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authorMichael S. Tsirkin <mst@redhat.com>2009-05-14 13:55:41 +0300
committerRusty Russell <rusty@rustcorp.com.au>2009-06-12 22:16:37 +0930
commit82af8ce84ed65d2fb6d8c017d3f2bbbf161061fb (patch)
treeaed59c86724c7d3f565d1c60b38d25a7bf20985b /sound
parent77cf524654a886e0fbbf03b16b44f048deef7b0c (diff)
downloadop-kernel-dev-82af8ce84ed65d2fb6d8c017d3f2bbbf161061fb.zip
op-kernel-dev-82af8ce84ed65d2fb6d8c017d3f2bbbf161061fb.tar.gz
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@redhat.com> Acked-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (+ whitespace, style)
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