>>> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> >>> Cc: Radim Krčmář <rkrcmar@xxxxxxxxxx> >>> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx> >>> --- >>> arch/x86/kvm/vmx.c | 9 ++++++++- >>> 1 file changed, 8 insertions(+), 1 deletion(-) >>> >>> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c >>> index 06d8080..b310214 100644 >>> --- a/arch/x86/kvm/vmx.c >>> +++ b/arch/x86/kvm/vmx.c >>> @@ -1239,6 +1239,11 @@ static inline bool cpu_has_vmx_invvpid_global(void) >>> return vmx_capability.vpid & VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT; >>> } >>> >>> +static inline bool cpu_has_vmx_invvpid(void) >>> +{ >>> + return vmx_capability.vpid & VMX_VPID_INVVPID_BIT; >>> +} >>> + >>> static inline bool cpu_has_vmx_ept(void) >>> { >>> return vmcs_config.cpu_based_2nd_exec_ctrl & >>> @@ -6519,8 +6524,10 @@ static __init int hardware_setup(void) >>> if (boot_cpu_has(X86_FEATURE_NX)) >>> kvm_enable_efer_bits(EFER_NX); >>> >>> - if (!cpu_has_vmx_vpid()) >>> + if (!cpu_has_vmx_vpid() || >>> + !(cpu_has_vmx_invvpid())) >> >> This indentation looks weird. Can't this be fit into one line? > > The same as cpu_has_vmx_ept_4levels(). I only know the general rules: 1. make things fit into one line unless it really harms readability 2. when splitting conditions over multiple lines, make them start at the same level. And I said, this indentation looks weird, because 1 and 2 are not met. Anyhow, the general patch is fine in my opinion. -- Thanks, David