On 06/05/2012 09:27 PM, Matthias Lange wrote: > On Tue, Jun 05, 2012 at 04:09:30PM +0300, Avi Kivity wrote: >> On 06/05/2012 02:59 PM, Matthias Lange wrote: >> > Do you mean the ABI defined in the Intel Software Developer's manual 3B? Or is >> > vmcs12 only an ABI internal to the kvm module? >> >> The latter. We want to be able to live migrate a guest with nested >> guests, and if the format of vmcs12 changes, the migration will break. > > I'm trying to understand how the migration is implemented in kvm. Can you > point me to some sort of documentation or pieces of code where I can start > digging through the mechanism? >From kvm's point of view, it's just KVM_GET_REGS (and KVM_GET_SREGS, etc.) from the source, followed by KVM_SET_REGS (etc.) on the target. KVM_GET_DIRTY_LOG makes the migration live. -- error compiling committee.c: too many arguments to function -- 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
