[PATCH 1/6] KVM: Documentation: Add the missing guest_mode in kvm_mmu_page_role

Mingwei Zhang
2023-06-18T00:09:19Z

Add the missing guest_mode in kvm_mmu_page_role description. guest_mode
tells KVM whether a shadow page is used for the L1 or an L2. Update the
missing field in documentation.

Signed-off-by: Mingwei Zhang <mizhang@google.com>
---
Documentation/virt/kvm/x86/mmu.rst | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/virt/kvm/x86/mmu.rst b/Documentation/virt/kvm/x86/mmu.rst
index 8364afa228ec..561efa8ec7d7 100644
--- a/Documentation/virt/kvm/x86/mmu.rst
+++ b/Documentation/virt/kvm/x86/mmu.rst
@@ -202,6 +202,8 @@ Shadow pages contain the following information:
Is 1 if the MMU instance cannot use A/D bits. EPT did not have A/D
bits before Haswell; shadow EPT page tables also cannot use A/D bits
if the L1 hypervisor does not enable them.
+ role.guest_mode:
+ Indicates the shadow page is created for a nested guest.
role.passthrough:
The page is not backed by a guest page table, but its first entry
points to one. This is set if NPT uses 5-level page tables (host
--
2.41.0.162.gfafddb0af9-goog