[PATCH 25/25] arm64:ilp32: add ARM64_ILP32 to Kconfig

Catalin Marinas catalin.marinas at arm.com
Fri Apr 29 09:03:34 PDT 2016


On Wed, Apr 06, 2016 at 01:08:47AM +0300, Yury Norov wrote:
> +config ARM64_ILP32
> +	bool "Kernel support for ILP32"
> +	select COMPAT_WRAPPER
> +	help
> +	  This option enables support for AArch64 ILP32 user space.  ILP32
> +	  is an ABI where long and pointers are 32bits but it uses the AARCH64
> +	  instruction set.

Is there any penalty for AArch32 tasks when selecting COMPAT_WRAPPER?

-- 
Catalin



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