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SubjectRe: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size
On Thu, Dec 04, 2014 at 03:46:33PM +0000, Alexander Graf wrote:
> With binutils 2.25 the default alignment for 32bit arm sections changed to
> have everything 64k aligned. Armv7 binaries built with this binutils version
> run successfully on an arm64 system.
>
> Since effectively there is now the chance to run armv7 code on arm64 even
> with 64k page size, it doesn't make sense to block people from enabling
> CONFIG_COMPAT on those configurations.

Is there a distro available that is built with a recent enough binutils for
this? I'd really like to run our regression tests to check that page-size
assumptions don't exist for things like shm.

Will

>
> Signed-off-by: Alexander Graf <agraf@suse.de>
> ---
> arch/arm64/Kconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 9532f8d..3cf4f238 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -409,7 +409,6 @@ source "fs/Kconfig.binfmt"
>
> config COMPAT
> bool "Kernel support for 32-bit EL0"
> - depends on !ARM64_64K_PAGES
> select COMPAT_BINFMT_ELF
> select HAVE_UID16
> select OLD_SIGSUSPEND3
> --
> 1.7.12.4
>
>


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