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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-09-26 12:22:01 -0400
committerDavid S. Miller <davem@davemloft.net>2011-09-27 00:48:34 -0400
commitcf177fd049d6248b8c594bd7fa3ba56313f7d405 (patch)
treec3dc97c73812268fbcb4961b668610ae626ed10f /drivers/virtio
parent2aefcad8666e0c7c1aff51c0dacc164a1b681895 (diff)
xen/pciback: Add flag indicating device has been assigned by Xen
Device drivers that create and destroy SR-IOV virtual functions via calls to pci_enable_sriov() and pci_disable_sriov can cause catastrophic failures if they attempt to destroy VFs while they are assigned to guest virtual machines. By adding a flag for use by the Xen PCI back to indicate that a device is assigned a device driver can check that flag and avoid destroying VFs while they are assigned and avoid system failures. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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