Thanks, Jan and Paolo! Great! It helps solve the problem. Sincerely, Hai On Thu, Jan 16, 2014 at 12:09 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > Il 16/01/2014 17:10, duy hai nguyen ha scritto: >> Dear All, >> >> I am having a problem with using nested EPT in my system: In L0 >> hypervisor CPUs support vmx and ept; however, L1 hypervisor's CPUs do >> not have ept capability. Flag 'ept' appears in /proc/cpuinfo of L0 but >> does not show in that of L1. >> >> - 'Nested' and 'EPT' are enabled in L0: >> >> $cat /sys/module/kvm_intel/parameters/nested >> Y >> >> $cat /sys/module/kvm_intel/parameters/ept >> Y >> >> - The libvirt xml file used in L0 has this cpu configuration: >> >> <cpu mode='host-passthrough'/> >> >> - The kernel version I am using for both L0 and L1 is 3.9.11 > > Nested EPT was added in 3.12. You need that version in L0. > > Paolo > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
