kvm: x86: Introduce kvm_mmu_calc_root_page_role()

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These functions factor out the base role calculation from the
corresponding kvm_init_*_mmu() functions. The new functions return
what would be the role assigned to a root page in the current VCPU
state. This can be masked with mmu_base_role_mask to derive the base
role.

Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Junaid Shahid 2018-06-27 14:59:07 -07:00 • committed by Paolo Bonzini

parent 7c390d350f

commit 9fa72119b2

1 changed files with 85 additions and 27 deletions

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arch/x86/kvm/mmu.c

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