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x86/kvm/mmu: make vcpu->mmu a pointer to the current MMU

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As a preparation to full MMU split between L1 and L2 make vcpu->arch.mmu
a pointer to the currently used mmu. For now, this is always
vcpu->arch.root_mmu. No functional change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
This commit is contained in:
Vitaly Kuznetsov
2018-10-08 21:28:05 +02:00
committed by Paolo Bonzini
parent 0e0a53c551
commit 44dd3ffa7b
8 changed files with 130 additions and 124 deletions
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5
arch/x86/include/asm/kvm_host.h
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@@ -543,7 +543,10 @@ struct kvm_vcpu_arch {
* the paging mode of the l1 guest. This context is always used to
* handle faults.
*/
struct kvm_mmu mmu;
struct kvm_mmu *mmu;
/* Non-nested MMU for L1 */
struct kvm_mmu root_mmu;
/*
* Paging state of an L2 guest (used for nested npt)