Re: [PATCH] KVM: X86: Make fpu allocation a common function

[Paolo Bonzini]

On 15/10/19 16:36, Vitaly Kuznetsov wrote:
>> On 15/10/19 12:53, Vitaly Kuznetsov wrote:
>>> A very theoretical question: why do we have 'struct vcpu' embedded in
>>> vcpu_vmx/vcpu_svm and not the other way around (e.g. in a union)? That
>>> would've allowed us to allocate memory in common code and then fill in
>>> vendor-specific details in .create_vcpu().
>> Probably "because it's always been like that" is the most accurate answer.
>>
> OK, so let me make my question a bit less theoretical: would you be in
> favor of changing the status quo? :-)

Not really, it would be a lot of churn for debatable benefit.

Paolo