rem: return B_ERROR;
add: return B_ERROR;*/
context: status_t enter_sleep_state (uint8 state) {	ACPI_STATUS status;	cpu_status cpu;		status = AcpiEnterSleepStatePrep(state);	if (status != AE_OK)		return B_ERROR;		/* NOT SMP SAFE (!!!!!!!!!!!) */		cpu = disable_interrupts();	status = AcpiEnterSleepState(state);	restore_interrupts(cpu);		if (status != AE_OK)		return B_ERROR;		status = AcpiLeaveSleepState(state);	if (status != AE_OK)		return B_ERROR;		return B_OK;}