The SECONDARY_EXEC_RDTSCP must be available iff RDTSCP is enabled in the
guest.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/vmx.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4df94e2b7c23..fb7a35ad9b02 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8678,9 +8678,14 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
exec_control);
}
- if (nested && !vmx->rdtscp_enabled)
- vmx->nested.nested_vmx_secondary_ctls_high &=
- ~SECONDARY_EXEC_RDTSCP;
+ if (nested) {
+ if (vmx->rdtscp_enabled)
+ vmx->nested.nested_vmx_secondary_ctls_high |=
+ SECONDARY_EXEC_RDTSCP;
+ else
+ vmx->nested.nested_vmx_secondary_ctls_high &=
+ ~SECONDARY_EXEC_RDTSCP;
+ }
}
/* Exposing INVPCID only when PCID is exposed */
--
1.8.3.1
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