[libvirt] [PATCH] cpu: Add support for al57 Intel features

[John Ferlan]

On 12/17/2017 06:02 PM, Shaohe Feng wrote:
> We can start qemu with a "cpu,+la57" to set 57-bit vitrual address
> space. So VM can be aware that it need to enable 5-level paging.
> 
> Corresponding QEMU commits:
>         al57 6c7c3c21f95dd9af8a0691c0dd29b07247984122
> ---
>  src/cpu/cpu_map.xml | 3 +++
>  1 file changed, 3 insertions(+)
> 

I think if you go through history of cpu_map.xml changes you'll find
when a new feature is added there are tests added as well - this would
thus seemingly need a test adjustment as well.

John

> diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
> index e5da7a8..922a195 100644
> --- a/src/cpu/cpu_map.xml
> +++ b/src/cpu/cpu_map.xml
> @@ -285,6 +285,9 @@
>      <feature name='ospke'>
>        <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x00000010'/>
>      </feature>
> +    <feature name='la57'>
> +      <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x00010000'/>
> +    </feature>
>  
>      <feature name='avx512-4vnniw'>
>        <cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000004'/>
>