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	0d3f542	2017-06-20 01:37:38 +0200	[diff] [blame]	24	# Supports effective affinity mask
				25	config GENERIC_IRQ_EFFECTIVE_AFF_MASK
				26	bool
				27
Thomas Gleixner	7b6ef12	2014-05-07 15:44:05 +0000	[diff] [blame]	28	# Facility to allocate a hardware interrupt. This is legacy support
				29	# and should not be used in new code. Use irq domains instead.
				30	config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
				31	bool
				32
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	33	# Support for delayed migration from interrupt context
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	34	config GENERIC_PENDING_IRQ
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
Yang Yingliang	f1e0bb0	2015-09-24 17:32:13 +0800	[diff] [blame]	37	# Support for generic irq migrating off cpu before the cpu is offline.
				38	config GENERIC_IRQ_MIGRATION
				39	bool
				40
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	41	# Alpha specific irq affinity mechanism
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	42	config AUTO_IRQ_AFFINITY
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	43	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	44
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	45	# Tasklet based software resend for pending interrupts on enable_irq()
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	46	config HARDIRQS_SW_RESEND
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	47	bool
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	48
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	49	# Preflow handler support for fasteoi (sparc64)
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	50	config IRQ_PREFLOW_FASTEOI
Jan Beulich	fd4afaf	2011-02-17 13:39:05 +0000	[diff] [blame]	51	bool
Thomas Gleixner	7812957	2011-02-10 15:14:20 +0100	[diff] [blame]	52
Thomas Gleixner	0521c8f	2011-03-28 16:13:24 +0200	[diff] [blame]	53	# Edge style eoi based handler (cell)
				54	config IRQ_EDGE_EOI_HANDLER
				55	bool
				56
Thomas Gleixner	c42321c	2011-05-02 18:16:22 +0200	[diff] [blame]	57	# Generic configurable interrupt chip implementation
				58	config GENERIC_IRQ_CHIP
				59	bool
Nitin A Kamble	923fa4e	2014-01-30 16:50:10 -0800	[diff] [blame]	60	select IRQ_DOMAIN
Thomas Gleixner	c42321c	2011-05-02 18:16:22 +0200	[diff] [blame]	61
Grant Likely	08a543a	2011-07-26 03:19:06 -0600	[diff] [blame]	62	# Generic irq_domain hw <--> linux irq number translation
				63	config IRQ_DOMAIN
				64	bool
				65
Bartosz Golaszewski	b19af51	2017-08-14 16:53:16 +0200	[diff] [blame]	66	# Support for simulated interrupts
				67	config IRQ_SIM
				68	bool
				69	select IRQ_WORK
				70
Jiang Liu	f8264e3	2014-11-06 22:20:14 +0800	[diff] [blame]	71	# Support for hierarchical irq domains
				72	config IRQ_DOMAIN_HIERARCHY
				73	bool
				74	select IRQ_DOMAIN
				75
David Daney	7703b08	2017-08-17 17:53:31 -0700	[diff] [blame]	76	# Support for hierarchical fasteoi+edge and fasteoi+level handlers
				77	config IRQ_FASTEOI_HIERARCHY_HANDLERS
				78	bool
				79
Qais Yousef	379b656	2015-12-08 13:20:14 +0000	[diff] [blame]	80	# Generic IRQ IPI support
				81	config GENERIC_IRQ_IPI
				82	bool
				83
Jiang Liu	f3cf8bb	2014-11-12 11:39:03 +0100	[diff] [blame]	84	# Generic MSI interrupt support
				85	config GENERIC_MSI_IRQ
				86	bool
				87
				88	# Generic MSI hierarchical interrupt domain support
				89	config GENERIC_MSI_IRQ_DOMAIN
				90	bool
				91	select IRQ_DOMAIN_HIERARCHY
				92	select GENERIC_MSI_IRQ
				93
Marc Zyngier	76ba59f	2014-08-26 11:03:16 +0100	[diff] [blame]	94	config HANDLE_DOMAIN_IRQ
				95	bool
				96
Daniel Lezcano	b2d3d61	2017-06-23 16:11:07 +0200	[diff] [blame]	97	config IRQ_TIMINGS
				98	bool
				99
Thomas Gleixner	2f75d9e	2017-09-13 23:29:14 +0200	[diff] [blame]	100	config GENERIC_IRQ_MATRIX_ALLOCATOR
				101	bool
				102
Thomas Gleixner	2b5175c	2017-10-17 09:54:57 +0200	[diff] [blame]	103	config GENERIC_IRQ_RESERVATION_MODE
				104	bool
				105
Thomas Gleixner	c68fd4f	2011-03-08 19:52:55 +0100	[diff] [blame]	106	# Support forced irq threading
Thomas Gleixner	8d32a30	2011-02-23 23:52:23 +0000	[diff] [blame]	107	config IRQ_FORCED_THREADING
				108	bool
				109
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	110	config SPARSE_IRQ
Rob Herring	2ed86b1	2012-01-25 20:02:40 -0600	[diff] [blame]	111	bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	112	---help---
				113
				114	Sparse irq numbering is useful for distro kernels that want
				115	to define a high CONFIG_NR_CPUS value but still want to have
				116	low kernel memory footprint on smaller machines.
				117
				118	( Sparse irqs can also be beneficial on NUMA boxes, as they spread
				119	out the interrupt descriptors in a more NUMA-friendly way. )
				120
				121	If you don't know what to do here, say N.
				122
Thomas Gleixner	087cdfb	2017-06-20 01:37:17 +0200	[diff] [blame]	123	config GENERIC_IRQ_DEBUGFS
				124	bool "Expose irq internals in debugfs"
				125	depends on DEBUG_FS
				126	default n
				127	---help---
				128
				129	Exposes internal state information through debugfs. Mostly for
				130	developers and debugging of hard to diagnose interrupt problems.
				131
				132	If you don't know what to do here, say N.
				133
Thomas Gleixner	d9817eb	2010-09-27 12:45:59 +0000	[diff] [blame]	134	endmenu
Palmer Dabbelt	caacdbf	2018-03-07 15:57:27 -0800	[diff] [blame^]	135
				136	config GENERIC_IRQ_MULTI_HANDLER
				137	bool
				138	help
				139	Allow to specify the low level IRQ handler at run time.