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i386: Add feature control MSR dependency when SGX is enabled 

SGX adds multiple flags to FEATURE_CONTROL to enable SGX and Flexible
Launch Control.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210719112136.57018-12-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-07-19 19:21:14 +08:00 committed by Paolo Bonzini
parent db88806523
commit a04835414b
1 changed files with 5 additions and 0 deletions
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5
target/i386/kvm/kvm.c
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@ -1877,6 +1877,11 @@ int kvm_arch_init_vcpu(CPUState *cs)
!!(c->ecx & CPUID_EXT_SMX);
}
c = cpuid_find_entry(&cpuid_data.cpuid, 7, 0);
if (c && (c->ebx & CPUID_7_0_EBX_SGX)) {
has_msr_feature_control = true;
}
if (env->mcg_cap & MCG_LMCE_P) {
has_msr_mcg_ext_ctl = has_msr_feature_control = true;
}