IPI_WDOG
cpu_send_ipi(NULL, IPI_WDOG);
[IPI_WDOG] = IPL_HIGH,
if (ipi_mask & __BIT(IPI_WDOG)) {
atomic_and_64(&ci->ci_request_ipis, ~__BIT(IPI_WDOG));
ipi_mask &= ~__BIT(IPI_WDOG);
ci->ci_evcnt_per_ipi[IPI_WDOG].ev_count++;
[IPI_WDOG] = "ipi wdog",