From b207cfbc8c1d04a32d19919a0df9920e909f82a5 Mon Sep 17 00:00:00 2001 From: Mingwei Zhang Date: Tue, 12 Sep 2023 18:45:48 +0000 Subject: KVM: Documentation: Add the missing description for guest_mode in kvm_mmu_page_role Add the missing description for 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 Reviewed-by: Kai Huang Link: https://lore.kernel.org/r/20230912184553.1887764-2-mizhang@google.com Signed-off-by: Sean Christopherson --- Documentation/virt/kvm/x86/mmu.rst | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation/virt') diff --git a/Documentation/virt/kvm/x86/mmu.rst b/Documentation/virt/kvm/x86/mmu.rst index d47595b33fcf..47392c5d0a4a 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 -- cgit