percpu: use a kconfig variable to signal arch specific percpu setup
The use of the __GENERIC_PERCPU is a bit problematic since arches
may want to run their own percpu setup while using the generic
percpu definitions. Replace it through a kconfig variable.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c17a194..fb85f6b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -42,6 +42,9 @@
bool
default y
+config ARCH_SETS_UP_PER_CPU_AREA
+ def_bool PPC64
+
config IRQ_PER_CPU
bool
default y