On Mon, May 30, 2022 at 8:49 AM Peter Xu wrote:
>
> On Mon, May 30, 2022 at 07:33:35PM +0800, zhenwei pi wrote:
> > A VM uses RAM of 2M huge page. Once a MCE(@HVAy in [HVAx,HVAz)) occurs, the
> > 2M([HVAx,HVAz)) of hypervisor becomes unaccessible, but the guest poisons 4K
> > (@GPAy in [GPAx, GPAz
Some points to consider:
The injected MCE has _done_ the damages to guest workload. Recovering
the guest poisoned memory doesn't help with the already happened guest
workload memory corruption / loss / interruption due to injected MCEs.
The hypervisor _must_ emulate poisons identified in guest ph