diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 57765be69bea..c146417b8178 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -50,6 +50,11 @@ static u32 kvm_pmu_event_mask(struct kvm *kvm)
  * @select_idx: The counter index
  */
 static bool kvm_pmu_idx_is_64bit(struct kvm_vcpu *vcpu, u64 select_idx)
+{
+	return (select_idx == ARMV8_PMU_CYCLE_IDX);
+}
+
+static bool kvm_pmu_idx_has_64bit_overflow(struct kvm_vcpu *vcpu, u64 select_idx)
 {
 	return (select_idx == ARMV8_PMU_CYCLE_IDX &&
 		__vcpu_sys_reg(vcpu, PMCR_EL0) & ARMV8_PMU_PMCR_LC);
@@ -57,7 +62,8 @@ static bool kvm_pmu_idx_is_64bit(struct kvm_vcpu *vcpu, u64 select_idx)
 
 static bool kvm_pmu_counter_can_chain(struct kvm_vcpu *vcpu, u64 idx)
 {
-	return (!(idx & 1) && (idx + 1) < ARMV8_PMU_CYCLE_IDX);
+	return (!(idx & 1) && (idx + 1) < ARMV8_PMU_CYCLE_IDX &&
+		!kvm_pmu_idx_has_64bit_overflow(vcpu, idx));
 }
 
 static struct kvm_vcpu *kvm_pmc_to_vcpu(struct kvm_pmc *pmc)
@@ -97,7 +103,7 @@ u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx)
 		counter += perf_event_read_value(pmc->perf_event, &enabled,
 						 &running);
 
-	if (select_idx != ARMV8_PMU_CYCLE_IDX)
+	if (!kvm_pmu_idx_is_64bit(vcpu, select_idx))
 		counter = lower_32_bits(counter);
 
 	return counter;
@@ -423,6 +429,23 @@ static void kvm_pmu_counter_increment(struct kvm_vcpu *vcpu,
 	}
 }
 
+/* Compute the sample period for a given counter value */
+static u64 compute_period(struct kvm_vcpu *vcpu, u64 select_idx, u64 counter)
+{
+	u64 val;
+
+	if (kvm_pmu_idx_is_64bit(vcpu, select_idx)) {
+		if (!kvm_pmu_idx_has_64bit_overflow(vcpu, select_idx))
+			val = -(counter & GENMASK(31, 0));
+		else
+			val = (-counter) & GENMASK(63, 0);
+	} else {
+		val = (-counter) & GENMASK(31, 0);
+	}
+
+	return val;
+}
+
 /**
  * When the perf event overflows, set the overflow status and inform the vcpu.
  */
@@ -442,10 +465,7 @@ static void kvm_pmu_perf_overflow(struct perf_event *perf_event,
 	 * Reset the sample period to the architectural limit,
 	 * i.e. the point where the counter overflows.
 	 */
-	period = -(local64_read(&perf_event->count));
-
-	if (!kvm_pmu_idx_is_64bit(vcpu, pmc->idx))
-		period &= GENMASK(31, 0);
+	period = compute_period(vcpu, idx, local64_read(&perf_event->count));
 
 	local64_set(&perf_event->hw.period_left, 0);
 	perf_event->attr.sample_period = period;
@@ -571,14 +591,13 @@ static void kvm_pmu_create_perf_event(struct kvm_vcpu *vcpu, u64 select_idx)
 
 	/*
 	 * If counting with a 64bit counter, advertise it to the perf
-	 * code, carefully dealing with the initial sample period.
+	 * code, carefully dealing with the initial sample period
+	 * which also depends on the overflow.
 	 */
-	if (kvm_pmu_idx_is_64bit(vcpu, select_idx)) {
+	if (kvm_pmu_idx_is_64bit(vcpu, select_idx))
 		attr.config1 |= PERF_ATTR_CFG1_COUNTER_64BIT;
-		attr.sample_period = (-counter) & GENMASK(63, 0);
-	} else {
-		attr.sample_period = (-counter) & GENMASK(31, 0);
-	}
+
+	attr.sample_period = compute_period(vcpu, select_idx, counter);
 
 	event = perf_event_create_kernel_counter(&attr, -1, current,
 						 kvm_pmu_perf_overflow, pmc);