linux-kernel - Re: [PATCH v2 0/8] arm64: Support for systems without AArch32 state

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Message-ID: <20160302152429.GE11670@leverpostej>
Date:	Wed, 2 Mar 2016 15:24:30 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Yury Norov <ynorov@...iumnetworks.com>
Cc:	Suzuki K Poulose <suzuki.poulose@....com>,
	linux-arm-kernel@...ts.infradead.org, marc.zyngier@....com,
	catalin.marinas@....com, will.deacon@....com,
	linux-kernel@...r.kernel.org, kvmarm@...ts.cs.columbia.edu,
	christoffer.dall@...aro.org
Subject: Re: [PATCH v2 0/8] arm64: Support for systems without AArch32 state

On Wed, Mar 02, 2016 at 06:07:21PM +0300, Yury Norov wrote:
> ubuntu@...64:~$ uname -a
> Linux arm64 4.5.0-rc5-00019-g3e330b9 #76 SMP PREEMPT Wed Mar 2 17:46:57 MSK 2016 aarch64 aarch64 aarch64 GNU/Linux
> 
> ubuntu@...64:~$ cat /proc/cpuinfo
> processor       : 0-47
> BogoMIPS        : 200.00
> Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics
> CPU implementer : 0x43
> CPU architecture: 8
> CPU variant     : 0x1
> CPU part        : 0x0a1
> CPU revision    : 0

As an aside, please do not hack up custom /proc/cpuinfo formats.

It is a compatibility nightmare for everyone.

Mark.