Blame - kernel/irq/Kconfig - SHIFTPHONES/mainline/linux

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Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	1	menu "IRQ subsystem"
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	2	# Options selectable by the architecture code
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	3
				4	# Make sparse irq Kconfig switch below available
Rob Herring	2ed86b1	2012-01-25 20:02:40 -0600	[diff] [blame]	5	config MAY_HAVE_SPARSE_IRQ
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	6	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	7
Thomas Gleixner	c940e01	2014-05-07 15:44:22 +0000	[diff] [blame]	8	# Legacy support, required for itanic
				9	config GENERIC_IRQ_LEGACY
				10	bool
				11
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	12	# Enable the generic irq autoprobe mechanism
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	13	config GENERIC_IRQ_PROBE
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	14	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	15
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	16	# Use the generic /proc/interrupts implementation
Thomas Gleixner	c78b9b6	2010-12-16 17:21:47 +0100	[diff] [blame]	17	config GENERIC_IRQ_SHOW
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	18	bool
Thomas Gleixner	c78b9b6	2010-12-16 17:21:47 +0100	[diff] [blame]	19
Thomas Gleixner	ab7798f	2011-03-25 16:48:50 +0100	[diff] [blame]	20	# Print level/edge extra information
				21	config GENERIC_IRQ_SHOW_LEVEL
				22	bool
				23
Thomas Gleixner	7b6ef12	2014-05-07 15:44:05 +0000	[diff] [blame]	24	# Facility to allocate a hardware interrupt. This is legacy support
				25	# and should not be used in new code. Use irq domains instead.
				26	config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
				27	bool
				28
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	29	# Support for delayed migration from interrupt context
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	30	config GENERIC_PENDING_IRQ
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	31	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	32
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	33	# Alpha specific irq affinity mechanism
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	34	config AUTO_IRQ_AFFINITY
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	35	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	36
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	37	# Tasklet based software resend for pending interrupts on enable_irq()
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	38	config HARDIRQS_SW_RESEND
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	39	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	40
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	41	# Preflow handler support for fasteoi (sparc64)
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	42	config IRQ_PREFLOW_FASTEOI
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	43	bool
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	44
Thomas Gleixner	0521c8f	2011-03-28 16:13:24 +0200	[diff] [blame]	45	# Edge style eoi based handler (cell)
				46	config IRQ_EDGE_EOI_HANDLER
				47	bool
				48
Thomas Gleixner	c42321c	2011-05-02 18:16:22 +0200	[diff] [blame]	49	# Generic configurable interrupt chip implementation
				50	config GENERIC_IRQ_CHIP
				51	bool
Nitin A Kamble	923fa4e	2014-01-30 16:50:10 -0800	[diff] [blame]	52	select IRQ_DOMAIN
Thomas Gleixner	c42321c	2011-05-02 18:16:22 +0200	[diff] [blame]	53
Grant Likely	08a543a	2011-07-26 03:19:06 -0600	[diff] [blame]	54	# Generic irq_domain hw <--> linux irq number translation
				55	config IRQ_DOMAIN
				56	bool
				57
Jiang Liu	f8264e3	2014-11-06 22:20:14 +0800	[diff] [blame]	58	# Support for hierarchical irq domains
				59	config IRQ_DOMAIN_HIERARCHY
				60	bool
				61	select IRQ_DOMAIN
				62
Jiang Liu	f3cf8bb	2014-11-12 11:39:03 +0100	[diff] [blame]	63	# Generic MSI interrupt support
				64	config GENERIC_MSI_IRQ
				65	bool
				66
				67	# Generic MSI hierarchical interrupt domain support
				68	config GENERIC_MSI_IRQ_DOMAIN
				69	bool
				70	select IRQ_DOMAIN_HIERARCHY
				71	select GENERIC_MSI_IRQ
				72
Marc Zyngier	76ba59f	2014-08-26 11:03:16 +0100	[diff] [blame]	73	config HANDLE_DOMAIN_IRQ
				74	bool
				75
Grant Likely	092b2fb	2012-03-29 14:10:30 -0600	[diff] [blame]	76	config IRQ_DOMAIN_DEBUG
				77	bool "Expose hardware/virtual IRQ mapping via debugfs"
				78	depends on IRQ_DOMAIN && DEBUG_FS
				79	help
				80	This option will show the mapping relationship between hardware irq
				81	numbers and Linux irq numbers. The mapping is exposed via debugfs
Mika Westerberg	ac5830a	2012-04-10 15:25:42 +0300	[diff] [blame]	82	in the file "irq_domain_mapping".
Grant Likely	092b2fb	2012-03-29 14:10:30 -0600	[diff] [blame]	83
				84	If you don't know what this means you don't need it.
				85
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	86	# Support forced irq threading
Thomas Gleixner	8d32a30	2011-02-23 23:52:23 +0000	[diff] [blame]	87	config IRQ_FORCED_THREADING
				88	bool
				89
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	90	config SPARSE_IRQ
Rob Herring	2ed86b1	2012-01-25 20:02:40 -0600	[diff] [blame]	91	bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	92	---help---
				93
				94	Sparse irq numbering is useful for distro kernels that want
				95	to define a high CONFIG_NR_CPUS value but still want to have
				96	low kernel memory footprint on smaller machines.
				97
				98	( Sparse irqs can also be beneficial on NUMA boxes, as they spread
				99	out the interrupt descriptors in a more NUMA-friendly way. )
				100
				101	If you don't know what to do here, say N.
				102
				103	endmenu