11  *  			- Added support for C3 on SMP
69  * IBM ThinkPad R40e crashes mysteriously when going into C2 or C3.
120  * Some BIOS implementations switch to C3 in the published C2 state.
123  * that the local APIC stops in both C2 and C3.
231 	/* determine C2 and C3 address from pblk */  in acpi_processor_get_power_info_fadt()
251 	 * FADT supplied C3 latency must be less than or equal to  in acpi_processor_get_power_info_fadt()
255 		acpi_handle_debug(pr->handle, "C3 latency too large [%d]\n",  in acpi_processor_get_power_info_fadt()
257 		/* invalidate C3 */  in acpi_processor_get_power_info_fadt()
321 	 * PIIX4 Erratum #18: We don't support C3 when Type-F (fast)  in acpi_processor_power_verify_c3()
329 				  "C3 not supported on PIIX4 with Type-F DMA\n");  in acpi_processor_power_verify_c3()
349 						  "C3 support requires BM control\n");  in acpi_processor_power_verify_c3()
352 				/* Here we enter C3 without bus mastering */  in acpi_processor_power_verify_c3()
354 						  "C3 support without BM control\n");  in acpi_processor_power_verify_c3()
359 		 * WBINVD should be set in fadt, for C3 state to be  in acpi_processor_power_verify_c3()
365 					  " for C3 to be enabled on SMP systems\n");  in acpi_processor_power_verify_c3()
371 	 * Otherwise we've met all of our C3 requirements.  in acpi_processor_power_verify_c3()
372 	 * Normalize the C3 latency to expidite policy.  Enable  in acpi_processor_power_verify_c3()
374 	 * use this in our C3 policy  in acpi_processor_power_verify_c3()
381 	 * system from C3.  Newer chipsets handle DMA  in acpi_processor_power_verify_c3()
382 	 * during C3 automatically and BM_RLD is a NOP.  in acpi_processor_power_verify_c3()
487 	 * if one state of type C2 or C3 is available, mark this  in acpi_processor_get_cstate_info()
616  * acpi_idle_enter_bm - enters C3 with proper BM handling
637 	 * In that case we cannot do much, we enter C3 without doing anything.  in acpi_idle_enter_bm()
658 		/* Disable bus master arbitration when all CPUs are in C3 */  in acpi_idle_enter_bm()