From 07fb8bb29f5269f30afa6f1b3d941406677f6ad2 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Sun, 5 Jul 2009 21:27:58 +0300
Subject: [PATCH] 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: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
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