From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 0/8] Update kernel uabi header files for x32 Date: Tue, 21 Jan 2014 07:43:15 -0800 Message-ID: <52DE9593.9050107@zytor.com> References: <1388182464-28428-1-git-send-email-hjl.tools@gmail.com> <20131228163308.GA1638@infradead.org> <52DD6101.4010708@zytor.com> <20140121120440.GD14830@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:37379 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754783AbaAUPnz (ORCPT ); Tue, 21 Jan 2014 10:43:55 -0500 In-Reply-To: <20140121120440.GD14830@arm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Catalin Marinas Cc: Christoph Hellwig , "H.J. Lu" , linux-arch , LKML , Linus Torvalds , Ralf Baechle , Will Deacon On 01/21/2014 04:04 AM, Catalin Marinas wrote: > > ILP32 for arm64 is still work in progress and subject to change. So far > the preliminary ABI > (http://git.kernel.org/cgit/linux/kernel/git/cmarinas/linux-aarch64.git/log/?h=ilp32) > redefines kernel_(u)long_t is defined as (unsigned) long long. Most of > the syscalls are 64-bit generic with ~23 routed to compat. I would like > to simplify these further and even use native 64-bit signal handling but > it requires some changes to generic structures. > That would be highly useful feedback. -hpa