Re: [PATCH] KVM: LAPIC: Recalculate apic map in batch

[Paolo Bonzini]

On 25/02/20 09:31, Wanpeng Li wrote:
> On Tue, 25 Feb 2020 at 16:07, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>>
>> On 19/02/20 01:47, Wanpeng Li wrote:
>>>> An alternative idea: instead of making every caller return bool and
>>>> every call site handle the result (once) just add a
>>>> KVM_REQ_APIC_MAP_RECALC flag or a boolean flag to struct kvm. I
>>>> understand it may not be that easy as it sounds as we may be conunting
>>>> on valid mapping somewhere before we actually get to handiling
>>> Yes.
>>>
>>>> KVM_REQ_APIC_MAP_RECALC but we may preserve *some*
>>>> recalculate_apic_map() calls (and make it reset KVM_REQ_APIC_MAP_RECALC).
>>> Paolo, keep the caller return bool or add a booleen flag to struct
>>> kvm, what do you think?
>>
>> A third possibility: add an apic_map field to struct kvm_lapic, so that
>> you don't have to add bool return values everywhere.
> 
> This apic_map field is boolean, right?

Right, and the name should really be apic_map_dirty.

Paolo