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Revert "KVM: nested VMX: disable perf cpuid reporting"

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This reverts commit bc6134942d.

A CPUID instruction executed in VMX non-root mode always causes a
VM-exit, regardless of the leaf being queried.

Fixes: bc6134942d ("KVM: nested VMX: disable perf cpuid reporting")
Signed-off-by: Jim Mattson <jmattson@google.com>
[The issue solved by bc6134942d has been resolved with ff651cb613
 ("KVM: nVMX: Add nested msr load/restore algorithm").]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Jim Mattson
2016-12-20 16:34:50 -08:00
committed by Radim Krčmář
parent a17f32270a
commit 0b4c208d44
2 changed files with 0 additions and 8 deletions
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arch/x86/kvm/vmx.c
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@@ -8203,8 +8203,6 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
case EXIT_REASON_TASK_SWITCH:
return true;
case EXIT_REASON_CPUID:
if (kvm_register_read(vcpu, VCPU_REGS_RAX) == 0xa)
return false;
return true;
case EXIT_REASON_HLT:
return nested_cpu_has(vmcs12, CPU_BASED_HLT_EXITING);