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fa54595178
The mpx feature was removed from the corresponding qemu cpu models.
With mpx in the libvirt cpu models, libvirt believes the feature
to be implicitly enabled when creating qemu VMs, while in fact it is
disabled.
This became an issue when commit 94eacd5a5f introduced new vmx-*
features, of which some are dependent on mpx (see "feature_dependencies"
table in qemu target/i386/cpu.c), e.g. vmx-exit-clear-bndcfgs and
vmx-entry-load-bndcfgs. These features cannot be enabled by qemu
without also mpx being enabled, leading to the error message
error: Failed to create domain from testdomain.xml
error: operation failed: guest CPU doesn't match
specification: missing features: mpx,vmx-exit-clear-bndcfgs,
vmx-entry-load-bndcfgs
when trying to create a VM with a "host-model" cpu on a host that
does support mpx and the mentioned vmx-* features:
<domain>
...
<cpu mode='host-model' check='full' />
...
</domain>
Resolve the issue by removing mpx from libvirt's cpu models as well.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
324 lines
12 KiB
XML
324 lines
12 KiB
XML
<domainCapabilities>
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<path>/usr/bin/qemu-system-x86_64</path>
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<domain>kvm</domain>
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<machine>pc-q35-4.2</machine>
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<arch>x86_64</arch>
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<vcpu max='288'/>
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<iothreads supported='yes'/>
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<os supported='yes'>
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<enum name='firmware'>
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<value>bios</value>
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<value>efi</value>
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</enum>
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<loader supported='yes'>
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<value>/obviously/fake/firmware1.fd</value>
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<value>/obviously/fake/firmware2.fd</value>
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<enum name='type'>
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<value>rom</value>
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<value>pflash</value>
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</enum>
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<enum name='readonly'>
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<value>yes</value>
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<value>no</value>
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</enum>
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<enum name='secure'>
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<value>yes</value>
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<value>no</value>
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</enum>
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</loader>
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</os>
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<cpu>
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<mode name='host-passthrough' supported='yes'>
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<enum name='hostPassthroughMigratable'>
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<value>on</value>
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<value>off</value>
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</enum>
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</mode>
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<mode name='maximum' supported='yes'>
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<enum name='maximumMigratable'>
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<value>on</value>
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<value>off</value>
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</enum>
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</mode>
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<mode name='host-model' supported='yes'>
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<model fallback='forbid'>Skylake-Client-IBRS</model>
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<vendor>Intel</vendor>
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<maxphysaddr mode='passthrough' limit='64'/>
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<feature policy='require' name='vmx'/>
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<feature policy='require' name='hypervisor'/>
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<feature policy='require' name='ss'/>
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<feature policy='require' name='tsc_adjust'/>
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<feature policy='require' name='mpx'/>
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<feature policy='require' name='clflushopt'/>
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<feature policy='require' name='umip'/>
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<feature policy='require' name='md-clear'/>
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<feature policy='require' name='stibp'/>
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<feature policy='require' name='arch-capabilities'/>
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<feature policy='require' name='ssbd'/>
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<feature policy='require' name='xsaves'/>
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<feature policy='require' name='pdpe1gb'/>
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<feature policy='require' name='invtsc'/>
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<feature policy='require' name='skip-l1dfl-vmentry'/>
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<feature policy='require' name='pschange-mc-no'/>
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<feature policy='require' name='vmx-ins-outs'/>
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<feature policy='require' name='vmx-true-ctls'/>
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<feature policy='require' name='vmx-store-lma'/>
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<feature policy='require' name='vmx-activity-hlt'/>
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<feature policy='require' name='vmx-vmwrite-vmexit-fields'/>
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<feature policy='require' name='vmx-apicv-xapic'/>
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<feature policy='require' name='vmx-ept'/>
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<feature policy='require' name='vmx-desc-exit'/>
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<feature policy='require' name='vmx-rdtscp-exit'/>
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<feature policy='require' name='vmx-apicv-x2apic'/>
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<feature policy='require' name='vmx-vpid'/>
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<feature policy='require' name='vmx-wbinvd-exit'/>
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<feature policy='require' name='vmx-unrestricted-guest'/>
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<feature policy='require' name='vmx-rdrand-exit'/>
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<feature policy='require' name='vmx-invpcid-exit'/>
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<feature policy='require' name='vmx-vmfunc'/>
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<feature policy='require' name='vmx-shadow-vmcs'/>
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<feature policy='require' name='vmx-rdseed-exit'/>
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<feature policy='require' name='vmx-pml'/>
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<feature policy='require' name='vmx-xsaves'/>
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<feature policy='require' name='vmx-ept-execonly'/>
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<feature policy='require' name='vmx-page-walk-4'/>
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<feature policy='require' name='vmx-ept-2mb'/>
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<feature policy='require' name='vmx-ept-1gb'/>
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<feature policy='require' name='vmx-invept'/>
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<feature policy='require' name='vmx-eptad'/>
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<feature policy='require' name='vmx-invept-single-context'/>
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<feature policy='require' name='vmx-invept-all-context'/>
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<feature policy='require' name='vmx-invvpid'/>
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<feature policy='require' name='vmx-invvpid-single-addr'/>
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<feature policy='require' name='vmx-invvpid-all-context'/>
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<feature policy='require' name='vmx-intr-exit'/>
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<feature policy='require' name='vmx-nmi-exit'/>
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<feature policy='require' name='vmx-vnmi'/>
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<feature policy='require' name='vmx-preemption-timer'/>
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<feature policy='require' name='vmx-vintr-pending'/>
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<feature policy='require' name='vmx-tsc-offset'/>
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<feature policy='require' name='vmx-hlt-exit'/>
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<feature policy='require' name='vmx-invlpg-exit'/>
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<feature policy='require' name='vmx-mwait-exit'/>
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<feature policy='require' name='vmx-rdpmc-exit'/>
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<feature policy='require' name='vmx-rdtsc-exit'/>
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<feature policy='require' name='vmx-cr3-load-noexit'/>
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<feature policy='require' name='vmx-cr3-store-noexit'/>
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<feature policy='require' name='vmx-cr8-load-exit'/>
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<feature policy='require' name='vmx-cr8-store-exit'/>
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<feature policy='require' name='vmx-flexpriority'/>
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<feature policy='require' name='vmx-vnmi-pending'/>
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<feature policy='require' name='vmx-movdr-exit'/>
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<feature policy='require' name='vmx-io-exit'/>
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<feature policy='require' name='vmx-io-bitmap'/>
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<feature policy='require' name='vmx-mtf'/>
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<feature policy='require' name='vmx-msr-bitmap'/>
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<feature policy='require' name='vmx-monitor-exit'/>
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<feature policy='require' name='vmx-pause-exit'/>
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<feature policy='require' name='vmx-secondary-ctls'/>
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<feature policy='require' name='vmx-exit-nosave-debugctl'/>
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<feature policy='require' name='vmx-exit-ack-intr'/>
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<feature policy='require' name='vmx-exit-save-pat'/>
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<feature policy='require' name='vmx-exit-load-pat'/>
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<feature policy='require' name='vmx-exit-save-efer'/>
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<feature policy='require' name='vmx-exit-load-efer'/>
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<feature policy='require' name='vmx-exit-save-preemption-timer'/>
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<feature policy='require' name='vmx-entry-noload-debugctl'/>
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<feature policy='require' name='vmx-entry-ia32e-mode'/>
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<feature policy='require' name='vmx-entry-load-pat'/>
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<feature policy='require' name='vmx-entry-load-efer'/>
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<feature policy='require' name='vmx-eptp-switching'/>
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</mode>
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<mode name='custom' supported='yes'>
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<model usable='yes' vendor='unknown'>qemu64</model>
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<model usable='yes' vendor='unknown'>qemu32</model>
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<model usable='no' vendor='AMD'>phenom</model>
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<model usable='yes' vendor='unknown'>pentium3</model>
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<model usable='yes' vendor='unknown'>pentium2</model>
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<model usable='yes' vendor='unknown'>pentium</model>
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<model usable='yes' vendor='Intel'>n270</model>
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<model usable='yes' vendor='unknown'>kvm64</model>
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<model usable='yes' vendor='unknown'>kvm32</model>
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<model usable='yes' vendor='Intel'>coreduo</model>
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<model usable='yes' vendor='Intel'>core2duo</model>
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<model usable='no' vendor='AMD'>athlon</model>
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<model usable='yes' vendor='Intel'>Westmere-IBRS</model>
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<model usable='yes' vendor='Intel'>Westmere</model>
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<model usable='no' vendor='Intel'>Snowridge</model>
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<model usable='no' vendor='Intel'>Skylake-Server-noTSX-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Server-IBRS</model>
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<model usable='no' vendor='Intel'>Skylake-Server</model>
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<model usable='yes' vendor='Intel'>Skylake-Client-noTSX-IBRS</model>
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<model usable='yes' vendor='Intel'>Skylake-Client-IBRS</model>
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<model usable='yes' vendor='Intel'>Skylake-Client</model>
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<model usable='yes' vendor='Intel'>SandyBridge-IBRS</model>
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<model usable='yes' vendor='Intel'>SandyBridge</model>
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<model usable='yes' vendor='Intel'>Penryn</model>
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<model usable='no' vendor='AMD'>Opteron_G5</model>
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<model usable='no' vendor='AMD'>Opteron_G4</model>
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<model usable='no' vendor='AMD'>Opteron_G3</model>
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<model usable='yes' vendor='AMD'>Opteron_G2</model>
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<model usable='yes' vendor='AMD'>Opteron_G1</model>
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<model usable='yes' vendor='Intel'>Nehalem-IBRS</model>
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<model usable='yes' vendor='Intel'>Nehalem</model>
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<model usable='yes' vendor='Intel'>IvyBridge-IBRS</model>
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<model usable='yes' vendor='Intel'>IvyBridge</model>
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<model usable='no' vendor='Intel'>Icelake-Server-noTSX</model>
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<model usable='no' vendor='Intel'>Icelake-Server</model>
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<model usable='no' vendor='Intel'>Icelake-Client-noTSX</model>
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<model usable='no' vendor='Intel'>Icelake-Client</model>
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<model usable='yes' vendor='Intel'>Haswell-noTSX-IBRS</model>
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<model usable='yes' vendor='Intel'>Haswell-noTSX</model>
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<model usable='yes' vendor='Intel'>Haswell-IBRS</model>
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<model usable='yes' vendor='Intel'>Haswell</model>
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<model usable='no' vendor='AMD'>EPYC-IBPB</model>
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<model usable='no' vendor='AMD'>EPYC</model>
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<model usable='no' vendor='Hygon'>Dhyana</model>
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<model usable='yes' vendor='Intel'>Conroe</model>
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<model usable='no' vendor='Intel'>Cascadelake-Server-noTSX</model>
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<model usable='no' vendor='Intel'>Cascadelake-Server</model>
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<model usable='yes' vendor='Intel'>Broadwell-noTSX-IBRS</model>
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<model usable='yes' vendor='Intel'>Broadwell-noTSX</model>
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<model usable='yes' vendor='Intel'>Broadwell-IBRS</model>
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<model usable='yes' vendor='Intel'>Broadwell</model>
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<model usable='yes' vendor='unknown'>486</model>
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</mode>
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</cpu>
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<memoryBacking supported='yes'>
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<enum name='sourceType'>
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<value>file</value>
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<value>anonymous</value>
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<value>memfd</value>
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</enum>
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</memoryBacking>
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<devices>
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<disk supported='yes'>
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<enum name='diskDevice'>
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<value>disk</value>
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<value>cdrom</value>
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<value>floppy</value>
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<value>lun</value>
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</enum>
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<enum name='bus'>
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<value>fdc</value>
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<value>scsi</value>
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<value>virtio</value>
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<value>usb</value>
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<value>sata</value>
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</enum>
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<enum name='model'>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</enum>
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</disk>
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<graphics supported='yes'>
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<enum name='type'>
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<value>sdl</value>
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<value>vnc</value>
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<value>spice</value>
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<value>egl-headless</value>
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</enum>
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</graphics>
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<video supported='yes'>
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<enum name='modelType'>
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<value>vga</value>
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<value>cirrus</value>
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<value>vmvga</value>
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<value>qxl</value>
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<value>virtio</value>
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<value>none</value>
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<value>bochs</value>
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<value>ramfb</value>
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</enum>
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</video>
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<hostdev supported='yes'>
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<enum name='mode'>
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<value>subsystem</value>
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</enum>
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<enum name='startupPolicy'>
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<value>default</value>
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<value>mandatory</value>
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<value>requisite</value>
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<value>optional</value>
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</enum>
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<enum name='subsysType'>
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<value>usb</value>
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<value>pci</value>
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<value>scsi</value>
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</enum>
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<enum name='capsType'/>
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<enum name='pciBackend'>
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<value>default</value>
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<value>vfio</value>
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</enum>
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</hostdev>
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<rng supported='yes'>
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<enum name='model'>
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<value>virtio</value>
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<value>virtio-transitional</value>
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<value>virtio-non-transitional</value>
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</enum>
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<enum name='backendModel'>
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<value>random</value>
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<value>egd</value>
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<value>builtin</value>
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</enum>
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</rng>
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<filesystem supported='yes'>
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<enum name='driverType'>
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<value>path</value>
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<value>handle</value>
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<value>virtiofs</value>
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</enum>
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</filesystem>
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<tpm supported='yes'>
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<enum name='model'>
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<value>tpm-tis</value>
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<value>tpm-crb</value>
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</enum>
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<enum name='backendModel'>
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<value>passthrough</value>
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<value>emulator</value>
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<value>external</value>
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</enum>
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<enum name='backendVersion'>
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<value>1.2</value>
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</enum>
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</tpm>
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<redirdev supported='yes'>
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<enum name='bus'>
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<value>usb</value>
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</enum>
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</redirdev>
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<channel supported='yes'>
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<enum name='type'>
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<value>pty</value>
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<value>unix</value>
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<value>spicevmc</value>
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</enum>
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</channel>
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<crypto supported='yes'>
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<enum name='model'>
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<value>virtio</value>
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</enum>
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<enum name='type'>
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<value>qemu</value>
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</enum>
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<enum name='backendModel'>
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<value>builtin</value>
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</enum>
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</crypto>
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</devices>
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<features>
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<gic supported='no'/>
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<vmcoreinfo supported='yes'/>
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<genid supported='yes'/>
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<backingStoreInput supported='yes'/>
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<backup supported='no'/>
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<async-teardown supported='no'/>
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<sev supported='no'/>
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<sgx supported='no'/>
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</features>
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</domainCapabilities>
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