static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { unsigned long addr; int ret; if (get_lppaca()->dtl_enable_mask) { ret = unregister_dtl(hard_smp_processor_id()); if (ret) { pr_err("WARNING: DTL deregistration for cpu " "%d (hw %d) failed with %d\n", smp_processor_id(), hard_smp_processor_id(), ret); } } addr = __pa(get_slb_shadow()); if (unregister_slb_shadow(hard_smp_processor_id(), addr)) printk("SLB shadow buffer deregistration of " "cpu %u (hw_cpu_id %d) failed\n", smp_processor_id(), hard_smp_processor_id()); addr = __pa(get_lppaca()); if (unregister_vpa(hard_smp_processor_id(), addr)) { printk("VPA deregistration of cpu %u (hw_cpu_id %d) " "failed\n", smp_processor_id(), hard_smp_processor_id()); } } }
static void pSeries_mach_cpu_die(void) { local_irq_disable(); idle_task_exit(); xics_teardown_cpu(); unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow())); rtas_stop_self(); /* Should never get here... */ BUG(); for(;;); }
static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { unsigned long addr; addr = __pa(get_slb_shadow()); if (unregister_slb_shadow(hard_smp_processor_id(), addr)) printk("SLB shadow buffer deregistration of " "cpu %u (hw_cpu_id %d) failed\n", smp_processor_id(), hard_smp_processor_id()); addr = __pa(get_lppaca()); if (unregister_vpa(hard_smp_processor_id(), addr)) { printk("VPA deregistration of cpu %u (hw_cpu_id %d) " "failed\n", smp_processor_id(), hard_smp_processor_id()); } } }