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KVM: VMX: Shadow VMCS pin controls
authorSean Christopherson <sean.j.christopherson@intel.com>
Tue, 7 May 2019 19:17:55 +0000 (12:17 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 18 Jun 2019 09:47:41 +0000 (11:47 +0200)
commitc5f2c76643b612ffa47e4660c8f44deba619b068
treed4893e980f629441b857ef9e4877e14ec0617198tree | snapshot
parent70f932ecdfe6b593ef6784d55d2c096aafac1510commit | diff
KVM: VMX: Shadow VMCS pin controls

Prepare to shadow all major control fields on a per-VMCS basis, which
allows KVM to avoid costly VMWRITEs when switching between vmcs01 and
vmcs02.

Shadowing pin controls also allows a future patch to remove the per-VMCS
'hv_timer_armed' flag, as the shadow copy is a superset of said flag.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/nested.c diff | blob | history
arch/x86/kvm/vmx/vmx.c diff | blob | history
arch/x86/kvm/vmx/vmx.h diff | blob | history
Domain: System / Kernel;