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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/scripts/selinux/
H A Dinstall_policy.sh39 mkdir -p /etc/selinux/dummy/policy
40 mkdir -p /etc/selinux/dummy/contexts/files
42 echo "__default__:user_u:s0" > /etc/selinux/dummy/seusers
43 echo "base_r:base_t:s0" > /etc/selinux/dummy/contexts/failsafe_context
44 echo "base_r:base_t:s0 base_r:base_t:s0" > /etc/selinux/dummy/default_contexts
45 cat > /etc/selinux/dummy/contexts/x_contexts <<EOF
52 touch /etc/selinux/dummy/contexts/virtual_domain_context
53 touch /etc/selinux/dummy/contexts/virtual_image_context
55 cp file_contexts /etc/selinux/dummy/contexts/files
56 cp dbus_contexts /etc/selinux/dummy/contexts
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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.sh167 check_region_size dummy
168 check_region_snapshot_count dummy initial 0
172 check_region_snapshot_count dummy post-first-snapshot 1
176 check_region_snapshot_count dummy post-second-snapshot 2
180 check_region_snapshot_count dummy post-third-snapshot 3
182 devlink region del $DL_HANDLE/dummy snapshot 1
185 check_region_snapshot_count dummy post-first-delete 2
187 devlink region new $DL_HANDLE/dummy snapshot 25
190 check_region_snapshot_count dummy post-first-request 3
192 devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null
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H A Dfib.sh111 ip -n testns1 link add name dummy1 type dummy
133 ip -n testns1 link add name dummy1 type dummy
169 ip -n testns1 link add name dummy1 type dummy
250 ip -n testns1 link add name dummy1 type dummy
273 ip -n testns1 link add name dummy$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/drivers/cpufreq/
H A Dspeedstep-smi.c64 u32 command, result, magic, dummy; in speedstep_smi_ownership() local
79 "=a" (dummy), "=b" (dummy), "=c" (dummy), "=d" (dummy), in speedstep_smi_ownership()
80 "=S" (dummy) in speedstep_smi_ownership()
102 u32 command, result = 0, edi, high_mhz, low_mhz, dummy; in speedstep_smi_get_freqs() local
123 "=d" (state), "=D" (edi), "=S" (dummy) in speedstep_smi_get_freqs()
150 unsigned int result = 0, command, new_state, dummy; in speedstep_set_state() local
190 "=c" (dummy), "=a" (dummy), in speedstep_set_state()
191 "=d" (dummy), "=S" (dummy) in speedstep_set_state()
/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/samples/livepatch/
H A Dlivepatch-shadow-mod.c90 struct dummy { struct
95 static __used noinline struct dummy *dummy_alloc(void) in dummy_alloc() argument
97 struct dummy *d; in dummy_alloc()
119 static __used noinline void dummy_free(struct dummy *d) in dummy_free()
127 static __used noinline bool dummy_check(struct dummy *d, in dummy_check()
144 struct dummy *d; in alloc_work_func()
168 struct dummy *d, *tmp; in cleanup_work_func()
198 struct dummy *d, *tmp; in livepatch_shadow_mod_exit()
/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/gpu/drm/msm/
H A Dmsm_gpu_trace.h156 TP_PROTO(int dummy),
157 TP_ARGS(dummy),
159 __field(u32, dummy)
162 __entry->dummy = dummy;
164 TP_printk("%u", __entry->dummy)
169 TP_PROTO(int dummy),
170 TP_ARGS(dummy),
172 __field(u32, dummy)
175 __entry->dummy = dummy;
177 TP_printk("%u", __entry->dummy)
/linux/drivers/i2c/busses/
H A Di2c-designware-slave.c106 unsigned int stat, dummy; in i2c_dw_read_clear_intrbits_slave() local
130 regmap_read(dev->map, DW_IC_CLR_TX_ABRT, &dummy); in i2c_dw_read_clear_intrbits_slave()
132 regmap_read(dev->map, DW_IC_CLR_RX_UNDER, &dummy); in i2c_dw_read_clear_intrbits_slave()
134 regmap_read(dev->map, DW_IC_CLR_RX_OVER, &dummy); in i2c_dw_read_clear_intrbits_slave()
136 regmap_read(dev->map, DW_IC_CLR_TX_OVER, &dummy); in i2c_dw_read_clear_intrbits_slave()
138 regmap_read(dev->map, DW_IC_CLR_RX_DONE, &dummy); in i2c_dw_read_clear_intrbits_slave()
140 regmap_read(dev->map, DW_IC_CLR_ACTIVITY, &dummy); in i2c_dw_read_clear_intrbits_slave()
142 regmap_read(dev->map, DW_IC_CLR_STOP_DET, &dummy); in i2c_dw_read_clear_intrbits_slave()
144 regmap_read(dev->map, DW_IC_CLR_START_DET, &dummy); in i2c_dw_read_clear_intrbits_slave()
146 regmap_read(dev->map, DW_IC_CLR_GEN_CALL, &dummy); in i2c_dw_read_clear_intrbits_slave()
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/net/can/usb/peak_usb/
H A Dpcan_usb_pro.h41 u8 dummy; member
55 u8 dummy; member
84 __le16 dummy; member
102 u8 dummy; member
108 u8 dummy; member
115 __le16 dummy; member
158 u8 dummy[3]; member
/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/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/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.c170 unsigned long dummy, vmrc; in query_segment_type() local
188 diag_cc = dcss_diag(&segext_scode, qin, &dummy, &vmrc); in query_segment_type()
300 unsigned long start_addr, end_addr, dummy; in __segment_load() local
357 &dummy, &dummy); in __segment_load()
365 &dummy, &dummy); in __segment_load()
461 unsigned long start_addr, end_addr, dummy; in segment_modify_shared() local
498 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in segment_modify_shared()
526 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in segment_modify_shared()
536 unsigned long dummy; in __dcss_diag_purge_on_cpu_0() local
538 dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); in __dcss_diag_purge_on_cpu_0()
/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.c152 if (op->dummy.nbytes && in spi_mem_check_buswidth()
153 spi_check_buswidth_req(mem, op->dummy.buswidth, true)) in spi_mem_check_buswidth()
169 op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr; in spi_mem_default_supports_op()
218 (op->dummy.nbytes && !op->dummy.buswidth) || in spi_mem_check_op()
224 !spi_mem_buswidth_is_valid(op->dummy.buswidth) || in spi_mem_check_op()
335 len += op->dummy.nbytes + op->data.nbytes; in spi_mem_add_op_stats()
386 op->dummy.nbytes, in spi_mem_exec_op()
390 op->dummy.buswidth, op->dummy.dtr ? 'D' : 'S', in spi_mem_exec_op()
423 tmpbufsize = op->cmd.nbytes + op->addr.nbytes + op->dummy.nbytes; in spi_mem_exec_op()
461 if (op->dummy.nbytes) { in spi_mem_exec_op()
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