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genirq: Simplify handle_irq_event()
[mirror_ubuntu-jammy-kernel.git] / kernel / irq / Kconfig
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1config HAVE_GENERIC_HARDIRQS
2 def_bool n
3
4if HAVE_GENERIC_HARDIRQS
5menu "IRQ subsystem"
6#
7# Interrupt subsystem related configuration options
8#
9config GENERIC_HARDIRQS
10 def_bool y
11
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12# Select this to disable the deprecated stuff
13config GENERIC_HARDIRQS_NO_DEPRECATED
14 def_bool n
15
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16# Options selectable by the architecture code
17config HAVE_SPARSE_IRQ
18 def_bool n
19
20config GENERIC_IRQ_PROBE
21 def_bool n
22
23config GENERIC_PENDING_IRQ
24 def_bool n
25
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26config AUTO_IRQ_AFFINITY
27 def_bool n
28
29config IRQ_PER_CPU
30 def_bool n
31
32config HARDIRQS_SW_RESEND
33 def_bool n
34
35config SPARSE_IRQ
36 bool "Support sparse irq numbering"
37 depends on HAVE_SPARSE_IRQ
38 ---help---
39
40 Sparse irq numbering is useful for distro kernels that want
41 to define a high CONFIG_NR_CPUS value but still want to have
42 low kernel memory footprint on smaller machines.
43
44 ( Sparse irqs can also be beneficial on NUMA boxes, as they spread
45 out the interrupt descriptors in a more NUMA-friendly way. )
46
47 If you don't know what to do here, say N.
48
49endmenu
50endif