[libvirt] [PATCH] Set sensible defaults for cpu match and feature policy

[Jiri Denemark]

> To enable the CPU XML from the capabilities to be pasted directly
> into the guest XML with no editing, pick a sensible default for
> match and feature policy. The CPU match will be exact and the
> feature policy will be require. This should ensure safety for
> migration and give DWIM semantics for users
> 
> * src/conf/cpu_conf.c: Default to exact match and require policy

Yeah, this is a good idea. I think it also deserves documenting in
formatdomain.html#elementsCPU

Jirka