linux-kernel - Re: [PATCH 3/3] SPEAr13xx_defconfig: Enable compilation using the latest

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Message-ID: <CAKohponiqtj9zpox6qoTDpA3Fmw9tX7mpyJPv0S5mcTrrd=P3w@mail.gmail.com>
Date:	Fri, 8 Feb 2013 16:25:32 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Vijay Kumar Mishra <vijay.kumar@...com>
Cc:	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, spear-devel@...ex.cro.st.com
Subject: Re: [PATCH 3/3] SPEAr13xx_defconfig: Enable compilation using the latest

On 8 February 2013 16:16, Vijay Kumar Mishra <vijay.kumar@...com> wrote:
> This Patch is to enable CONFIG_AEABI option in kernel. Which basically adds
> support for latest ARMABI (EABI).
>
> It also include support for changes the kernel syscall calling convention to

                                            changing

> disambiguate both ABIs and allow for backward compatibility support.
>
> Without this option the kernel crashes. Crash log is below:
>
> Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
> Exception stack(0xbf873f64 to 0xbf873fac)
> 3f60:          00000020 804725b4 00000001 00000000 bf872000 80498684 803308bc
> 3f80: 80474fe8 bf872000 412fc091 00000000 bf873fb8 bf873fbc bf873fac 80009c50
> 3fa0: 80009c54 60000113 ffffffff
>  r7:bf873f98 r6:ffffffff r5:60000113 r4:80009c54
> [<80009c24>] (default_idle+0x0/0x38) from [<80009e24>] (cpu_idle+0xac/0xf0)
> [<80009d78>] (cpu_idle+0x0/0xf0) from [<803277ec>]
> (secondary_start_kernel+0xec/0x10c)
>  r8:0000406a r7:80498950 r6:10c03c7d r5:00000001 r4:80478bd0
> [<80327700>] (secondary_start_kernel+0x0/0x10c) from [<00326dc8>] (0x326dc8)
>  r5:0
> ---
>  arch/arm/configs/spear13xx_defconfig |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/configs/spear13xx_defconfig b/arch/arm/configs/spear13xx_defconfig
> index 1b5ceff..4e2866d 100644
> --- a/arch/arm/configs/spear13xx_defconfig
> +++ b/arch/arm/configs/spear13xx_defconfig
> @@ -15,6 +15,7 @@ CONFIG_SMP=y
>  # CONFIG_SMP_ON_UP is not set
>  # CONFIG_ARM_CPU_TOPOLOGY is not set
>  CONFIG_VMSPLIT_2G=y
> +CONFIG_AEABI=y
>  CONFIG_ARM_APPENDED_DTB=y
>  CONFIG_ARM_ATAG_DTB_COMPAT=y
>  CONFIG_BINFMT_MISC=y

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
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