[RFC PATCH 2/3] arm64: Add support for asymmetric AArch32 EL0 configurations

[Randy Dunlap]

On 10/8/20 11:16 AM, Qais Yousef wrote:
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 6d232837cbee..591853504dc4 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -1868,6 +1868,20 @@ config DMI
>  
>  endmenu
>  
> +config ASYMMETRIC_AARCH32
> +	bool "Allow support for asymmetric AArch32 support"

Please drop one "support" or reword the prompt string.

> +	depends on COMPAT && EXPERT
> +	help
> +	  Enable this option to allow support for asymmetric AArch32 EL0
> +	  CPU configurations. Once the AArch32 EL0 support is detected
> +	  on a CPU, the feature is made available to user space to allow
> +	  the execution of 32-bit (compat) applications. If the affinity
> +	  of the 32-bit application contains a non-AArch32 capable CPU
> +	  or the last AArch32 capable CPU is offlined, the application
> +	  will be killed.
> +
> +	  If unsure say N.


-- 
~Randy