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The code in qemuDomainObjPrivateXMLParseVcpu for parsing the 'idstr' string was comparing the overall boolean result against 0 which was always true qemu/qemu_domain.c: In function 'qemuDomainObjPrivateXMLParseVcpu': qemu/qemu_domain.c:1482:59: error: comparison of constant '0' with boolean expression is always false [-Werror=bool-compare] if ((idstr && virStrToLong_uip(idstr, NULL, 10, &idx)) < 0 || ^ It was further performing two distinct error checks in the same conditional and reporting a single error message, which was misleading in one of the two cases. This splits the conditional check into two parts with distinct error messages and fixes the logic error. Fixes the bug in commit 5184f398b40a5e0d7d84b86182edcb2b48ab04ba Author: Peter Krempa <pkrempa@redhat.com> Date: Fri Jul 1 14:56:14 2016 +0200 qemu: Store vCPU thread ids in vcpu private data objects Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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