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9358b63a0d
The qemuDomainHelperGetVcpus attempted to report an error when the vcpupids info was NULL. Unfortunately earlier code would clamp the value of 'maxinfo' to 0 when nvcpupids was 0, so the error reporting would end up being skipped. This lead to 'virsh vcpuinfo <dom>' just returning an empty list instead of giving the user a clear error.
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>