Re: [PATCH 40/70] x86/sev-es: Setup per-cpu GHCBs for the runtime handler

Joerg Roedel
2020-04-15T15:54:36Z

On Tue, Apr 14, 2020 at 03:04:42PM -0500, Tom Lendacky wrote:
> At that point the guest won't be able to communicate with the hypervisor,
> too. Maybe we should BUG() here to terminate further processing?

We could talk to the hypervisor, there is still the boot-GHCB in the
bss-decrypted section. But there is nothing that could be done here
anyway besides terminating the guest.

Regards,

Joerg