atomic64_t |
2649 | * |
2650 | * Atomically updates @v to (@v ^ @i) with release ordering. |
2651 | * |
2652 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_xor_release() there. |
2653 | * |
2654 | * Return: The original value of @v. |
2655 | */ |
2656 | static __always_inline s64 |
2657 | atomic64_fetch_xor_release(s64 i, atomic64_t *v) |
2658 | { |
2659 | kcsan_release(); |
2660 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2661 | return raw_atomic64_fetch_xor_release(i, v); |
2662 | } |
2663 | |
2664 | /** |
2665 | * atomic64_fetch_xor_relaxed() - atomic bitwise XOR with relaxed ordering |
2666 | * @i: s64 value |
2667 | * @v: pointer to atomic64_t |
2668 | * |
2669 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
2670 | * |
2671 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_xor_relaxed() there. |
2672 | * |
2673 | * Return: The original value of @v. |
2674 | */ |
2675 | static __always_inline s64 |
2676 | atomic64_fetch_xor_relaxed(s64 i, atomic64_t *v) |
2677 | { |
2678 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2679 | return raw_atomic64_fetch_xor_relaxed(i, v); |
2680 | } |
2681 | |
2682 | /** |
2683 | * atomic64_xchg() - atomic exchange with full ordering |
2684 | * @v: pointer to atomic64_t |
2685 | * @new: s64 value to assign |
2686 | * |
2687 | * Atomically updates @v to @new with full ordering. |
2688 | * |
2689 | * Unsafe to use in noinstr code; use raw_atomic64_xchg() there. |
2690 | * |
2691 | * Return: The original value of @v. |
2692 | */ |
2693 | static __always_inline s64 |
2694 | atomic64_xchg(atomic64_t *v, s64 new) |
2695 | { |
2696 | kcsan_mb(); |
2697 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2698 | return raw_atomic64_xchg(v, new); |
2699 | } |
2700 | |
2701 | /** |
2702 | * atomic64_xchg_acquire() - atomic exchange with acquire ordering |
2703 | * @v: pointer to atomic64_t |
2704 | * @new: s64 value to assign |
2705 | * |
2706 | * Atomically updates @v to @new with acquire ordering. |
2707 | * |
2708 | * Unsafe to use in noinstr code; use raw_atomic64_xchg_acquire() there. |
2709 | * |
2710 | * Return: The original value of @v. |
2711 | */ |
2712 | static __always_inline s64 |
2713 | atomic64_xchg_acquire(atomic64_t *v, s64 new) |
2714 | { |
2715 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2716 | return raw_atomic64_xchg_acquire(v, new); |
2717 | } |
2718 | |
2719 | /** |
2720 | * atomic64_xchg_release() - atomic exchange with release ordering |
2721 | * @v: pointer to atomic64_t |
2722 | * @new: s64 value to assign |
2723 | * |
2724 | * Atomically updates @v to @new with release ordering. |
2725 | * |
2726 | * Unsafe to use in noinstr code; use raw_atomic64_xchg_release() there. |
2727 | * |
2728 | * Return: The original value of @v. |
2729 | */ |
2730 | static __always_inline s64 |
2731 | atomic64_xchg_release(atomic64_t *v, s64 new) |
2732 | { |
2733 | kcsan_release(); |
2734 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2735 | return raw_atomic64_xchg_release(v, new); |
2736 | } |
2737 | |
2738 | /** |
2739 | * atomic64_xchg_relaxed() - atomic exchange with relaxed ordering |
2740 | * @v: pointer to atomic64_t |
2741 | * @new: s64 value to assign |
2742 | * |
2743 | * Atomically updates @v to @new with relaxed ordering. |
2744 | * |
2745 | * Unsafe to use in noinstr code; use raw_atomic64_xchg_relaxed() there. |
2746 | * |
2747 | * Return: The original value of @v. |
2748 | */ |
2749 | static __always_inline s64 |
2750 | atomic64_xchg_relaxed(atomic64_t *v, s64 new) |
2751 | { |
2752 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2753 | return raw_atomic64_xchg_relaxed(v, new); |
2754 | } |
2755 | |
2756 | /** |
2757 | * atomic64_cmpxchg() - atomic compare and exchange with full ordering |
2758 | * @v: pointer to atomic64_t |
2759 | * @old: s64 value to compare with |
2760 | * @new: s64 value to assign |
2761 | * |
2762 | * If (@v == @old), atomically updates @v to @new with full ordering. |
2763 | * Otherwise, @v is not modified and relaxed ordering is provided. |
2764 | * |
2765 | * Unsafe to use in noinstr code; use raw_atomic64_cmpxchg() there. |
2766 | * |
2767 | * Return: The original value of @v. |
2768 | */ |
2769 | static __always_inline s64 |
2770 | atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) |
2771 | { |
2772 | kcsan_mb(); |
2773 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2774 | return raw_atomic64_cmpxchg(v, old, new); |
2775 | } |
2776 | |
2777 | /** |
2778 | * atomic64_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
2779 | * @v: pointer to atomic64_t |
2780 | * @old: s64 value to compare with |
2781 | * @new: s64 value to assign |
2782 | * |
2783 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
2784 | * Otherwise, @v is not modified and relaxed ordering is provided. |
2785 | * |
2786 | * Unsafe to use in noinstr code; use raw_atomic64_cmpxchg_acquire() there. |
2787 | * |
2788 | * Return: The original value of @v. |
2789 | */ |
2790 | static __always_inline s64 |
2791 | atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) |
2792 | { |
2793 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2794 | return raw_atomic64_cmpxchg_acquire(v, old, new); |
2795 | } |
2796 | |
2797 | /** |
2798 | * atomic64_cmpxchg_release() - atomic compare and exchange with release ordering |
2799 | * @v: pointer to atomic64_t |
2800 | * @old: s64 value to compare with |
2801 | * @new: s64 value to assign |
2802 | * |
2803 | * If (@v == @old), atomically updates @v to @new with release ordering. |
2804 | * Otherwise, @v is not modified and relaxed ordering is provided. |
2805 | * |
2806 | * Unsafe to use in noinstr code; use raw_atomic64_cmpxchg_release() there. |
2807 | * |
2808 | * Return: The original value of @v. |
2809 | */ |
2810 | static __always_inline s64 |
2811 | atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) |
2812 | { |
2813 | kcsan_release(); |
2814 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2815 | return raw_atomic64_cmpxchg_release(v, old, new); |
2816 | } |
2817 | |
2818 | /** |
2819 | * atomic64_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
2820 | * @v: pointer to atomic64_t |
2821 | * @old: s64 value to compare with |
2822 | * @new: s64 value to assign |
2823 | * |
2824 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
2825 | * Otherwise, @v is not modified and relaxed ordering is provided. |
2826 | * |
2827 | * Unsafe to use in noinstr code; use raw_atomic64_cmpxchg_relaxed() there. |
2828 | * |
2829 | * Return: The original value of @v. |
2830 | */ |
2831 | static __always_inline s64 |
2832 | atomic64_cmpxchg_relaxed(atomic64_t *v, s64 old, s64 new) |
2833 | { |
2834 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2835 | return raw_atomic64_cmpxchg_relaxed(v, old, new); |
2836 | } |
2837 | |
2838 | /** |
2839 | * atomic64_try_cmpxchg() - atomic compare and exchange with full ordering |
2840 | * @v: pointer to atomic64_t |
2841 | * @old: pointer to s64 value to compare with |
2842 | * @new: s64 value to assign |
2843 | * |
2844 | * If (@v == @old), atomically updates @v to @new with full ordering. |
2845 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
2846 | * and relaxed ordering is provided. |
2847 | * |
2848 | * Unsafe to use in noinstr code; use raw_atomic64_try_cmpxchg() there. |
2849 | * |
2850 | * Return: @true if the exchange occured, @false otherwise. |
2851 | */ |
2852 | static __always_inline bool |
2853 | atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) |
2854 | { |
2855 | kcsan_mb(); |
2856 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2857 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
2858 | return raw_atomic64_try_cmpxchg(v, old, new); |
2859 | } |
2860 | |
2861 | /** |
2862 | * atomic64_try_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
2863 | * @v: pointer to atomic64_t |
2864 | * @old: pointer to s64 value to compare with |
2865 | * @new: s64 value to assign |
2866 | * |
2867 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
2868 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
2869 | * and relaxed ordering is provided. |
2870 | * |
2871 | * Unsafe to use in noinstr code; use raw_atomic64_try_cmpxchg_acquire() there. |
2872 | * |
2873 | * Return: @true if the exchange occured, @false otherwise. |
2874 | */ |
2875 | static __always_inline bool |
2876 | atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) |
2877 | { |
2878 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2879 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
2880 | return raw_atomic64_try_cmpxchg_acquire(v, old, new); |
2881 | } |
2882 | |
2883 | /** |
2884 | * atomic64_try_cmpxchg_release() - atomic compare and exchange with release ordering |
2885 | * @v: pointer to atomic64_t |
2886 | * @old: pointer to s64 value to compare with |
2887 | * @new: s64 value to assign |
2888 | * |
2889 | * If (@v == @old), atomically updates @v to @new with release ordering. |
2890 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
2891 | * and relaxed ordering is provided. |
2892 | * |
2893 | * Unsafe to use in noinstr code; use raw_atomic64_try_cmpxchg_release() there. |
2894 | * |
2895 | * Return: @true if the exchange occured, @false otherwise. |
2896 | */ |
2897 | static __always_inline bool |
2898 | atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) |
2899 | { |
2900 | kcsan_release(); |
2901 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2902 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
2903 | return raw_atomic64_try_cmpxchg_release(v, old, new); |
2904 | } |
2905 | |
2906 | /** |
2907 | * atomic64_try_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
2908 | * @v: pointer to atomic64_t |
2909 | * @old: pointer to s64 value to compare with |
2910 | * @new: s64 value to assign |
2911 | * |
2912 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
2913 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
2914 | * and relaxed ordering is provided. |
2915 | * |
2916 | * Unsafe to use in noinstr code; use raw_atomic64_try_cmpxchg_relaxed() there. |
2917 | * |
2918 | * Return: @true if the exchange occured, @false otherwise. |
2919 | */ |
2920 | static __always_inline bool |
2921 | atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) |
2922 | { |
2923 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2924 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
2925 | return raw_atomic64_try_cmpxchg_relaxed(v, old, new); |
2926 | } |
2927 | |
2928 | /** |
2929 | * atomic64_sub_and_test() - atomic subtract and test if zero with full ordering |
2930 | * @i: s64 value to add |
2931 | * @v: pointer to atomic64_t |
2932 | * |
2933 | * Atomically updates @v to (@v - @i) with full ordering. |
2934 | * |
2935 | * Unsafe to use in noinstr code; use raw_atomic64_sub_and_test() there. |
2936 | * |
2937 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
2938 | */ |
2939 | static __always_inline bool |
2940 | atomic64_sub_and_test(s64 i, atomic64_t *v) |
2941 | { |
2942 | kcsan_mb(); |
2943 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2944 | return raw_atomic64_sub_and_test(i, v); |
2945 | } |
2946 | |
2947 | /** |
2948 | * atomic64_dec_and_test() - atomic decrement and test if zero with full ordering |
2949 | * @v: pointer to atomic64_t |
2950 | * |
2951 | * Atomically updates @v to (@v - 1) with full ordering. |
2952 | * |
2953 | * Unsafe to use in noinstr code; use raw_atomic64_dec_and_test() there. |
2954 | * |
2955 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
2956 | */ |
2957 | static __always_inline bool |
2958 | atomic64_dec_and_test(atomic64_t *v) |
2959 | { |
2960 | kcsan_mb(); |
2961 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2962 | return raw_atomic64_dec_and_test(v); |
2963 | } |
2964 | |
2965 | /** |
2966 | * atomic64_inc_and_test() - atomic increment and test if zero with full ordering |
2967 | * @v: pointer to atomic64_t |
2968 | * |
2969 | * Atomically updates @v to (@v + 1) with full ordering. |
2970 | * |
2971 | * Unsafe to use in noinstr code; use raw_atomic64_inc_and_test() there. |
2972 | * |
2973 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
2974 | */ |
2975 | static __always_inline bool |
2976 | atomic64_inc_and_test(atomic64_t *v) |
2977 | { |
2978 | kcsan_mb(); |
2979 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2980 | return raw_atomic64_inc_and_test(v); |
2981 | } |
2982 | |
2983 | /** |
2984 | * atomic64_add_negative() - atomic add and test if negative with full ordering |
2985 | * @i: s64 value to add |
2986 | * @v: pointer to atomic64_t |
2987 | * |
2988 | * Atomically updates @v to (@v + @i) with full ordering. |
2989 | * |
2990 | * Unsafe to use in noinstr code; use raw_atomic64_add_negative() there. |
2991 | * |
2992 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
2993 | */ |
2994 | static __always_inline bool |
2995 | atomic64_add_negative(s64 i, atomic64_t *v) |
2996 | { |
2997 | kcsan_mb(); |
2998 | instrument_atomic_read_write(v, size: sizeof(*v)); |
2999 | return raw_atomic64_add_negative(i, v); |
3000 | } |
3001 | |
3002 | /** |
3003 | * atomic64_add_negative_acquire() - atomic add and test if negative with acquire ordering |
3004 | * @i: s64 value to add |
3005 | * @v: pointer to atomic64_t |
3006 | * |
3007 | * Atomically updates @v to (@v + @i) with acquire ordering. |
3008 | * |
3009 | * Unsafe to use in noinstr code; use raw_atomic64_add_negative_acquire() there. |
3010 | * |
3011 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
3012 | */ |
3013 | static __always_inline bool |
3014 | atomic64_add_negative_acquire(s64 i, atomic64_t *v) |
3015 | { |
3016 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3017 | return raw_atomic64_add_negative_acquire(i, v); |
3018 | } |
3019 | |
3020 | /** |
3021 | * atomic64_add_negative_release() - atomic add and test if negative with release ordering |
3022 | * @i: s64 value to add |
3023 | * @v: pointer to atomic64_t |
3024 | * |
3025 | * Atomically updates @v to (@v + @i) with release ordering. |
3026 | * |
3027 | * Unsafe to use in noinstr code; use raw_atomic64_add_negative_release() there. |
3028 | * |
3029 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
3030 | */ |
3031 | static __always_inline bool |
3032 | atomic64_add_negative_release(s64 i, atomic64_t *v) |
3033 | { |
3034 | kcsan_release(); |
3035 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3036 | return raw_atomic64_add_negative_release(i, v); |
3037 | } |
3038 | |
3039 | /** |
3040 | * atomic64_add_negative_relaxed() - atomic add and test if negative with relaxed ordering |
3041 | * @i: s64 value to add |
3042 | * @v: pointer to atomic64_t |
3043 | * |
3044 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
3045 | * |
3046 | * Unsafe to use in noinstr code; use raw_atomic64_add_negative_relaxed() there. |
3047 | * |
3048 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
3049 | */ |
3050 | static __always_inline bool |
3051 | atomic64_add_negative_relaxed(s64 i, atomic64_t *v) |
3052 | { |
3053 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3054 | return raw_atomic64_add_negative_relaxed(i, v); |
3055 | } |
3056 | |
3057 | /** |
3058 | * atomic64_fetch_add_unless() - atomic add unless value with full ordering |
3059 | * @v: pointer to atomic64_t |
3060 | * @a: s64 value to add |
3061 | * @u: s64 value to compare with |
3062 | * |
3063 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
3064 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3065 | * |
3066 | * Unsafe to use in noinstr code; use raw_atomic64_fetch_add_unless() there. |
3067 | * |
3068 | * Return: The original value of @v. |
3069 | */ |
3070 | static __always_inline s64 |
3071 | atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) |
3072 | { |
3073 | kcsan_mb(); |
3074 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3075 | return raw_atomic64_fetch_add_unless(v, a, u); |
3076 | } |
3077 | |
3078 | /** |
3079 | * atomic64_add_unless() - atomic add unless value with full ordering |
3080 | * @v: pointer to atomic64_t |
3081 | * @a: s64 value to add |
3082 | * @u: s64 value to compare with |
3083 | * |
3084 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
3085 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3086 | * |
3087 | * Unsafe to use in noinstr code; use raw_atomic64_add_unless() there. |
3088 | * |
3089 | * Return: @true if @v was updated, @false otherwise. |
3090 | */ |
3091 | static __always_inline bool |
3092 | atomic64_add_unless(atomic64_t *v, s64 a, s64 u) |
3093 | { |
3094 | kcsan_mb(); |
3095 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3096 | return raw_atomic64_add_unless(v, a, u); |
3097 | } |
3098 | |
3099 | /** |
3100 | * atomic64_inc_not_zero() - atomic increment unless zero with full ordering |
3101 | * @v: pointer to atomic64_t |
3102 | * |
3103 | * If (@v != 0), atomically updates @v to (@v + 1) with full ordering. |
3104 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3105 | * |
3106 | * Unsafe to use in noinstr code; use raw_atomic64_inc_not_zero() there. |
3107 | * |
3108 | * Return: @true if @v was updated, @false otherwise. |
3109 | */ |
3110 | static __always_inline bool |
3111 | atomic64_inc_not_zero(atomic64_t *v) |
3112 | { |
3113 | kcsan_mb(); |
3114 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3115 | return raw_atomic64_inc_not_zero(v); |
3116 | } |
3117 | |
3118 | /** |
3119 | * atomic64_inc_unless_negative() - atomic increment unless negative with full ordering |
3120 | * @v: pointer to atomic64_t |
3121 | * |
3122 | * If (@v >= 0), atomically updates @v to (@v + 1) with full ordering. |
3123 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3124 | * |
3125 | * Unsafe to use in noinstr code; use raw_atomic64_inc_unless_negative() there. |
3126 | * |
3127 | * Return: @true if @v was updated, @false otherwise. |
3128 | */ |
3129 | static __always_inline bool |
3130 | atomic64_inc_unless_negative(atomic64_t *v) |
3131 | { |
3132 | kcsan_mb(); |
3133 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3134 | return raw_atomic64_inc_unless_negative(v); |
3135 | } |
3136 | |
3137 | /** |
3138 | * atomic64_dec_unless_positive() - atomic decrement unless positive with full ordering |
3139 | * @v: pointer to atomic64_t |
3140 | * |
3141 | * If (@v <= 0), atomically updates @v to (@v - 1) with full ordering. |
3142 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3143 | * |
3144 | * Unsafe to use in noinstr code; use raw_atomic64_dec_unless_positive() there. |
3145 | * |
3146 | * Return: @true if @v was updated, @false otherwise. |
3147 | */ |
3148 | static __always_inline bool |
3149 | atomic64_dec_unless_positive(atomic64_t *v) |
3150 | { |
3151 | kcsan_mb(); |
3152 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3153 | return raw_atomic64_dec_unless_positive(v); |
3154 | } |
3155 | |
3156 | /** |
3157 | * atomic64_dec_if_positive() - atomic decrement if positive with full ordering |
3158 | * @v: pointer to atomic64_t |
3159 | * |
3160 | * If (@v > 0), atomically updates @v to (@v - 1) with full ordering. |
3161 | * Otherwise, @v is not modified and relaxed ordering is provided. |
3162 | * |
3163 | * Unsafe to use in noinstr code; use raw_atomic64_dec_if_positive() there. |
3164 | * |
3165 | * Return: The old value of (@v - 1), regardless of whether @v was updated. |
3166 | */ |
3167 | static __always_inline s64 |
3168 | atomic64_dec_if_positive(atomic64_t *v) |
3169 | { |
3170 | kcsan_mb(); |
3171 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3172 | return raw_atomic64_dec_if_positive(v); |
3173 | } |
3174 | |
3175 | /** |
3176 | * atomic_long_read() - atomic load with relaxed ordering |
3177 | * @v: pointer to atomic_long_t |
3178 | * |
3179 | * Atomically loads the value of @v with relaxed ordering. |
3180 | * |
3181 | * Unsafe to use in noinstr code; use raw_atomic_long_read() there. |
3182 | * |
3183 | * Return: The value loaded from @v. |
3184 | */ |
3185 | static __always_inline long |
3186 | atomic_long_read(const atomic_long_t *v) |
3187 | { |
3188 | instrument_atomic_read(v, size: sizeof(*v)); |
3189 | return raw_atomic_long_read(v); |
3190 | } |
3191 | |
3192 | /** |
3193 | * atomic_long_read_acquire() - atomic load with acquire ordering |
3194 | * @v: pointer to atomic_long_t |
3195 | * |
3196 | * Atomically loads the value of @v with acquire ordering. |
3197 | * |
3198 | * Unsafe to use in noinstr code; use raw_atomic_long_read_acquire() there. |
3199 | * |
3200 | * Return: The value loaded from @v. |
3201 | */ |
3202 | static __always_inline long |
3203 | atomic_long_read_acquire(const atomic_long_t *v) |
3204 | { |
3205 | instrument_atomic_read(v, size: sizeof(*v)); |
3206 | return raw_atomic_long_read_acquire(v); |
3207 | } |
3208 | |
3209 | /** |
3210 | * atomic_long_set() - atomic set with relaxed ordering |
3211 | * @v: pointer to atomic_long_t |
3212 | * @i: long value to assign |
3213 | * |
3214 | * Atomically sets @v to @i with relaxed ordering. |
3215 | * |
3216 | * Unsafe to use in noinstr code; use raw_atomic_long_set() there. |
3217 | * |
3218 | * Return: Nothing. |
3219 | */ |
3220 | static __always_inline void |
3221 | atomic_long_set(atomic_long_t *v, long i) |
3222 | { |
3223 | instrument_atomic_write(v, size: sizeof(*v)); |
3224 | raw_atomic_long_set(v, i); |
3225 | } |
3226 | |
3227 | /** |
3228 | * atomic_long_set_release() - atomic set with release ordering |
3229 | * @v: pointer to atomic_long_t |
3230 | * @i: long value to assign |
3231 | * |
3232 | * Atomically sets @v to @i with release ordering. |
3233 | * |
3234 | * Unsafe to use in noinstr code; use raw_atomic_long_set_release() there. |
3235 | * |
3236 | * Return: Nothing. |
3237 | */ |
3238 | static __always_inline void |
3239 | atomic_long_set_release(atomic_long_t *v, long i) |
3240 | { |
3241 | kcsan_release(); |
3242 | instrument_atomic_write(v, size: sizeof(*v)); |
3243 | raw_atomic_long_set_release(v, i); |
3244 | } |
3245 | |
3246 | /** |
3247 | * atomic_long_add() - atomic add with relaxed ordering |
3248 | * @i: long value to add |
3249 | * @v: pointer to atomic_long_t |
3250 | * |
3251 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
3252 | * |
3253 | * Unsafe to use in noinstr code; use raw_atomic_long_add() there. |
3254 | * |
3255 | * Return: Nothing. |
3256 | */ |
3257 | static __always_inline void |
3258 | atomic_long_add(long i, atomic_long_t *v) |
3259 | { |
3260 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3261 | raw_atomic_long_add(i, v); |
3262 | } |
3263 | |
3264 | /** |
3265 | * atomic_long_add_return() - atomic add with full ordering |
3266 | * @i: long value to add |
3267 | * @v: pointer to atomic_long_t |
3268 | * |
3269 | * Atomically updates @v to (@v + @i) with full ordering. |
3270 | * |
3271 | * Unsafe to use in noinstr code; use raw_atomic_long_add_return() there. |
3272 | * |
3273 | * Return: The updated value of @v. |
3274 | */ |
3275 | static __always_inline long |
3276 | atomic_long_add_return(long i, atomic_long_t *v) |
3277 | { |
3278 | kcsan_mb(); |
3279 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3280 | return raw_atomic_long_add_return(i, v); |
3281 | } |
3282 | |
3283 | /** |
3284 | * atomic_long_add_return_acquire() - atomic add with acquire ordering |
3285 | * @i: long value to add |
3286 | * @v: pointer to atomic_long_t |
3287 | * |
3288 | * Atomically updates @v to (@v + @i) with acquire ordering. |
3289 | * |
3290 | * Unsafe to use in noinstr code; use raw_atomic_long_add_return_acquire() there. |
3291 | * |
3292 | * Return: The updated value of @v. |
3293 | */ |
3294 | static __always_inline long |
3295 | atomic_long_add_return_acquire(long i, atomic_long_t *v) |
3296 | { |
3297 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3298 | return raw_atomic_long_add_return_acquire(i, v); |
3299 | } |
3300 | |
3301 | /** |
3302 | * atomic_long_add_return_release() - atomic add with release ordering |
3303 | * @i: long value to add |
3304 | * @v: pointer to atomic_long_t |
3305 | * |
3306 | * Atomically updates @v to (@v + @i) with release ordering. |
3307 | * |
3308 | * Unsafe to use in noinstr code; use raw_atomic_long_add_return_release() there. |
3309 | * |
3310 | * Return: The updated value of @v. |
3311 | */ |
3312 | static __always_inline long |
3313 | atomic_long_add_return_release(long i, atomic_long_t *v) |
3314 | { |
3315 | kcsan_release(); |
3316 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3317 | return raw_atomic_long_add_return_release(i, v); |
3318 | } |
3319 | |
3320 | /** |
3321 | * atomic_long_add_return_relaxed() - atomic add with relaxed ordering |
3322 | * @i: long value to add |
3323 | * @v: pointer to atomic_long_t |
3324 | * |
3325 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
3326 | * |
3327 | * Unsafe to use in noinstr code; use raw_atomic_long_add_return_relaxed() there. |
3328 | * |
3329 | * Return: The updated value of @v. |
3330 | */ |
3331 | static __always_inline long |
3332 | atomic_long_add_return_relaxed(long i, atomic_long_t *v) |
3333 | { |
3334 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3335 | return raw_atomic_long_add_return_relaxed(i, v); |
3336 | } |
3337 | |
3338 | /** |
3339 | * atomic_long_fetch_add() - atomic add with full ordering |
3340 | * @i: long value to add |
3341 | * @v: pointer to atomic_long_t |
3342 | * |
3343 | * Atomically updates @v to (@v + @i) with full ordering. |
3344 | * |
3345 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_add() there. |
3346 | * |
3347 | * Return: The original value of @v. |
3348 | */ |
3349 | static __always_inline long |
3350 | atomic_long_fetch_add(long i, atomic_long_t *v) |
3351 | { |
3352 | kcsan_mb(); |
3353 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3354 | return raw_atomic_long_fetch_add(i, v); |
3355 | } |
3356 | |
3357 | /** |
3358 | * atomic_long_fetch_add_acquire() - atomic add with acquire ordering |
3359 | * @i: long value to add |
3360 | * @v: pointer to atomic_long_t |
3361 | * |
3362 | * Atomically updates @v to (@v + @i) with acquire ordering. |
3363 | * |
3364 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_add_acquire() there. |
3365 | * |
3366 | * Return: The original value of @v. |
3367 | */ |
3368 | static __always_inline long |
3369 | atomic_long_fetch_add_acquire(long i, atomic_long_t *v) |
3370 | { |
3371 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3372 | return raw_atomic_long_fetch_add_acquire(i, v); |
3373 | } |
3374 | |
3375 | /** |
3376 | * atomic_long_fetch_add_release() - atomic add with release ordering |
3377 | * @i: long value to add |
3378 | * @v: pointer to atomic_long_t |
3379 | * |
3380 | * Atomically updates @v to (@v + @i) with release ordering. |
3381 | * |
3382 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_add_release() there. |
3383 | * |
3384 | * Return: The original value of @v. |
3385 | */ |
3386 | static __always_inline long |
3387 | atomic_long_fetch_add_release(long i, atomic_long_t *v) |
3388 | { |
3389 | kcsan_release(); |
3390 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3391 | return raw_atomic_long_fetch_add_release(i, v); |
3392 | } |
3393 | |
3394 | /** |
3395 | * atomic_long_fetch_add_relaxed() - atomic add with relaxed ordering |
3396 | * @i: long value to add |
3397 | * @v: pointer to atomic_long_t |
3398 | * |
3399 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
3400 | * |
3401 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_add_relaxed() there. |
3402 | * |
3403 | * Return: The original value of @v. |
3404 | */ |
3405 | static __always_inline long |
3406 | atomic_long_fetch_add_relaxed(long i, atomic_long_t *v) |
3407 | { |
3408 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3409 | return raw_atomic_long_fetch_add_relaxed(i, v); |
3410 | } |
3411 | |
3412 | /** |
3413 | * atomic_long_sub() - atomic subtract with relaxed ordering |
3414 | * @i: long value to subtract |
3415 | * @v: pointer to atomic_long_t |
3416 | * |
3417 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
3418 | * |
3419 | * Unsafe to use in noinstr code; use raw_atomic_long_sub() there. |
3420 | * |
3421 | * Return: Nothing. |
3422 | */ |
3423 | static __always_inline void |
3424 | atomic_long_sub(long i, atomic_long_t *v) |
3425 | { |
3426 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3427 | raw_atomic_long_sub(i, v); |
3428 | } |
3429 | |
3430 | /** |
3431 | * atomic_long_sub_return() - atomic subtract with full ordering |
3432 | * @i: long value to subtract |
3433 | * @v: pointer to atomic_long_t |
3434 | * |
3435 | * Atomically updates @v to (@v - @i) with full ordering. |
3436 | * |
3437 | * Unsafe to use in noinstr code; use raw_atomic_long_sub_return() there. |
3438 | * |
3439 | * Return: The updated value of @v. |
3440 | */ |
3441 | static __always_inline long |
3442 | atomic_long_sub_return(long i, atomic_long_t *v) |
3443 | { |
3444 | kcsan_mb(); |
3445 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3446 | return raw_atomic_long_sub_return(i, v); |
3447 | } |
3448 | |
3449 | /** |
3450 | * atomic_long_sub_return_acquire() - atomic subtract with acquire ordering |
3451 | * @i: long value to subtract |
3452 | * @v: pointer to atomic_long_t |
3453 | * |
3454 | * Atomically updates @v to (@v - @i) with acquire ordering. |
3455 | * |
3456 | * Unsafe to use in noinstr code; use raw_atomic_long_sub_return_acquire() there. |
3457 | * |
3458 | * Return: The updated value of @v. |
3459 | */ |
3460 | static __always_inline long |
3461 | atomic_long_sub_return_acquire(long i, atomic_long_t *v) |
3462 | { |
3463 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3464 | return raw_atomic_long_sub_return_acquire(i, v); |
3465 | } |
3466 | |
3467 | /** |
3468 | * atomic_long_sub_return_release() - atomic subtract with release ordering |
3469 | * @i: long value to subtract |
3470 | * @v: pointer to atomic_long_t |
3471 | * |
3472 | * Atomically updates @v to (@v - @i) with release ordering. |
3473 | * |
3474 | * Unsafe to use in noinstr code; use raw_atomic_long_sub_return_release() there. |
3475 | * |
3476 | * Return: The updated value of @v. |
3477 | */ |
3478 | static __always_inline long |
3479 | atomic_long_sub_return_release(long i, atomic_long_t *v) |
3480 | { |
3481 | kcsan_release(); |
3482 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3483 | return raw_atomic_long_sub_return_release(i, v); |
3484 | } |
3485 | |
3486 | /** |
3487 | * atomic_long_sub_return_relaxed() - atomic subtract with relaxed ordering |
3488 | * @i: long value to subtract |
3489 | * @v: pointer to atomic_long_t |
3490 | * |
3491 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
3492 | * |
3493 | * Unsafe to use in noinstr code; use raw_atomic_long_sub_return_relaxed() there. |
3494 | * |
3495 | * Return: The updated value of @v. |
3496 | */ |
3497 | static __always_inline long |
3498 | atomic_long_sub_return_relaxed(long i, atomic_long_t *v) |
3499 | { |
3500 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3501 | return raw_atomic_long_sub_return_relaxed(i, v); |
3502 | } |
3503 | |
3504 | /** |
3505 | * atomic_long_fetch_sub() - atomic subtract with full ordering |
3506 | * @i: long value to subtract |
3507 | * @v: pointer to atomic_long_t |
3508 | * |
3509 | * Atomically updates @v to (@v - @i) with full ordering. |
3510 | * |
3511 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_sub() there. |
3512 | * |
3513 | * Return: The original value of @v. |
3514 | */ |
3515 | static __always_inline long |
3516 | atomic_long_fetch_sub(long i, atomic_long_t *v) |
3517 | { |
3518 | kcsan_mb(); |
3519 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3520 | return raw_atomic_long_fetch_sub(i, v); |
3521 | } |
3522 | |
3523 | /** |
3524 | * atomic_long_fetch_sub_acquire() - atomic subtract with acquire ordering |
3525 | * @i: long value to subtract |
3526 | * @v: pointer to atomic_long_t |
3527 | * |
3528 | * Atomically updates @v to (@v - @i) with acquire ordering. |
3529 | * |
3530 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_sub_acquire() there. |
3531 | * |
3532 | * Return: The original value of @v. |
3533 | */ |
3534 | static __always_inline long |
3535 | atomic_long_fetch_sub_acquire(long i, atomic_long_t *v) |
3536 | { |
3537 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3538 | return raw_atomic_long_fetch_sub_acquire(i, v); |
3539 | } |
3540 | |
3541 | /** |
3542 | * atomic_long_fetch_sub_release() - atomic subtract with release ordering |
3543 | * @i: long value to subtract |
3544 | * @v: pointer to atomic_long_t |
3545 | * |
3546 | * Atomically updates @v to (@v - @i) with release ordering. |
3547 | * |
3548 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_sub_release() there. |
3549 | * |
3550 | * Return: The original value of @v. |
3551 | */ |
3552 | static __always_inline long |
3553 | atomic_long_fetch_sub_release(long i, atomic_long_t *v) |
3554 | { |
3555 | kcsan_release(); |
3556 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3557 | return raw_atomic_long_fetch_sub_release(i, v); |
3558 | } |
3559 | |
3560 | /** |
3561 | * atomic_long_fetch_sub_relaxed() - atomic subtract with relaxed ordering |
3562 | * @i: long value to subtract |
3563 | * @v: pointer to atomic_long_t |
3564 | * |
3565 | * Atomically updates @v to (@v - @i) with relaxed ordering. |
3566 | * |
3567 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_sub_relaxed() there. |
3568 | * |
3569 | * Return: The original value of @v. |
3570 | */ |
3571 | static __always_inline long |
3572 | atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v) |
3573 | { |
3574 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3575 | return raw_atomic_long_fetch_sub_relaxed(i, v); |
3576 | } |
3577 | |
3578 | /** |
3579 | * atomic_long_inc() - atomic increment with relaxed ordering |
3580 | * @v: pointer to atomic_long_t |
3581 | * |
3582 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
3583 | * |
3584 | * Unsafe to use in noinstr code; use raw_atomic_long_inc() there. |
3585 | * |
3586 | * Return: Nothing. |
3587 | */ |
3588 | static __always_inline void |
3589 | atomic_long_inc(atomic_long_t *v) |
3590 | { |
3591 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3592 | raw_atomic_long_inc(v); |
3593 | } |
3594 | |
3595 | /** |
3596 | * atomic_long_inc_return() - atomic increment with full ordering |
3597 | * @v: pointer to atomic_long_t |
3598 | * |
3599 | * Atomically updates @v to (@v + 1) with full ordering. |
3600 | * |
3601 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_return() there. |
3602 | * |
3603 | * Return: The updated value of @v. |
3604 | */ |
3605 | static __always_inline long |
3606 | atomic_long_inc_return(atomic_long_t *v) |
3607 | { |
3608 | kcsan_mb(); |
3609 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3610 | return raw_atomic_long_inc_return(v); |
3611 | } |
3612 | |
3613 | /** |
3614 | * atomic_long_inc_return_acquire() - atomic increment with acquire ordering |
3615 | * @v: pointer to atomic_long_t |
3616 | * |
3617 | * Atomically updates @v to (@v + 1) with acquire ordering. |
3618 | * |
3619 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_return_acquire() there. |
3620 | * |
3621 | * Return: The updated value of @v. |
3622 | */ |
3623 | static __always_inline long |
3624 | atomic_long_inc_return_acquire(atomic_long_t *v) |
3625 | { |
3626 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3627 | return raw_atomic_long_inc_return_acquire(v); |
3628 | } |
3629 | |
3630 | /** |
3631 | * atomic_long_inc_return_release() - atomic increment with release ordering |
3632 | * @v: pointer to atomic_long_t |
3633 | * |
3634 | * Atomically updates @v to (@v + 1) with release ordering. |
3635 | * |
3636 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_return_release() there. |
3637 | * |
3638 | * Return: The updated value of @v. |
3639 | */ |
3640 | static __always_inline long |
3641 | atomic_long_inc_return_release(atomic_long_t *v) |
3642 | { |
3643 | kcsan_release(); |
3644 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3645 | return raw_atomic_long_inc_return_release(v); |
3646 | } |
3647 | |
3648 | /** |
3649 | * atomic_long_inc_return_relaxed() - atomic increment with relaxed ordering |
3650 | * @v: pointer to atomic_long_t |
3651 | * |
3652 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
3653 | * |
3654 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_return_relaxed() there. |
3655 | * |
3656 | * Return: The updated value of @v. |
3657 | */ |
3658 | static __always_inline long |
3659 | atomic_long_inc_return_relaxed(atomic_long_t *v) |
3660 | { |
3661 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3662 | return raw_atomic_long_inc_return_relaxed(v); |
3663 | } |
3664 | |
3665 | /** |
3666 | * atomic_long_fetch_inc() - atomic increment with full ordering |
3667 | * @v: pointer to atomic_long_t |
3668 | * |
3669 | * Atomically updates @v to (@v + 1) with full ordering. |
3670 | * |
3671 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_inc() there. |
3672 | * |
3673 | * Return: The original value of @v. |
3674 | */ |
3675 | static __always_inline long |
3676 | atomic_long_fetch_inc(atomic_long_t *v) |
3677 | { |
3678 | kcsan_mb(); |
3679 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3680 | return raw_atomic_long_fetch_inc(v); |
3681 | } |
3682 | |
3683 | /** |
3684 | * atomic_long_fetch_inc_acquire() - atomic increment with acquire ordering |
3685 | * @v: pointer to atomic_long_t |
3686 | * |
3687 | * Atomically updates @v to (@v + 1) with acquire ordering. |
3688 | * |
3689 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_inc_acquire() there. |
3690 | * |
3691 | * Return: The original value of @v. |
3692 | */ |
3693 | static __always_inline long |
3694 | atomic_long_fetch_inc_acquire(atomic_long_t *v) |
3695 | { |
3696 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3697 | return raw_atomic_long_fetch_inc_acquire(v); |
3698 | } |
3699 | |
3700 | /** |
3701 | * atomic_long_fetch_inc_release() - atomic increment with release ordering |
3702 | * @v: pointer to atomic_long_t |
3703 | * |
3704 | * Atomically updates @v to (@v + 1) with release ordering. |
3705 | * |
3706 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_inc_release() there. |
3707 | * |
3708 | * Return: The original value of @v. |
3709 | */ |
3710 | static __always_inline long |
3711 | atomic_long_fetch_inc_release(atomic_long_t *v) |
3712 | { |
3713 | kcsan_release(); |
3714 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3715 | return raw_atomic_long_fetch_inc_release(v); |
3716 | } |
3717 | |
3718 | /** |
3719 | * atomic_long_fetch_inc_relaxed() - atomic increment with relaxed ordering |
3720 | * @v: pointer to atomic_long_t |
3721 | * |
3722 | * Atomically updates @v to (@v + 1) with relaxed ordering. |
3723 | * |
3724 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_inc_relaxed() there. |
3725 | * |
3726 | * Return: The original value of @v. |
3727 | */ |
3728 | static __always_inline long |
3729 | atomic_long_fetch_inc_relaxed(atomic_long_t *v) |
3730 | { |
3731 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3732 | return raw_atomic_long_fetch_inc_relaxed(v); |
3733 | } |
3734 | |
3735 | /** |
3736 | * atomic_long_dec() - atomic decrement with relaxed ordering |
3737 | * @v: pointer to atomic_long_t |
3738 | * |
3739 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
3740 | * |
3741 | * Unsafe to use in noinstr code; use raw_atomic_long_dec() there. |
3742 | * |
3743 | * Return: Nothing. |
3744 | */ |
3745 | static __always_inline void |
3746 | atomic_long_dec(atomic_long_t *v) |
3747 | { |
3748 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3749 | raw_atomic_long_dec(v); |
3750 | } |
3751 | |
3752 | /** |
3753 | * atomic_long_dec_return() - atomic decrement with full ordering |
3754 | * @v: pointer to atomic_long_t |
3755 | * |
3756 | * Atomically updates @v to (@v - 1) with full ordering. |
3757 | * |
3758 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_return() there. |
3759 | * |
3760 | * Return: The updated value of @v. |
3761 | */ |
3762 | static __always_inline long |
3763 | atomic_long_dec_return(atomic_long_t *v) |
3764 | { |
3765 | kcsan_mb(); |
3766 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3767 | return raw_atomic_long_dec_return(v); |
3768 | } |
3769 | |
3770 | /** |
3771 | * atomic_long_dec_return_acquire() - atomic decrement with acquire ordering |
3772 | * @v: pointer to atomic_long_t |
3773 | * |
3774 | * Atomically updates @v to (@v - 1) with acquire ordering. |
3775 | * |
3776 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_return_acquire() there. |
3777 | * |
3778 | * Return: The updated value of @v. |
3779 | */ |
3780 | static __always_inline long |
3781 | atomic_long_dec_return_acquire(atomic_long_t *v) |
3782 | { |
3783 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3784 | return raw_atomic_long_dec_return_acquire(v); |
3785 | } |
3786 | |
3787 | /** |
3788 | * atomic_long_dec_return_release() - atomic decrement with release ordering |
3789 | * @v: pointer to atomic_long_t |
3790 | * |
3791 | * Atomically updates @v to (@v - 1) with release ordering. |
3792 | * |
3793 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_return_release() there. |
3794 | * |
3795 | * Return: The updated value of @v. |
3796 | */ |
3797 | static __always_inline long |
3798 | atomic_long_dec_return_release(atomic_long_t *v) |
3799 | { |
3800 | kcsan_release(); |
3801 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3802 | return raw_atomic_long_dec_return_release(v); |
3803 | } |
3804 | |
3805 | /** |
3806 | * atomic_long_dec_return_relaxed() - atomic decrement with relaxed ordering |
3807 | * @v: pointer to atomic_long_t |
3808 | * |
3809 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
3810 | * |
3811 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_return_relaxed() there. |
3812 | * |
3813 | * Return: The updated value of @v. |
3814 | */ |
3815 | static __always_inline long |
3816 | atomic_long_dec_return_relaxed(atomic_long_t *v) |
3817 | { |
3818 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3819 | return raw_atomic_long_dec_return_relaxed(v); |
3820 | } |
3821 | |
3822 | /** |
3823 | * atomic_long_fetch_dec() - atomic decrement with full ordering |
3824 | * @v: pointer to atomic_long_t |
3825 | * |
3826 | * Atomically updates @v to (@v - 1) with full ordering. |
3827 | * |
3828 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_dec() there. |
3829 | * |
3830 | * Return: The original value of @v. |
3831 | */ |
3832 | static __always_inline long |
3833 | atomic_long_fetch_dec(atomic_long_t *v) |
3834 | { |
3835 | kcsan_mb(); |
3836 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3837 | return raw_atomic_long_fetch_dec(v); |
3838 | } |
3839 | |
3840 | /** |
3841 | * atomic_long_fetch_dec_acquire() - atomic decrement with acquire ordering |
3842 | * @v: pointer to atomic_long_t |
3843 | * |
3844 | * Atomically updates @v to (@v - 1) with acquire ordering. |
3845 | * |
3846 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_dec_acquire() there. |
3847 | * |
3848 | * Return: The original value of @v. |
3849 | */ |
3850 | static __always_inline long |
3851 | atomic_long_fetch_dec_acquire(atomic_long_t *v) |
3852 | { |
3853 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3854 | return raw_atomic_long_fetch_dec_acquire(v); |
3855 | } |
3856 | |
3857 | /** |
3858 | * atomic_long_fetch_dec_release() - atomic decrement with release ordering |
3859 | * @v: pointer to atomic_long_t |
3860 | * |
3861 | * Atomically updates @v to (@v - 1) with release ordering. |
3862 | * |
3863 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_dec_release() there. |
3864 | * |
3865 | * Return: The original value of @v. |
3866 | */ |
3867 | static __always_inline long |
3868 | atomic_long_fetch_dec_release(atomic_long_t *v) |
3869 | { |
3870 | kcsan_release(); |
3871 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3872 | return raw_atomic_long_fetch_dec_release(v); |
3873 | } |
3874 | |
3875 | /** |
3876 | * atomic_long_fetch_dec_relaxed() - atomic decrement with relaxed ordering |
3877 | * @v: pointer to atomic_long_t |
3878 | * |
3879 | * Atomically updates @v to (@v - 1) with relaxed ordering. |
3880 | * |
3881 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_dec_relaxed() there. |
3882 | * |
3883 | * Return: The original value of @v. |
3884 | */ |
3885 | static __always_inline long |
3886 | atomic_long_fetch_dec_relaxed(atomic_long_t *v) |
3887 | { |
3888 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3889 | return raw_atomic_long_fetch_dec_relaxed(v); |
3890 | } |
3891 | |
3892 | /** |
3893 | * atomic_long_and() - atomic bitwise AND with relaxed ordering |
3894 | * @i: long value |
3895 | * @v: pointer to atomic_long_t |
3896 | * |
3897 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
3898 | * |
3899 | * Unsafe to use in noinstr code; use raw_atomic_long_and() there. |
3900 | * |
3901 | * Return: Nothing. |
3902 | */ |
3903 | static __always_inline void |
3904 | atomic_long_and(long i, atomic_long_t *v) |
3905 | { |
3906 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3907 | raw_atomic_long_and(i, v); |
3908 | } |
3909 | |
3910 | /** |
3911 | * atomic_long_fetch_and() - atomic bitwise AND with full ordering |
3912 | * @i: long value |
3913 | * @v: pointer to atomic_long_t |
3914 | * |
3915 | * Atomically updates @v to (@v & @i) with full ordering. |
3916 | * |
3917 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_and() there. |
3918 | * |
3919 | * Return: The original value of @v. |
3920 | */ |
3921 | static __always_inline long |
3922 | atomic_long_fetch_and(long i, atomic_long_t *v) |
3923 | { |
3924 | kcsan_mb(); |
3925 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3926 | return raw_atomic_long_fetch_and(i, v); |
3927 | } |
3928 | |
3929 | /** |
3930 | * atomic_long_fetch_and_acquire() - atomic bitwise AND with acquire ordering |
3931 | * @i: long value |
3932 | * @v: pointer to atomic_long_t |
3933 | * |
3934 | * Atomically updates @v to (@v & @i) with acquire ordering. |
3935 | * |
3936 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_and_acquire() there. |
3937 | * |
3938 | * Return: The original value of @v. |
3939 | */ |
3940 | static __always_inline long |
3941 | atomic_long_fetch_and_acquire(long i, atomic_long_t *v) |
3942 | { |
3943 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3944 | return raw_atomic_long_fetch_and_acquire(i, v); |
3945 | } |
3946 | |
3947 | /** |
3948 | * atomic_long_fetch_and_release() - atomic bitwise AND with release ordering |
3949 | * @i: long value |
3950 | * @v: pointer to atomic_long_t |
3951 | * |
3952 | * Atomically updates @v to (@v & @i) with release ordering. |
3953 | * |
3954 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_and_release() there. |
3955 | * |
3956 | * Return: The original value of @v. |
3957 | */ |
3958 | static __always_inline long |
3959 | atomic_long_fetch_and_release(long i, atomic_long_t *v) |
3960 | { |
3961 | kcsan_release(); |
3962 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3963 | return raw_atomic_long_fetch_and_release(i, v); |
3964 | } |
3965 | |
3966 | /** |
3967 | * atomic_long_fetch_and_relaxed() - atomic bitwise AND with relaxed ordering |
3968 | * @i: long value |
3969 | * @v: pointer to atomic_long_t |
3970 | * |
3971 | * Atomically updates @v to (@v & @i) with relaxed ordering. |
3972 | * |
3973 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_and_relaxed() there. |
3974 | * |
3975 | * Return: The original value of @v. |
3976 | */ |
3977 | static __always_inline long |
3978 | atomic_long_fetch_and_relaxed(long i, atomic_long_t *v) |
3979 | { |
3980 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3981 | return raw_atomic_long_fetch_and_relaxed(i, v); |
3982 | } |
3983 | |
3984 | /** |
3985 | * atomic_long_andnot() - atomic bitwise AND NOT with relaxed ordering |
3986 | * @i: long value |
3987 | * @v: pointer to atomic_long_t |
3988 | * |
3989 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
3990 | * |
3991 | * Unsafe to use in noinstr code; use raw_atomic_long_andnot() there. |
3992 | * |
3993 | * Return: Nothing. |
3994 | */ |
3995 | static __always_inline void |
3996 | atomic_long_andnot(long i, atomic_long_t *v) |
3997 | { |
3998 | instrument_atomic_read_write(v, size: sizeof(*v)); |
3999 | raw_atomic_long_andnot(i, v); |
4000 | } |
4001 | |
4002 | /** |
4003 | * atomic_long_fetch_andnot() - atomic bitwise AND NOT with full ordering |
4004 | * @i: long value |
4005 | * @v: pointer to atomic_long_t |
4006 | * |
4007 | * Atomically updates @v to (@v & ~@i) with full ordering. |
4008 | * |
4009 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_andnot() there. |
4010 | * |
4011 | * Return: The original value of @v. |
4012 | */ |
4013 | static __always_inline long |
4014 | atomic_long_fetch_andnot(long i, atomic_long_t *v) |
4015 | { |
4016 | kcsan_mb(); |
4017 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4018 | return raw_atomic_long_fetch_andnot(i, v); |
4019 | } |
4020 | |
4021 | /** |
4022 | * atomic_long_fetch_andnot_acquire() - atomic bitwise AND NOT with acquire ordering |
4023 | * @i: long value |
4024 | * @v: pointer to atomic_long_t |
4025 | * |
4026 | * Atomically updates @v to (@v & ~@i) with acquire ordering. |
4027 | * |
4028 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_andnot_acquire() there. |
4029 | * |
4030 | * Return: The original value of @v. |
4031 | */ |
4032 | static __always_inline long |
4033 | atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v) |
4034 | { |
4035 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4036 | return raw_atomic_long_fetch_andnot_acquire(i, v); |
4037 | } |
4038 | |
4039 | /** |
4040 | * atomic_long_fetch_andnot_release() - atomic bitwise AND NOT with release ordering |
4041 | * @i: long value |
4042 | * @v: pointer to atomic_long_t |
4043 | * |
4044 | * Atomically updates @v to (@v & ~@i) with release ordering. |
4045 | * |
4046 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_andnot_release() there. |
4047 | * |
4048 | * Return: The original value of @v. |
4049 | */ |
4050 | static __always_inline long |
4051 | atomic_long_fetch_andnot_release(long i, atomic_long_t *v) |
4052 | { |
4053 | kcsan_release(); |
4054 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4055 | return raw_atomic_long_fetch_andnot_release(i, v); |
4056 | } |
4057 | |
4058 | /** |
4059 | * atomic_long_fetch_andnot_relaxed() - atomic bitwise AND NOT with relaxed ordering |
4060 | * @i: long value |
4061 | * @v: pointer to atomic_long_t |
4062 | * |
4063 | * Atomically updates @v to (@v & ~@i) with relaxed ordering. |
4064 | * |
4065 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_andnot_relaxed() there. |
4066 | * |
4067 | * Return: The original value of @v. |
4068 | */ |
4069 | static __always_inline long |
4070 | atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v) |
4071 | { |
4072 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4073 | return raw_atomic_long_fetch_andnot_relaxed(i, v); |
4074 | } |
4075 | |
4076 | /** |
4077 | * atomic_long_or() - atomic bitwise OR with relaxed ordering |
4078 | * @i: long value |
4079 | * @v: pointer to atomic_long_t |
4080 | * |
4081 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
4082 | * |
4083 | * Unsafe to use in noinstr code; use raw_atomic_long_or() there. |
4084 | * |
4085 | * Return: Nothing. |
4086 | */ |
4087 | static __always_inline void |
4088 | atomic_long_or(long i, atomic_long_t *v) |
4089 | { |
4090 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4091 | raw_atomic_long_or(i, v); |
4092 | } |
4093 | |
4094 | /** |
4095 | * atomic_long_fetch_or() - atomic bitwise OR with full ordering |
4096 | * @i: long value |
4097 | * @v: pointer to atomic_long_t |
4098 | * |
4099 | * Atomically updates @v to (@v | @i) with full ordering. |
4100 | * |
4101 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_or() there. |
4102 | * |
4103 | * Return: The original value of @v. |
4104 | */ |
4105 | static __always_inline long |
4106 | atomic_long_fetch_or(long i, atomic_long_t *v) |
4107 | { |
4108 | kcsan_mb(); |
4109 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4110 | return raw_atomic_long_fetch_or(i, v); |
4111 | } |
4112 | |
4113 | /** |
4114 | * atomic_long_fetch_or_acquire() - atomic bitwise OR with acquire ordering |
4115 | * @i: long value |
4116 | * @v: pointer to atomic_long_t |
4117 | * |
4118 | * Atomically updates @v to (@v | @i) with acquire ordering. |
4119 | * |
4120 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_or_acquire() there. |
4121 | * |
4122 | * Return: The original value of @v. |
4123 | */ |
4124 | static __always_inline long |
4125 | atomic_long_fetch_or_acquire(long i, atomic_long_t *v) |
4126 | { |
4127 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4128 | return raw_atomic_long_fetch_or_acquire(i, v); |
4129 | } |
4130 | |
4131 | /** |
4132 | * atomic_long_fetch_or_release() - atomic bitwise OR with release ordering |
4133 | * @i: long value |
4134 | * @v: pointer to atomic_long_t |
4135 | * |
4136 | * Atomically updates @v to (@v | @i) with release ordering. |
4137 | * |
4138 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_or_release() there. |
4139 | * |
4140 | * Return: The original value of @v. |
4141 | */ |
4142 | static __always_inline long |
4143 | atomic_long_fetch_or_release(long i, atomic_long_t *v) |
4144 | { |
4145 | kcsan_release(); |
4146 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4147 | return raw_atomic_long_fetch_or_release(i, v); |
4148 | } |
4149 | |
4150 | /** |
4151 | * atomic_long_fetch_or_relaxed() - atomic bitwise OR with relaxed ordering |
4152 | * @i: long value |
4153 | * @v: pointer to atomic_long_t |
4154 | * |
4155 | * Atomically updates @v to (@v | @i) with relaxed ordering. |
4156 | * |
4157 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_or_relaxed() there. |
4158 | * |
4159 | * Return: The original value of @v. |
4160 | */ |
4161 | static __always_inline long |
4162 | atomic_long_fetch_or_relaxed(long i, atomic_long_t *v) |
4163 | { |
4164 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4165 | return raw_atomic_long_fetch_or_relaxed(i, v); |
4166 | } |
4167 | |
4168 | /** |
4169 | * atomic_long_xor() - atomic bitwise XOR with relaxed ordering |
4170 | * @i: long value |
4171 | * @v: pointer to atomic_long_t |
4172 | * |
4173 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
4174 | * |
4175 | * Unsafe to use in noinstr code; use raw_atomic_long_xor() there. |
4176 | * |
4177 | * Return: Nothing. |
4178 | */ |
4179 | static __always_inline void |
4180 | atomic_long_xor(long i, atomic_long_t *v) |
4181 | { |
4182 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4183 | raw_atomic_long_xor(i, v); |
4184 | } |
4185 | |
4186 | /** |
4187 | * atomic_long_fetch_xor() - atomic bitwise XOR with full ordering |
4188 | * @i: long value |
4189 | * @v: pointer to atomic_long_t |
4190 | * |
4191 | * Atomically updates @v to (@v ^ @i) with full ordering. |
4192 | * |
4193 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_xor() there. |
4194 | * |
4195 | * Return: The original value of @v. |
4196 | */ |
4197 | static __always_inline long |
4198 | atomic_long_fetch_xor(long i, atomic_long_t *v) |
4199 | { |
4200 | kcsan_mb(); |
4201 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4202 | return raw_atomic_long_fetch_xor(i, v); |
4203 | } |
4204 | |
4205 | /** |
4206 | * atomic_long_fetch_xor_acquire() - atomic bitwise XOR with acquire ordering |
4207 | * @i: long value |
4208 | * @v: pointer to atomic_long_t |
4209 | * |
4210 | * Atomically updates @v to (@v ^ @i) with acquire ordering. |
4211 | * |
4212 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_xor_acquire() there. |
4213 | * |
4214 | * Return: The original value of @v. |
4215 | */ |
4216 | static __always_inline long |
4217 | atomic_long_fetch_xor_acquire(long i, atomic_long_t *v) |
4218 | { |
4219 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4220 | return raw_atomic_long_fetch_xor_acquire(i, v); |
4221 | } |
4222 | |
4223 | /** |
4224 | * atomic_long_fetch_xor_release() - atomic bitwise XOR with release ordering |
4225 | * @i: long value |
4226 | * @v: pointer to atomic_long_t |
4227 | * |
4228 | * Atomically updates @v to (@v ^ @i) with release ordering. |
4229 | * |
4230 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_xor_release() there. |
4231 | * |
4232 | * Return: The original value of @v. |
4233 | */ |
4234 | static __always_inline long |
4235 | atomic_long_fetch_xor_release(long i, atomic_long_t *v) |
4236 | { |
4237 | kcsan_release(); |
4238 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4239 | return raw_atomic_long_fetch_xor_release(i, v); |
4240 | } |
4241 | |
4242 | /** |
4243 | * atomic_long_fetch_xor_relaxed() - atomic bitwise XOR with relaxed ordering |
4244 | * @i: long value |
4245 | * @v: pointer to atomic_long_t |
4246 | * |
4247 | * Atomically updates @v to (@v ^ @i) with relaxed ordering. |
4248 | * |
4249 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_xor_relaxed() there. |
4250 | * |
4251 | * Return: The original value of @v. |
4252 | */ |
4253 | static __always_inline long |
4254 | atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v) |
4255 | { |
4256 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4257 | return raw_atomic_long_fetch_xor_relaxed(i, v); |
4258 | } |
4259 | |
4260 | /** |
4261 | * atomic_long_xchg() - atomic exchange with full ordering |
4262 | * @v: pointer to atomic_long_t |
4263 | * @new: long value to assign |
4264 | * |
4265 | * Atomically updates @v to @new with full ordering. |
4266 | * |
4267 | * Unsafe to use in noinstr code; use raw_atomic_long_xchg() there. |
4268 | * |
4269 | * Return: The original value of @v. |
4270 | */ |
4271 | static __always_inline long |
4272 | atomic_long_xchg(atomic_long_t *v, long new) |
4273 | { |
4274 | kcsan_mb(); |
4275 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4276 | return raw_atomic_long_xchg(v, new); |
4277 | } |
4278 | |
4279 | /** |
4280 | * atomic_long_xchg_acquire() - atomic exchange with acquire ordering |
4281 | * @v: pointer to atomic_long_t |
4282 | * @new: long value to assign |
4283 | * |
4284 | * Atomically updates @v to @new with acquire ordering. |
4285 | * |
4286 | * Unsafe to use in noinstr code; use raw_atomic_long_xchg_acquire() there. |
4287 | * |
4288 | * Return: The original value of @v. |
4289 | */ |
4290 | static __always_inline long |
4291 | atomic_long_xchg_acquire(atomic_long_t *v, long new) |
4292 | { |
4293 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4294 | return raw_atomic_long_xchg_acquire(v, new); |
4295 | } |
4296 | |
4297 | /** |
4298 | * atomic_long_xchg_release() - atomic exchange with release ordering |
4299 | * @v: pointer to atomic_long_t |
4300 | * @new: long value to assign |
4301 | * |
4302 | * Atomically updates @v to @new with release ordering. |
4303 | * |
4304 | * Unsafe to use in noinstr code; use raw_atomic_long_xchg_release() there. |
4305 | * |
4306 | * Return: The original value of @v. |
4307 | */ |
4308 | static __always_inline long |
4309 | atomic_long_xchg_release(atomic_long_t *v, long new) |
4310 | { |
4311 | kcsan_release(); |
4312 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4313 | return raw_atomic_long_xchg_release(v, new); |
4314 | } |
4315 | |
4316 | /** |
4317 | * atomic_long_xchg_relaxed() - atomic exchange with relaxed ordering |
4318 | * @v: pointer to atomic_long_t |
4319 | * @new: long value to assign |
4320 | * |
4321 | * Atomically updates @v to @new with relaxed ordering. |
4322 | * |
4323 | * Unsafe to use in noinstr code; use raw_atomic_long_xchg_relaxed() there. |
4324 | * |
4325 | * Return: The original value of @v. |
4326 | */ |
4327 | static __always_inline long |
4328 | atomic_long_xchg_relaxed(atomic_long_t *v, long new) |
4329 | { |
4330 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4331 | return raw_atomic_long_xchg_relaxed(v, new); |
4332 | } |
4333 | |
4334 | /** |
4335 | * atomic_long_cmpxchg() - atomic compare and exchange with full ordering |
4336 | * @v: pointer to atomic_long_t |
4337 | * @old: long value to compare with |
4338 | * @new: long value to assign |
4339 | * |
4340 | * If (@v == @old), atomically updates @v to @new with full ordering. |
4341 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4342 | * |
4343 | * Unsafe to use in noinstr code; use raw_atomic_long_cmpxchg() there. |
4344 | * |
4345 | * Return: The original value of @v. |
4346 | */ |
4347 | static __always_inline long |
4348 | atomic_long_cmpxchg(atomic_long_t *v, long old, long new) |
4349 | { |
4350 | kcsan_mb(); |
4351 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4352 | return raw_atomic_long_cmpxchg(v, old, new); |
4353 | } |
4354 | |
4355 | /** |
4356 | * atomic_long_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
4357 | * @v: pointer to atomic_long_t |
4358 | * @old: long value to compare with |
4359 | * @new: long value to assign |
4360 | * |
4361 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
4362 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4363 | * |
4364 | * Unsafe to use in noinstr code; use raw_atomic_long_cmpxchg_acquire() there. |
4365 | * |
4366 | * Return: The original value of @v. |
4367 | */ |
4368 | static __always_inline long |
4369 | atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new) |
4370 | { |
4371 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4372 | return raw_atomic_long_cmpxchg_acquire(v, old, new); |
4373 | } |
4374 | |
4375 | /** |
4376 | * atomic_long_cmpxchg_release() - atomic compare and exchange with release ordering |
4377 | * @v: pointer to atomic_long_t |
4378 | * @old: long value to compare with |
4379 | * @new: long value to assign |
4380 | * |
4381 | * If (@v == @old), atomically updates @v to @new with release ordering. |
4382 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4383 | * |
4384 | * Unsafe to use in noinstr code; use raw_atomic_long_cmpxchg_release() there. |
4385 | * |
4386 | * Return: The original value of @v. |
4387 | */ |
4388 | static __always_inline long |
4389 | atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new) |
4390 | { |
4391 | kcsan_release(); |
4392 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4393 | return raw_atomic_long_cmpxchg_release(v, old, new); |
4394 | } |
4395 | |
4396 | /** |
4397 | * atomic_long_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
4398 | * @v: pointer to atomic_long_t |
4399 | * @old: long value to compare with |
4400 | * @new: long value to assign |
4401 | * |
4402 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
4403 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4404 | * |
4405 | * Unsafe to use in noinstr code; use raw_atomic_long_cmpxchg_relaxed() there. |
4406 | * |
4407 | * Return: The original value of @v. |
4408 | */ |
4409 | static __always_inline long |
4410 | atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new) |
4411 | { |
4412 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4413 | return raw_atomic_long_cmpxchg_relaxed(v, old, new); |
4414 | } |
4415 | |
4416 | /** |
4417 | * atomic_long_try_cmpxchg() - atomic compare and exchange with full ordering |
4418 | * @v: pointer to atomic_long_t |
4419 | * @old: pointer to long value to compare with |
4420 | * @new: long value to assign |
4421 | * |
4422 | * If (@v == @old), atomically updates @v to @new with full ordering. |
4423 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
4424 | * and relaxed ordering is provided. |
4425 | * |
4426 | * Unsafe to use in noinstr code; use raw_atomic_long_try_cmpxchg() there. |
4427 | * |
4428 | * Return: @true if the exchange occured, @false otherwise. |
4429 | */ |
4430 | static __always_inline bool |
4431 | atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new) |
4432 | { |
4433 | kcsan_mb(); |
4434 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4435 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
4436 | return raw_atomic_long_try_cmpxchg(v, old, new); |
4437 | } |
4438 | |
4439 | /** |
4440 | * atomic_long_try_cmpxchg_acquire() - atomic compare and exchange with acquire ordering |
4441 | * @v: pointer to atomic_long_t |
4442 | * @old: pointer to long value to compare with |
4443 | * @new: long value to assign |
4444 | * |
4445 | * If (@v == @old), atomically updates @v to @new with acquire ordering. |
4446 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
4447 | * and relaxed ordering is provided. |
4448 | * |
4449 | * Unsafe to use in noinstr code; use raw_atomic_long_try_cmpxchg_acquire() there. |
4450 | * |
4451 | * Return: @true if the exchange occured, @false otherwise. |
4452 | */ |
4453 | static __always_inline bool |
4454 | atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new) |
4455 | { |
4456 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4457 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
4458 | return raw_atomic_long_try_cmpxchg_acquire(v, old, new); |
4459 | } |
4460 | |
4461 | /** |
4462 | * atomic_long_try_cmpxchg_release() - atomic compare and exchange with release ordering |
4463 | * @v: pointer to atomic_long_t |
4464 | * @old: pointer to long value to compare with |
4465 | * @new: long value to assign |
4466 | * |
4467 | * If (@v == @old), atomically updates @v to @new with release ordering. |
4468 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
4469 | * and relaxed ordering is provided. |
4470 | * |
4471 | * Unsafe to use in noinstr code; use raw_atomic_long_try_cmpxchg_release() there. |
4472 | * |
4473 | * Return: @true if the exchange occured, @false otherwise. |
4474 | */ |
4475 | static __always_inline bool |
4476 | atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new) |
4477 | { |
4478 | kcsan_release(); |
4479 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4480 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
4481 | return raw_atomic_long_try_cmpxchg_release(v, old, new); |
4482 | } |
4483 | |
4484 | /** |
4485 | * atomic_long_try_cmpxchg_relaxed() - atomic compare and exchange with relaxed ordering |
4486 | * @v: pointer to atomic_long_t |
4487 | * @old: pointer to long value to compare with |
4488 | * @new: long value to assign |
4489 | * |
4490 | * If (@v == @old), atomically updates @v to @new with relaxed ordering. |
4491 | * Otherwise, @v is not modified, @old is updated to the current value of @v, |
4492 | * and relaxed ordering is provided. |
4493 | * |
4494 | * Unsafe to use in noinstr code; use raw_atomic_long_try_cmpxchg_relaxed() there. |
4495 | * |
4496 | * Return: @true if the exchange occured, @false otherwise. |
4497 | */ |
4498 | static __always_inline bool |
4499 | atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new) |
4500 | { |
4501 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4502 | instrument_atomic_read_write(v: old, size: sizeof(*old)); |
4503 | return raw_atomic_long_try_cmpxchg_relaxed(v, old, new); |
4504 | } |
4505 | |
4506 | /** |
4507 | * atomic_long_sub_and_test() - atomic subtract and test if zero with full ordering |
4508 | * @i: long value to add |
4509 | * @v: pointer to atomic_long_t |
4510 | * |
4511 | * Atomically updates @v to (@v - @i) with full ordering. |
4512 | * |
4513 | * Unsafe to use in noinstr code; use raw_atomic_long_sub_and_test() there. |
4514 | * |
4515 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
4516 | */ |
4517 | static __always_inline bool |
4518 | atomic_long_sub_and_test(long i, atomic_long_t *v) |
4519 | { |
4520 | kcsan_mb(); |
4521 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4522 | return raw_atomic_long_sub_and_test(i, v); |
4523 | } |
4524 | |
4525 | /** |
4526 | * atomic_long_dec_and_test() - atomic decrement and test if zero with full ordering |
4527 | * @v: pointer to atomic_long_t |
4528 | * |
4529 | * Atomically updates @v to (@v - 1) with full ordering. |
4530 | * |
4531 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_and_test() there. |
4532 | * |
4533 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
4534 | */ |
4535 | static __always_inline bool |
4536 | atomic_long_dec_and_test(atomic_long_t *v) |
4537 | { |
4538 | kcsan_mb(); |
4539 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4540 | return raw_atomic_long_dec_and_test(v); |
4541 | } |
4542 | |
4543 | /** |
4544 | * atomic_long_inc_and_test() - atomic increment and test if zero with full ordering |
4545 | * @v: pointer to atomic_long_t |
4546 | * |
4547 | * Atomically updates @v to (@v + 1) with full ordering. |
4548 | * |
4549 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_and_test() there. |
4550 | * |
4551 | * Return: @true if the resulting value of @v is zero, @false otherwise. |
4552 | */ |
4553 | static __always_inline bool |
4554 | atomic_long_inc_and_test(atomic_long_t *v) |
4555 | { |
4556 | kcsan_mb(); |
4557 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4558 | return raw_atomic_long_inc_and_test(v); |
4559 | } |
4560 | |
4561 | /** |
4562 | * atomic_long_add_negative() - atomic add and test if negative with full ordering |
4563 | * @i: long value to add |
4564 | * @v: pointer to atomic_long_t |
4565 | * |
4566 | * Atomically updates @v to (@v + @i) with full ordering. |
4567 | * |
4568 | * Unsafe to use in noinstr code; use raw_atomic_long_add_negative() there. |
4569 | * |
4570 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
4571 | */ |
4572 | static __always_inline bool |
4573 | atomic_long_add_negative(long i, atomic_long_t *v) |
4574 | { |
4575 | kcsan_mb(); |
4576 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4577 | return raw_atomic_long_add_negative(i, v); |
4578 | } |
4579 | |
4580 | /** |
4581 | * atomic_long_add_negative_acquire() - atomic add and test if negative with acquire ordering |
4582 | * @i: long value to add |
4583 | * @v: pointer to atomic_long_t |
4584 | * |
4585 | * Atomically updates @v to (@v + @i) with acquire ordering. |
4586 | * |
4587 | * Unsafe to use in noinstr code; use raw_atomic_long_add_negative_acquire() there. |
4588 | * |
4589 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
4590 | */ |
4591 | static __always_inline bool |
4592 | atomic_long_add_negative_acquire(long i, atomic_long_t *v) |
4593 | { |
4594 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4595 | return raw_atomic_long_add_negative_acquire(i, v); |
4596 | } |
4597 | |
4598 | /** |
4599 | * atomic_long_add_negative_release() - atomic add and test if negative with release ordering |
4600 | * @i: long value to add |
4601 | * @v: pointer to atomic_long_t |
4602 | * |
4603 | * Atomically updates @v to (@v + @i) with release ordering. |
4604 | * |
4605 | * Unsafe to use in noinstr code; use raw_atomic_long_add_negative_release() there. |
4606 | * |
4607 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
4608 | */ |
4609 | static __always_inline bool |
4610 | atomic_long_add_negative_release(long i, atomic_long_t *v) |
4611 | { |
4612 | kcsan_release(); |
4613 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4614 | return raw_atomic_long_add_negative_release(i, v); |
4615 | } |
4616 | |
4617 | /** |
4618 | * atomic_long_add_negative_relaxed() - atomic add and test if negative with relaxed ordering |
4619 | * @i: long value to add |
4620 | * @v: pointer to atomic_long_t |
4621 | * |
4622 | * Atomically updates @v to (@v + @i) with relaxed ordering. |
4623 | * |
4624 | * Unsafe to use in noinstr code; use raw_atomic_long_add_negative_relaxed() there. |
4625 | * |
4626 | * Return: @true if the resulting value of @v is negative, @false otherwise. |
4627 | */ |
4628 | static __always_inline bool |
4629 | atomic_long_add_negative_relaxed(long i, atomic_long_t *v) |
4630 | { |
4631 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4632 | return raw_atomic_long_add_negative_relaxed(i, v); |
4633 | } |
4634 | |
4635 | /** |
4636 | * atomic_long_fetch_add_unless() - atomic add unless value with full ordering |
4637 | * @v: pointer to atomic_long_t |
4638 | * @a: long value to add |
4639 | * @u: long value to compare with |
4640 | * |
4641 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
4642 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4643 | * |
4644 | * Unsafe to use in noinstr code; use raw_atomic_long_fetch_add_unless() there. |
4645 | * |
4646 | * Return: The original value of @v. |
4647 | */ |
4648 | static __always_inline long |
4649 | atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u) |
4650 | { |
4651 | kcsan_mb(); |
4652 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4653 | return raw_atomic_long_fetch_add_unless(v, a, u); |
4654 | } |
4655 | |
4656 | /** |
4657 | * atomic_long_add_unless() - atomic add unless value with full ordering |
4658 | * @v: pointer to atomic_long_t |
4659 | * @a: long value to add |
4660 | * @u: long value to compare with |
4661 | * |
4662 | * If (@v != @u), atomically updates @v to (@v + @a) with full ordering. |
4663 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4664 | * |
4665 | * Unsafe to use in noinstr code; use raw_atomic_long_add_unless() there. |
4666 | * |
4667 | * Return: @true if @v was updated, @false otherwise. |
4668 | */ |
4669 | static __always_inline bool |
4670 | atomic_long_add_unless(atomic_long_t *v, long a, long u) |
4671 | { |
4672 | kcsan_mb(); |
4673 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4674 | return raw_atomic_long_add_unless(v, a, u); |
4675 | } |
4676 | |
4677 | /** |
4678 | * atomic_long_inc_not_zero() - atomic increment unless zero with full ordering |
4679 | * @v: pointer to atomic_long_t |
4680 | * |
4681 | * If (@v != 0), atomically updates @v to (@v + 1) with full ordering. |
4682 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4683 | * |
4684 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_not_zero() there. |
4685 | * |
4686 | * Return: @true if @v was updated, @false otherwise. |
4687 | */ |
4688 | static __always_inline bool |
4689 | atomic_long_inc_not_zero(atomic_long_t *v) |
4690 | { |
4691 | kcsan_mb(); |
4692 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4693 | return raw_atomic_long_inc_not_zero(v); |
4694 | } |
4695 | |
4696 | /** |
4697 | * atomic_long_inc_unless_negative() - atomic increment unless negative with full ordering |
4698 | * @v: pointer to atomic_long_t |
4699 | * |
4700 | * If (@v >= 0), atomically updates @v to (@v + 1) with full ordering. |
4701 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4702 | * |
4703 | * Unsafe to use in noinstr code; use raw_atomic_long_inc_unless_negative() there. |
4704 | * |
4705 | * Return: @true if @v was updated, @false otherwise. |
4706 | */ |
4707 | static __always_inline bool |
4708 | atomic_long_inc_unless_negative(atomic_long_t *v) |
4709 | { |
4710 | kcsan_mb(); |
4711 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4712 | return raw_atomic_long_inc_unless_negative(v); |
4713 | } |
4714 | |
4715 | /** |
4716 | * atomic_long_dec_unless_positive() - atomic decrement unless positive with full ordering |
4717 | * @v: pointer to atomic_long_t |
4718 | * |
4719 | * If (@v <= 0), atomically updates @v to (@v - 1) with full ordering. |
4720 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4721 | * |
4722 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_unless_positive() there. |
4723 | * |
4724 | * Return: @true if @v was updated, @false otherwise. |
4725 | */ |
4726 | static __always_inline bool |
4727 | atomic_long_dec_unless_positive(atomic_long_t *v) |
4728 | { |
4729 | kcsan_mb(); |
4730 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4731 | return raw_atomic_long_dec_unless_positive(v); |
4732 | } |
4733 | |
4734 | /** |
4735 | * atomic_long_dec_if_positive() - atomic decrement if positive with full ordering |
4736 | * @v: pointer to atomic_long_t |
4737 | * |
4738 | * If (@v > 0), atomically updates @v to (@v - 1) with full ordering. |
4739 | * Otherwise, @v is not modified and relaxed ordering is provided. |
4740 | * |
4741 | * Unsafe to use in noinstr code; use raw_atomic_long_dec_if_positive() there. |
4742 | * |
4743 | * Return: The old value of (@v - 1), regardless of whether @v was updated. |
4744 | */ |
4745 | static __always_inline long |
4746 | atomic_long_dec_if_positive(atomic_long_t *v) |
4747 | { |
4748 | kcsan_mb(); |
4749 | instrument_atomic_read_write(v, size: sizeof(*v)); |
4750 | return raw_atomic_long_dec_if_positive(v); |
4751 | } |
4752 | |
4753 | #define xchg(ptr, ...) \ |
4754 | ({ \ |
4755 | typeof(ptr) __ai_ptr = (ptr); \ |
4756 | kcsan_mb(); \ |
4757 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4758 | raw_xchg(__ai_ptr, __VA_ARGS__); \ |
4759 | }) |
4760 | |
4761 | #define xchg_acquire(ptr, ...) \ |
4762 | ({ \ |
4763 | typeof(ptr) __ai_ptr = (ptr); \ |
4764 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4765 | raw_xchg_acquire(__ai_ptr, __VA_ARGS__); \ |
4766 | }) |
4767 | |
4768 | #define xchg_release(ptr, ...) \ |
4769 | ({ \ |
4770 | typeof(ptr) __ai_ptr = (ptr); \ |
4771 | kcsan_release(); \ |
4772 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4773 | raw_xchg_release(__ai_ptr, __VA_ARGS__); \ |
4774 | }) |
4775 | |
4776 | #define xchg_relaxed(ptr, ...) \ |
4777 | ({ \ |
4778 | typeof(ptr) __ai_ptr = (ptr); \ |
4779 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4780 | raw_xchg_relaxed(__ai_ptr, __VA_ARGS__); \ |
4781 | }) |
4782 | |
4783 | #define cmpxchg(ptr, ...) \ |
4784 | ({ \ |
4785 | typeof(ptr) __ai_ptr = (ptr); \ |
4786 | kcsan_mb(); \ |
4787 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4788 | raw_cmpxchg(__ai_ptr, __VA_ARGS__); \ |
4789 | }) |
4790 | |
4791 | #define cmpxchg_acquire(ptr, ...) \ |
4792 | ({ \ |
4793 | typeof(ptr) __ai_ptr = (ptr); \ |
4794 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4795 | raw_cmpxchg_acquire(__ai_ptr, __VA_ARGS__); \ |
4796 | }) |
4797 | |
4798 | #define cmpxchg_release(ptr, ...) \ |
4799 | ({ \ |
4800 | typeof(ptr) __ai_ptr = (ptr); \ |
4801 | kcsan_release(); \ |
4802 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4803 | raw_cmpxchg_release(__ai_ptr, __VA_ARGS__); \ |
4804 | }) |
4805 | |
4806 | #define cmpxchg_relaxed(ptr, ...) \ |
4807 | ({ \ |
4808 | typeof(ptr) __ai_ptr = (ptr); \ |
4809 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4810 | raw_cmpxchg_relaxed(__ai_ptr, __VA_ARGS__); \ |
4811 | }) |
4812 | |
4813 | #define cmpxchg64(ptr, ...) \ |
4814 | ({ \ |
4815 | typeof(ptr) __ai_ptr = (ptr); \ |
4816 | kcsan_mb(); \ |
4817 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4818 | raw_cmpxchg64(__ai_ptr, __VA_ARGS__); \ |
4819 | }) |
4820 | |
4821 | #define cmpxchg64_acquire(ptr, ...) \ |
4822 | ({ \ |
4823 | typeof(ptr) __ai_ptr = (ptr); \ |
4824 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4825 | raw_cmpxchg64_acquire(__ai_ptr, __VA_ARGS__); \ |
4826 | }) |
4827 | |
4828 | #define cmpxchg64_release(ptr, ...) \ |
4829 | ({ \ |
4830 | typeof(ptr) __ai_ptr = (ptr); \ |
4831 | kcsan_release(); \ |
4832 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4833 | raw_cmpxchg64_release(__ai_ptr, __VA_ARGS__); \ |
4834 | }) |
4835 | |
4836 | #define cmpxchg64_relaxed(ptr, ...) \ |
4837 | ({ \ |
4838 | typeof(ptr) __ai_ptr = (ptr); \ |
4839 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4840 | raw_cmpxchg64_relaxed(__ai_ptr, __VA_ARGS__); \ |
4841 | }) |
4842 | |
4843 | #define cmpxchg128(ptr, ...) \ |
4844 | ({ \ |
4845 | typeof(ptr) __ai_ptr = (ptr); \ |
4846 | kcsan_mb(); \ |
4847 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4848 | raw_cmpxchg128(__ai_ptr, __VA_ARGS__); \ |
4849 | }) |
4850 | |
4851 | #define cmpxchg128_acquire(ptr, ...) \ |
4852 | ({ \ |
4853 | typeof(ptr) __ai_ptr = (ptr); \ |
4854 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4855 | raw_cmpxchg128_acquire(__ai_ptr, __VA_ARGS__); \ |
4856 | }) |
4857 | |
4858 | #define cmpxchg128_release(ptr, ...) \ |
4859 | ({ \ |
4860 | typeof(ptr) __ai_ptr = (ptr); \ |
4861 | kcsan_release(); \ |
4862 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4863 | raw_cmpxchg128_release(__ai_ptr, __VA_ARGS__); \ |
4864 | }) |
4865 | |
4866 | #define cmpxchg128_relaxed(ptr, ...) \ |
4867 | ({ \ |
4868 | typeof(ptr) __ai_ptr = (ptr); \ |
4869 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4870 | raw_cmpxchg128_relaxed(__ai_ptr, __VA_ARGS__); \ |
4871 | }) |
4872 | |
4873 | #define try_cmpxchg(ptr, oldp, ...) \ |
4874 | ({ \ |
4875 | typeof(ptr) __ai_ptr = (ptr); \ |
4876 | typeof(oldp) __ai_oldp = (oldp); \ |
4877 | kcsan_mb(); \ |
4878 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4879 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4880 | raw_try_cmpxchg(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4881 | }) |
4882 | |
4883 | #define try_cmpxchg_acquire(ptr, oldp, ...) \ |
4884 | ({ \ |
4885 | typeof(ptr) __ai_ptr = (ptr); \ |
4886 | typeof(oldp) __ai_oldp = (oldp); \ |
4887 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4888 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4889 | raw_try_cmpxchg_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4890 | }) |
4891 | |
4892 | #define try_cmpxchg_release(ptr, oldp, ...) \ |
4893 | ({ \ |
4894 | typeof(ptr) __ai_ptr = (ptr); \ |
4895 | typeof(oldp) __ai_oldp = (oldp); \ |
4896 | kcsan_release(); \ |
4897 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4898 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4899 | raw_try_cmpxchg_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4900 | }) |
4901 | |
4902 | #define try_cmpxchg_relaxed(ptr, oldp, ...) \ |
4903 | ({ \ |
4904 | typeof(ptr) __ai_ptr = (ptr); \ |
4905 | typeof(oldp) __ai_oldp = (oldp); \ |
4906 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4907 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4908 | raw_try_cmpxchg_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4909 | }) |
4910 | |
4911 | #define try_cmpxchg64(ptr, oldp, ...) \ |
4912 | ({ \ |
4913 | typeof(ptr) __ai_ptr = (ptr); \ |
4914 | typeof(oldp) __ai_oldp = (oldp); \ |
4915 | kcsan_mb(); \ |
4916 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4917 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4918 | raw_try_cmpxchg64(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4919 | }) |
4920 | |
4921 | #define try_cmpxchg64_acquire(ptr, oldp, ...) \ |
4922 | ({ \ |
4923 | typeof(ptr) __ai_ptr = (ptr); \ |
4924 | typeof(oldp) __ai_oldp = (oldp); \ |
4925 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4926 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4927 | raw_try_cmpxchg64_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4928 | }) |
4929 | |
4930 | #define try_cmpxchg64_release(ptr, oldp, ...) \ |
4931 | ({ \ |
4932 | typeof(ptr) __ai_ptr = (ptr); \ |
4933 | typeof(oldp) __ai_oldp = (oldp); \ |
4934 | kcsan_release(); \ |
4935 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4936 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4937 | raw_try_cmpxchg64_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4938 | }) |
4939 | |
4940 | #define try_cmpxchg64_relaxed(ptr, oldp, ...) \ |
4941 | ({ \ |
4942 | typeof(ptr) __ai_ptr = (ptr); \ |
4943 | typeof(oldp) __ai_oldp = (oldp); \ |
4944 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4945 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4946 | raw_try_cmpxchg64_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4947 | }) |
4948 | |
4949 | #define try_cmpxchg128(ptr, oldp, ...) \ |
4950 | ({ \ |
4951 | typeof(ptr) __ai_ptr = (ptr); \ |
4952 | typeof(oldp) __ai_oldp = (oldp); \ |
4953 | kcsan_mb(); \ |
4954 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4955 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4956 | raw_try_cmpxchg128(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4957 | }) |
4958 | |
4959 | #define try_cmpxchg128_acquire(ptr, oldp, ...) \ |
4960 | ({ \ |
4961 | typeof(ptr) __ai_ptr = (ptr); \ |
4962 | typeof(oldp) __ai_oldp = (oldp); \ |
4963 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4964 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4965 | raw_try_cmpxchg128_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4966 | }) |
4967 | |
4968 | #define try_cmpxchg128_release(ptr, oldp, ...) \ |
4969 | ({ \ |
4970 | typeof(ptr) __ai_ptr = (ptr); \ |
4971 | typeof(oldp) __ai_oldp = (oldp); \ |
4972 | kcsan_release(); \ |
4973 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4974 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4975 | raw_try_cmpxchg128_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4976 | }) |
4977 | |
4978 | #define try_cmpxchg128_relaxed(ptr, oldp, ...) \ |
4979 | ({ \ |
4980 | typeof(ptr) __ai_ptr = (ptr); \ |
4981 | typeof(oldp) __ai_oldp = (oldp); \ |
4982 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4983 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
4984 | raw_try_cmpxchg128_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
4985 | }) |
4986 | |
4987 | #define cmpxchg_local(ptr, ...) \ |
4988 | ({ \ |
4989 | typeof(ptr) __ai_ptr = (ptr); \ |
4990 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4991 | raw_cmpxchg_local(__ai_ptr, __VA_ARGS__); \ |
4992 | }) |
4993 | |
4994 | #define cmpxchg64_local(ptr, ...) \ |
4995 | ({ \ |
4996 | typeof(ptr) __ai_ptr = (ptr); \ |
4997 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
4998 | raw_cmpxchg64_local(__ai_ptr, __VA_ARGS__); \ |
4999 | }) |
5000 | |
5001 | #define cmpxchg128_local(ptr, ...) \ |
5002 | ({ \ |
5003 | typeof(ptr) __ai_ptr = (ptr); \ |
5004 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5005 | raw_cmpxchg128_local(__ai_ptr, __VA_ARGS__); \ |
5006 | }) |
5007 | |
5008 | #define sync_cmpxchg(ptr, ...) \ |
5009 | ({ \ |
5010 | typeof(ptr) __ai_ptr = (ptr); \ |
5011 | kcsan_mb(); \ |
5012 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5013 | raw_sync_cmpxchg(__ai_ptr, __VA_ARGS__); \ |
5014 | }) |
5015 | |
5016 | #define try_cmpxchg_local(ptr, oldp, ...) \ |
5017 | ({ \ |
5018 | typeof(ptr) __ai_ptr = (ptr); \ |
5019 | typeof(oldp) __ai_oldp = (oldp); \ |
5020 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5021 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
5022 | raw_try_cmpxchg_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
5023 | }) |
5024 | |
5025 | #define try_cmpxchg64_local(ptr, oldp, ...) \ |
5026 | ({ \ |
5027 | typeof(ptr) __ai_ptr = (ptr); \ |
5028 | typeof(oldp) __ai_oldp = (oldp); \ |
5029 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5030 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
5031 | raw_try_cmpxchg64_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
5032 | }) |
5033 | |
5034 | #define try_cmpxchg128_local(ptr, oldp, ...) \ |
5035 | ({ \ |
5036 | typeof(ptr) __ai_ptr = (ptr); \ |
5037 | typeof(oldp) __ai_oldp = (oldp); \ |
5038 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5039 | instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ |
5040 | raw_try_cmpxchg128_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ |
5041 | }) |
5042 | |
5043 | #define sync_try_cmpxchg(ptr, ...) \ |
5044 | ({ \ |
5045 | typeof(ptr) __ai_ptr = (ptr); \ |
5046 | kcsan_mb(); \ |
5047 | instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ |
5048 | raw_sync_try_cmpxchg(__ai_ptr, __VA_ARGS__); \ |
5049 | }) |
5050 | |
5051 | |
5052 | #endif /* _LINUX_ATOMIC_INSTRUMENTED_H */ |
5053 | // ce5b65e0f1f8a276268b667194581d24bed219d4 |
5054 | |