Re: [RFC PATCH v2 22/69] KVM: x86: Add vm_type to differentiate legacy VMs from protected VMs

[Paolo Bonzini]

On 11/11/21 04:28, Xiaoyao Li wrote:
> > Heh, because kvm_dev_ioctl_create_vm() takes an "unsigned long" for 
> > the type and
> > it felt wrong to store it as something else.  Storing it as a smaller 
> > field should
> > be fine, I highly doubt we'll get to 256 types anytime soon :-)
>
> It's the bit position. We can get only 8 types with u8 actually.

Every architecture defines the meaning, and for x86 we can say it's not 
a bit position.

Paolo