Function report |
Source Code:arch\x86\kernel\smpboot.c |
Create Date:2022-07-28 08:24:43 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:native_cpu_up
Proto:int native_cpu_up(unsigned int cpu, struct task_struct *tidle)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | cpu | |
struct task_struct * | tidle |
1129 | apicid = cpu_present_to_apicid(cpu) |
1130 | cpu0_nmi_registered = 0 |
1132 | ret = 0 |
1134 | lockdep_assert_irqs_enabled() |
1138 | If apicid == BAD_APICID || Not physid_isset(apicid, phys_cpu_present_map) || Not apic_id_valid(apicid) Then |
1160 | err = cpu_check_up_prepare(cpu) |
1165 | per_cpu(Track which context is using the FPU on the CPU:, cpu) = NULL |
1167 | err = common_cpu_up(cpu, tidle) |
1172 | If err Then |
1175 | Go to unreg_nmi |
1182 | local_irq_save(flags) |
1183 | check_tsc_sync_source(cpu) |
1184 | local_irq_restore(flags) |
1186 | When Not cpu_online(cpu) cycle |
1187 | cpu_relax() |
1191 | unreg_nmi : |
1196 | If cpu0_nmi_registered Then unregister_nmi_handler(NMI_LOCAL, "wake_cpu0") |
1199 | Return ret |
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