IPI_UNIDLE 459 kern/thread/thread.c ipi_send(targetcpu, IPI_UNIDLE); IPI_UNIDLE 937 kern/thread/thread.c ipi_send(c, IPI_UNIDLE); IPI_UNIDLE 1189 kern/thread/thread.c if (bits & (1U << IPI_UNIDLE)) {