Blame - kernel/irq/Kconfig - arm/linux

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Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	1	# Select this to activate the generic irq options below
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	2	config HAVE_GENERIC_HARDIRQS
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	3	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	4
				5	if HAVE_GENERIC_HARDIRQS
				6	menu "IRQ subsystem"
				7	#
				8	# Interrupt subsystem related configuration options
				9	#
				10	config GENERIC_HARDIRQS
				11	def_bool y
				12
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	13	# Options selectable by the architecture code
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	14
				15	# Make sparse irq Kconfig switch below available
Rob Herring	2ed86b1	2012-01-25 20:02:40 -0600	[diff] [blame]	16	config MAY_HAVE_SPARSE_IRQ
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	17	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	18
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	19	# Enable the generic irq autoprobe mechanism
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	20	config GENERIC_IRQ_PROBE
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	21	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	22
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	23	# Use the generic /proc/interrupts implementation
Thomas Gleixner	c78b9b6	2010-12-16 17:21:47 +0100	[diff] [blame]	24	config GENERIC_IRQ_SHOW
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	25	bool
Thomas Gleixner	c78b9b6	2010-12-16 17:21:47 +0100	[diff] [blame]	26
Thomas Gleixner	ab7798f	2011-03-25 16:48:50 +0100	[diff] [blame]	27	# Print level/edge extra information
				28	config GENERIC_IRQ_SHOW_LEVEL
				29	bool
				30
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	31	# Support for delayed migration from interrupt context
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	32	config GENERIC_PENDING_IRQ
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	33	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	34
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	35	# Alpha specific irq affinity mechanism
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	36	config AUTO_IRQ_AFFINITY
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	37	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	38
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	39	# Tasklet based software resend for pending interrupts on enable_irq()
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	40	config HARDIRQS_SW_RESEND
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	41	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	42
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	43	# Preflow handler support for fasteoi (sparc64)
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	44	config IRQ_PREFLOW_FASTEOI
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	45	bool
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	46
Thomas Gleixner	0521c8f	2011-03-28 16:13:24 +0200	[diff] [blame]	47	# Edge style eoi based handler (cell)
				48	config IRQ_EDGE_EOI_HANDLER
				49	bool
				50
Thomas Gleixner	c42321c	2011-05-02 18:16:22 +0200	[diff] [blame]	51	# Generic configurable interrupt chip implementation
				52	config GENERIC_IRQ_CHIP
				53	bool
				54
Grant Likely	08a543a	2011-07-26 03:19:06 -0600	[diff] [blame]	55	# Generic irq_domain hw <--> linux irq number translation
				56	config IRQ_DOMAIN
				57	bool
				58
Grant Likely	092b2fb	2012-03-29 14:10:30 -0600	[diff] [blame]	59	config IRQ_DOMAIN_DEBUG
				60	bool "Expose hardware/virtual IRQ mapping via debugfs"
				61	depends on IRQ_DOMAIN && DEBUG_FS
				62	help
				63	This option will show the mapping relationship between hardware irq
				64	numbers and Linux irq numbers. The mapping is exposed via debugfs
Mika Westerberg	ac5830a	2012-04-10 15:25:42 +0300	[diff] [blame]	65	in the file "irq_domain_mapping".
Grant Likely	092b2fb	2012-03-29 14:10:30 -0600	[diff] [blame]	66
				67	If you don't know what this means you don't need it.
				68
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	69	# Support forced irq threading
Thomas Gleixner	8d32a30	2011-02-23 23:52:23 +0000	[diff] [blame]	70	config IRQ_FORCED_THREADING
				71	bool
				72
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	73	config SPARSE_IRQ
Rob Herring	2ed86b1	2012-01-25 20:02:40 -0600	[diff] [blame]	74	bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	75	---help---
				76
				77	Sparse irq numbering is useful for distro kernels that want
				78	to define a high CONFIG_NR_CPUS value but still want to have
				79	low kernel memory footprint on smaller machines.
				80
				81	( Sparse irqs can also be beneficial on NUMA boxes, as they spread
				82	out the interrupt descriptors in a more NUMA-friendly way. )
				83
				84	If you don't know what to do here, say N.
				85
				86	endmenu
				87	endif