[PATCH V4 01/13] x86/hyperv: Initialize GHCB page in Isolation VM

2021-08-27 Thread Tianyu Lan
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

RE: [PATCH V4 01/13] x86/hyperv: Initialize GHCB page in Isolation VM

2021-09-01 Thread Michael Kelley via iommu
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