If kvm_irqchip_in_kernel() return true, irq line interrupt can be
injected with API kvm_set_irq() to KVM.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---
 hw/intc/loongarch_pch_pic.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c
index 5ac035d8b8..bd070e10ab 100644
--- a/hw/intc/loongarch_pch_pic.c
+++ b/hw/intc/loongarch_pch_pic.c
@@ -49,6 +49,11 @@ static void pch_pic_irq_handler(void *opaque, int irq, int level)
     assert(irq < s->irq_num);
     trace_loongarch_pch_pic_irq_handler(irq, level);
 
+    if (kvm_irqchip_in_kernel()) {
+        kvm_set_irq(kvm_state, irq, !!level);
+        return;
+    }
+
     if (s->intedge & mask) {
         /* Edge triggered */
         if (level) {
-- 
2.39.3