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-rw-r--r--arch/arm/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ababf41517d..48a0628d93e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -190,6 +190,22 @@ config VECTORS_BASE
help
The base address of exception vectors.
+config ARM_PATCH_PHYS_VIRT
+ bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ depends on !XIP_KERNEL && MMU
+ depends on !ARCH_REALVIEW || !SPARSEMEM
+ help
+ Patch phys-to-virt translation functions at runtime according to
+ the position of the kernel in system memory.
+
+ This can only be used with non-XIP with MMU kernels where
+ the base of physical memory is at a 16MB boundary.
+
+config ARM_PATCH_PHYS_VIRT_16BIT
+ def_bool y
+ depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"