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/linux/tools/testing/selftests/ptrace/
H A Dset_syscall_info.c132 const kernel_ulong_t dummy[] = { in TEST() local
144 ASSERT_EQ(sizeof(dummy), write(splice_in[1], dummy, sizeof(dummy))); in TEST()
156 dummy[0], dummy[1], dummy[2], in TEST()
157 dummy[3], dummy[4], dummy[5] in TEST()
162 dummy[0], dummy[1], dummy[2], in TEST()
163 dummy[3], dummy[4], dummy[5] in TEST()
178 dummy[1], dummy[2], in TEST()
179 dummy[3], dummy[4], dummy[5] in TEST()
185 dummy[1], dummy[2], in TEST()
186 dummy[3], dummy[4], dummy[5] in TEST()
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/linux/sound/drivers/
H A Ddummy.c540 struct snd_dummy *dummy = snd_pcm_substream_chip(substream); in dummy_pcm_open() local
541 const struct dummy_model *model = dummy->model; in dummy_pcm_open()
557 runtime->hw = dummy->pcm_hw; in dummy_pcm_open()
664 static int snd_card_dummy_pcm(struct snd_dummy *dummy, int device, in snd_card_dummy_pcm() argument
671 err = snd_pcm_new(dummy->card, "Dummy PCM", device, in snd_card_dummy_pcm()
675 dummy->pcm = pcm; in snd_card_dummy_pcm()
682 pcm->private_data = dummy; in snd_card_dummy_pcm()
720 struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol); in snd_dummy_volume_get() local
723 guard(spinlock_irq)(&dummy->mixer_lock); in snd_dummy_volume_get()
724 ucontrol->value.integer.value[0] = dummy->mixer_volume[addr][0]; in snd_dummy_volume_get()
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/linux/tools/testing/selftests/net/forwarding/
H A Dfib_offload_lib.sh63 ip -n $ns link add name dummy$i type dummy
64 ip -n $ns link set dev dummy$i up
85 ip -n $ns link del dev dummy$i
95 ip -n $ns link add name dummy1 type dummy
124 ip -n $ns link add name dummy1 type dummy
155 ip -n $ns link add name dummy$i type dummy
156 ip -n $ns link set dev dummy$i up
180 ip -n $ns link del dev dummy$i
191 ip -n $ns link add name dummy1 type dummy
223 ip -n $ns link add name dummy1 type dummy
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/linux/include/trace/events/
H A Dcontext_tracking.h12 TP_PROTO(int dummy),
14 TP_ARGS(dummy),
17 __field( int, dummy )
21 __entry->dummy = dummy;
36 TP_PROTO(int dummy),
38 TP_ARGS(dummy)
50 TP_PROTO(int dummy),
52 TP_ARGS(dummy)
/linux/tools/testing/selftests/drivers/net/netdevsim/
H A Ddevlink.sh40 echo "SKIP: unable to find suitable dummy firmware file"
271 check_region_size dummy
272 check_region_snapshot_count dummy initial 0
275 check_err $? "Failed to take first dummy region snapshot"
276 check_region_snapshot_count dummy post-first-snapshot 1
279 check_err $? "Failed to take second dummy region snapshot"
280 check_region_snapshot_count dummy post-second-snapshot 2
283 check_err $? "Failed to take third dummy region snapshot"
284 check_region_snapshot_count dummy post-third-snapshot 3
286 devlink region del $DL_HANDLE/dummy snapsho
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H A Dfib.sh111 ip -n testns1 link add name dummy1 type dummy
133 ip -n testns1 link add name dummy1 type dummy
169 ip -n testns1 link add name dummy1 type dummy
250 ip -n testns1 link add name dummy1 type dummy
273 ip -n testns1 link add name dummy$i type dummy
274 ip -n testns1 link set dev dummy$i up
275 ip -n testns1 address add 2001:db8:$i::1/64 dev dummy$i
290 ip -n testns1 link del dev dummy$i
300 ip -n testns1 link add name dummy1 type dummy
337 ip -n testns1 link add name dummy1 type dummy
/linux/kernel/kcsan/
H A Dselftest.c119 atomic_t dummy; in test_barrier() local
155 KCSAN_CHECK_READ_BARRIER(atomic_set_release(&dummy, 0)); in test_barrier()
156 KCSAN_CHECK_READ_BARRIER(atomic_add_return(1, &dummy)); in test_barrier()
157 KCSAN_CHECK_READ_BARRIER(atomic_add_return_release(1, &dummy)); in test_barrier()
158 KCSAN_CHECK_READ_BARRIER(atomic_fetch_add(1, &dummy)); in test_barrier()
159 KCSAN_CHECK_READ_BARRIER(atomic_fetch_add_release(1, &dummy)); in test_barrier()
184 KCSAN_CHECK_WRITE_BARRIER(atomic_set_release(&dummy, 0)); in test_barrier()
185 KCSAN_CHECK_WRITE_BARRIER(atomic_add_return(1, &dummy)); in test_barrier()
186 KCSAN_CHECK_WRITE_BARRIER(atomic_add_return_release(1, &dummy)); in test_barrier()
187 KCSAN_CHECK_WRITE_BARRIER(atomic_fetch_add(1, &dummy)); in test_barrier()
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H A Dkcsan_test.c536 atomic_t dummy = ATOMIC_INIT(0); in test_barrier_nothreads() local
591 KCSAN_EXPECT_READ_BARRIER(atomic_read(&dummy), false); in test_barrier_nothreads()
592 KCSAN_EXPECT_READ_BARRIER(atomic_read_acquire(&dummy), false); in test_barrier_nothreads()
593 KCSAN_EXPECT_READ_BARRIER(atomic_set(&dummy, 0), false); in test_barrier_nothreads()
594 KCSAN_EXPECT_READ_BARRIER(atomic_set_release(&dummy, 0), true); in test_barrier_nothreads()
595 KCSAN_EXPECT_READ_BARRIER(atomic_add(1, &dummy), false); in test_barrier_nothreads()
596 KCSAN_EXPECT_READ_BARRIER(atomic_add_return(1, &dummy), true); in test_barrier_nothreads()
597 KCSAN_EXPECT_READ_BARRIER(atomic_add_return_acquire(1, &dummy), false); in test_barrier_nothreads()
598 KCSAN_EXPECT_READ_BARRIER(atomic_add_return_release(1, &dummy), true); in test_barrier_nothreads()
599 KCSAN_EXPECT_READ_BARRIER(atomic_add_return_relaxed(1, &dummy), false); in test_barrier_nothreads()
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/linux/lib/crypto/arm/
H A Dsha1-armv7-neon.S140 _R_##f(a,b,c,d,e,i,dummy,dummy,dummy,i16,\
143 #define dummy(...) macro
389 WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 32,
392 WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 32,
402 WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 36,
405 WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 36,
417 WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 40,
420 WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 40,
430 WPRECALC_32_79_6, dummy, WPRECALC_32_79_7, 44,
433 WPRECALC_32_79_8, dummy, WPRECALC_32_79_9, 44,
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/linux/drivers/usb/host/
H A Dehci-mem.c61 if (qh->dummy) in qh_destroy()
62 ehci_qtd_free (ehci, qh->dummy); in qh_destroy()
85 qh->dummy = ehci_qtd_alloc (ehci, flags); in ehci_qh_alloc()
86 if (qh->dummy == NULL) { in ehci_qh_alloc()
112 if (ehci->dummy) in ehci_mem_cleanup()
113 qh_destroy(ehci, ehci->dummy); in ehci_mem_cleanup()
114 ehci->dummy = NULL; in ehci_mem_cleanup()
197 ehci->dummy = ehci_qh_alloc(ehci, flags); in ehci_mem_init()
198 if (!ehci->dummy) in ehci_mem_init()
201 hw = ehci->dummy->hw; in ehci_mem_init()
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/linux/tools/testing/selftests/net/
H A Dnetns-name.sh7 DEV=dummy-dev0
8 DEV2=dummy-dev1
43 ip -netns $test_ns link add name $DEV type dummy
44 ip -netns $NS link add name $DEV type dummy || fail
54 ip -netns $test_ns link add name $DEV type dummy
55 ip -netns $NS link add name $DEV type dummy || fail
64 ip -netns $test_ns link add name $DEV type dummy || fail
66 ip -netns $NS link add name $DEV2 type dummy || fail
78 ip -netns $NS link add name $DEV type dummy || fail
89 ip -netns $NS link add name $DEV index 100 type dummy || fail
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/linux/Documentation/trace/coresight/
H A Dcoresight-dummy.rst13 The Coresight dummy trace module is for the specific devices that kernel don't
15 platforms. For these devices, a dummy driver is needed to register them as
18 It provides Coresight API for operations on dummy devices, such as enabling and
19 disabling them. It also provides the Coresight dummy sink/source paths for
25 There are two types of nodes, dummy sink and dummy source. These nodes
30 $ ls -l /sys/bus/coresight/devices | grep dummy
/linux/drivers/misc/
H A Dcs5535-mfgpt.c48 uint32_t msr, mask, value, dummy; in cs5535_mfgpt_toggle_event() local
85 rdmsr(msr, value, dummy); in cs5535_mfgpt_toggle_event()
92 wrmsr(msr, value, dummy); in cs5535_mfgpt_toggle_event()
100 uint32_t zsel, lpc, dummy; in cs5535_mfgpt_set_irq() local
116 rdmsr(MSR_PIC_ZSEL_LOW, zsel, dummy); in cs5535_mfgpt_set_irq()
130 rdmsr(MSR_PIC_IRQM_LPC, lpc, dummy); in cs5535_mfgpt_set_irq()
139 wrmsr(MSR_PIC_ZSEL_LOW, zsel, dummy); in cs5535_mfgpt_set_irq()
252 uint32_t val, dummy; in reset_all_timers() local
255 val = 0xFF; dummy = 0; in reset_all_timers()
256 wrmsr(MSR_MFGPT_SETUP, val, dummy); in reset_all_timers()
/linux/lib/crypto/mpi/
H A Dmpih-div.c34 mpi_limb_t dummy __maybe_unused; in mpihelp_mod_1()
67 udiv_qrnnd(divisor_limb_inverted, dummy, in mpihelp_mod_1()
81 UDIV_QRNND_PREINV(dummy, r, r, in mpihelp_mod_1()
87 UDIV_QRNND_PREINV(dummy, r, r, in mpihelp_mod_1()
103 udiv_qrnnd(divisor_limb_inverted, dummy, in mpihelp_mod_1()
116 UDIV_QRNND_PREINV(dummy, r, r, in mpihelp_mod_1()
140 udiv_qrnnd(dummy, r, r, in mpihelp_mod_1()
146 udiv_qrnnd(dummy, r, r, in mpihelp_mod_1()
165 udiv_qrnnd(dummy, r, r, n0, divisor_limb); in mpihelp_mod_1()
385 mpi_limb_t dummy __maybe_unused; in mpihelp_divmod_1()
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/linux/arch/s390/mm/
H A Dextmem.c169 unsigned long dummy, vmrc; in query_segment_type() local
187 diag_cc = dcss_diag(&segext_scode, qin, &dummy, &vmrc); in query_segment_type()
299 unsigned long start_addr, end_addr, dummy; in __segment_load() local
356 &dummy, &dummy); in __segment_load()
364 &dummy, &dummy); in __segment_load()
460 unsigned long start_addr, end_addr, dummy; in segment_modify_shared() local
497 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in segment_modify_shared()
525 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in segment_modify_shared()
535 unsigned long dummy; in __dcss_diag_purge_on_cpu_0() local
537 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in __dcss_diag_purge_on_cpu_0()
/linux/arch/x86/kernel/
H A Dkvm.c93 bool dummy; member
125 struct kvm_task_sleep_node *dummy = NULL; in kvm_async_pf_queue_task() local
132 if (e->dummy) { in kvm_async_pf_queue_task()
134 dummy = e; in kvm_async_pf_queue_task()
138 kfree(dummy); in kvm_async_pf_queue_task()
144 n->dummy = false; in kvm_async_pf_queue_task()
211 struct kvm_task_sleep_node *n, *dummy = NULL; in kvm_async_pf_task_wake() local
227 if (!dummy) { in kvm_async_pf_task_wake()
229 dummy = kzalloc_obj(*dummy, GFP_ATOMIC); in kvm_async_pf_task_wake()
236 if (!dummy) in kvm_async_pf_task_wake()
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/linux/tools/testing/selftests/fpu/
H A Dtest_fpu.c20 char dummy[1]; in main() local
29 if (read(fd, dummy, 1) < 0) { in main()
35 if (read(fd, dummy, 1) < 0) { in main()
50 if (read(fd, dummy, 1) < 0) { in main()
/linux/drivers/i2c/busses/
H A Di2c-fsi.c218 u32 mode, dummy = 0; in fsi_i2c_set_port() local
233 return fsi_i2c_write_reg(fsi, I2C_FSI_RESET_ERR, &dummy); in fsi_i2c_set_port()
300 u32 dummy; in fsi_i2c_read_fifo() local
317 rc = fsi_device_read(i2c->fsi, I2C_FSI_FIFO, &dummy, in fsi_i2c_read_fifo()
342 u32 dummy = 0; in fsi_i2c_set_scl() local
347 fsi_i2c_write_reg(i2c->fsi, I2C_FSI_SET_SCL, &dummy); in fsi_i2c_set_scl()
349 fsi_i2c_write_reg(i2c->fsi, I2C_FSI_RESET_SCL, &dummy); in fsi_i2c_set_scl()
365 u32 dummy = 0; in fsi_i2c_set_sda() local
370 fsi_i2c_write_reg(i2c->fsi, I2C_FSI_SET_SDA, &dummy); in fsi_i2c_set_sda()
372 fsi_i2c_write_reg(i2c->fsi, I2C_FSI_RESET_SDA, &dummy); in fsi_i2c_set_sda()
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/linux/drivers/hwmon/
H A Dadm1177.c76 long dummy; in adm1177_read() local
86 dummy = (data[1] << 4) | (data[2] & 0xF); in adm1177_read()
91 *val = div_u64((105840000ull * dummy), in adm1177_read()
104 dummy = (data[0] << 4) | (data[2] >> 4); in adm1177_read()
110 dummy *= 26350; in adm1177_read()
112 dummy *= 6650; in adm1177_read()
114 *val = DIV_ROUND_CLOSEST(dummy, 4096); in adm1177_read()
/linux/drivers/spi/
H A Dspi-mem.c155 if (op->dummy.nbytes && in spi_mem_check_buswidth()
156 spi_check_buswidth_req(mem, op->dummy.buswidth, true)) in spi_mem_check_buswidth()
172 op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr; in spi_mem_default_supports_op()
187 (op->dummy.nbytes % 2) || in spi_mem_default_supports_op()
232 (op->dummy.nbytes && !op->dummy.buswidth) || in spi_mem_check_op()
238 !spi_mem_buswidth_is_valid(op->dummy.buswidth) || in spi_mem_check_op()
349 len += op->dummy.nbytes + op->data.nbytes; in spi_mem_add_op_stats()
400 op->dummy.nbytes, in spi_mem_exec_op()
404 op->dummy.buswidth, op->dummy.dtr ? 'D' : 'S', in spi_mem_exec_op()
439 tmpbufsize = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes; in spi_mem_exec_op()
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/linux/arch/sh/kernel/vsyscall/
H A DMakefile8 targets += vsyscall-note.o vsyscall.lds vsyscall-dummy.o
28 SYSCFLAGS_vsyscall-dummy.o = -r
29 $(obj)/vsyscall-dummy.o: $(obj)/vsyscall.lds \
34 $(obj)/vsyscall-syms.o: $(obj)/vsyscall-dummy.o FORCE
/linux/include/xen/interface/io/
H A Dpvcalls.h82 uint8_t dummy[56]; member
83 } dummy; member
115 uint8_t dummy[8]; member
116 } dummy; member
/linux/samples/livepatch/
H A Dlivepatch-shadow-fix1.c42 struct dummy { struct
65 static struct dummy *livepatch_fix1_dummy_alloc(void) in livepatch_fix1_dummy_alloc() argument
67 struct dummy *d; in livepatch_fix1_dummy_alloc()
116 static void livepatch_fix1_dummy_free(struct dummy *d) in livepatch_fix1_dummy_free()
/linux/drivers/usb/gadget/udc/
H A Ddummy_hcd.c244 struct dummy *dum;
264 struct dummy { struct
304 static inline struct device *udc_dev(struct dummy *dum) in udc_dev()
309 static inline struct dummy *ep_to_dummy(struct dummy_ep *ep) in ep_to_dummy()
311 return container_of(ep->gadget, struct dummy, gadget); in ep_to_dummy()
316 struct dummy *dum = container_of(gadget, struct dummy, gadget); in gadget_to_dummy_hcd()
323 static inline struct dummy *gadget_dev_to_dummy(struct device *dev) in gadget_dev_to_dummy()
325 return container_of(dev, struct dummy, gadget.dev); in gadget_dev_to_dummy()
333 static void nuke(struct dummy *dum, struct dummy_ep *ep) in nuke()
349 static void stop_activity(struct dummy *dum) in stop_activity()
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/linux/arch/um/kernel/
H A Dirq.c661 static void dummy(struct irq_data *d) in dummy() function
668 .irq_disable = dummy,
669 .irq_enable = dummy,
670 .irq_ack = dummy,
671 .irq_mask = dummy,
672 .irq_unmask = dummy,
678 .irq_disable = dummy,
679 .irq_enable = dummy,
680 .irq_ack = dummy,
681 .irq_mask = dummy,
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