[jira] [Commented] (CLOUDSTACK-10232) SystemVMs and VR to run as HVM on XenServer

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-10232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372065#comment-16372065 ] 

ASF GitHub Bot commented on CLOUDSTACK-10232:
---------------------------------------------

khos2ow opened a new pull request #2465: CLOUDSTACK-10232: SystemVMs and VR to run as HVM on XenServer
URL: https://github.com/apache/cloudstack/pull/2465
 
 
   Publishing boot args both to grub and xenstore-data and let
   cloud-early-config decides if the VM is in PV or HVM mode
   to read from correct source.

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> SystemVMs and VR to run as HVM on XenServer
> -------------------------------------------
>
>                 Key: CLOUDSTACK-10232
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10232
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: SystemVM, Virtual Router, XenServer
>    Affects Versions: 4.10.0.0, 4.9.3.0
>            Reporter: Pierre-Luc Dion
>            Priority: Major
>
> Following the recent Meltdown-Spectre security risk,one of the mitigation,as of Jan 2018, for XenServer Hypervisor is to run Virtual-Machine in HVM mode.
> Currently SystemVMs and Virtual-Routers run as PV on XenServer and the eth0 is configured using {{/etc/init.d/cloud-early-config}} using grub params from {{/proc/cmdline}}. When VM run as HVM, it is not possible to push initial boot instruction via pygrub.
> Quick tests has been done using xenstore and it look like it would be possible to send same initial boot instruction has pygrub but using xenstore for HVM instances.



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