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- #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 __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) (*({ \
- __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 */
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