Re: Ring privilege of host linux kernel

2013-03-08 Thread Min Li
On 03/08/2013 06:42 AM, Gleb Natapov wrote: On Thu, Mar 07, 2013 at 10:56:34PM -0500, l...@mymail.vcu.edu wrote: As we have known, in KVM full virtualization, guest VM is running in non-root mode and KVM is running in root mode. While, in non-root mode, guest kernel is running in Ring 0 and Apps

Re: Ring privilege of host linux kernel

2013-03-08 Thread Gleb Natapov
On Thu, Mar 07, 2013 at 10:56:34PM -0500, l...@mymail.vcu.edu wrote: > As we have known, in KVM full virtualization, guest VM is running in > non-root mode and KVM is running in root mode. While, in non-root > mode, guest kernel is running in Ring 0 and Apps are running in Ring > 3. However, what

Ring privilege of host linux kernel

2013-03-07 Thread l...@mymail.vcu.edu
As we have known, in KVM full virtualization, guest VM is running in non-root mode and KVM is running in root mode. While, in non-root mode, guest kernel is running in Ring 0 and Apps are running in Ring 3. However, what about the ring privilege for host linux? In my knowledge, host linux is