From: Tianyu Lan
Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
to communicate with hypervisor. Map GHCB page for all
cpus to read/write MSR register and submit hvcall request
via ghcb page.
Signed-off-by: Tianyu Lan
---
Chagne since v3:
* Rename ghcb_base to hv_ghcb_pg and
From: Tianyu Lan Sent: Friday, August 27, 2021 10:21 AM
>
> Hyperv exposes GHCB page via SEV ES GHCB MSR for SNP guest
> to communicate with hypervisor. Map GHCB page for all
> cpus to read/write MSR register and submit hvcall request
> via ghcb page.
>
> Signed-off-by: Tianyu Lan
> ---
> Chagn