linux-kernel - Re: [PATCH 01/27] [AARCH64] Fix utmp struct for compatibility reasons.

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Message-ID: <13f337ec-9ab8-9d7f-8984-0992ef73ddc7@redhat.com>
Date:	Fri, 24 Jun 2016 13:38:31 +0200
From:	Florian Weimer <fweimer@...hat.com>
To:	Andreas Schwab <schwab@...e.de>, Andrew Pinski <pinskia@...il.com>
Cc:	Yury Norov <ynorov@...iumnetworks.com>,
	Szabolcs Nagy <szabolcs.nagy@....com>,
	GNU C Library <libc-alpha@...rceware.org>,
	LKML <linux-kernel@...r.kernel.org>, nd <nd@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Marcus Shawcroft <marcus.shawcroft@....com>, philb@....org,
	David Miller <davem@...emloft.net>,
	Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
	"Joseph S. Myers" <joseph@...esourcery.com>,
	Andrew Pinski <apinski@...ium.com>
Subject: Re: [PATCH 01/27] [AARCH64] Fix utmp struct for compatibility
 reasons.

On 06/23/2016 09:56 AM, Andreas Schwab wrote:
> Andrew Pinski <pinskia@...il.com> writes:
>
>> So the question becomes do we care enough about the incompatibles
>> between AARCH32 and AARCH64 to fix this and go just worry about ILP32
>> and LP64?
>
> Some armv8 chips do not implement all of armv7, so how relevant is
> aarch32 on aarch64?

I also do not see sufficient justification for this ABI break.

Thanks,
Florian