Make sun4v_broadcast_ipi() do its job by making a single hypervisor call instead of repeatedly calling sun4v_send_ipi().  Makes compiling a kernel almost 20% faster.
Make sun4v_broadcast_ipi() do its job by making a single hypervisor call
instead of repeatedly calling sun4v_send_ipi().  Makes compiling a kernel
almost 20% faster.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars