Re: [PATCH v4 2/5] KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb()

[Roman Kagan]

On Tue, Jul 03, 2018 at 03:42:03PM +0200, Vitaly Kuznetsov wrote:
> We can use 'NULL' to represent 'all cpus' case in
> kvm_make_vcpus_request_mask() and avoid building vCPU mask with
> all vCPUs.
> 
> Suggested-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> ---
>  arch/x86/kvm/hyperv.c | 42 +++++++++++++++++++++++-------------------
>  virt/kvm/kvm_main.c   |  6 ++----
>  2 files changed, 25 insertions(+), 23 deletions(-)

Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>