From 4a5f79e7e65d24d2fa9eb6e6208672571704d337 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 3 Nov 2005 15:48:21 +0000 Subject: [ARM SMP] Add configuration option for ARMv6K processors The 'K' extension adds several new instructions to the ARMv6 ISA which are primerily useful for SMP. Signed-off-by: Russell King --- arch/arm/mm/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm/mm') diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 5568403e984..e3c14d6b432 100644 --- 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 -- cgit v1.2.3