Remove GENERIC_HARDIRQ config option

After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

3 files changed, 1 insertions, 15 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
index 35ef1185e359..1ce47553fb02 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -26,6 +26,7 @@ obj-y += sched/
 obj-y += power/
 obj-y += printk/
 obj-y += cpu/
+obj-y += irq/
 
 obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
 obj-$(CONFIG_FREEZER) += freezer.o
@@ -79,7 +80,6 @@ obj-$(CONFIG_KPROBES) += kprobes.o
 obj-$(CONFIG_KGDB) += debug/
 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
 obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
-obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
 obj-$(CONFIG_SECCOMP) += seccomp.o
 obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
 obj-$(CONFIG_TREE_RCU) += rcutree.o
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index d1a758bc972a..4a1fef09f658 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -1,15 +1,4 @@
-# Select this to activate the generic irq options below
-config HAVE_GENERIC_HARDIRQS
-        bool
-
-if HAVE_GENERIC_HARDIRQS
 menu "IRQ subsystem"
-#
-# Interrupt subsystem related configuration options
-#
-config GENERIC_HARDIRQS
-       def_bool y
-
 # Options selectable by the architecture code
 
 # Make sparse irq Kconfig switch below available
@@ -84,4 +73,3 @@ config SPARSE_IRQ
           If you don't know what to do here, say N.
 
 endmenu
-endif
diff --git a/kernel/softirq.c b/kernel/softirq.c
index be3d3514c325..53cc09ceb0b8 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -876,7 +876,6 @@ int __init __weak early_irq_init(void)
         return 0;
 }
 
-#ifdef CONFIG_GENERIC_HARDIRQS
 int __init __weak arch_probe_nr_irqs(void)
 {
         return NR_IRQS_LEGACY;
@@ -886,4 +885,3 @@ int __init __weak arch_early_irq_init(void)
 {
         return 0;
 }
-#endif