#ifndef _ASM_IA64_PERCPU_H#define _ASM_IA64_PERCPU_H /* * Copyright (C) 2002-2003 Hewlett-Packard Co *	David Mosberger-Tang <davidm@hpl.hp.com> */ #define PERCPU_ENOUGH_ROOM PERCPU_PAGE_SIZE #ifdef __ASSEMBLY__# define THIS_CPU(var)	(per_cpu__##var)  /* use this to mark accesses to per-CPU variables... */#else /* !__ASSEMBLY__ */  #include <linux/threads.h> #ifdef HAVE_MODEL_SMALL_ATTRIBUTE# define __SMALL_ADDR_AREA	__attribute__((__model__ (__small__)))#else# define __SMALL_ADDR_AREA#endif #define DECLARE_PER_CPU(type, name)				\	extern __SMALL_ADDR_AREA __typeof__(type) per_cpu__##name /* Separate out the type, so (int[3], foo) works. */#define DEFINE_PER_CPU(type, name)				\	__attribute__((__section__(".data.percpu")))		\	__SMALL_ADDR_AREA __typeof__(type) per_cpu__##name /* * Pretty much a literal copy of asm-generic/percpu.h, except that percpu_modcopy() is an * external routine, to avoid include-hell. */#ifdef CONFIG_SMP extern unsigned long __per_cpu_offset[NR_CPUS]; /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */DECLARE_PER_CPU(unsigned long, local_per_cpu_offset); #define per_cpu(var, cpu)  (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))#define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset))) extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size);extern void setup_per_cpu_areas (void);extern void *per_cpu_init(void); #else /* ! SMP */ #define per_cpu(var, cpu)			(*((void)(cpu), &per_cpu__##var))#define __get_cpu_var(var)			per_cpu__##var#define per_cpu_init()				(__phys_per_cpu_start) #endif	/* SMP */ #define EXPORT_PER_CPU_SYMBOL(var)		EXPORT_SYMBOL(per_cpu__##var)#define EXPORT_PER_CPU_SYMBOL_GPL(var)		EXPORT_SYMBOL_GPL(per_cpu__##var) /* * Be extremely careful when taking the address of this variable!  Due to virtual * remapping, it is different from the canonical address returned by __get_cpu_var(var)! * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly * more efficient. */#define __ia64_per_cpu_var(var)	(per_cpu__##var) #endif /* !__ASSEMBLY__ */ #endif /* _ASM_IA64_PERCPU_H */