| Message ID | 20230618000856.1714902-2-mizhang@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: Documentation: Update document description for kvm_mmu_page and kvm_mmu_page_role | expand |
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>
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
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(+)