Commit 07fb8bb2 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Avi Kivity
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KVM: ignore msi request if !level 



Irqfd sets level for interrupt to 1 and then to 0.
For MSI, check level so that a single message is sent.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent f7c6d140

virt/kvm/irq_comm.c

+3 −1
Original line number Diff line number Diff line
@@ -139,7 +139,9 @@ int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level) 
		else

			clear_bit(irq_source_id, irq_state);

		sig_level = !!(*irq_state);

	} else /* Deal with MSI/MSI-X */

	} else if (!level)

		return ret;

	else /* Deal with MSI/MSI-X */

		sig_level = 1;



	/* Not possible to detect if the guest uses the PIC or the