From: Xin Li <xin3.li@xxxxxxxxx> Allow nVMX FRED controls as nested FRED support is in place. Signed-off-by: Xin Li <xin3.li@xxxxxxxxx> Signed-off-by: Xin Li (Intel) <xin@xxxxxxxxx> Tested-by: Shan Kang <shan.kang@xxxxxxxxx> --- arch/x86/kvm/vmx/nested.c | 6 ++++-- arch/x86/kvm/vmx/vmx.c | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 1fbdeea32c98..b1b4483afcda 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -7159,7 +7159,8 @@ static void nested_vmx_setup_exit_ctls(struct vmcs_config *vmcs_conf, * advertise any feature in it to nVMX until its nVMX support * is ready. */ - msrs->secondary_exit_ctls &= 0; + msrs->secondary_exit_ctls &= SECONDARY_VM_EXIT_SAVE_IA32_FRED | + SECONDARY_VM_EXIT_LOAD_IA32_FRED; } } @@ -7174,7 +7175,8 @@ static void nested_vmx_setup_entry_ctls(struct vmcs_config *vmcs_conf, #ifdef CONFIG_X86_64 VM_ENTRY_IA32E_MODE | #endif - VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS; + VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS | + VM_ENTRY_LOAD_IA32_FRED; msrs->entry_ctls_high |= (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER | VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL); diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 522ee27a4655..ba6a7c6b6727 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7923,6 +7923,7 @@ static void nested_vmx_cr_fixed1_bits_update(struct kvm_vcpu *vcpu) entry = kvm_find_cpuid_entry_index(vcpu, 0x7, 1); cr4_fixed1_update(X86_CR4_LAM_SUP, eax, feature_bit(LAM)); + cr4_fixed1_update(X86_CR4_FRED, eax, feature_bit(FRED)); #undef cr4_fixed1_update } -- 2.46.2