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