linux-kernel - Re: [PATCH 3/3] arm64: configs: unset CPU_BIG

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Message-ID: <73701e9f-bee1-7ae8-2277-7a3576171cd4@huawei.com>
Date:   Sat, 12 Oct 2019 15:33:37 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>
CC:     Anders Roxell <anders.roxell@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        John Garry <john.garry@...wei.com>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        Olof Johansson <olof@...om.net>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/3] arm64: configs: unset CPU_BIG_ENDIAN

On 2019/10/11 18:27, Will Deacon wrote:
[...]
> 
> Does anybody use BIG_ENDIAN? If we're not even building it then maybe we
> should get rid of it altogether on arm64. I don't know of any supported
> userspace that supports it or any CPUs that are unable to run little-endian
> binaries.

FWIW, massive telecommunication products (based on ARM64) form Huawei are using
BIG_ENDIAN, and will use BIG_ENDIAN in the near future as well.

Thanks
Hanjun