Re: [PATCH] ARM: make OABI default to off

[Nicolas Pitre]

On Wed, 6 Nov 2013, Kees Cook wrote:

> Given recent discussions about the lack of OABI in the wild, switch
> CONFIG_OABI_COMPAT to off-by-default to encourage more system builders
> to avoid it.
> 
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>

> ---
>  arch/arm/Kconfig |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 1ad6fb6c094d..4ace7f33e8a1 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1728,7 +1728,7 @@ config AEABI
>  config OABI_COMPAT
>  	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
>  	depends on AEABI && !THUMB2_KERNEL
> -	default y
> +	default n
>  	help
>  	  This option preserves the old syscall interface along with the
>  	  new (ARM EABI) one. It also provides a compatibility layer to
> @@ -1740,7 +1740,7 @@ config OABI_COMPAT
>  	  can say N here. If this option is not selected and you attempt
>  	  to execute a legacy ABI binary then the result will be
>  	  UNPREDICTABLE (in fact it can be predicted that it won't work
> -	  at all). If in doubt say Y.
> +	  at all). If in doubt say N.
>  
>  config ARCH_HAS_HOLES_MEMORYMODEL
>  	bool
> -- 
> 1.7.9.5
> 
> 
> -- 
> Kees Cook
> Chrome OS Security
> --
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