On Thu, May 17, 2012 at 01:26:55PM -0300, Eduardo Habkost wrote:
[...]
> @@ -521,6 +523,12 @@ static int cpu_x86_fill_host(x86_def_t *x86_cpu_def)
> x86_cpu_def->ext_features = ecx;
> x86_cpu_def->features = edx;
>
> +if (x86_cpu_def->level >= 7) {
> +x86_cpu_def->cpuid_7_0_
On Thu, May 17, 2012 at 10:56:36AM -0600, Eric Blake wrote:
> On 05/17/2012 10:26 AM, Eduardo Habkost wrote:
>
> > The problem is that this makes the resulting CPU feature flags
> > unpredictable and dependent on the host CPU and kernel version. This
> > breaks live-migration badly if migrating fr
On 05/17/2012 10:26 AM, Eduardo Habkost wrote:
> The problem is that this makes the resulting CPU feature flags
> unpredictable and dependent on the host CPU and kernel version. This
> breaks live-migration badly if migrating from a host CPU that supports
> some features on that CPUID leaf (runnin
