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a88916665d
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=664059 Reattaching pci device back to host without destroying guest or detaching device from guest would cause host to crash. This patch adds a check before doing device reattach. If the device is being assigned to guest, libvirt refuses to reattach device to host. The patch only works for Xen, for it just checks xenstore to get pci device information. Signed-off-by: Yufang Zhang <yuzhang@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>