5:49 p.m.
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Is it possible to pass the vmx extension to a guest? Is that what the vhost custom
property is for?
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<html><body><div style="font-family: times new roman, new york, times,
serif; font-size: 12pt; color: #000000"><div>Is it possible to pass the vmx
extension to a guest? Is that what the vhost custom property is for?<br
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3:27 a.m.
New subject: CPU Flags
On Thu, Jun 26, 2014 at 06:49:00PM -0400, Maurice James wrote:
Is it possible to pass the vmx extension to a guest?
Yes, but you need nested kvm support in the host (which is not available
in stock el6), and to install the "nestedvt" hook. More about it in
http://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/
Is that what the vhost custom property is for?
Nope, that's to turn off a certain type of vNIC optimization that used
to be detrimental to certain guests.
7:14 a.m.
New subject: Spam Re: CPU Flags
Is there anything else that I need to do beside installing those vdsm hooks? I ask because
you said that its not available in stock el6
----- Original Message -----
From: "Dan Kenigsberg" <danken(a)redhat.com>
To: "Maurice James" <mjames(a)media-node.com>
Cc: "users" <users(a)ovirt.org>
Sent: Friday, June 27, 2014 4:27:50 AM
Subject: Re: [ovirt-users] CPU Flags
On Thu, Jun 26, 2014 at 06:49:00PM -0400, Maurice James wrote:
Is it possible to pass the vmx extension to a guest?
Yes, but you need nested kvm support in the host (which is not available
in stock el6), and to install the "nestedvt" hook. More about it in
http://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/
Is that what the vhost custom property is for?
Nope, that's to turn off a certain type of vNIC optimization that used
to be detrimental to certain guests.
7:43 a.m.
New subject: Spam Re: CPU Flags
well on el6 this won't work, due to missing support of passing on the
nested-vt flag, you could run a newer libvirt/kvm version on your el6
installation, if you really want/need this, but I would not encourage
you to do so.
Am 27.06.2014 14:14, schrieb Maurice James:
Is there anything else that I need to do beside installing those vdsm
hooks? I ask because you said that its not available in stock el6
--
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1:15 p.m.
New subject: Spam Re: CPU Flags
On 06/27/2014 09:14 AM, Maurice James wrote:
Is there anything else that I need to do beside installing those vdsm
hooks? I ask because you said that its not available in stock el6
You need to check if nested KVM support is enabled on your machine
cat /sys/module/kvm_intel/parameters/nested
If the answer is "N":
echo "options kvm-intel nested=1" > /etc/modprobe.d/kvm-intel.conf
Then reboot. This and vdsm-hook-nestedvt package should be enough.
----- Original Message -----
From: "Dan Kenigsberg" <danken(a)redhat.com>
To: "Maurice James" <mjames(a)media-node.com>
Cc: "users" <users(a)ovirt.org>
Sent: Friday, June 27, 2014 4:27:50 AM
Subject: Re: [ovirt-users] CPU Flags
On Thu, Jun 26, 2014 at 06:49:00PM -0400, Maurice James wrote:
> Is it possible to pass the vmx extension to a guest?
Yes, but you need nested kvm support in the host (which is not available
in stock el6), and to install the "nestedvt" hook. More about it in
http://community.redhat.com/blog/2013/08/testing-ovirt-3-3-with-nested-kvm/
> Is that what the vhost custom property is for?
Nope, that's to turn off a certain type of vNIC optimization that used
to be detrimental to certain guests.
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4 comments
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participants (4)
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Amador Pahim -
Dan Kenigsberg -
Maurice James -
Sven Kieske