| commit | 0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a | [log] [tgz] |
|---|---|---|
| author | Tianyu Lan <Tianyu.Lan@microsoft.com> | Mon Oct 25 08:21:06 2021 -0400 |
| committer | Wei Liu <wei.liu@kernel.org> | Thu Oct 28 10:47:52 2021 +0000 |
| tree | 6b38683b18f98bd2a5950149d5d2d29793833cdb | |
| parent | e82f2069b52fb350f4ea568957dcc5c9f3649999 [diff] |
x86/hyperv: Initialize GHCB page in Isolation VM 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. Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Link: https://lore.kernel.org/r/20211025122116.264793-2-ltykernel@gmail.com Signed-off-by: Wei Liu <wei.liu@kernel.org>