File: current.h

package info (click to toggle)
linux 6.18.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,742,780 kB
  • sloc: ansic: 26,780,494; asm: 272,079; sh: 148,752; python: 79,241; makefile: 57,741; perl: 36,527; xml: 19,542; cpp: 5,911; yacc: 4,939; lex: 2,950; awk: 1,607; sed: 30; ruby: 25
file content (32 lines) | stat: -rw-r--r-- 761 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* 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 __ASSEMBLER__

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

struct task_struct;

DECLARE_PER_CPU_CACHE_HOT(struct task_struct *, current_task);
/* const-qualified alias provided by the linker. */
DECLARE_PER_CPU_CACHE_HOT(struct task_struct * const __percpu_seg_override,
			  const_current_task);

static __always_inline struct task_struct *get_current(void)
{
	if (IS_ENABLED(CONFIG_USE_X86_SEG_SUPPORT))
		return this_cpu_read_const(const_current_task);

	return this_cpu_read_stable(current_task);
}

#define current get_current()

#endif /* __ASSEMBLER__ */

#endif /* _ASM_X86_CURRENT_H */