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781384
2009 May 07
1
[PATCH 3/3] virtio_pci: optional MSI-X support
This implements optional MSI-X support in virtio_pci.
MSI-X is used whenever the host supports at least 2 MSI-X
vectors: 1 for configuration changes and 1 for virtqueues.
Per-virtqueue vectors are allocated if enough vectors
available.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
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drivers/virtio/virtio_pci.c | 209 +++++++++++++++++++++++++++++++++++++------