Re: [PATCH v4 3/5] KVM: x86: hyperv: use get_vcpu_by_vpidx() in kvm_hv_flush_tlb()

[Roman Kagan]

On Tue, Jul 03, 2018 at 03:42:04PM +0200, Vitaly Kuznetsov wrote:
> VP_INDEX almost always matches VCPU id and get_vcpu_by_vpidx() is fast,
> use it instead of traversing full vCPU list every time.
> 
> To support the change split off get_vcpu_idx_by_vpidx() from
> get_vcpu_by_vpidx().
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> ---
>  arch/x86/kvm/hyperv.c | 78 ++++++++++++++++++++-------------------------------
>  1 file changed, 31 insertions(+), 47 deletions(-)

Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>