On Wed, Feb 08, 2012 at 01:56:46PM -0200, Marcelo Tosatti wrote:
> On Wed, Feb 08, 2012 at 04:18:48PM +0100, Joerg Roedel wrote:
> > This is not going to work when tsc-scaling is enabled. The
> > adjust_tsc_offset_host() function just scales the offset the same way
> > the tsc is scaled. But that
On Wed, Feb 08, 2012 at 04:18:48PM +0100, Joerg Roedel wrote:
> On Fri, Feb 03, 2012 at 03:43:56PM -0200, Marcelo Tosatti wrote:
> > + if (backwards_tsc) {
> > + u64 delta_cyc = max_tsc - local_tsc;
> > + list_for_each_entry(kvm, &vm_list, vm_list) {
> > + kv
On Fri, Feb 03, 2012 at 03:43:56PM -0200, Marcelo Tosatti wrote:
> + if (backwards_tsc) {
> + u64 delta_cyc = max_tsc - local_tsc;
> + list_for_each_entry(kvm, &vm_list, vm_list) {
> + kvm_for_each_vcpu(i, vcpu, kvm) {
> +
From: Zachary Amsden
During a host suspend, TSC may go backwards, which KVM interprets
as an unstable TSC. Technically, KVM should not be marking the
TSC unstable, which causes the TSC clocksource to go bad, but we
need to be adjusting the TSC offsets in such a case.
Dealing with this issue is
