> > - if (_vmexit_control & VM_EXIT_ACTIVATE_SECONDARY_CONTROLS)
> > + if (_vmexit_control & VM_EXIT_ACTIVATE_SECONDARY_CONTROLS) {
> > _secondary_vmexit_control =
> >
> adjust_vmx_controls64(KVM_OPTIONAL_VMX_SECONDARY_VM_EXIT_CO
> NTROLS,
> >
> > > > Can we just hide FRED from guests like what KVM does for other
> > > > features which have similar dependencies? see vmx_set_cpu_caps().
> > >
> > > Both of these warnings should simply be dropped. The
> > > error_on_inconsistent_vmcs_config stuff is for inconsistencies within the
> allowe
On 8.11.23 г. 20:29 ч., Xin Li wrote:
Setup the global vmcs_config for FRED:
1) Add VM_ENTRY_LOAD_IA32_FRED to KVM_OPTIONAL_VMX_VM_ENTRY_CONTROLS to
have a FRED CPU load guest FRED MSRs from VMCS upon VM entry.
2) Add SECONDARY_VM_EXIT_SAVE_IA32_FRED to
KVM_OPTIONAL_VMX_SECONDARY_VM_EX
On Fri, Nov 10, 2023, Xin3 Li wrote:
> > > >+if (cpu_feature_enabled(X86_FEATURE_FRED) &&
> > > >+!(_vmentry_control & VM_ENTRY_LOAD_IA32_FRED)) {
> > > >+pr_warn_once("FRED enabled but no VMX VM-Entry
> > LOAD_IA32_FRED control: %x\n",
> > > >+
> > >+ if (cpu_feature_enabled(X86_FEATURE_FRED) &&
> > >+ !(_vmentry_control & VM_ENTRY_LOAD_IA32_FRED)) {
> > >+ pr_warn_once("FRED enabled but no VMX VM-Entry
> LOAD_IA32_FRED control: %x\n",
> > >+ _vmentry_control);
> >
> > Can we just hide FRED from guests
On Thu, Nov 09, 2023, Chao Gao wrote:
> On Wed, Nov 08, 2023 at 10:29:45AM -0800, Xin Li wrote:
> >Setup the global vmcs_config for FRED:
> >1) Add VM_ENTRY_LOAD_IA32_FRED to KVM_OPTIONAL_VMX_VM_ENTRY_CONTROLS to
> > have a FRED CPU load guest FRED MSRs from VMCS upon VM entry.
> >2) Add SECONDAR
On Wed, Nov 08, 2023 at 10:29:45AM -0800, Xin Li wrote:
>Setup the global vmcs_config for FRED:
>1) Add VM_ENTRY_LOAD_IA32_FRED to KVM_OPTIONAL_VMX_VM_ENTRY_CONTROLS to
> have a FRED CPU load guest FRED MSRs from VMCS upon VM entry.
>2) Add SECONDARY_VM_EXIT_SAVE_IA32_FRED to
> KVM_OPTIONAL_VMX
Setup the global vmcs_config for FRED:
1) Add VM_ENTRY_LOAD_IA32_FRED to KVM_OPTIONAL_VMX_VM_ENTRY_CONTROLS to
have a FRED CPU load guest FRED MSRs from VMCS upon VM entry.
2) Add SECONDARY_VM_EXIT_SAVE_IA32_FRED to
KVM_OPTIONAL_VMX_SECONDARY_VM_EXIT_CONTROLS to have a FRED CPU save
guest
