Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_POWERPC_PERCPU_H_
3#define _ASM_POWERPC_PERCPU_H_
4#ifdef __powerpc64__
5
6/*
7 * Same as asm-generic/percpu.h, except that we store the per cpu offset
8 * in the paca. Based on the x86-64 implementation.
9 */
10
11#ifdef CONFIG_SMP
12
13#define __my_cpu_offset local_paca->data_offset
14
15#endif /* CONFIG_SMP */
16#endif /* __powerpc64__ */
17
18#if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) && defined(CONFIG_SMP)
19#include <linux/jump_label.h>
20DECLARE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged);
21
22#define percpu_first_chunk_is_paged \
23 (static_key_enabled(&__percpu_first_chunk_is_paged.key))
24#else
25#define percpu_first_chunk_is_paged false
26#endif
27
28#include <asm-generic/percpu.h>
29
30#include <asm/paca.h>
31
32#endif /* _ASM_POWERPC_PERCPU_H_ */