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kvm: x86: Support resetting the MMU context without resetting roots

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This adds support for re-initializing the MMU context in a different
mode while preserving the active root_hpa and the prev_root.

Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Junaid Shahid
2018-06-27 14:59:10 -07:00
committed by Paolo Bonzini
parent 0aab33e4f9
commit 1c53da3fa3
2 changed files with 10 additions and 17 deletions
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arch/x86/kvm/mmu.h
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@@ -61,6 +61,7 @@ void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value);
void
reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
void kvm_init_mmu(struct kvm_vcpu *vcpu, bool reset_roots);
void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu);
void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly,
bool accessed_dirty);