diff options
Diffstat (limited to 'arch/x86/kvm/i8254.c')
| -rw-r--r-- | arch/x86/kvm/i8254.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 4d6f0d293ee2..21f68e00524f 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c | |||
| @@ -104,6 +104,9 @@ static s64 __kpit_elapsed(struct kvm *kvm) | |||
| 104 | ktime_t remaining; | 104 | ktime_t remaining; |
| 105 | struct kvm_kpit_state *ps = &kvm->arch.vpit->pit_state; | 105 | struct kvm_kpit_state *ps = &kvm->arch.vpit->pit_state; |
| 106 | 106 | ||
| 107 | if (!ps->pit_timer.period) | ||
| 108 | return 0; | ||
| 109 | |||
| 107 | /* | 110 | /* |
| 108 | * The Counter does not stop when it reaches zero. In | 111 | * The Counter does not stop when it reaches zero. In |
| 109 | * Modes 0, 1, 4, and 5 the Counter ``wraps around'' to | 112 | * Modes 0, 1, 4, and 5 the Counter ``wraps around'' to |