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Commit db1c056c authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

kvm: vmx: Use the hardware provided GPA instead of page walk 



As in the SVM patch, the guest physical address is passed by
VMX to x86_emulate_instruction already, so mark the GPA as available
in vcpu->arch.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent ee106891

arch/x86/kvm/vmx.c

+3 −0
Original line number Diff line number Diff line
@@ -6382,6 +6382,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) 
			EPT_VIOLATION_EXECUTABLE))

		      ? PFERR_PRESENT_MASK : 0;



	vcpu->arch.gpa_available = true;

	vcpu->arch.exit_qualification = exit_qualification;



	return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
@@ -6399,6 +6400,7 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu) 
	}



	ret = handle_mmio_page_fault(vcpu, gpa, true);

	vcpu->arch.gpa_available = true;

	if (likely(ret == RET_MMIO_PF_EMULATE))

		return x86_emulate_instruction(vcpu, gpa, 0, NULL, 0) ==

					      EMULATE_DONE;
@@ -8517,6 +8519,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) 
	u32 vectoring_info = vmx->idt_vectoring_info;



	trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);

	vcpu->arch.gpa_available = false;



	/*

	 * Flush logged GPAs PML buffer, this will make dirty_bitmap more