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SubjectRe: [PATCH] ARC: extable: Enable sorting at build time
On 11/14/2013 10:45 PM, Vineet Gupta wrote:
> Avoids wasting cycles at boot specially on slower simulators
>
> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
> Cc: David Daney <david.daney@cavium.com>
> Cc: Michal Marek <mmarek@suse.cz>
> Cc: Francois Bedard <fbedard@synopsys.com>
> Cc: linux-kernel@vger.kernel.org

I haven't tested it, but this looks sane.

Acked-by: David Daney <david.daney@cavium.com>

I have no opinion about the path this should take towards Linus' tree.

> ---
> arch/arc/Kconfig | 1 +
> scripts/sortextable.c | 5 +++++
> 2 files changed, 6 insertions(+)
>
> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
> index 91dbb2757afd..080580216301 100644
> --- a/arch/arc/Kconfig
> +++ b/arch/arc/Kconfig
> @@ -8,6 +8,7 @@
>
> config ARC
> def_bool y
> + select BUILDTIME_EXTABLE_SORT
> select CLONE_BACKWARDS
> # ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
> select DEVTMPFS if !INITRAMFS_SOURCE=""
> diff --git a/scripts/sortextable.c b/scripts/sortextable.c
> index 7c2310c5b996..e3fb1c36ed0f 100644
> --- a/scripts/sortextable.c
> +++ b/scripts/sortextable.c
> @@ -31,6 +31,10 @@
> #include <tools/be_byteshift.h>
> #include <tools/le_byteshift.h>
>
> +#ifndef EM_ARCOMPACT
> +#define EM_ARCOMPACT 93
> +#endif
> +
> #ifndef EM_AARCH64
> #define EM_AARCH64 183
> #endif
> @@ -244,6 +248,7 @@ do_file(char const *const fname)
> case EM_S390:
> custom_sort = sort_relative_table;
> break;
> + case EM_ARCOMPACT:
> case EM_ARM:
> case EM_AARCH64:
> case EM_MIPS:
>



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