#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) (var) /* use this to mark accesses to per-CPU variables... */ #else /* !__ASSEMBLY__ */ #include <linux/threads.h> #ifdef CONFIG_SMP #ifdef HAVE_MODEL_SMALL_ATTRIBUTE # define PER_CPU_ATTRIBUTES __attribute__((__model__ (__small__))) #endif #define __my_cpu_offset __ia64_per_cpu_var(local_per_cpu_offset) extern void *per_cpu_init(void); #else /* ! SMP */ #define per_cpu_init() (__phys_per_cpu_start) #endif /* SMP */ #define PER_CPU_BASE_SECTION ".data..percpu" /* * Be extremely careful when taking the address of this variable! Due to virtual * remapping, it is different from the canonical address returned by this_cpu_ptr(&var)! * On the positive side, using __ia64_per_cpu_var() instead of this_cpu_ptr() is slightly * more efficient. */ #define __ia64_per_cpu_var(var) (*({ \ __verify_pcpu_ptr(&(var)); \ ((typeof(var) __kernel __force *)&(var)); \ })) #include <asm-generic/percpu.h> /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */ DECLARE_PER_CPU(unsigned long, local_per_cpu_offset); #endif /* !__ASSEMBLY__ */ #endif /* _ASM_IA64_PERCPU_H */