aboutsummaryrefslogtreecommitdiff
path: root/kernel/irq/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/Kconfig')
-rw-r--r--kernel/irq/Kconfig88
1 files changed, 60 insertions, 28 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 31d766bf5d2..d269cecdfbf 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -1,43 +1,76 @@
-config HAVE_GENERIC_HARDIRQS
- def_bool n
-
-if HAVE_GENERIC_HARDIRQS
menu "IRQ subsystem"
-#
-# Interrupt subsystem related configuration options
-#
-config GENERIC_HARDIRQS
- def_bool y
-
-config GENERIC_HARDIRQS_NO__DO_IRQ
- def_bool y
+# Options selectable by the architecture code
-# Select this to disable the deprecated stuff
-config GENERIC_HARDIRQS_NO_DEPRECATED
- def_bool n
+# Make sparse irq Kconfig switch below available
+config MAY_HAVE_SPARSE_IRQ
+ bool
-# Options selectable by the architecture code
-config HAVE_SPARSE_IRQ
- def_bool n
+# Legacy support, required for itanic
+config GENERIC_IRQ_LEGACY
+ bool
+# Enable the generic irq autoprobe mechanism
config GENERIC_IRQ_PROBE
- def_bool n
+ bool
+# Use the generic /proc/interrupts implementation
+config GENERIC_IRQ_SHOW
+ bool
+
+# Print level/edge extra information
+config GENERIC_IRQ_SHOW_LEVEL
+ bool
+
+# Facility to allocate a hardware interrupt. This is legacy support
+# and should not be used in new code. Use irq domains instead.
+config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
+ bool
+
+# Support for delayed migration from interrupt context
config GENERIC_PENDING_IRQ
- def_bool n
+ bool
+# Alpha specific irq affinity mechanism
config AUTO_IRQ_AFFINITY
- def_bool n
-
-config IRQ_PER_CPU
- def_bool n
+ bool
+# Tasklet based software resend for pending interrupts on enable_irq()
config HARDIRQS_SW_RESEND
- def_bool n
+ bool
+
+# Preflow handler support for fasteoi (sparc64)
+config IRQ_PREFLOW_FASTEOI
+ bool
+
+# Edge style eoi based handler (cell)
+config IRQ_EDGE_EOI_HANDLER
+ bool
+
+# Generic configurable interrupt chip implementation
+config GENERIC_IRQ_CHIP
+ bool
+ select IRQ_DOMAIN
+
+# Generic irq_domain hw <--> linux irq number translation
+config IRQ_DOMAIN
+ bool
+
+config IRQ_DOMAIN_DEBUG
+ bool "Expose hardware/virtual IRQ mapping via debugfs"
+ depends on IRQ_DOMAIN && DEBUG_FS
+ help
+ This option will show the mapping relationship between hardware irq
+ numbers and Linux irq numbers. The mapping is exposed via debugfs
+ in the file "irq_domain_mapping".
+
+ If you don't know what this means you don't need it.
+
+# Support forced irq threading
+config IRQ_FORCED_THREADING
+ bool
config SPARSE_IRQ
- bool "Support sparse irq numbering"
- depends on HAVE_SPARSE_IRQ
+ bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
---help---
Sparse irq numbering is useful for distro kernels that want
@@ -50,4 +83,3 @@ config SPARSE_IRQ
If you don't know what to do here, say N.
endmenu
-endif