Repository: cloudstack-docs-install Updated Branches: refs/heads/master 82e39091a -> 2d28149b5
kvm: update information on guest.cpu.features usage Signed-off-by: Rohit Yadav <[email protected]> Project: http://git-wip-us.apache.org/repos/asf/cloudstack-docs-install/repo Commit: http://git-wip-us.apache.org/repos/asf/cloudstack-docs-install/commit/2d28149b Tree: http://git-wip-us.apache.org/repos/asf/cloudstack-docs-install/tree/2d28149b Diff: http://git-wip-us.apache.org/repos/asf/cloudstack-docs-install/diff/2d28149b Branch: refs/heads/master Commit: 2d28149b5a16f59b646b9272d850d8f3b81d32c3 Parents: 82e3909 Author: Rohit Yadav <[email protected]> Authored: Tue Apr 28 21:26:14 2015 +0200 Committer: Rohit Yadav <[email protected]> Committed: Tue Apr 28 21:26:14 2015 +0200 ---------------------------------------------------------------------- source/hypervisor/kvm.rst | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cloudstack-docs-install/blob/2d28149b/source/hypervisor/kvm.rst ---------------------------------------------------------------------- diff --git a/source/hypervisor/kvm.rst b/source/hypervisor/kvm.rst index fbf24bf..3e1c7a9 100644 --- a/source/hypervisor/kvm.rst +++ b/source/hypervisor/kvm.rst @@ -180,12 +180,13 @@ CPU model: For the most part it will be sufficient for the host administrator to specify the guest CPU config in the per-host configuration file (/etc/cloudstack/agent/agent.properties). This will be achieved by -introducing two new configuration parameters: +introducing following configuration parameters: .. sourcecode:: bash guest.cpu.mode=custom|host-model|host-passthrough guest.cpu.model=from /usr/share/libvirt/cpu_map.xml(only valid when guest.cpu.mode=custom) + guest.cpu.features=vmx ept aes smx mmx ht (space separated list of cpu flags to apply) There are three choices to fulfill the cpu model changes: @@ -227,11 +228,13 @@ Here are some examples: .. sourcecode:: bash guest.cpu.mode=host-passthrough + guest.cpu.features=vmx .. note:: host-passthrough may lead to migration failure,if you have this problem, - you should use host-model or custom - + you should use host-model or custom. guest.cpu.features will force cpu features + as a required policy so make sure to put only those features that are provided + by the host CPU. Install and Configure libvirt ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
