diff options
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/mmu.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/virt/kvm/mmu.rst b/Documentation/virt/kvm/mmu.rst index f60f5488e121..5b1ebad24c77 100644 --- a/Documentation/virt/kvm/mmu.rst +++ b/Documentation/virt/kvm/mmu.rst @@ -161,7 +161,7 @@ Shadow pages contain the following information: If clear, this page corresponds to a guest page table denoted by the gfn field. role.quadrant: - When role.gpte_is_8_bytes=0, the guest uses 32-bit gptes while the host uses 64-bit + When role.has_4_byte_gpte=1, the guest uses 32-bit gptes while the host uses 64-bit sptes. That means a guest page table contains more ptes than the host, so multiple shadow pages are needed to shadow one guest page. For first-level shadow pages, role.quadrant can be 0 or 1 and denotes the @@ -177,9 +177,9 @@ Shadow pages contain the following information: The page is invalid and should not be used. It is a root page that is currently pinned (by a cpu hardware register pointing to it); once it is unpinned it will be destroyed. - role.gpte_is_8_bytes: - Reflects the size of the guest PTE for which the page is valid, i.e. '1' - if 64-bit gptes are in use, '0' if 32-bit gptes are in use. + role.has_4_byte_gpte: + Reflects the size of the guest PTE for which the page is valid, i.e. '0' + if direct map or 64-bit gptes are in use, '1' if 32-bit gptes are in use. role.efer_nx: Contains the value of efer.nx for which the page is valid. role.cr0_wp: |