1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_PERCPU_H
 3#define _ASM_IA64_PERCPU_H
 4
 5/*
 6 * Copyright (C) 2002-2003 Hewlett-Packard Co
 7 *	David Mosberger-Tang <davidm@hpl.hp.com>
 8 */
 9
10#ifdef __ASSEMBLY__
11# define THIS_CPU(var)	(var)  /* use this to mark accesses to per-CPU variables... */
12#else /* !__ASSEMBLY__ */
13
14
15#include <linux/threads.h>
16
17#ifdef CONFIG_SMP
18
19#ifdef HAVE_MODEL_SMALL_ATTRIBUTE
20# define PER_CPU_ATTRIBUTES	__attribute__((__model__ (__small__)))
21#endif
22
23#define __my_cpu_offset	__ia64_per_cpu_var(local_per_cpu_offset)
24
25extern void *per_cpu_init(void);
26
27#else /* ! SMP */
28
29#define per_cpu_init()				(__phys_per_cpu_start)
30
31#endif	/* SMP */
32
33#define PER_CPU_BASE_SECTION ".data..percpu"
34
35/*
36 * Be extremely careful when taking the address of this variable!  Due to virtual
37 * remapping, it is different from the canonical address returned by this_cpu_ptr(&var)!
38 * On the positive side, using __ia64_per_cpu_var() instead of this_cpu_ptr() is slightly
39 * more efficient.
40 */
41#define __ia64_per_cpu_var(var) (*({					\
42	__verify_pcpu_ptr(&(var));					\
43	((typeof(var) __kernel __force *)&(var));			\
44}))
45
46#include <asm-generic/percpu.h>
47
48/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
49DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
50
51#endif /* !__ASSEMBLY__ */
52
53#endif /* _ASM_IA64_PERCPU_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_IA64_PERCPU_H
 3#define _ASM_IA64_PERCPU_H
 4
 5/*
 6 * Copyright (C) 2002-2003 Hewlett-Packard Co
 7 *	David Mosberger-Tang <davidm@hpl.hp.com>
 8 */
 9
10#ifdef __ASSEMBLY__
11# define THIS_CPU(var)	(var)  /* use this to mark accesses to per-CPU variables... */
12#else /* !__ASSEMBLY__ */
13
14
15#include <linux/threads.h>
16
17#ifdef CONFIG_SMP
18
19#ifdef HAVE_MODEL_SMALL_ATTRIBUTE
20# define PER_CPU_ATTRIBUTES	__attribute__((__model__ (__small__)))
21#endif
22
23#define __my_cpu_offset	__ia64_per_cpu_var(local_per_cpu_offset)
24
25extern void *per_cpu_init(void);
26
27#else /* ! SMP */
28
29#define per_cpu_init()				(__phys_per_cpu_start)
30
31#endif	/* SMP */
32
33#define PER_CPU_BASE_SECTION ".data..percpu"
34
35/*
36 * Be extremely careful when taking the address of this variable!  Due to virtual
37 * remapping, it is different from the canonical address returned by this_cpu_ptr(&var)!
38 * On the positive side, using __ia64_per_cpu_var() instead of this_cpu_ptr() is slightly
39 * more efficient.
40 */
41#define __ia64_per_cpu_var(var) (*({					\
42	__verify_pcpu_ptr(&(var));					\
43	((typeof(var) __kernel __force *)&(var));			\
44}))
45
46#include <asm-generic/percpu.h>
47
48/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
49DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
50
51#endif /* !__ASSEMBLY__ */
52
53#endif /* _ASM_IA64_PERCPU_H */