From: Yang Zhang <yang.z.zhang@xxxxxxxxx>
Update RTC interrrupt's destination vcpu map when ioapic entry of RTC
or apic register (id, ldr, dfr) is changed.
Signed-off-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>
---
virt/kvm/ioapic.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index ddf9414..91b4c08 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -121,6 +121,7 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu,
{
struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic;
union kvm_ioapic_redirect_entry *e;
+ unsigned long *rtc_map = ioapic->rtc_status.vcpu_map;
struct kvm_lapic_irq irqe;
int index;
@@ -130,15 +131,19 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu,
if (!e->fields.mask &&
(e->fields.trig_mode == IOAPIC_LEVEL_TRIG ||
kvm_irq_has_notifier(ioapic->kvm, KVM_IRQCHIP_IOAPIC,
- index))) {
+ index) || index == 8)) {
irqe.dest_id = e->fields.dest_id;
irqe.vector = e->fields.vector;
irqe.dest_mode = e->fields.dest_mode;
irqe.shorthand = 0;
if (kvm_apic_match_dest(vcpu, NULL, irqe.shorthand,
- irqe.dest_id, irqe.dest_mode))
+ irqe.dest_id, irqe.dest_mode)) {
__set_bit(irqe.vector, eoi_exit_bitmap);
+ if (index == 8)
+ __set_bit(vcpu->vcpu_id, rtc_map);
+ } else if (index == 8)
+ __clear_bit(vcpu->vcpu_id, rtc_map);
}
}
spin_unlock(&ioapic->lock);
--
1.7.1
--
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