linux-kernel - Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app compatibility

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Message-ID: <573D9E40.4000705@hisilicon.com>
Date:	Thu, 19 May 2016 19:06:40 +0800
From:	"Xiaqing (A)" <saberlily.xia@...ilicon.com>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	<will.deacon@....com>, <puck.chen@...ilicon.com>,
	<suzhuangluan@...ilicon.com>, <linaro-kernel@...ts.linaro.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	"Mark Rutland" <mark.rutland@....com>
Subject: Re: [PATCH] arm64: cpuinfo: add AArch64 & elf platform for app
 compatibility



在 2016/5/19 18:49, Catalin Marinas 写道:
> On Thu, May 19, 2016 at 10:44:33AM +0800, x00195127 wrote:
>> we find that some apps will read cpuinfo when start up,
>> they need the string  as follows:
>> "Processor       : AArch64 Processor rev 0 (aarch64)"
>>
>> Then thay could load the corresponding libs. But now
>> arm64 platform's cpuinfo don't has this now, so
>> we need add this.
>
> I have the same question as Martinez: what are those apps? If they are
> 64-bit apps, they can always assume AArch64 processor.
>

Those are 32-bit apps, and those apps are very popular in our country.