Re: [RFC PATCH 1/8] KVM: Document KVM_MAP_MEMORY ioctl

[Huang, Kai]

>    struct kvm_memory_mapping {
> 	__u64 base_gfn;
> 	__u64 nr_pages;
> 	__u64 flags;
> 	__u64 source;
>    };

From your next patch the @source must be 4K aligned.  If it is intended 
please document this too.

[...]

The backend may encrypt
> it.  

To me the "backend" is a little bit confusing.  It doesn't mean the 
@source, correct?  Maybe just the "underlying physical pages may be 
encrypted" etc.  But it may be only my issue.