Bug 796527 - RFE add support for cpu mode='host-model' and/or mode='host-passthrough'
Summary: RFE add support for cpu mode='host-model' and/or mode='host-passthrough'
Keywords:
Status: CLOSED UPSTREAM
Alias: None
Product: Virtualization Tools
Classification: Community
Component: virt-manager
Version: unspecified
Hardware: Unspecified
OS: Unspecified
high
medium
Target Milestone: ---
Assignee: Cole Robinson
QA Contact:
URL:
Whiteboard:
Depends On: 700272
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-02-23 06:05 UTC by Min Zhan
Modified: 2014-07-06 19:31 UTC (History)
15 users (show)

Fixed In Version:
Clone Of: 700272
Environment:
Last Closed: 2014-01-17 22:52:50 UTC
Embargoed:

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Comment 1 Cole Robinson 2014-01-17 22:52:50 UTC 
host-passthrough won't ever be explicitly exposed in the virt-manager UI, because libvirt taints the VM in that case. We have a UI button for 'copy host CPU' that is very close to host-model. We don't explicitly allow host-model yet since it has some issues, enumerated here:

https://bugzilla.redhat.com/show_bug.cgi?id=1055002

Upstream now also has UI to allow choosing the default CPU value for all new VMs: it defaults to the nearest host cpu model (similar to vdsm, as a tradeoff between performance and migrate compat), but provides an option for the host-model like behavior suggested above. I think that's sufficient to close this bug
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