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/*
* Copyright IBM Corp. 1999,2009
* Author(s): Denis Joseph Barrow,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Heiko Carstens <heiko.carstens@de.ibm.com>,
*/
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#ifdef CONFIG_SMP
#include <asm/system.h>
#include <asm/sigp.h>
extern void machine_restart_smp(char *);
extern void machine_halt_smp(void);
extern void machine_power_off_smp(void);
#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
extern int __cpu_disable (void);
extern void __cpu_die (unsigned int cpu);
extern void cpu_die (void) __attribute__ ((noreturn));
extern int __cpu_up (unsigned int cpu);
extern struct mutex smp_cpu_state_mutex;
extern int smp_cpu_polarization[];
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
#endif /* CONFIG_SMP */
#ifdef CONFIG_HOTPLUG_CPU
extern int smp_rescan_cpus(void);
#else
static inline int smp_rescan_cpus(void) { return 0; }
#endif
#endif /* __ASM_SMP_H */
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