Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __ASM_CURRENT_H
2#define __ASM_CURRENT_H
3
4#include <linux/compiler.h>
5
6#include <asm/sysreg.h>
7
8#ifndef __ASSEMBLY__
9
10struct task_struct;
11
12/*
13 * We don't use read_sysreg() as we want the compiler to cache the value where
14 * possible.
15 */
16static __always_inline struct task_struct *get_current(void)
17{
18 unsigned long sp_el0;
19
20 asm ("mrs %0, sp_el0" : "=r" (sp_el0));
21
22 return (struct task_struct *)sp_el0;
23}
24
25#define current get_current()
26
27#endif /* __ASSEMBLY__ */
28
29#endif /* __ASM_CURRENT_H */
30