static void kexec_halt_all_cpus(void *kernel_image) { static atomic_t cpuid = ATOMIC_INIT(-1); int cpu; struct kimage *image; relocate_kernel_t data_mover; #ifdef CONFIG_PFAULT if (MACHINE_IS_VM) pfault_fini(); #endif if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1) signal_processor(smp_processor_id(), sigp_stop); /* Wait for all other cpus to enter stopped state */ for_each_online_cpu(cpu) { if (cpu == smp_processor_id()) continue; while (!smp_cpu_not_running(cpu)) cpu_relax(); } image = (struct kimage *) kernel_image; data_mover = (relocate_kernel_t) (page_to_pfn(image->control_code_page) << PAGE_SHIFT); /* Call the moving routine */ (*data_mover) (&image->head, image->start); }
/* * Reset system and call either kdump or normal kexec */ static void __machine_kexec(void *data) { struct kimage *image = data; pfault_fini(); if (image->type == KEXEC_TYPE_CRASH) s390_reset_system(__do_machine_kdump, data); else s390_reset_system(__do_machine_kexec, data); disabled_wait((unsigned long) __builtin_return_address(0)); }
/* * Reset system and call either kdump or normal kexec */ static void __machine_kexec(void *data) { __arch_local_irq_stosm(0x04); /* enable DAT */ pfault_fini(); tracing_off(); debug_locks_off(); #ifdef CONFIG_CRASH_DUMP if (((struct kimage *) data)->type == KEXEC_TYPE_CRASH) __machine_kdump(data); #endif __do_machine_kexec(data); }
/* * Reset system and call either kdump or normal kexec */ void machine_kexec(struct kimage *image) { if (image->type == KEXEC_TYPE_CRASH && !kdump_csum_valid(image)) return; smp_send_stop(); pfault_fini(); if (image->type == KEXEC_TYPE_CRASH) s390_reset_system(__do_machine_kdump, image); else s390_reset_system(__do_machine_kexec, image); disabled_wait((unsigned long) __builtin_return_address(0)); }
static void __machine_kexec(void *data) { relocate_kernel_t data_mover; struct kimage *image = data; pfault_fini(); s390_reset_system(); data_mover = (relocate_kernel_t) page_to_phys(image->control_code_page); /* Call the moving routine */ (*data_mover)(&image->head, image->start); for (;;); }
static void __machine_kexec(void *data) { struct kimage *image = data; pfault_fini(); tracing_off(); debug_locks_off(); if (image->type == KEXEC_TYPE_CRASH) { lgr_info_log(); s390_reset_system(__do_machine_kdump, data); } else { s390_reset_system(__do_machine_kexec, data); } disabled_wait((unsigned long) __builtin_return_address(0)); }
/* * Reset system and call either kdump or normal kexec */ static void __machine_kexec(void *data) { __arch_local_irq_stosm(0x04); /* enable DAT */ pfault_fini(); tracing_off(); debug_locks_off(); #ifdef CONFIG_CRASH_DUMP if (((struct kimage *) data)->type == KEXEC_TYPE_CRASH) { lgr_info_log(); s390_reset_system(setup_regs, __do_machine_kdump, data); } else #endif s390_reset_system(NULL, __do_machine_kexec, data); disabled_wait((unsigned long) __builtin_return_address(0)); }
/* * Reset system and call either kdump or normal kexec */ void machine_kexec(struct kimage *image) { if (image->type == KEXEC_TYPE_CRASH && !kdump_csum_valid(image)) return; smp_send_stop(); pfault_fini(); tracing_off(); debug_locks_off(); if (image->type == KEXEC_TYPE_CRASH) { lgr_info_log(); s390_reset_system(__do_machine_kdump, image); } else { s390_reset_system(__do_machine_kexec, image); } disabled_wait((unsigned long) __builtin_return_address(0)); }