From: Marcelo Tosatti <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
Signed-off-by: Sheng Yang <[email protected]>
---
qemu/hw/device-assignment.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
index 7c73210..19848b4 100644
--- a/qemu/hw/device-assignment.c
+++ b/qemu/hw/device-assignment.c
@@ -536,6 +536,14 @@ static int assign_irq(AssignedDevInfo *adev)
calc_assigned_dev_id(dev->h_busnr, dev->h_devfn);
assigned_irq_data.guest_irq = irq;
assigned_irq_data.host_irq = dev->real_device.irq;
+#ifdef KVM_CAP_ASSIGN_DEV_IRQ
+ assigned_irq_data.flags = KVM_DEV_IRQ_HOST_INTX | KVM_DEV_IRQ_GUEST_INTX;
+ r = kvm_deassign_irq(kvm_context, &assigned_irq_data);
+ /* -ENXIO means no assigned irq */
+ if (r && r != -ENXIO)
+ perror("assign_irq: deassign");
+#endif
+
r = kvm_assign_irq(kvm_context, &assigned_irq_data);
if (r < 0) {
fprintf(stderr, "Failed to assign irq for \"%s\": %s\n",
--
1.5.4.5
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