[PATCH] genirq: cleanup: turn ARCH_HAS_IRQ_PER_CPU into CONFIG_IRQ_PER_CPU

Cleanup: change ARCH_HAS_IRQ_PER_CPU into a Kconfig method.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 856b665..6a1238a 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -28,6 +28,10 @@
 	bool
 	default y
 
+config IRQ_PER_CPU
+	bool
+	default y
+
 config CRIS
 	bool
 	default y
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 5faacbb..b487e22 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -492,6 +492,10 @@
 	depends on GENERIC_HARDIRQS && SMP
 	default y
 
+config IRQ_PER_CPU
+	bool
+	default y
+
 source "arch/ia64/hp/sim/Kconfig"
 
 menu "Instrumentation Support"
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 35e038a..08c2ece 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1618,6 +1618,11 @@
 	bool
 	default y
 
+config IRQ_PER_CPU
+	depends on SMP
+	bool
+	default y
+
 #
 # - Highmem only makes sense for the 32-bit kernel.
 # - The current highmem code will only work properly on physically indexed
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 910fb3a..6dd0ea8 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -51,6 +51,10 @@
 config GENERIC_IRQ_PROBE
 	def_bool y
 
+config IRQ_PER_CPU
+	bool
+	default y
+
 # unless you want to implement ACPI on PA-RISC ... ;-)
 config PM
 	bool
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e2e9df3..d43e452 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -30,6 +30,10 @@
 	bool
 	default y
 
+config IRQ_PER_CPU
+	bool
+	default y
+
 config RWSEM_GENERIC_SPINLOCK
 	bool