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b66d1bef14
QEMU supports a bunch of CPUID features that are tied to the kvm CPUID nodes rather than the processor's. They are "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvm_asyncpf". These are not known to libvirt and their CPUID leaf might move if (for example) the Hyper-V extensions are enabled. Hence their handling would anyway require some special-casing. However, among these the most useful is kvmclock; an additional "property" of this feature is that a <timer> element is a better model than a CPUID feature. Although, creating part of the -cpu command-line from something other than the <cpu> XML element introduces some ugliness. Reviewed-by: Jiri Denemark <jdenemar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
24 lines
592 B
XML
24 lines
592 B
XML
<domain type='kvm'>
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<name>QEMUGuest1</name>
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<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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<memory>219100</memory>
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<currentMemory>219100</currentMemory>
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<vcpu>6</vcpu>
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<os>
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<type arch='x86_64' machine='pc'>hvm</type>
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<boot dev='network'/>
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</os>
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<cpu mode='host-passthrough'>
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</cpu>
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<clock offset='utc'>
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<timer name='kvmclock' present='no'/>
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</clock>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>destroy</on_crash>
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<devices>
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<emulator>/./qemu.sh</emulator>
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<memballoon model='virtio'/>
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</devices>
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</domain>
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