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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Dear Laurentiu,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Please check below info since assume your CentOS7 box CPU processor already VT supported in advance.<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif'>Checkpoint #1: Hardware and Kernel modules<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif'>cat /proc/cpuinfo | grep vmx<o:p></o:p></span></p><pre style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-family:"Arial Unicode MS",sans-serif'>cat /sys/module/kvm_intel/parameters/nested (if “N” then go to checkpoint #2)<o:p></o:p></span></pre><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-size:10.0pt;font-family:"Arial Unicode MS",sans-serif;color:#1F497D'>Checkpoint #2: Assume your CentOS box support<o:p></o:p></span></p><pre style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><i><span style='font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'>     </span></span></span></i><![endif]><em><span style='font-family:"Arial Unicode MS",sans-serif;font-style:normal'>echo 'options kvm-intel nested=y' >> /etc/modprobe.d/</span></em><span class=skimlinks-unlinked><span style='font-family:"Arial Unicode MS",sans-serif'>dist.conf</span></span><i><span style='font-family:"Arial Unicode MS",sans-serif'><o:p></o:p></span></i></pre><pre style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-family:"Arial Unicode MS",sans-serif'>modprobe kvm-intel<o:p></o:p></span></pre><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>3)<span style='font:7.0pt "Times New Roman"'>      </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Checkpoint #3: Verification<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>a.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Reboot yout CentOS box<o:p></o:p></span></p><pre style='margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Arial Unicode MS",sans-serif'><span style='mso-list:Ignore'>b.<span style='font:7.0pt "Times New Roman"'>     </span></span></span><![endif]><span style='font-family:"Arial Unicode MS",sans-serif'>cat /sys/module/kvm_intel/parameters/nested (if “Y” then you can carry one process the KVM installation.<o:p></o:p></span></pre><pre><span style='font-family:"Arial Unicode MS",sans-serif'>               <o:p></o:p></span></pre><pre><span style='font-family:"Arial Unicode MS",sans-serif'>PS: Source: <a href="https://lalatendu.org/2015/11/01/kvm-nested-virtualization-in-fedora-23/">https://lalatendu.org/2015/11/01/kvm-nested-virtualization-in-fedora-23/</a> which should be very similar with CentOS and CentOS 7 already capable with on with KVM Nested EPT with CPU pass-through options supported. Hope that helps & cheers!!<o:p></o:p></span></pre><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Xlord<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> centos-virt-bounces@centos.org [mailto:centos-virt-bounces@centos.org] <b>On Behalf Of </b>Laurentiu Soica<br><b>Sent:</b> Thursday, August 4, 2016 3:07 AM<br><b>To:</b> centos-virt@centos.org<br><b>Subject:</b> [CentOS-virt] Centos 7 newer kernel needed<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello, <br><br>I am looking for a Linux kernel for Centos 7 that implements a feature introduced in kernel version 3.12:<br><br>"nested EPT support to KVM's nested VMX."<br><br>If anyone has used this feature with Centos 7, please let me know. <br><br>Laurentiu <o:p></o:p></p></div></body></html>