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-rw-r--r--kernel/irq/Kconfig37
1 files changed, 23 insertions, 14 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index f92d9a687372..db3d174c53d4 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -24,11 +24,7 @@ config GENERIC_IRQ_SHOW_LEVEL
# Supports effective affinity mask
config GENERIC_IRQ_EFFECTIVE_AFF_MASK
- 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
+ depends on SMP
bool
# Support for delayed migration from interrupt context
@@ -43,14 +39,14 @@ config GENERIC_IRQ_MIGRATION
config AUTO_IRQ_AFFINITY
bool
+# Interrupt injection mechanism
+config GENERIC_IRQ_INJECTION
+ bool
+
# Tasklet based software resend for pending interrupts on enable_irq()
config HARDIRQS_SW_RESEND
bool
-# Preflow handler support for fasteoi (sparc64)
-config IRQ_PREFLOW_FASTEOI
- bool
-
# Edge style eoi based handler (cell)
config IRQ_EDGE_EOI_HANDLER
bool
@@ -68,12 +64,18 @@ config IRQ_DOMAIN
config IRQ_SIM
bool
select IRQ_WORK
+ select IRQ_DOMAIN
# Support for hierarchical irq domains
config IRQ_DOMAIN_HIERARCHY
bool
select IRQ_DOMAIN
+# Support for obsolete non-mapping irq domains
+config IRQ_DOMAIN_NOMAP
+ bool
+ select IRQ_DOMAIN
+
# Support for hierarchical fasteoi+edge and fasteoi+level handlers
config IRQ_FASTEOI_HIERARCHY_HANDLERS
bool
@@ -81,6 +83,8 @@ config IRQ_FASTEOI_HIERARCHY_HANDLERS
# Generic IRQ IPI support
config GENERIC_IRQ_IPI
bool
+ depends on SMP
+ select IRQ_DOMAIN_HIERARCHY
# Generic MSI interrupt support
config GENERIC_MSI_IRQ
@@ -95,9 +99,6 @@ config GENERIC_MSI_IRQ_DOMAIN
config IRQ_MSI_IOMMU
bool
-config HANDLE_DOMAIN_IRQ
- bool
-
config IRQ_TIMINGS
bool
@@ -113,7 +114,7 @@ config IRQ_FORCED_THREADING
config SPARSE_IRQ
bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
- ---help---
+ help
Sparse irq numbering is useful for distro kernels that want
to define a high CONFIG_NR_CPUS value but still want to have
@@ -127,8 +128,9 @@ config SPARSE_IRQ
config GENERIC_IRQ_DEBUGFS
bool "Expose irq internals in debugfs"
depends on DEBUG_FS
+ select GENERIC_IRQ_INJECTION
default n
- ---help---
+ help
Exposes internal state information through debugfs. Mostly for
developers and debugging of hard to diagnose interrupt problems.
@@ -141,3 +143,10 @@ config GENERIC_IRQ_MULTI_HANDLER
bool
help
Allow to specify the low level IRQ handler at run time.
+
+# Cavium Octeon is the last system to use this deprecated option
+# Do not even think of enabling this on any new platform
+config DEPRECATED_IRQ_CPU_ONOFFLINE
+ bool
+ depends on CAVIUM_OCTEON_SOC
+ default CAVIUM_OCTEON_SOC