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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - arch/ia64/include/asm/percpu.h
1 #ifndef _ASM_IA64_PERCPU_H
2 #define _ASM_IA64_PERCPU_H
5 * Copyright (C) 2002-2003 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
9 #define PERCPU_ENOUGH_ROOM PERCPU_PAGE_SIZE
12 # define THIS_CPU(var) (var) /* use this to mark accesses to per-CPU variables... */
13 #else /* !__ASSEMBLY__ */
16 #include <linux/threads.h>
20 #ifdef HAVE_MODEL_SMALL_ATTRIBUTE
21 # define PER_CPU_ATTRIBUTES __attribute__((__model__ (__small__)))
24 #define __my_cpu_offset __ia64_per_cpu_var(local_per_cpu_offset)
26 extern void *per_cpu_init(void);
30 #define per_cpu_init() (__phys_per_cpu_start)
34 #define PER_CPU_BASE_SECTION ".data.percpu"
37 * Be extremely careful when taking the address of this variable! Due to virtual
38 * remapping, it is different from the canonical address returned by __get_cpu_var(var)!
39 * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly
42 #define __ia64_per_cpu_var(var) var
44 #include <asm-generic/percpu.h>
46 /* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
47 DECLARE_PER_CPU(unsigned long, local_per_cpu_offset
);
49 #endif /* !__ASSEMBLY__ */
51 #endif /* _ASM_IA64_PERCPU_H */