Files
Linux_Drivers/linux_5.10/arch/arm64/include/asm/current.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

30 lines
517 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CURRENT_H
#define __ASM_CURRENT_H
#include <linux/compiler.h>
#ifndef __ASSEMBLY__
struct task_struct;
/*
* We don't use read_sysreg() as we want the compiler to cache the value where
* possible.
*/
static __always_inline struct task_struct *get_current(void)
{
unsigned long sp_el0;
asm ("mrs %0, sp_el0" : "=r" (sp_el0));
return (struct task_struct *)sp_el0;
}
#define current get_current()
#endif /* __ASSEMBLY__ */
#endif /* __ASM_CURRENT_H */