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/linux/drivers/cpufreq/
A Dintel_pstate.c431 cpu = all_cpu_data[policy->cpu]; in intel_pstate_init_acpi_perf_limits()
491 cpu = all_cpu_data[policy->cpu]; in intel_pstate_exit_perf_limits()
560 cpu->cpu, scaling); in intel_pstate_hybrid_hwp_adjust()
1947 trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu); in intel_pstate_set_pstate()
1984 cpu->pstate.scaling = pstate_funcs.get_cpu_scaling(cpu->cpu); in intel_pstate_get_cpu_pstates()
2152 cpu->sample.tsc -= cpu->prev_tsc; in intel_pstate_sample()
2244 trace_cpu_frequency(target_pstate * cpu->pstate.scaling, cpu->cpu); in intel_pstate_adjust_pstate()
2400 cpu->cpu = cpunum; in intel_pstate_init_cpu()
2547 cpu = all_cpu_data[policy->cpu]; in intel_pstate_set_policy()
2688 cpu = all_cpu_data[policy->cpu]; in __intel_pstate_cpu_init()
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/linux/arch/powerpc/kernel/
A Dsmp.c508 BUG_ON(cpu < 0 && cpu != NMI_IPI_ALL_OTHERS); in __smp_send_nmi_ipi()
524 if (cpu < 0) { in __smp_send_nmi_ipi()
601 int cpu; in crash_send_ipi() local
1029 int cpu; in init_big_cores() local
1090 set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]); in smp_prepare_cpus()
1226 task_thread_info(idle)->cpu = cpu; in cpu_idle_thread_init()
1378 cpumask_set_cpu(cpu, cpu_l2_cache_mask(cpu)); in update_mask_by_l2()
1469 cpumask_set_cpu(cpu, cpu_smallcore_mask(cpu)); in add_cpu_to_smallcore_masks()
1526 map_cpu_to_node(cpu, cpu_to_node(cpu)); in add_cpu_to_masks()
1527 cpumask_set_cpu(cpu, cpu_sibling_mask(cpu)); in add_cpu_to_masks()
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A Dwatchdog.c122 cpu, tb, per_cpu(wd_timer_tb, cpu), in wd_lockup_ipi()
176 if (c == cpu) in watchdog_smp_panic()
215 cpu, tb); in wd_smp_clear_cpu_pending()
251 watchdog_smp_panic(cpu, tb); in watchdog_timer_interrupt()
275 set_cpu_stuck(cpu, tb); in DEFINE_INTERRUPT_HANDLER_NMI()
278 cpu, (void *)regs->nip); in DEFINE_INTERRUPT_HANDLER_NMI()
280 cpu, tb, per_cpu(wd_timer_tb, cpu), in DEFINE_INTERRUPT_HANDLER_NMI()
404 int cpu; in watchdog_nmi_stop() local
407 stop_watchdog_on_cpu(cpu); in watchdog_nmi_stop()
412 int cpu; in watchdog_nmi_start() local
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A Dtau_6xx.c82 tau[cpu].grew = 1; in TAUupdate()
93 tau[cpu].grew = 1; in TAUupdate()
110 TAUupdate(cpu); in DEFINE_INTERRUPT_HANDLER_ASYNC()
116 int cpu; in tau_timeout() local
123 TAUupdate(cpu); in tau_timeout()
128 size = tau[cpu].high - tau[cpu].low; in tau_timeout()
138 if ((tau[cpu].high - tau[cpu].low) != min_window){ in tau_timeout()
145 tau[cpu].grew = 0; in tau_timeout()
184 tau[cpu].low = 5; in TAU_init_smp()
227 return ((tau[cpu].high << 16) | tau[cpu].low); in cpu_temp_both()
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/linux/tools/testing/selftests/cpu-hotplug/
A Dcpu-on-off-test.sh26 if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then
62 for cpu in $SYSFS/devices/system/cpu/cpu*; do
63 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
81 grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online
86 grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online
91 echo 1 > $SYSFS/devices/system/cpu/cpu$1/online
96 echo 0 > $SYSFS/devices/system/cpu/cpu$1/online
101 local cpu=$1
114 local cpu=$1
127 local cpu=$1
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/linux/arch/arm/boot/dts/
A Daxm5516-cpus.dtsi13 cpu-map {
16 cpu = <&CPU0>;
19 cpu = <&CPU1>;
22 cpu = <&CPU2>;
25 cpu = <&CPU3>;
30 cpu = <&CPU4>;
33 cpu = <&CPU5>;
72 CPU0: cpu@0 {
80 CPU1: cpu@1 {
88 CPU2: cpu@2 {
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/linux/arch/arc/kernel/
A Dsetup.c136 cpu->name = cpu->release = "Unknown"; in decode_arc_core()
280 cpu_id, cpu->name, cpu->release, in arc_cpu_mumbojumbo()
317 cpu->bpu.num_cache, cpu->bpu.num_pred, cpu->bpu.ret_stk); in arc_cpu_mumbojumbo()
347 if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) in arc_extn_mumbojumbo()
352 if (cpu->extn.ap_num | cpu->extn.smart | cpu->extn.rtt) { in arc_extn_mumbojumbo()
364 if (cpu->dccm.sz || cpu->iccm.sz) in arc_extn_mumbojumbo()
366 cpu->dccm.base_addr, TO_KB(cpu->dccm.sz), in arc_extn_mumbojumbo()
367 cpu->iccm.base_addr, TO_KB(cpu->iccm.sz)); in arc_extn_mumbojumbo()
444 present = cpu->extn_mpy.dsp | cpu->extn.fpu_sp | cpu->extn.fpu_dp; in arc_chk_core_config()
693 int cpu; in topology_init() local
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/linux/drivers/base/
A Darch_topology.c58 int cpu; in topology_set_scale_freq_source() local
89 int cpu; in topology_clear_scale_freq_source() local
161 int cpu; in topology_set_thermal_pressure() local
172 struct cpu *cpu = container_of(dev, struct cpu, dev); in cpu_capacity_show() local
235 int cpu; in topology_normalize_cpu_scale() local
253 cpu, topology_get_cpu_scale(cpu)); in topology_normalize_cpu_scale()
319 int cpu; in init_cpu_capacity_callback() local
403 int cpu; in get_cpu_for_node() local
426 int cpu; in parse_core() local
539 int cpu; in parse_dt_topology() local
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A Dcacheinfo.c25 #define ci_cacheinfo(cpu) (&per_cpu(ci_cpu_cacheinfo, cpu)) argument
26 #define cache_leaves(cpu) (ci_cacheinfo(cpu)->num_leaves) argument
27 #define per_cpu_cacheinfo(cpu) (ci_cacheinfo(cpu)->info_list) argument
31 return ci_cacheinfo(cpu); in get_cpu_cacheinfo()
300 cache_leaves(cpu) = 0; in free_cache_attributes()
317 if (init_cache_level(cpu) || !cache_leaves(cpu)) in detect_cache_attributes()
320 per_cpu_cacheinfo(cpu) = kcalloc(cache_leaves(cpu), in detect_cache_attributes()
352 #define per_cpu_cache_dev(cpu) (per_cpu(ci_cache_dev, cpu)) argument
358 #define per_cpu_index_dev(cpu) (per_cpu(ci_index_dev, cpu)) argument
359 #define per_cache_index_dev(cpu, idx) ((per_cpu_index_dev(cpu))[idx]) argument
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/linux/tools/power/x86/intel-speed-select/
A Disst-core.c271 cpu, config_index, i, resp); in isst_get_coremask_info()
321 cpu, req, resp); in isst_get_get_trl()
439 max_punit_core = get_max_punit_core_id(get_physical_package_id(cpu), get_physical_die_id(cpu)); in isst_get_pbf_info()
454 cpu, resp); in isst_get_pbf_info()
551 cpu, pbf, req); in isst_set_pbf_fact_status()
566 cpu, CONFIG_TDP, in isst_get_fact_bucket_info()
574 cpu, i, level, resp); in isst_get_fact_bucket_info()
587 cpu, CONFIG_TDP, in isst_get_fact_bucket_info()
595 cpu, i, level, k, resp); in isst_get_fact_bucket_info()
655 cpu, resp); in isst_get_fact_info()
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/linux/kernel/
A Dsmpboot.c55 tsk = fork_idle(cpu); in idle_init()
73 if (cpu != boot_cpu) in idle_threads_init()
74 idle_init(cpu); in idle_threads_init()
85 unsigned int cpu; member
119 ht->cleanup(td->cpu, cpu_online(td->cpu)); in smpboot_thread_fn()
129 ht->park(td->cpu); in smpboot_thread_fn()
145 ht->setup(td->cpu); in smpboot_thread_fn()
181 td->cpu = cpu; in __smpboot_create_thread()
208 ht->create(cpu); in __smpboot_create_thread()
268 unsigned int cpu; in smpboot_destroy_threads() local
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/linux/include/linux/
A Dcpumask.h116 return cpu; in cpumask_check()
179 for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
181 for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
183 for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)(start))
185 for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask1, (void)mask2)
242 (cpu) = cpumask_next((cpu), (mask)), \
254 (cpu) = cpumask_next_zero((cpu), (mask)), \
272 (cpu) = cpumask_next_wrap((cpu), (mask), (start), true))
290 (cpu) = cpumask_next_and((cpu), (mask1), (mask2)), \
610 #define cpumask_of(cpu) (get_cpu_mask(cpu)) argument
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A Dtopology.h96 return per_cpu(numa_node, cpu); in cpu_to_node()
110 per_cpu(numa_node, cpu) = node; in set_cpu_numa_node()
177 return cpu_to_node(cpu); in cpu_to_mem()
184 #define topology_physical_package_id(cpu) ((void)(cpu), -1) argument
187 #define topology_die_id(cpu) ((void)(cpu), -1) argument
190 #define topology_cluster_id(cpu) ((void)(cpu), -1) argument
193 #define topology_core_id(cpu) ((void)(cpu), 0) argument
196 #define topology_sibling_cpumask(cpu) cpumask_of(cpu) argument
199 #define topology_core_cpumask(cpu) cpumask_of(cpu) argument
202 #define topology_cluster_cpumask(cpu) cpumask_of(cpu) argument
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/linux/arch/arm/mach-meson/
A Dplatsmp.c50 val |= BIT(cpu); in meson_smp_set_cpu_ctrl()
52 val &= ~BIT(cpu); in meson_smp_set_cpu_ctrl()
129 scu_cpu_power_enable(scu_base, cpu); in meson_smp_begin_secondary_boot()
140 cpu); in meson_smp_finalize_secondary_boot()
148 meson_smp_set_cpu_ctrl(cpu, true); in meson_smp_finalize_secondary_boot()
159 rstc = meson_smp_get_core_reset(cpu); in meson8_smp_boot_secondary()
165 meson_smp_begin_secondary_boot(cpu); in meson8_smp_boot_secondary()
222 meson_smp_begin_secondary_boot(cpu); in meson8b_smp_boot_secondary()
295 meson_smp_set_cpu_ctrl(cpu, false); in meson8_smp_cpu_die()
325 cpu); in meson8_smp_cpu_kill()
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/linux/arch/x86/xen/
A Dsmp_pv.c62 int cpu; in cpu_bringup() local
73 cpu = smp_processor_id(); in cpu_bringup()
74 smp_store_cpu_info(cpu); in cpu_bringup()
76 set_cpu_sibling_map(cpu); in cpu_bringup()
122 cpu, in xen_smp_intr_init_pv()
132 if (is_xen_pmu(cpu)) { in xen_smp_intr_init_pv()
227 unsigned cpu; in xen_pv_smp_prepare_cpus() local
258 for (cpu = nr_cpu_ids - 1; !cpu_possible(cpu); cpu--) in xen_pv_smp_prepare_cpus()
358 xen_pmu_init(cpu); in xen_pv_cpu_up()
373 if (cpu == 0) in xen_pv_cpu_disable()
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A Dsmp.c69 cpu, in xen_smp_intr_init()
81 cpu, in xen_smp_intr_init()
105 cpu, in xen_smp_intr_init()
118 xen_smp_intr_free(cpu); in xen_smp_intr_init()
138 unsigned cpu; in __xen_send_IPI_mask() local
141 xen_send_IPI_one(cpu, vector); in __xen_send_IPI_mask()
146 int cpu; in xen_smp_send_call_function_ipi() local
151 for_each_cpu(cpu, mask) { in xen_smp_send_call_function_ipi()
152 if (xen_vcpu_stolen(cpu)) { in xen_smp_send_call_function_ipi()
225 unsigned cpu; in xen_send_IPI_mask_allbutself() local
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/linux/arch/microblaze/kernel/cpu/
A Dcpuinfo-static.c51 ci->use_fpu = fcpu(cpu, "xlnx,use-fpu"); in set_cpuinfo_static()
63 (fcpu(cpu, "xlnx,iopb-bus-exception") ? in set_cpuinfo_static()
65 (fcpu(cpu, "xlnx,dopb-bus-exception") ? in set_cpuinfo_static()
67 (fcpu(cpu, "xlnx,div-zero-exception") ? in set_cpuinfo_static()
77 if (fcpu(cpu, "xlnx,icache-use-fsl")) in set_cpuinfo_static()
91 if (fcpu(cpu, "xlnx,dcache-use-fsl")) in set_cpuinfo_static()
101 ci->use_dopb = fcpu(cpu, "xlnx,d-opb"); in set_cpuinfo_static()
102 ci->use_iopb = fcpu(cpu, "xlnx,i-opb"); in set_cpuinfo_static()
103 ci->use_dlmb = fcpu(cpu, "xlnx,d-lmb"); in set_cpuinfo_static()
104 ci->use_ilmb = fcpu(cpu, "xlnx,i-lmb"); in set_cpuinfo_static()
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/linux/arch/arm/mach-bcm/
A Dplatsmp-brcmstb.c90 static u32 pwr_ctrl_rd(u32 cpu) in pwr_ctrl_rd() argument
115 tmp = pwr_ctrl_rd(cpu) & mask; in pwr_ctrl_wait_tmout()
120 tmp = pwr_ctrl_rd(cpu) & mask; in pwr_ctrl_wait_tmout()
148 per_cpu_sw_state_wr(cpu, 1); in brcmstb_cpu_boot()
157 cpu_rst_cfg_set(cpu, 0); in brcmstb_cpu_boot()
186 int tmp = pwr_ctrl_rd(cpu); in brcmstb_cpu_get_power_state()
196 per_cpu_sw_state_wr(cpu, 0); in brcmstb_cpu_die()
214 if (cpu == 0) { in brcmstb_cpu_kill()
240 cpu_rst_cfg_set(cpu, 1); in brcmstb_cpu_kill()
355 brcmstb_cpu_power_on(cpu); in brcmstb_boot_secondary()
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/linux/arch/arm64/kernel/
A Dsmp.c138 if (cpu_online(cpu)) in __cpu_up()
150 cpu, status); in __cpu_up()
243 ipi_setup(cpu); in secondary_start_kernel()
246 numa_add_cpu(cpu); in secondary_start_kernel()
310 ipi_teardown(cpu); in __cpu_disable()
381 ops->cpu_die(cpu); in cpu_die()
393 ops->cpu_die(cpu); in __cpu_try_die()
413 __cpu_try_die(cpu); in cpu_die_early()
722 unsigned int cpu; in smp_prepare_cpus() local
746 per_cpu(cpu_number, cpu) = cpu; in smp_prepare_cpus()
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/linux/arch/powerpc/include/asm/
A Dsmp.h33 extern int cpu_to_chip_id(int cpu);
45 void (*cause_ipi)(int cpu);
47 int (*cause_nmi_ipi)(int cpu);
78 int is_cpu_dead(unsigned int cpu);
95 return smp_hw_index[cpu]; in get_hard_smp_processor_id()
100 smp_hw_index[cpu] = phys; in set_hard_smp_processor_id()
116 return per_cpu(cpu_core_map, cpu); in cpu_core_mask()
129 extern int cpu_to_core_id(int cpu);
193 return cpumask_of(cpu); in cpu_sibling_mask()
198 return cpumask_of(cpu); in cpu_smallcore_mask()
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/linux/arch/arm/mach-tegra/
A Dplatsmp.c44 cpu = cpu_logical_map(cpu); in tegra20_boot_secondary()
54 tegra_put_cpu_in_reset(cpu); in tegra20_boot_secondary()
62 flowctrl_write_cpu_halt(cpu, 0); in tegra20_boot_secondary()
64 tegra_enable_cpu_clock(cpu); in tegra20_boot_secondary()
66 tegra_cpu_out_of_reset(cpu); in tegra20_boot_secondary()
75 cpu = cpu_logical_map(cpu); in tegra30_boot_secondary()
76 tegra_put_cpu_in_reset(cpu); in tegra30_boot_secondary()
114 tegra_enable_cpu_clock(cpu); in tegra30_boot_secondary()
125 tegra_cpu_out_of_reset(cpu); in tegra30_boot_secondary()
133 cpu = cpu_logical_map(cpu); in tegra114_boot_secondary()
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/linux/arch/x86/include/asm/
A Dtopology.h48 extern int __cpu_to_node(int cpu);
108 #define topology_logical_package_id(cpu) (cpu_data(cpu).logical_proc_id) argument
109 #define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) argument
110 #define topology_logical_die_id(cpu) (cpu_data(cpu).logical_die_id) argument
111 #define topology_die_id(cpu) (cpu_data(cpu).cpu_die_id) argument
112 #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) argument
117 #define topology_cluster_id(cpu) (per_cpu(cpu_l2c_id, cpu)) argument
118 #define topology_die_cpumask(cpu) (per_cpu(cpu_die_map, cpu)) argument
119 #define topology_cluster_cpumask(cpu) (cpu_clustergroup_mask(cpu)) argument
120 #define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) argument
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/linux/Documentation/devicetree/bindings/cpu/
A Dcpu-topology.txt39 2 - cpu-map node
46 - cpu-map node
148 - cpu
173 - cpu
190 cpu-map {
276 CPU0: cpu@0 {
284 CPU1: cpu@1 {
411 cpu-map {
443 CPU0: cpu@0 {
449 CPU1: cpu@1 {
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/linux/arch/arm/kernel/
A Dsmp.c111 if (!cpu_vtable[cpu]) in secondary_biglittle_prepare()
112 cpu_vtable[cpu] = kzalloc(sizeof(*cpu_vtable[cpu]), GFP_KERNEL); in secondary_biglittle_prepare()
158 task_thread_info(idle)->cpu = cpu; in __cpu_up()
239 return cpu != 0; in platform_can_hotplug_cpu()
274 ipi_teardown(cpu); in __cpu_disable()
373 cpu); in arch_cpu_idle_dead()
413 unsigned int cpu; in secondary_start_kernel() local
454 ipi_setup(cpu); in secondary_start_kernel()
483 int cpu; in smp_cpus_done() local
665 ipi_cpu_stop(cpu); in do_handle_IPI()
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/linux/arch/arm64/boot/dts/cavium/
A Dthunder-88xx.dtsi65 cpu@0 {
71 cpu@1 {
77 cpu@2 {
83 cpu@3 {
89 cpu@4 {
95 cpu@5 {
101 cpu@6 {
107 cpu@7 {
113 cpu@8 {
119 cpu@9 {
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