| /linux-3.4.99/drivers/lguest/ |
| D | hypercalls.c | 37 static void do_hcall(struct lg_cpu *cpu, struct hcall_args *args) in do_hcall() argument
57 kill_guest(cpu, "already have lguest_data"); in do_hcall()
68 __lgread(cpu, msg, args->arg1, sizeof(msg)); in do_hcall()
70 kill_guest(cpu, "CRASH: %s", msg); in do_hcall()
72 cpu->lg->dead = ERR_PTR(-ERESTART); in do_hcall()
78 guest_pagetable_clear_all(cpu); in do_hcall()
80 guest_pagetable_flush_user(cpu); in do_hcall()
88 guest_new_pagetable(cpu, args->arg1); in do_hcall()
91 guest_set_stack(cpu, args->arg1, args->arg2, args->arg3); in do_hcall()
95 guest_set_pte(cpu, args->arg1, args->arg2, in do_hcall()
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| D | interrupts_and_traps.c | 51 static void push_guest_stack(struct lg_cpu *cpu, unsigned long *gstack, u32 val) in push_guest_stack() argument
55 lgwrite(cpu, *gstack, u32, val); in push_guest_stack()
72 static void set_guest_interrupt(struct lg_cpu *cpu, u32 lo, u32 hi, in set_guest_interrupt() argument
84 if ((cpu->regs->ss&0x3) != GUEST_PL) { in set_guest_interrupt()
89 virtstack = cpu->esp1; in set_guest_interrupt()
90 ss = cpu->ss1; in set_guest_interrupt()
92 origstack = gstack = guest_pa(cpu, virtstack); in set_guest_interrupt()
99 push_guest_stack(cpu, &gstack, cpu->regs->ss); in set_guest_interrupt()
100 push_guest_stack(cpu, &gstack, cpu->regs->esp); in set_guest_interrupt()
103 virtstack = cpu->regs->esp; in set_guest_interrupt()
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| D | page_tables.c | 79 #define switcher_pte_page(cpu) per_cpu(switcher_pte_pages, cpu) argument
94 static pgd_t *spgd_addr(struct lg_cpu *cpu, u32 i, unsigned long vaddr) in spgd_addr() argument
101 kill_guest(cpu, "attempt to access switcher pages"); in spgd_addr()
106 return &cpu->lg->pgdirs[i].pgdir[index]; in spgd_addr()
115 static pmd_t *spmd_addr(struct lg_cpu *cpu, pgd_t spgd, unsigned long vaddr) in spmd_addr() argument
123 kill_guest(cpu, "attempt to access switcher pages"); in spmd_addr()
140 static pte_t *spte_addr(struct lg_cpu *cpu, pgd_t spgd, unsigned long vaddr) in spte_addr() argument
143 pmd_t *pmd = spmd_addr(cpu, spgd, vaddr); in spte_addr()
161 static unsigned long gpgd_addr(struct lg_cpu *cpu, unsigned long vaddr) in gpgd_addr() argument
164 return cpu->lg->pgdirs[cpu->cpu_pgd].gpgdir + index * sizeof(pgd_t); in gpgd_addr()
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| D | lg.h | 135 #define lgread(cpu, addr, type) \ argument
136 ({ type _v; __lgread((cpu), &_v, (addr), sizeof(_v)); _v; })
139 #define lgwrite(cpu, addr, type, val) \ argument
142 __lgwrite((cpu), (addr), &(val), sizeof(val)); \
146 int run_guest(struct lg_cpu *cpu, unsigned long __user *user);
159 unsigned int interrupt_pending(struct lg_cpu *cpu, bool *more);
160 void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq, bool more);
161 void set_interrupt(struct lg_cpu *cpu, unsigned int irq);
162 bool deliver_trap(struct lg_cpu *cpu, unsigned int num);
163 void load_guest_idt_entry(struct lg_cpu *cpu, unsigned int i,
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| /linux-3.4.99/drivers/lguest/x86/ |
| D | core.c | 66 static struct lguest_pages *lguest_pages(unsigned int cpu) in lguest_pages() argument
69 (SWITCHER_ADDR + SHARED_SWITCHER_PAGES*PAGE_SIZE))[cpu]); in lguest_pages()
85 static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) in copy_in_guest_info() argument
93 if (__this_cpu_read(lg_last_cpu) != cpu || cpu->last_pages != pages) { in copy_in_guest_info()
94 __this_cpu_write(lg_last_cpu, cpu); in copy_in_guest_info()
95 cpu->last_pages = pages; in copy_in_guest_info()
96 cpu->changed = CHANGED_ALL; in copy_in_guest_info()
108 map_switcher_in_guest(cpu, pages); in copy_in_guest_info()
114 pages->state.guest_tss.sp1 = cpu->esp1; in copy_in_guest_info()
115 pages->state.guest_tss.ss1 = cpu->ss1; in copy_in_guest_info()
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| /linux-3.4.99/arch/x86/xen/ |
| D | smp.c | 62 int cpu; in cpu_bringup() local
71 cpu = smp_processor_id(); in cpu_bringup()
72 smp_store_cpu_info(cpu); in cpu_bringup()
73 cpu_data(cpu).x86_max_cores = 1; in cpu_bringup()
74 set_cpu_sibling_map(cpu); in cpu_bringup()
78 notify_cpu_starting(cpu); in cpu_bringup()
81 set_cpu_online(cpu, true); in cpu_bringup()
100 static int xen_smp_intr_init(unsigned int cpu) in xen_smp_intr_init() argument
105 resched_name = kasprintf(GFP_KERNEL, "resched%d", cpu); in xen_smp_intr_init()
107 cpu, in xen_smp_intr_init()
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| /linux-3.4.99/arch/microblaze/kernel/cpu/ |
| D | cpuinfo-static.c | 23 void __init set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu) in set_cpuinfo_static() argument
28 (fcpu(cpu, "xlnx,use-barrel") ? PVR0_USE_BARREL_MASK : 0) | in set_cpuinfo_static()
29 (fcpu(cpu, "xlnx,use-msr-instr") ? PVR2_USE_MSR_INSTR : 0) | in set_cpuinfo_static()
30 (fcpu(cpu, "xlnx,use-pcmp-instr") ? PVR2_USE_PCMP_INSTR : 0) | in set_cpuinfo_static()
31 (fcpu(cpu, "xlnx,use-div") ? PVR0_USE_DIV_MASK : 0); in set_cpuinfo_static()
43 ci->use_mult = fcpu(cpu, "xlnx,use-hw-mul"); in set_cpuinfo_static()
51 ci->use_fpu = fcpu(cpu, "xlnx,use-fpu"); in set_cpuinfo_static()
59 (fcpu(cpu, "xlnx,unaligned-exceptions") ? in set_cpuinfo_static()
61 (fcpu(cpu, "xlnx,ill-opcode-exception") ? in set_cpuinfo_static()
63 (fcpu(cpu, "xlnx,iopb-bus-exception") ? in set_cpuinfo_static()
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| /linux-3.4.99/arch/powerpc/kernel/ |
| D | tau_6xx.c | 52 void set_thresholds(unsigned long cpu) in set_thresholds() argument
59 mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TIE | THRM1_TID); in set_thresholds()
64 mtspr (SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V | THRM1_TIE); in set_thresholds()
67 mtspr(SPRN_THRM1, THRM1_THRES(tau[cpu].low) | THRM1_V | THRM1_TID); in set_thresholds()
68 mtspr(SPRN_THRM2, THRM1_THRES(tau[cpu].high) | THRM1_V); in set_thresholds()
72 void TAUupdate(int cpu) in TAUupdate() argument
84 if (tau[cpu].low >= step_size){ in TAUupdate()
85 tau[cpu].low -= step_size; in TAUupdate()
86 tau[cpu].high -= (step_size - window_expand); in TAUupdate()
88 tau[cpu].grew = 1; in TAUupdate()
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| D | smp.c | 206 void smp_muxed_ipi_set_data(int cpu, unsigned long data) in smp_muxed_ipi_set_data() argument
208 struct cpu_messages *info = &per_cpu(ipi_message, cpu); in smp_muxed_ipi_set_data()
213 void smp_muxed_ipi_message_pass(int cpu, int msg) in smp_muxed_ipi_message_pass() argument
215 struct cpu_messages *info = &per_cpu(ipi_message, cpu); in smp_muxed_ipi_message_pass()
227 smp_ops->cause_ipi(cpu, info->data); in smp_muxed_ipi_message_pass()
258 static inline void do_message_pass(int cpu, int msg) in do_message_pass() argument
261 smp_ops->message_pass(cpu, msg); in do_message_pass()
264 smp_muxed_ipi_message_pass(cpu, msg); in do_message_pass()
268 void smp_send_reschedule(int cpu) in smp_send_reschedule() argument
271 do_message_pass(cpu, PPC_MSG_RESCHEDULE); in smp_send_reschedule()
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| /linux-3.4.99/arch/ia64/xen/ |
| D | irq_xen.c | 146 __xen_register_percpu_irq(unsigned int cpu, unsigned int vec, in __xen_register_percpu_irq() argument
154 snprintf(per_cpu(xen_timer_name, cpu), in __xen_register_percpu_irq()
155 sizeof(per_cpu(xen_timer_name, cpu)), in __xen_register_percpu_irq()
156 "%s%d", action->name, cpu); in __xen_register_percpu_irq()
157 irq = bind_virq_to_irqhandler(VIRQ_ITC, cpu, in __xen_register_percpu_irq()
159 per_cpu(xen_timer_name, cpu), action->dev_id); in __xen_register_percpu_irq()
160 per_cpu(xen_timer_irq, cpu) = irq; in __xen_register_percpu_irq()
163 snprintf(per_cpu(xen_resched_name, cpu), in __xen_register_percpu_irq()
164 sizeof(per_cpu(xen_resched_name, cpu)), in __xen_register_percpu_irq()
165 "%s%d", action->name, cpu); in __xen_register_percpu_irq()
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| /linux-3.4.99/tools/power/cpupower/lib/ |
| D | cpufreq.c | 16 int cpufreq_cpu_exists(unsigned int cpu) in cpufreq_cpu_exists() argument
18 return sysfs_cpu_exists(cpu); in cpufreq_cpu_exists()
21 unsigned long cpufreq_get_freq_kernel(unsigned int cpu) in cpufreq_get_freq_kernel() argument
23 return sysfs_get_freq_kernel(cpu); in cpufreq_get_freq_kernel()
26 unsigned long cpufreq_get_freq_hardware(unsigned int cpu) in cpufreq_get_freq_hardware() argument
28 return sysfs_get_freq_hardware(cpu); in cpufreq_get_freq_hardware()
31 unsigned long cpufreq_get_transition_latency(unsigned int cpu) in cpufreq_get_transition_latency() argument
33 return sysfs_get_freq_transition_latency(cpu); in cpufreq_get_transition_latency()
36 int cpufreq_get_hardware_limits(unsigned int cpu, in cpufreq_get_hardware_limits() argument
42 return sysfs_get_freq_hardware_limits(cpu, min, max); in cpufreq_get_hardware_limits()
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| /linux-3.4.99/arch/blackfin/mm/ |
| D | sram-alloc.c | 68 unsigned int cpu; in l1sram_init() local
77 for (cpu = 0; cpu < num_possible_cpus(); ++cpu) { in l1sram_init()
78 per_cpu(free_l1_ssram_head, cpu).next = in l1sram_init()
80 if (!per_cpu(free_l1_ssram_head, cpu).next) { in l1sram_init()
85 per_cpu(free_l1_ssram_head, cpu).next->paddr = (void *)get_l1_scratch_start_cpu(cpu) + reserve; in l1sram_init()
86 per_cpu(free_l1_ssram_head, cpu).next->size = L1_SCRATCH_LENGTH - reserve; in l1sram_init()
87 per_cpu(free_l1_ssram_head, cpu).next->pid = 0; in l1sram_init()
88 per_cpu(free_l1_ssram_head, cpu).next->next = NULL; in l1sram_init()
90 per_cpu(used_l1_ssram_head, cpu).next = NULL; in l1sram_init()
93 spin_lock_init(&per_cpu(l1sram_lock, cpu)); in l1sram_init()
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| /linux-3.4.99/include/linux/ |
| D | cpumask.h | 89 #define cpu_online(cpu) cpumask_test_cpu((cpu), cpu_online_mask) argument
90 #define cpu_possible(cpu) cpumask_test_cpu((cpu), cpu_possible_mask) argument
91 #define cpu_present(cpu) cpumask_test_cpu((cpu), cpu_present_mask) argument
92 #define cpu_active(cpu) cpumask_test_cpu((cpu), cpu_active_mask) argument
98 #define cpu_online(cpu) ((cpu) == 0) argument
99 #define cpu_possible(cpu) ((cpu) == 0) argument
100 #define cpu_present(cpu) ((cpu) == 0) argument
101 #define cpu_active(cpu) ((cpu) == 0) argument
105 static inline unsigned int cpumask_check(unsigned int cpu) in cpumask_check() argument
108 WARN_ON_ONCE(cpu >= nr_cpumask_bits); in cpumask_check()
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| /linux-3.4.99/drivers/xen/ |
| D | cpu_hotplug.c | 9 static void enable_hotplug_cpu(int cpu) in enable_hotplug_cpu() argument
11 if (!cpu_present(cpu)) in enable_hotplug_cpu()
12 arch_register_cpu(cpu); in enable_hotplug_cpu()
14 set_cpu_present(cpu, true); in enable_hotplug_cpu()
17 static void disable_hotplug_cpu(int cpu) in disable_hotplug_cpu() argument
19 if (cpu_present(cpu)) in disable_hotplug_cpu()
20 arch_unregister_cpu(cpu); in disable_hotplug_cpu()
22 set_cpu_present(cpu, false); in disable_hotplug_cpu()
25 static int vcpu_online(unsigned int cpu) in vcpu_online() argument
30 sprintf(dir, "cpu/%u", cpu); in vcpu_online()
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| /linux-3.4.99/drivers/cpufreq/ |
| D | cpufreq_userspace.c | 47 if (!per_cpu(cpu_is_managed, freq->cpu)) in userspace_cpufreq_notifier()
52 freq->cpu, freq->new); in userspace_cpufreq_notifier()
53 per_cpu(cpu_cur_freq, freq->cpu) = freq->new; in userspace_cpufreq_notifier()
75 pr_debug("cpufreq_set for cpu %u, freq %u kHz\n", policy->cpu, freq); in cpufreq_set()
78 if (!per_cpu(cpu_is_managed, policy->cpu)) in cpufreq_set()
81 per_cpu(cpu_set_freq, policy->cpu) = freq; in cpufreq_set()
83 if (freq < per_cpu(cpu_min_freq, policy->cpu)) in cpufreq_set()
84 freq = per_cpu(cpu_min_freq, policy->cpu); in cpufreq_set()
85 if (freq > per_cpu(cpu_max_freq, policy->cpu)) in cpufreq_set()
86 freq = per_cpu(cpu_max_freq, policy->cpu); in cpufreq_set()
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| /linux-3.4.99/arch/um/kernel/ |
| D | smp.c | 37 void smp_send_reschedule(int cpu) in smp_send_reschedule() argument
39 os_write_file(cpu_data[cpu].ipi_pipe[1], "R", 1); in smp_send_reschedule()
49 if (i == current_thread->cpu) in smp_send_stop()
61 int cpu = (int) cpup, err; in idle_proc() local
63 err = os_pipe(cpu_data[cpu].ipi_pipe, 1, 1); in idle_proc()
65 panic("CPU#%d failed to create IPI pipe, err = %d", cpu, -err); in idle_proc()
67 os_set_fd_async(cpu_data[cpu].ipi_pipe[0]); in idle_proc()
70 if (cpu_test_and_set(cpu, cpu_callin_map)) { in idle_proc()
71 printk(KERN_ERR "huh, CPU#%d already present??\n", cpu); in idle_proc()
75 while (!cpu_isset(cpu, smp_commenced_mask)) in idle_proc()
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| /linux-3.4.99/arch/arm/kernel/ |
| D | smp.c | 63 int __cpuinit __cpu_up(unsigned int cpu) in __cpu_up() argument
65 struct cpuinfo_arm *ci = &per_cpu(cpu_data, cpu); in __cpu_up()
74 idle = fork_idle(cpu); in __cpu_up()
76 printk(KERN_ERR "CPU%u: fork() failed\n", cpu); in __cpu_up()
85 init_idle(idle, cpu); in __cpu_up()
101 ret = boot_secondary(cpu, idle); in __cpu_up()
110 if (!cpu_online(cpu)) { in __cpu_up()
111 pr_crit("CPU%u: failed to come online\n", cpu); in __cpu_up()
115 pr_err("CPU%u: failed to boot: %d\n", cpu, ret); in __cpu_up()
132 unsigned int cpu = smp_processor_id(); in __cpu_disable() local
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| /linux-3.4.99/arch/x86/kernel/ |
| D | setup_percpu.c | 69 unsigned int cpu; in pcpu_need_numa() local
71 for_each_possible_cpu(cpu) { in pcpu_need_numa()
72 int node = early_cpu_to_node(cpu); in pcpu_need_numa()
98 static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size, in pcpu_alloc_bootmem() argument
103 int node = early_cpu_to_node(cpu); in pcpu_alloc_bootmem()
109 cpu, node); in pcpu_alloc_bootmem()
111 cpu, size, __pa(ptr)); in pcpu_alloc_bootmem()
116 cpu, size, node, __pa(ptr)); in pcpu_alloc_bootmem()
127 static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align) in pcpu_fc_alloc() argument
129 return pcpu_alloc_bootmem(cpu, size, align); in pcpu_fc_alloc()
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| /linux-3.4.99/tools/power/cpupower/utils/ |
| D | cpufreq-info.c | 57 unsigned int cpu, nr_cpus; in proc_cpufreq_output() local
66 for (cpu = 0; cpu < nr_cpus; cpu++) { in proc_cpufreq_output()
67 policy = cpufreq_get_policy(cpu); in proc_cpufreq_output()
71 if (cpufreq_get_hardware_limits(cpu, &min, &max)) { in proc_cpufreq_output()
78 cpu , policy->min, max ? min_pctg : 0, policy->max, in proc_cpufreq_output()
141 static int get_boost_mode(unsigned int cpu) in get_boost_mode() argument
151 ret = cpufreq_has_boost_support(cpu, &support, &active, &b_states); in get_boost_mode()
154 " on CPU %d -- are you root?\n"), cpu); in get_boost_mode()
170 ret = decode_pstates(cpu, cpupower_cpu_info.family, b_states, in get_boost_mode()
195 intel_turbo_ratio = msr_intel_get_turbo_ratio(cpu); in get_boost_mode()
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| /linux-3.4.99/arch/s390/oprofile/ |
| D | hwsampler.c | 121 static int smp_ctl_ssctl_stop(int cpu) in smp_ctl_ssctl_stop() argument
127 cb = &per_cpu(sampler_cpu_buffer, cpu); in smp_ctl_ssctl_stop()
133 smp_call_function_single(cpu, execute_ssctl, &ep, 1); in smp_ctl_ssctl_stop()
136 printk(KERN_ERR "hwsampler: CPU %d CPUMF SSCTL failed.\n", cpu); in smp_ctl_ssctl_stop()
141 smp_call_function_single(cpu, execute_qsi, &ep, 1); in smp_ctl_ssctl_stop()
151 static int smp_ctl_ssctl_deactivate(int cpu) in smp_ctl_ssctl_deactivate() argument
157 cb = &per_cpu(sampler_cpu_buffer, cpu); in smp_ctl_ssctl_deactivate()
163 smp_call_function_single(cpu, execute_ssctl, &ep, 1); in smp_ctl_ssctl_deactivate()
166 printk(KERN_ERR "hwsampler: CPU %d CPUMF SSCTL failed.\n", cpu); in smp_ctl_ssctl_deactivate()
169 smp_call_function_single(cpu, execute_qsi, &ep, 1); in smp_ctl_ssctl_deactivate()
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| /linux-3.4.99/kernel/trace/ |
| D | trace_workqueue.c | 22 int cpu; member
43 #define workqueue_cpu_stat(cpu) (&per_cpu(all_workqueue_stat, cpu)) argument
56 int cpu = cpumask_first(&wq_thread->cpus_allowed); in probe_workqueue_insertion() local
60 spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); in probe_workqueue_insertion()
61 list_for_each_entry(node, &workqueue_cpu_stat(cpu)->list, list) { in probe_workqueue_insertion()
69 spin_unlock_irqrestore(&workqueue_cpu_stat(cpu)->lock, flags); in probe_workqueue_insertion()
78 int cpu = cpumask_first(&wq_thread->cpus_allowed); in probe_workqueue_execution() local
82 spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); in probe_workqueue_execution()
83 list_for_each_entry(node, &workqueue_cpu_stat(cpu)->list, list) { in probe_workqueue_execution()
91 spin_unlock_irqrestore(&workqueue_cpu_stat(cpu)->lock, flags); in probe_workqueue_execution()
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| /linux-3.4.99/arch/ia64/kernel/ |
| D | err_inject.c | 61 u32 cpu=dev->id; \
62 return sprintf(buf, "%lx\n", name[cpu]); \
70 unsigned int cpu=dev->id; \
71 name[cpu] = simple_strtoull(buf, NULL, 16); \
84 unsigned int cpu=dev->id; in show() local
88 printk(KERN_DEBUG "pal_mc_err_inject for cpu%d:\n", cpu); in show()
89 printk(KERN_DEBUG "err_type_info=%lx,\n", err_type_info[cpu]); in show()
90 printk(KERN_DEBUG "err_struct_info=%lx,\n", err_struct_info[cpu]); in show()
92 err_data_buffer[cpu].data1, in show()
93 err_data_buffer[cpu].data2, in show()
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| D | smpboot.c | 487 int cpu; member
496 c_idle->idle = fork_idle(c_idle->cpu); in do_fork_idle()
501 do_boot_cpu (int sapicid, int cpu) in do_boot_cpu() argument
506 .cpu = cpu, in do_boot_cpu()
514 c_idle.idle = get_idle_for_cpu(cpu); in do_boot_cpu()
516 init_idle(c_idle.idle, cpu); in do_boot_cpu()
524 panic("failed fork for CPU %d", cpu); in do_boot_cpu()
526 set_idle_for_cpu(cpu, c_idle.idle); in do_boot_cpu()
531 Dprintk("Sending wakeup vector %lu to AP 0x%x/0x%x.\n", ap_wakeup_vector, cpu, sapicid); in do_boot_cpu()
533 set_brendez_area(cpu); in do_boot_cpu()
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| /linux-3.4.99/arch/powerpc/include/asm/ |
| D | smp.h | 40 void (*message_pass)(int cpu, int msg);
42 void (*cause_ipi)(int cpu, unsigned long data);
65 void generic_cpu_die(unsigned int cpu);
67 void generic_set_cpu_dead(unsigned int cpu);
68 int generic_check_cpu_restart(unsigned int cpu);
78 #define raw_smp_processor_id() (current_thread_info()->cpu)
81 static inline int get_hard_smp_processor_id(int cpu) in get_hard_smp_processor_id() argument
83 return smp_hw_index[cpu]; in get_hard_smp_processor_id()
86 static inline void set_hard_smp_processor_id(int cpu, int phys) in set_hard_smp_processor_id() argument
88 smp_hw_index[cpu] = phys; in set_hard_smp_processor_id()
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| /linux-3.4.99/arch/sh/kernel/ |
| D | smp.c | 48 static inline void __cpuinit smp_store_cpu_info(unsigned int cpu) in smp_store_cpu_info() argument
50 struct sh_cpuinfo *c = cpu_data + cpu; in smp_store_cpu_info()
59 unsigned int cpu = smp_processor_id(); in smp_prepare_cpus() local
62 current_thread_info()->cpu = cpu; in smp_prepare_cpus()
72 unsigned int cpu = smp_processor_id(); in smp_prepare_boot_cpu() local
74 __cpu_number_map[0] = cpu; in smp_prepare_boot_cpu()
75 __cpu_logical_map[0] = cpu; in smp_prepare_boot_cpu()
77 set_cpu_online(cpu, true); in smp_prepare_boot_cpu()
78 set_cpu_possible(cpu, true); in smp_prepare_boot_cpu()
80 per_cpu(cpu_state, cpu) = CPU_ONLINE; in smp_prepare_boot_cpu()
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