Re: [Xen-devel] [PATCH 1/4] x86/domctl: Move all CPUID update logic into update_domain_cpuid_info()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 11.01.17 at 18:44, <andrew.cooper3@xxxxxxxxxx> wrote:
> This simplifies the XEN_DOMCTL_set_cpuid handling, splitting the safety logic
> away from the internals of how an update is completed.
> 
> The legacy cpuids[] logic is left in alone in a fuction, as it wont survive
> very long.  update_domain_cpuid_info() gains a small performance 
> optimisation
> to skip all update activites for leaves which won't have any impact on the
> guest.  This is temporary until the new hypercall API is completed.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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