xref: /openbmc/linux/arch/s390/include/asm/vtime.h (revision 56e62a73) 
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _S390_VTIME_H
3 #define _S390_VTIME_H
4 
5 #define __ARCH_HAS_VTIME_TASK_SWITCH
6 
update_timer_sys(void)7 static inline void update_timer_sys(void)
8 {
9 	S390_lowcore.system_timer += S390_lowcore.last_update_timer - S390_lowcore.exit_timer;
10 	S390_lowcore.user_timer += S390_lowcore.exit_timer - S390_lowcore.sys_enter_timer;
11 	S390_lowcore.last_update_timer = S390_lowcore.sys_enter_timer;
12 }
13 
update_timer_mcck(void)14 static inline void update_timer_mcck(void)
15 {
16 	S390_lowcore.system_timer += S390_lowcore.last_update_timer - S390_lowcore.exit_timer;
17 	S390_lowcore.user_timer += S390_lowcore.exit_timer - S390_lowcore.mcck_enter_timer;
18 	S390_lowcore.last_update_timer = S390_lowcore.mcck_enter_timer;
19 }
20 
21 #endif /* _S390_VTIME_H */
22