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

Huang, Kai
2023-06-22T08:22:26Z

On Sun, 2023-06-18 at 00:08 +0000, Mingwei Zhang wrote:
> 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

Reviewed-by: Kai Huang <kai.huang@intel.com>