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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-11-03 15:48:21 +0000 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2005-11-03 15:48:21 +0000 |
| commit | 4a5f79e7e65d24d2fa9eb6e6208672571704d337 (patch) | |
| tree | 44364e64ba8cedf3fbc5c3bb5c79b669dba0c1fd /arch/arm/mm/Kconfig | |
| parent | [PATCH] x86-64: bitops fix for -Os (diff) | |
| download | linux-dev-4a5f79e7e65d24d2fa9eb6e6208672571704d337.tar.xz linux-dev-4a5f79e7e65d24d2fa9eb6e6208672571704d337.zip | |
[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 <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mm/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 5568403e984d..e3c14d6b4328 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 |