Re: ARM: CONFIG_FRAME_POINTER

[Kevin Hilman <khilman@deeprootsystems.com>]

"Hunter, Jon" <jon-hunter@ti.com> writes:

> Hi Kevin,
>  
>> Did a similar patch for ARM get you a booting kernel using 2007q3?
>
> Yes, the changes needed are the following to get it booting with 2007q3 on the omap3430sdp were the following. Unfortunately it took 4 hours to figure this out and so wanted to share. 
>
> Do you think that the below change should be incorporate in the arch/arm/Kconfig?
>

Yes.  Do you mind sending a patch to linux-arm-kernel?

Kevin

>
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 079aa6a..c61bafb 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -18,6 +18,7 @@ config ARM
>         select HAVE_KRETPROBES if (HAVE_KPROBES)
>         select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
>         select HAVE_GENERIC_DMA_COHERENT
> +       select ARCH_WANT_FRAME_POINTERS
>         help
>           The ARM series is a line of low-power-consumption RISC chip designs
>           licensed by ARM Ltd and targeted at embedded applications and
> diff --git a/arch/arm/configs/omap_3430sdp_defconfig b/arch/arm/configs/omap_3430sdp_defconfig
> index b686f34..1bff450 100644
> --- a/arch/arm/configs/omap_3430sdp_defconfig
> +++ b/arch/arm/configs/omap_3430sdp_defconfig
> @@ -1387,6 +1387,7 @@ CONFIG_DEBUG_INFO=y
>  # CONFIG_DEBUG_MEMORY_INIT is not set
>  # CONFIG_DEBUG_LIST is not set
>  # CONFIG_DEBUG_SG is not set
> +CONFIG_ARCH_WANT_FRAME_POINTERS=y
>  CONFIG_FRAME_POINTER=y
>  # CONFIG_BOOT_PRINTK_DELAY is not set
>  # CONFIG_RCU_TORTURE_TEST is not set