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-rw-r--r--hw/virtio-pci.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index df27c198b0..ca5923c495 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -83,11 +83,6 @@
/* Flags track per-device state like workarounds for quirks in older guests. */
#define VIRTIO_PCI_FLAG_BUS_MASTER_BUG (1 << 0)
-/* Performance improves when virtqueue kick processing is decoupled from the
- * vcpu thread using ioeventfd for some devices. */
-#define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
-#define VIRTIO_PCI_FLAG_USE_IOEVENTFD (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
-
/* QEMU doesn't strictly need write barriers since everything runs in
* lock-step. We'll leave the calls to wmb() in though to make it obvious for
* KVM or if kqemu gets SMP support.