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 <mizhang@google.com> Reviewed-by: Kai Huang <kai.huang@intel.com> Link: https://lore.kernel.org/r/20230912184553.1887764-2-mizhang@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
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@ -202,6 +202,8 @@ Shadow pages contain the following information:
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Is 1 if the MMU instance cannot use A/D bits. EPT did not have A/D
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bits before Haswell; shadow EPT page tables also cannot use A/D bits
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if the L1 hypervisor does not enable them.
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role.guest_mode:
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Indicates the shadow page is created for a nested guest.
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role.passthrough:
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The page is not backed by a guest page table, but its first entry
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points to one. This is set if NPT uses 5-level page tables (host
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