From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Laight <David.Laight@ACULAB.COM>
Subject: RE: Can we drop upstream Linux x32 support?
Date: Fri, 14 Dec 2018 14:38:53 +0000
Message-ID: <d54d7ea7c558474583dfed0d26f05ccd@AcuMS.aculab.com>
References: <CALCETrXoRAibsbWa9nfbDrt0iEuebMnCMhSFg-d9W-J2g8mDjw@mail.gmail.com>
 <70bb54b2-8ed3-b5ee-c02d-6ef66c4f27eb@physik.fu-berlin.de>
 <20181213050313.GA21201@ip-172-31-15-78>
 <CAFLxGvy2sMW1nyMpxGN7xHPdUea713g89MdE3EcUNHJDCvZ3jA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: base64
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <CAFLxGvy2sMW1nyMpxGN7xHPdUea713g89MdE3EcUNHJDCvZ3jA@mail.gmail.com>
Content-Language: en-US
Sender: linux-kernel-owner@vger.kernel.org
To: 'Richard Weinberger' <richard.weinberger@gmail.com>, "kevin@guarana.org" <kevin@guarana.org>
Cc: "glaubitz@physik.fu-berlin.de" <glaubitz@physik.fu-berlin.de>, Andy Lutomirski <luto@kernel.org>, "x86@kernel.org" <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>, "open list:ABI/API" <linux-api@vger.kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>, Borislav Petkov <bp@alien8.de>, "fweimer@redhat.com" <fweimer@redhat.com>, Mike Frysinger <vapier@gentoo.org>, "H.J. Lu" <hjl.tools@gmail.com>, "dalias@libc.org" <dalias@libc.org>, "x32@buildd.debian.org" <x32@buildd.debian.org>, Arnd Bergmann <arnd@arndb.de>, Will Deacon <will.deacon@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Linus Torvalds <torvalds@linux-foundation.org>
List-Id: linux-api@vger.kernel.org
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