Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size

From: Alexander Graf
Date: Sat Dec 06 2014 - 12:24:11 EST

On 04.12.14 19:20, Will Deacon wrote:
> 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.

So how much of a distro do you need? I could probably assemble a simple
very minimalistic rootfs with only bash if that helps.

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