diff options
Diffstat (limited to 'arch/s390/kernel/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 7147f3e51ace..79a45efae23d 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -379,8 +379,19 @@ SYM_CODE_END(pgm_check_handler) SYM_CODE_START(\name) STMG_LC %r8,%r15,__LC_SAVE_AREA GET_LC %r13 +#ifdef CONFIG_NO_HZ_COMMON + larl %r12,kernel_cpustat + ag %r12,__LC_PERCPU_OFFSET(%r13) + asi __KCPUSTAT_SEQUENCE(%r12),1 +#endif stcke __LC_INT_CLOCK(%r13) stpt __LC_SYS_ENTER_TIMER(%r13) + larl %r10,s390_idle + ag %r10,__LC_PERCPU_OFFSET(%r13) + mvc __IDLE_CLOCK_EXIT(16,%r10),__LC_INT_CLOCK(%r13) +#ifdef CONFIG_NO_HZ_COMMON + asi __KCPUSTAT_SEQUENCE(%r12),1 +#endif STBEAR __LC_LAST_BREAK(%r13) BPOFF lmg %r8,%r9,\lc_old_psw(%r13) @@ -407,7 +418,6 @@ SYM_CODE_START(\name) xgr %r5,%r5 xgr %r6,%r6 xgr %r7,%r7 - xgr %r10,%r10 xgr %r12,%r12 xc __PT_FLAGS(8,%r11),__PT_FLAGS(%r11) mvc __PT_R8(64,%r11),__LC_SAVE_AREA(%r13) |