| /linux-6.6.21/include/linux/ |
| D | spinlock_up.h | 32 barrier(); in arch_spin_lock()
40 barrier(); in arch_spin_trylock()
47 barrier(); in arch_spin_unlock()
54 #define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0)
55 #define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0)
56 #define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; })
57 #define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; })
58 #define arch_read_unlock(lock) do { barrier(); (void)(lock); } while (0)
59 #define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0)
64 # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0)
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| D | preempt.h | 216 barrier(); \
221 barrier(); \
232 barrier(); \
239 barrier(); \
253 barrier(); \
259 barrier(); \
269 barrier(); \
274 barrier(); \
286 #define preempt_disable() barrier()
287 #define sched_preempt_enable_no_resched() barrier()
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| /linux-6.6.21/arch/arm64/include/asm/ |
| D | irqflags.h | 32 barrier(); in __daif_local_irq_enable()
34 barrier(); in __daif_local_irq_enable()
44 barrier(); in __pmr_local_irq_enable()
47 barrier(); in __pmr_local_irq_enable()
61 barrier(); in __daif_local_irq_disable()
63 barrier(); in __daif_local_irq_disable()
73 barrier(); in __pmr_local_irq_disable()
75 barrier(); in __pmr_local_irq_disable()
181 barrier(); in __daif_local_irq_restore()
183 barrier(); in __daif_local_irq_restore()
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| D | hardirq.h | 51 barrier(); \
57 barrier(); \
75 barrier(); \
83 barrier(); \
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| /linux-6.6.21/tools/virtio/ringtest/ |
| D | main.h | 92 #define barrier() asm volatile("" ::: "memory") macro
98 #define cpu_relax() barrier()
113 barrier(); in busy_wait()
133 barrier(); \
139 barrier(); \
143 #define smp_wmb() barrier()
163 barrier(); in __read_once_size()
165 barrier(); in __read_once_size()
177 barrier(); in __write_once_size()
179 barrier(); in __write_once_size()
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| /linux-6.6.21/arch/s390/include/asm/ |
| D | barrier.h | 30 #define __rmb() barrier()
31 #define __wmb() barrier()
41 barrier(); \
49 barrier(); \
53 #define __smp_mb__before_atomic() barrier()
54 #define __smp_mb__after_atomic() barrier()
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| /linux-6.6.21/tools/perf/tests/ |
| D | sigtrap.c | 124 pthread_barrier_t *barrier = (pthread_barrier_t *)arg; in test_thread() local
128 pthread_barrier_wait(barrier); in test_thread()
137 static int run_test_threads(pthread_t *threads, pthread_barrier_t *barrier) in run_test_threads() argument
141 pthread_barrier_wait(barrier); in run_test_threads()
148 static int run_stress_test(int fd, pthread_t *threads, pthread_barrier_t *barrier) in run_stress_test() argument
156 ret = run_test_threads(threads, barrier); in run_stress_test()
178 pthread_barrier_t barrier; in test__sigtrap() local
187 pthread_barrier_init(&barrier, NULL, NUM_THREADS + 1); in test__sigtrap()
210 if (pthread_create(&threads[i], NULL, test_thread, &barrier)) { in test__sigtrap()
216 ret = run_stress_test(fd, threads, &barrier); in test__sigtrap()
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| /linux-6.6.21/include/asm-generic/ |
| D | barrier.h | 61 #define mb() barrier()
113 #define smp_mb() barrier()
117 #define smp_rmb() barrier()
121 #define smp_wmb() barrier()
182 #define smp_store_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0)
186 #define smp_mb__before_atomic() barrier()
190 #define smp_mb__after_atomic() barrier()
197 barrier(); \
207 barrier(); \
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| /linux-6.6.21/arch/powerpc/kernel/ |
| D | smp-tbsync.c | 53 barrier(); in smp_generic_take_timebase()
59 barrier(); in smp_generic_take_timebase()
70 barrier(); in smp_generic_take_timebase()
96 barrier(); in start_contest()
99 barrier(); in start_contest()
104 barrier(); in start_contest()
125 barrier(); in smp_generic_give_timebase()
166 barrier(); in smp_generic_give_timebase()
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| /linux-6.6.21/arch/alpha/include/asm/ |
| D | irqflags.h | 35 barrier(); in arch_local_irq_disable()
41 barrier(); in arch_local_irq_save()
47 barrier(); in arch_local_irq_enable()
53 barrier(); in arch_local_irq_restore()
55 barrier(); in arch_local_irq_restore()
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| /linux-6.6.21/tools/virtio/asm/ |
| D | barrier.h | 4 #define barrier() asm volatile("" ::: "memory") macro
6 #define virt_rmb() barrier()
7 #define virt_wmb() barrier()
13 barrier(); \
30 #error Please fill in barrier macros
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| /linux-6.6.21/arch/x86/include/asm/ |
| D | barrier.h | 54 #define __dma_rmb() barrier()
55 #define __dma_wmb() barrier()
60 #define __smp_wmb() barrier()
66 barrier(); \
74 barrier(); \
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| /linux-6.6.21/tools/build/feature/ |
| D | test-pthread-barrier.c | 7 pthread_barrier_t barrier; in main() local
9 pthread_barrier_init(&barrier, NULL, 1); in main()
10 pthread_barrier_wait(&barrier); in main()
11 return pthread_barrier_destroy(&barrier); in main()
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| /linux-6.6.21/tools/arch/x86/include/asm/ |
| D | barrier.h | 27 #define smp_rmb() barrier()
28 #define smp_wmb() barrier()
35 barrier(); \
42 barrier(); \
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| /linux-6.6.21/tools/testing/selftests/powerpc/dscr/ |
| D | dscr_explicit_test.c | 92 pthread_barrier_t *barrier; member
103 err = pthread_barrier_wait(args->barrier); in dscr_explicit_random_thread()
136 pthread_barrier_t barrier; in dscr_explicit_random_test() local
140 FAIL_IF(pthread_barrier_init(&barrier, NULL, THREADS)); in dscr_explicit_random_test()
144 threads[i].barrier = &barrier; in dscr_explicit_random_test()
153 FAIL_IF(pthread_barrier_destroy(&barrier)); in dscr_explicit_random_test()
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| D | dscr_default_test.c | 76 pthread_barrier_t *barrier; member
88 err = pthread_barrier_wait(args->barrier); in dscr_default_random_thread()
125 pthread_barrier_t barrier; in dscr_default_random_test() local
132 FAIL_IF(pthread_barrier_init(&barrier, NULL, THREADS)); in dscr_default_random_test()
139 threads[i].barrier = &barrier; in dscr_default_random_test()
148 FAIL_IF(pthread_barrier_destroy(&barrier)); in dscr_default_random_test()
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| /linux-6.6.21/arch/ia64/include/asm/ |
| D | barrier.h | 48 #define __smp_mb__before_atomic() barrier()
49 #define __smp_mb__after_atomic() barrier()
59 barrier(); \
67 barrier(); \
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| /linux-6.6.21/arch/parisc/include/asm/ |
| D | barrier.h | 22 #define mb() barrier()
23 #define rmb() barrier()
24 #define wmb() barrier()
25 #define dma_rmb() barrier()
26 #define dma_wmb() barrier()
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| /linux-6.6.21/arch/sparc/include/asm/ |
| D | barrier_64.h | 44 barrier(); \
52 barrier(); \
56 #define __smp_mb__before_atomic() barrier()
57 #define __smp_mb__after_atomic() barrier()
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| /linux-6.6.21/arch/arm/include/asm/ |
| D | barrier.h | 70 #define mb() barrier()
71 #define rmb() barrier()
72 #define wmb() barrier()
73 #define dma_rmb() barrier()
74 #define dma_wmb() barrier()
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| /linux-6.6.21/arch/arm/mach-rpc/ |
| D | time.c | 37 barrier (); in ioc_timer_read()
39 barrier (); in ioc_timer_read()
41 barrier (); in ioc_timer_read()
43 barrier (); in ioc_timer_read()
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| /linux-6.6.21/tools/testing/selftests/perf_events/ |
| D | sigtrap_threads.c | 89 pthread_barrier_t *barrier = (pthread_barrier_t *)arg; in test_thread() local
94 pthread_barrier_wait(barrier); in test_thread()
114 pthread_barrier_t barrier; in FIXTURE() local
137 pthread_barrier_init(&self->barrier, NULL, NUM_THREADS + 1); in FIXTURE_SETUP()
139 ASSERT_EQ(pthread_create(&self->threads[i], NULL, test_thread, &self->barrier), 0); in FIXTURE_SETUP()
144 pthread_barrier_destroy(&self->barrier); in FIXTURE_TEARDOWN()
154 pthread_barrier_wait(&self->barrier); in run_test_threads()
225 pthread_barrier_wait(&self->barrier); in TEST_F()
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| /linux-6.6.21/tools/testing/selftests/bpf/progs/ |
| D | loop5.c | 20 barrier(); in while_true()
23 barrier(); in while_true()
26 barrier(); in while_true()
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| /linux-6.6.21/Documentation/ |
| D | memory-barriers.txt | 29 particular barrier, and
34 for any particular barrier, but if the architecture provides less than
37 Note also that it is possible that a barrier may be a no-op for an
38 architecture because the way that arch works renders an explicit barrier
53 - Varieties of memory barrier.
57 - SMP barrier pairing.
58 - Examples of memory barrier sequences.
64 - Compiler barrier.
74 (*) Inter-CPU acquiring barrier effects.
85 (*) Kernel I/O barrier effects.
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| /linux-6.6.21/arch/xtensa/include/asm/ |
| D | barrier.h | 15 #define __rmb() barrier()
25 #define __smp_mb__before_atomic() barrier()
26 #define __smp_mb__after_atomic() barrier()
|