diff options
| -rw-r--r-- | arch/powerpc/kernel/time.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index c0d77723ba11..a925a8eae121 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -241,8 +241,9 @@ void account_system_vtime(struct task_struct *tsk) /* deltascaled includes both user and system time. * Hence scale it based on the purr ratio to estimate * the system time */ - deltascaled = deltascaled * get_paca()->system_time / - (get_paca()->system_time + get_paca()->user_time); + if (get_paca()->user_time) + deltascaled = deltascaled * get_paca()->system_time / + (get_paca()->system_time + get_paca()->user_time); delta += get_paca()->system_time; get_paca()->system_time = 0; } |