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

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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




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