On Tue, 11 Feb 2014 17:33:24 -0800, Laura Abbott <lau...@codeaurora.org> wrote:
> The stack canary for ARM is currently the same across reboots
> due to lack of randomness early enough. Add ARCH_WANT_OF_RANDOMNESS
> to allow devices to add whatever randomness they need.
> 
> Signed-off-by: Laura Abbott <lau...@codeaurora.org>

Do you have a draft patch for a user of this yet?

g.

> ---
>  arch/arm/Kconfig              |    3 +++
>  arch/arm/kernel/vmlinux.lds.S |    1 +
>  2 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index e254198..7ab0db1 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -222,6 +222,9 @@ config NEED_RET_TO_USER
>  config ARCH_MTD_XIP
>       bool
>  
> +config ARCH_WANT_OF_RANDOMNESS
> +     def_bool n
> +
>  config VECTORS_BASE
>       hex
>       default 0xffff0000 if MMU || CPU_HIGH_VECTOR
> diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
> index 7bcee5c..2198258 100644
> --- a/arch/arm/kernel/vmlinux.lds.S
> +++ b/arch/arm/kernel/vmlinux.lds.S
> @@ -202,6 +202,7 @@ SECTIONS
>               INIT_SETUP(16)
>               INIT_CALLS
>               CON_INITCALL
> +             EARLY_RANDOM_FUNCS
>               SECURITY_INITCALL
>               INIT_RAM_FS
>       }
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
> 

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