| #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) 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 */ |