arch/tile: parameterize system PLs to support KVM port
While not a port to KVM (yet), this change modifies the kernel
to be able to build either at PL1 or at PL2 with a suitable
config switch. Pushing up this change avoids handling branch
merge issues going forward with the KVM work.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 2361e3e..89cfee0 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -96,6 +96,7 @@
config TILE
def_bool y
+ select HAVE_KVM if !TILEGX
select GENERIC_FIND_FIRST_BIT
select GENERIC_FIND_NEXT_BIT
select USE_GENERIC_SMP_HELPERS
@@ -314,6 +315,15 @@
bool "Hardwall support to allow access to user dynamic network"
default y
+config KERNEL_PL
+ int "Processor protection level for kernel"
+ range 1 2
+ default "1"
+ ---help---
+ This setting determines the processor protection level the
+ kernel will be built to run at. Generally you should use
+ the default value here.
+
endmenu # Tilera-specific configuration
menu "Bus options"
@@ -354,3 +364,5 @@
source "crypto/Kconfig"
source "lib/Kconfig"
+
+source "arch/tile/kvm/Kconfig"