include/asm/vtime.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _S390_VTIME_H
0003 #define _S390_VTIME_H
0004
0005 #define __ARCH_HAS_VTIME_TASK_SWITCH
0006
0007 static inline void update_timer_sys(void)
0008 {
0009     S390_lowcore.system_timer += S390_lowcore.last_update_timer - S390_lowcore.exit_timer;
0010     S390_lowcore.user_timer += S390_lowcore.exit_timer - S390_lowcore.sys_enter_timer;
0011     S390_lowcore.last_update_timer = S390_lowcore.sys_enter_timer;
0012 }
0013
0014 static inline void update_timer_mcck(void)
0015 {
0016     S390_lowcore.system_timer += S390_lowcore.last_update_timer - S390_lowcore.exit_timer;
0017     S390_lowcore.user_timer += S390_lowcore.exit_timer - S390_lowcore.mcck_enter_timer;
0018     S390_lowcore.last_update_timer = S390_lowcore.mcck_enter_timer;
0019 }
0020
0021 #endif /* _S390_VTIME_H */