On Thu, May 12, 2022, Paolo Bonzini wrote: > On 5/12/22 12:14, Maxim Levitsky wrote: > > Yes, this is the root cause of the TDP mmu leak I was doing debug of in the last week. > > Non working cmpxchg on which TDP mmu relies makes it install two differnt shadow pages > > under same spte. > > Awesome! And queued, thanks. If you haven't done so already, can you add Cc: stable@xxxxxxxxxxxxxxx Also, given that we have concrete proof that not honoring atomic accesses can have dire consequences for the guest, what about adding a capability to turn the emul_write path into an emulation error?
