Commit b207cfbc authored by Mingwei Zhang's avatar Mingwei Zhang Committed by Sean Christopherson
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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: default avatarMingwei Zhang <mizhang@google.com>
Reviewed-by: default avatarKai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20230912184553.1887764-2-mizhang@google.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent 57f33f1a

Documentation/virt/kvm/x86/mmu.rst

+2 −0
Original line number Diff line number Diff line
@@ -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