Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750742AbXBKRN5 (ORCPT ); Sun, 11 Feb 2007 12:13:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750743AbXBKRN5 (ORCPT ); Sun, 11 Feb 2007 12:13:57 -0500 Received: from ftp.linux-mips.org ([194.74.144.162]:55967 "EHLO ftp.linux-mips.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750742AbXBKRN4 (ORCPT ); Sun, 11 Feb 2007 12:13:56 -0500 Date: Sun, 11 Feb 2007 16:09:42 +0000 From: Ralf Baechle To: David Woodhouse Cc: Heiko Carstens , Davide Libenzi , linux-mips@linux-mips.org, Andrew Morton , Alexey Dobriyan , Linux Kernel Mailing List , Ulrich Drepper Subject: Re: -mm merge plans for 2.6.21 Message-ID: <20070211160941.GA20998@linux-mips.org> References: <20070208150710.1324f6b4.akpm@linux-foundation.org> <1171042535.29713.96.camel@pmac.infradead.org> <20070209134516.2367a7aa.akpm@linux-foundation.org> <1171058342.29713.136.camel@pmac.infradead.org> <20070210102205.GB8145@osiris.boeblingen.de.ibm.com> <1171103527.29713.228.camel@pmac.infradead.org> <20070210213447.GB9116@linux-mips.org> <1171208022.16494.5.camel@shinybook.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1171208022.16494.5.camel@shinybook.infradead.org> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 19 On Sun, Feb 11, 2007 at 04:33:41PM +0100, David Woodhouse wrote: > On Sat, 2007-02-10 at 21:34 +0000, Ralf Baechle wrote: > > Unfortunately struct epoll_event contains a gap so it bets on identical > > padding rules between native and compat ABI and anyway, padding is wasted > > space so the struct members should have been swapped when this structure > > was created. Oh well, too late. > > Indeed. That was the example I was thinking of when I suggested the "no > new syscalls without _simultaneous_ compat version" rule. The need for a compat ABI is not always obvious. Ralf - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/