On Mon, May 25, 2015 at 04:16:14PM +0200, Paolo Bonzini wrote:
> On 25/05/2015 16:06, Jan Kiszka wrote:
> > static void pc_compat_2_3(MachineState *machine)
> > {
> > +x86_cpu_compat_set_features("Westmere", FEAT_6_EAX, 0,
> > CPUID_6_EAX_ARAT);
> > +x86_cpu_compat_set_features("SandyBri
On 25/05/2015 16:06, Jan Kiszka wrote:
> static void pc_compat_2_3(MachineState *machine)
> {
> +x86_cpu_compat_set_features("Westmere", FEAT_6_EAX, 0, CPUID_6_EAX_ARAT);
> +x86_cpu_compat_set_features("SandyBridge", FEAT_6_EAX, 0,
> +CPUID_6_EAX_ARAT);
>
From: Jan Kiszka
ARAT signals that the APIC timer does not stop in power saving states.
As our APICs are emulated, it's fine to expose this feature to guests,
at least when asking for KVM host features or with CPU types that
include the flag. The exact model number that introduced the feature is