spin_until_cond
spin_until_cond(cpu_callin_map[cpu] || time_is_before_jiffies(deadline));
spin_until_cond(cpu_online(cpu));
spin_until_cond(raw_atomic_read(&__nmi_ipi_lock) == 0);
spin_until_cond(raw_atomic_read(&__nmi_ipi_lock) == 0);
spin_until_cond(!nmi_ipi_busy);
spin_until_cond(!test_bit(0, &__wd_smp_lock));
spin_until_cond(cpu_present(cpu) ||
spin_until_cond(cpu_online(cpu));
spin_until_cond(scmi_xfer_acquired(xfer));
spin_until_cond(scmi_xfer_done_no_timeout(cinfo, xfer,
spin_until_cond((ioread32(&shmem->channel_status) &
spin_until_cond(smc_xfer_inflight(xfer, &scmi_info->inflight));
spin_until_cond(buffer_header->busy == 0);
spin_until_cond(hard_acs_rdy_or_timeout(lp, timeout));
#ifndef spin_until_cond