linux-kernel - Re: [PATCH] arm64: Enable CONFIG

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Message-ID: <5480A573.4090801@codeaurora.org>
Date:	Thu, 04 Dec 2014 10:18:27 -0800
From:	Laura Abbott <lauraa@...eaurora.org>
To:	Alexander Graf <agraf@...e.de>, linux-kernel@...r.kernel.org
CC:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size

On 12/4/2014 7:46 AM, 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.
>

It's good to see this restriction dropped. Can we put a note somewhere
in the actual Kconfig about the binutils requirement so the requirements
are more obvious?

Thanks,
Laura

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