Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-27 Thread Paolo Bonzini
> >> > >> oh great! do we suppport EPT, VCMS shadow yet? > > > > No nested page tables, and VMCS shadow is only supported by Intel > > processors not AMD. > > Oh, I always think that without EPT, it would not be possible to have > nested VMX. Am I wrong here? No, it's just slower. The nested hyp

Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-27 Thread Jun Koi
On Sun, Apr 27, 2014 at 3:05 PM, Paolo Bonzini wrote: > Il 27/04/2014 04:33, Jun Koi ha scritto: > >> >> >> >> On Sat, Apr 26, 2014 at 4:50 PM, Paolo Bonzini > > wrote: >> >> Il 25/04/2014 20:13, Shehbaz Jaffer ha scritto: >> >> Hi, >> >> Are you ta

Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-27 Thread Paolo Bonzini
Il 27/04/2014 04:33, Jun Koi ha scritto: On Sat, Apr 26, 2014 at 4:50 PM, Paolo Bonzini mailto:pbonz...@redhat.com>> wrote: Il 25/04/2014 20:13, Shehbaz Jaffer ha scritto: Hi, Are you talking about running KVM(hardware virtualization) enabled support on top of a

Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-26 Thread Jun Koi
On Sat, Apr 26, 2014 at 4:50 PM, Paolo Bonzini wrote: > Il 25/04/2014 20:13, Shehbaz Jaffer ha scritto: > > Hi, >> >> Are you talking about running KVM(hardware virtualization) enabled >> support on top of a Linux host running on only QEMU (software >> virtualization)? I doubt if this is nesting

Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-26 Thread Paolo Bonzini
Il 25/04/2014 20:13, Shehbaz Jaffer ha scritto: Hi, Are you talking about running KVM(hardware virtualization) enabled support on top of a Linux host running on only QEMU (software virtualization)? I doubt if this is nesting is possible. To be sure, you can check for the following flags on your

Re: [Qemu-devel] Running KVM inside pure Qemu?

2014-04-25 Thread Shehbaz Jaffer
Hi, Are you talking about running KVM(hardware virtualization) enabled support on top of a Linux host running on only QEMU (software virtualization)? I doubt if this is nesting is possible. To be sure, you can check for the following flags on your host: cat /proc/cpuinfo | grep -e svm -e vmx If e

[Qemu-devel] Running KVM inside pure Qemu?

2014-04-24 Thread Jun Koi
Hi, On Qemu 2.0, what commandline options should I use to run KVM (nested VM) inside pure emulator Qemu? Any guideline available onthis would be very helpful. Thanks so much, Jun