[ARM SMP] Add configuration option for ARMv6K processors

[deliverable/linux.git] / arch / arm / mm / Kconfig

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 5568403e984df005941f043495ebe5af4a518c5b..e3c14d6b4328fdba14c1b58485142d8b20266325 100644 (file)
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -250,6 +250,18 @@ config CPU_V6
        select CPU_COPY_V6
        select CPU_TLB_V6
 
+# ARMv6k
+config CPU_32v6K
+       bool "Support ARM V6K processor extensions" if !SMP
+       depends on CPU_V6
+       default y if SMP
+       help
+         Say Y here if your ARMv6 processor supports the 'K' extension.
+         This enables the kernel to use some instructions not present
+         on previous processors, and as such a kernel build with this
+         enabled will not boot on processors with do not support these
+         instructions.
+
 # Figure out what processor architecture version we should be using.
 # This defines the compiler instruction set which depends on the machine type.
 config CPU_32v3