@@ -2,13 +2,9 @@
menu "IRQ subsystem"
# Options selectable by the architecture code
-# Make sparse irq Kconfig switch below available
-config MAY_HAVE_SPARSE_IRQ
- bool
-
# Legacy support, required for itanic
config GENERIC_IRQ_LEGACY
- bool
+ bool
# Enable the generic irq autoprobe mechanism
config GENERIC_IRQ_PROBE
@@ -16,15 +12,15 @@ config GENERIC_IRQ_PROBE
# Use the generic /proc/interrupts implementation
config GENERIC_IRQ_SHOW
- bool
+ bool
# Print level/edge extra information
config GENERIC_IRQ_SHOW_LEVEL
- bool
+ bool
# Supports effective affinity mask
config GENERIC_IRQ_EFFECTIVE_AFF_MASK
- bool
+ bool
# Support for delayed migration from interrupt context
config GENERIC_PENDING_IRQ
@@ -36,7 +32,7 @@ config GENERIC_IRQ_MIGRATION
# Alpha specific irq affinity mechanism
config AUTO_IRQ_AFFINITY
- bool
+ bool
# Interrupt injection mechanism
config GENERIC_IRQ_INJECTION
@@ -44,16 +40,16 @@ config GENERIC_IRQ_INJECTION
# Tasklet based software resend for pending interrupts on enable_irq()
config HARDIRQS_SW_RESEND
- bool
+ bool
# Edge style eoi based handler (cell)
config IRQ_EDGE_EOI_HANDLER
- bool
+ bool
# Generic configurable interrupt chip implementation
config GENERIC_IRQ_CHIP
- bool
- select IRQ_DOMAIN
+ bool
+ select IRQ_DOMAIN
# Generic irq_domain hw <--> linux irq number translation
config IRQ_DOMAIN
@@ -103,6 +99,10 @@ config HANDLE_DOMAIN_IRQ
config IRQ_TIMINGS
bool
+# Allow to specify the low level IRQ handler at run time.
+config GENERIC_IRQ_MULTI_HANDLER
+ bool
+
config GENERIC_IRQ_MATRIX_ALLOCATOR
bool
@@ -111,20 +111,15 @@ config GENERIC_IRQ_RESERVATION_MODE
# Support forced irq threading
config IRQ_FORCED_THREADING
- bool
+ bool
+# Sparse irq numbering is useful for distro kernels that want
+# to define a high CONFIG_NR_CPUS value but still want to have
+# low kernel memory footprint on smaller machines.
+# Sparse irqs can also be beneficial on NUMA boxes, as they spread
+# out the interrupt descriptors in a more NUMA-friendly way.
config SPARSE_IRQ
- bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
- help
-
- Sparse irq numbering is useful for distro kernels that want
- to define a high CONFIG_NR_CPUS value but still want to have
- low kernel memory footprint on smaller machines.
-
- ( Sparse irqs can also be beneficial on NUMA boxes, as they spread
- out the interrupt descriptors in a more NUMA-friendly way. )
-
- If you don't know what to do here, say N.
+ bool
config GENERIC_IRQ_DEBUGFS
bool "Expose irq internals in debugfs"
@@ -139,8 +134,3 @@ config GENERIC_IRQ_DEBUGFS
If you don't know what to do here, say N.
endmenu
-
-config GENERIC_IRQ_MULTI_HANDLER
- bool
- help
- Allow to specify the low level IRQ handler at run time.
As the last user of MAY_HAVE_SPARSE_IRQ is gone, kill it, and clean up the SPARSE_IRQ description, covert the help text into comment. Also move GENERIC_IRQ_MULTI_HANDLER into menu, and change all spaces to tabs to fix alignment issue. Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- kernel/irq/Kconfig | 50 +++++++++++++++++++--------------------------- 1 file changed, 20 insertions(+), 30 deletions(-)