| /linux/arch/arm64/include/asm/ |
| H A D | irqflags.h | 25 barrier(); in __daif_local_irq_enable()
27 barrier(); in __daif_local_irq_enable()
37 barrier(); in __pmr_local_irq_enable()
40 barrier(); in __pmr_local_irq_enable()
54 barrier(); in __daif_local_irq_disable()
56 barrier(); in __daif_local_irq_disable()
66 barrier(); in __pmr_local_irq_disable()
68 barrier(); in __pmr_local_irq_disable()
174 barrier(); in __daif_local_irq_restore()
176 barrier(); in __daif_local_irq_restore()
[all …]
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| H A D | hardirq.h | 51 barrier(); \
57 barrier(); \
75 barrier(); \
83 barrier(); \
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| /linux/Documentation/scheduler/ |
| H A D | membarrier.rst | 14 require each architecture to have a full memory barrier after coming from
15 user-space, before updating rq->curr. This barrier is implied by the sequence
16 rq_lock(); smp_mb__after_spinlock() in __schedule(). The barrier matches a full
17 barrier in the proximity of the membarrier system call exit, cf.
24 require each architecture to have a full memory barrier after updating rq->curr,
25 before returning to user-space. The schemes providing this barrier on the various
28 - alpha, arc, arm, hexagon, mips rely on the full barrier implied by
31 - arm64 relies on the full barrier implied by switch_to().
33 - powerpc, riscv, s390, sparc, x86 rely on the full barrier implied by
34 switch_mm(), if mm is not NULL; they rely on the full barrier implied
[all …]
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| /linux/include/linux/ |
| H A D | preempt.h | 242 barrier(); \
247 barrier(); \
258 barrier(); \
265 barrier(); \
279 barrier(); \
285 barrier(); \
295 barrier(); \
300 barrier(); \
312 #define preempt_disable() barrier()
313 #define sched_preempt_enable_no_resched() barrier()
[all …]
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| /linux/tools/virtio/ringtest/ |
| H A 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/tools/testing/selftests/futex/functional/ |
| H A D | robust_list.c | 52 static pthread_barrier_t barrier, barrier2; in get_robust_list()
218 pthread_barrier_wait(&barrier); in TEST()
247 * Lets use a barrier to ensure that the child thread takes the lock
250 ret = pthread_barrier_init(&barrier, NULL, 2); in TEST()
256 pthread_barrier_wait(&barrier); in TEST()
268 pthread_barrier_destroy(&barrier); in TEST()
342 pthread_barrier_wait(&barrier); in TEST()
362 ret = pthread_barrier_init(&barrier, NULL, 2); in child_fn_lock_with_error()
369 pthread_barrier_wait(&barrier); in child_fn_lock_with_error()
378 pthread_barrier_destroy(&barrier); in child_fn_lock_with_error()
45 static pthread_barrier_t barrier, barrier2; global() variable
[all...] |
| H A D | futex_wait_timeout.c | 26 static pthread_barrier_t barrier; variable
42 pthread_barrier_wait(&barrier); in get_pi_lock()
124 pthread_barrier_init(&barrier, NULL, 2); in TEST()
129 pthread_barrier_wait(&barrier); in TEST()
130 pthread_barrier_destroy(&barrier); in TEST()
|
| /linux/arch/powerpc/kernel/ |
| H A 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/tools/virtio/asm/ |
| H A 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
|
| /linux/tools/build/feature/ |
| H A 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()
|
| /linux/tools/testing/selftests/powerpc/dscr/ |
| H A 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()
|
| H A 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()
|
| /linux/rust/kernel/sync/ |
| H A D | barrier.rs | 12 /// Memory barrier orderings.
26 /// The annotation type for read-read barrier ordering. in smp_mb()
29 /// The annotation type for write-write barrier ordering. in smp_mb()
42 /// A compiler barrier. in smp_wmb()
44 /// A barrier that prevents compiler from reordering memory accesses across the barrier. in smp_wmb()
46 pub(crate) fn barrier() { in smp_wmb()
48 // it suffices as a compiler barrier.
63 // SAFETY: barrier methods are safe to call.
80 /// Memory barrier
14 pub(crate) fn barrier() { barrier() function
[all...] |
| /linux/tools/arch/x86/include/asm/ |
| H A D | barrier.h | 27 #define smp_rmb() barrier()
28 #define smp_wmb() barrier()
35 barrier(); \
42 barrier(); \
|
| /linux/arch/parisc/include/asm/ |
| H A 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()
|
| /linux/arch/sparc/include/asm/ |
| H A D | barrier_64.h | 44 barrier(); \
52 barrier(); \
56 #define __smp_mb__before_atomic() barrier()
57 #define __smp_mb__after_atomic() barrier()
|
| /linux/tools/testing/selftests/vfio/ |
| H A D | vfio_pci_device_init_perf_test.c | 22 pthread_barrier_t *barrier; member
27 pthread_barrier_t barrier; in FIXTURE() local
51 pthread_barrier_init(&self->barrier, NULL, nr_devices); in FIXTURE_SETUP()
55 self->thread_args[i].barrier = &self->barrier; in FIXTURE_SETUP()
102 pthread_barrier_wait(args->barrier); in thread_main()
108 pthread_barrier_wait(args->barrier); in thread_main()
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| /linux/arch/arm/include/asm/ |
| H A 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()
|
| /linux/Documentation/ |
| H A 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.
[all …]
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| /linux/tools/testing/selftests/perf_events/ |
| H A 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/arch/arm/mach-rpc/ |
| H A 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/tools/testing/selftests/bpf/progs/ |
| H A D | loop5.c | 20 barrier(); in while_true()
23 barrier(); in while_true()
26 barrier(); in while_true()
|
| /linux/arch/xtensa/include/asm/ |
| H A D | barrier.h | 15 #define __rmb() barrier()
25 #define __smp_mb__before_atomic() barrier()
26 #define __smp_mb__after_atomic() barrier()
|
| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | arena_spin_lock.c | 14 pthread_barrier_t barrier; variable
30 err = pthread_barrier_wait(&barrier); in spin_lock_thread()
72 ASSERT_OK(pthread_barrier_init(&barrier, NULL, nthreads), "barrier init"); in test_arena_spin_lock_size()
98 pthread_barrier_destroy(&barrier); in test_arena_spin_lock_size()
|
| /linux/tools/testing/selftests/bpf/ |
| H A D | bpf_atomic.h | |