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KVM: nVMX: support descriptor table exits

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These are never used by the host, but they can still be reflected to
the guest.

Tested-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2016-10-25 16:06:30 +02:00
parent 5587859fb1
commit 1b07304c58
3 changed files with 8 additions and 0 deletions
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3
arch/x86/kvm/vmx.c
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@@ -2796,6 +2796,7 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx)
vmx->nested.nested_vmx_secondary_ctls_high &=
SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
SECONDARY_EXEC_RDTSCP |
SECONDARY_EXEC_DESC |
SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE |
SECONDARY_EXEC_ENABLE_VPID |
SECONDARY_EXEC_APIC_REGISTER_VIRT |
@@ -7961,6 +7962,8 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
return nested_cpu_has(vmcs12, CPU_BASED_MOV_DR_EXITING);
case EXIT_REASON_IO_INSTRUCTION:
return nested_vmx_exit_handled_io(vcpu, vmcs12);
case EXIT_REASON_GDTR_IDTR: case EXIT_REASON_LDTR_TR:
return nested_cpu_has2(vmcs12, SECONDARY_EXEC_DESC);
case EXIT_REASON_MSR_READ:
case EXIT_REASON_MSR_WRITE:
return nested_vmx_exit_handled_msr(vcpu, vmcs12, exit_reason);