1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_CURRENT_H
3 #define __ASM_CURRENT_H
4 
5 #include <linux/compiler.h>
6 
7 #ifndef __ASSEMBLY__
8 
9 struct task_struct;
10 
11 /*
12  * We don't use read_sysreg() as we want the compiler to cache the value where
13  * possible.
14  */
get_current(void)15 static __always_inline struct task_struct *get_current(void)
16 {
17 	unsigned long sp_el0;
18 
19 	asm ("mrs %0, sp_el0" : "=r" (sp_el0));
20 
21 	return (struct task_struct *)sp_el0;
22 }
23 
24 #define current get_current()
25 
26 #endif /* __ASSEMBLY__ */
27 
28 #endif /* __ASM_CURRENT_H */
29 
30