Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755450Ab1BNBxS (ORCPT ); Sun, 13 Feb 2011 20:53:18 -0500 Received: from terminus.zytor.com ([198.137.202.10]:45720 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751546Ab1BNBxO (ORCPT ); Sun, 13 Feb 2011 20:53:14 -0500 Message-ID: <4D588AEC.1040000@zytor.com> Date: Sun, 13 Feb 2011 17:52:44 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7 MIME-Version: 1.0 To: Alan Cox CC: x32-abi@googlegroups.com, "H.J. Lu" , Arnd Bergmann , GCC Development , GNU C Library , LKML , "H. Peter Anvin" Subject: Re: X32 psABI status References: <201102132110.29630.arnd@arndb.de> <4D584A49.80306@zytor.com> <20110213213325.7bcc1a59@lxorguk.ukuu.org.uk> In-Reply-To: <20110213213325.7bcc1a59@lxorguk.ukuu.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 653 Lines: 18 On 02/13/2011 01:33 PM, Alan Cox wrote: > > Who actually needs this new extra API - whats the justification for > everyone having more crud dumping their kernels, more syscall paths > (which are one of the most security critical areas) and the like. > > What are the benchmark numbers to justify this versus just using the > existing kernel interfaces ? > That's what the prototype is meant to show. -hpa -- 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/