delivery_mode of kvm_ioapic_redirect_entry, is 3 bits width
value, should be shifted 8bits when check with APIC_DM_FIXED
whose value bits are from bit 8 to bit 10. although it works
because APIC_DM_FIXED is zero
Signed-off-by: Li RongQing <lirongqing@xxxxxxxxx>
---
arch/x86/kvm/ioapic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index d057376bd3d3..43e23b0003d6 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -375,7 +375,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG
&& ioapic->irr & (1 << index))
ioapic_service(ioapic, index, false);
- if (e->fields.delivery_mode == APIC_DM_FIXED) {
+ if ((e->fields.delivery_mode << 8) == APIC_DM_FIXED) {
struct kvm_lapic_irq irq;
irq.vector = e->fields.vector;
--
2.16.2
