• Sean Christopherson's avatar
    KVM: x86/mmu: Move logic for setting SPTE masks for EPT into the MMU proper · e7b7bdea
    Sean Christopherson authored
    Let the MMU deal with the SPTE masks to avoid splitting the logic and
    knowledge across the MMU and VMX.
    The SPTE masks that are used for EPT are very, very tightly coupled to
    the MMU implementation.  The use of available bits, the existence of A/D
    types, the fact that shadow_x_mask even exists, and so on and so forth
    are all baked into the MMU implementation.  Cross referencing the params
    to the masks is also a nightmare, as pretty much every param is a u64.
    A future patch will make the location of the MMU_WRITABLE and
    HOST_WRITABLE bits MMU specific, to free up bit 11 for a MMU_PRESENT bit.
    Doing that change with the current kvm_mmu_set_mask_ptes() would be an
    absolute mess.
    No functional change intended.
    Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
    Message-Id: <20210225204749.1512652-18-seanjc@google.com>
    Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>