Lines Matching refs:cpu
63 int cpu; in cpu_bringup() local
75 cpu = smp_processor_id(); in cpu_bringup()
76 smp_store_cpu_info(cpu); in cpu_bringup()
77 cpu_data(cpu).x86_max_cores = 1; in cpu_bringup()
78 set_cpu_sibling_map(cpu); in cpu_bringup()
84 notify_cpu_starting(cpu); in cpu_bringup()
86 set_cpu_online(cpu, true); in cpu_bringup()
88 cpu_set_state_online(cpu); /* Implies full memory barrier. */ in cpu_bringup()
100 void xen_smp_intr_free_pv(unsigned int cpu) in xen_smp_intr_free_pv() argument
102 kfree(per_cpu(xen_irq_work, cpu).name); in xen_smp_intr_free_pv()
103 per_cpu(xen_irq_work, cpu).name = NULL; in xen_smp_intr_free_pv()
104 if (per_cpu(xen_irq_work, cpu).irq >= 0) { in xen_smp_intr_free_pv()
105 unbind_from_irqhandler(per_cpu(xen_irq_work, cpu).irq, NULL); in xen_smp_intr_free_pv()
106 per_cpu(xen_irq_work, cpu).irq = -1; in xen_smp_intr_free_pv()
109 kfree(per_cpu(xen_pmu_irq, cpu).name); in xen_smp_intr_free_pv()
110 per_cpu(xen_pmu_irq, cpu).name = NULL; in xen_smp_intr_free_pv()
111 if (per_cpu(xen_pmu_irq, cpu).irq >= 0) { in xen_smp_intr_free_pv()
112 unbind_from_irqhandler(per_cpu(xen_pmu_irq, cpu).irq, NULL); in xen_smp_intr_free_pv()
113 per_cpu(xen_pmu_irq, cpu).irq = -1; in xen_smp_intr_free_pv()
117 int xen_smp_intr_init_pv(unsigned int cpu) in xen_smp_intr_init_pv() argument
122 callfunc_name = kasprintf(GFP_KERNEL, "irqwork%d", cpu); in xen_smp_intr_init_pv()
123 per_cpu(xen_irq_work, cpu).name = callfunc_name; in xen_smp_intr_init_pv()
125 cpu, in xen_smp_intr_init_pv()
132 per_cpu(xen_irq_work, cpu).irq = rc; in xen_smp_intr_init_pv()
135 pmu_name = kasprintf(GFP_KERNEL, "pmu%d", cpu); in xen_smp_intr_init_pv()
136 per_cpu(xen_pmu_irq, cpu).name = pmu_name; in xen_smp_intr_init_pv()
137 rc = bind_virq_to_irqhandler(VIRQ_XENPMU, cpu, in xen_smp_intr_init_pv()
143 per_cpu(xen_pmu_irq, cpu).irq = rc; in xen_smp_intr_init_pv()
149 xen_smp_intr_free_pv(cpu); in xen_smp_intr_init_pv()
212 unsigned cpu; in xen_pv_smp_prepare_cpus() local
251 for (cpu = nr_cpu_ids - 1; !cpu_possible(cpu); cpu--) in xen_pv_smp_prepare_cpus()
253 set_cpu_possible(cpu, false); in xen_pv_smp_prepare_cpus()
256 for_each_possible_cpu(cpu) in xen_pv_smp_prepare_cpus()
257 set_cpu_present(cpu, true); in xen_pv_smp_prepare_cpus()
261 cpu_initialize_context(unsigned int cpu, struct task_struct *idle) in cpu_initialize_context() argument
268 cpumask_set_cpu(cpu, cpu_callout_mask); in cpu_initialize_context()
269 if (cpumask_test_and_set_cpu(cpu, xen_cpu_initialized_map)) in cpu_initialize_context()
276 gdt = get_cpu_gdt_rw(cpu); in cpu_initialize_context()
311 ctxt->gs_base_kernel = per_cpu_offset(cpu); in cpu_initialize_context()
316 per_cpu(xen_cr3, cpu) = __pa(swapper_pg_dir); in cpu_initialize_context()
319 if (HYPERVISOR_vcpu_op(VCPUOP_initialise, xen_vcpu_nr(cpu), ctxt)) in cpu_initialize_context()
326 static int xen_pv_cpu_up(unsigned int cpu, struct task_struct *idle) in xen_pv_cpu_up() argument
330 rc = common_cpu_up(cpu, idle); in xen_pv_cpu_up()
334 xen_setup_runstate_info(cpu); in xen_pv_cpu_up()
340 rc = cpu_check_up_prepare(cpu); in xen_pv_cpu_up()
345 per_cpu(xen_vcpu, cpu)->evtchn_upcall_mask = 1; in xen_pv_cpu_up()
347 rc = cpu_initialize_context(cpu, idle); in xen_pv_cpu_up()
351 xen_pmu_init(cpu); in xen_pv_cpu_up()
353 rc = HYPERVISOR_vcpu_op(VCPUOP_up, xen_vcpu_nr(cpu), NULL); in xen_pv_cpu_up()
356 while (cpu_report_state(cpu) != CPU_ONLINE) in xen_pv_cpu_up()
365 unsigned int cpu = smp_processor_id(); in xen_pv_cpu_disable() local
366 if (cpu == 0) in xen_pv_cpu_disable()
375 static void xen_pv_cpu_die(unsigned int cpu) in xen_pv_cpu_die() argument
378 xen_vcpu_nr(cpu), NULL)) { in xen_pv_cpu_die()
383 if (common_cpu_die(cpu) == 0) { in xen_pv_cpu_die()
384 xen_smp_intr_free(cpu); in xen_pv_cpu_die()
385 xen_uninit_lock_cpu(cpu); in xen_pv_cpu_die()
386 xen_teardown_timer(cpu); in xen_pv_cpu_die()
387 xen_pmu_finish(cpu); in xen_pv_cpu_die()
414 static void xen_pv_cpu_die(unsigned int cpu) in xen_pv_cpu_die() argument
427 int cpu = smp_processor_id(); in stop_self() local
433 set_cpu_online(cpu, false); in stop_self()
435 HYPERVISOR_vcpu_op(VCPUOP_down, xen_vcpu_nr(cpu), NULL); in stop_self()