linux/arch/x86/include/asm/current.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_CURRENT_H
#define _ASM_X86_CURRENT_H

#include <linux/build_bug.h>
#include <linux/compiler.h>

#ifndef __ASSEMBLY__

#include <linux/cache.h>
#include <asm/percpu.h>

struct task_struct;

struct pcpu_hot { … };
static_assert(…);

DECLARE_PER_CPU_ALIGNED(struct pcpu_hot, pcpu_hot);

/* const-qualified alias to pcpu_hot, aliased by linker. */
DECLARE_PER_CPU_ALIGNED(const struct pcpu_hot __percpu_seg_override,
			const_pcpu_hot);

static __always_inline struct task_struct *get_current(void)
{ … }

#define current …

#endif /* __ASSEMBLY__ */

#endif /* _ASM_X86_CURRENT_H */