On Thu, Feb 10, 2022, Yury Norov wrote: > In some places kvm/hyperv.c code calls bitmap_weight() to check if any bit > of a given bitmap is set. It's better to use bitmap_empty() in that case > because bitmap_empty() stops traversing the bitmap as soon as it finds > first set bit, while bitmap_weight() counts all bits unconditionally. > > Signed-off-by: Yury Norov <yury.norov@xxxxxxxxx> > Reviewed-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > --- Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
