Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933123AbbDXOjT (ORCPT ); Fri, 24 Apr 2015 10:39:19 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:35260 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932748AbbDXOjS (ORCPT ); Fri, 24 Apr 2015 10:39:18 -0400 Date: Fri, 24 Apr 2015 16:39:09 +0200 From: Michele Curti To: Olaf Hering Cc: Linus Torvalds , Havoc Pennington , Austin S Hemmelgarn , Andy Lutomirski , "Eric W. Biederman" , Greg Kroah-Hartman , Andrew Morton , Arnd Bergmann , One Thousand Gnomes , Tom Gundersen , Jiri Kosina , Linux Kernel Mailing List , Daniel Mack , David Herrmann , Djalal Harouni Subject: Re: Issues with capability bits and meta-data in kdbus Message-ID: <20150424143909.GA21054@dellaz> References: <87oamhmbso.fsf_-_@x220.int.ebiederm.org> <553788A9.6090006@gmail.com> <20150422143515.GA23155@dellaz> <20150424143212.GA27730@aepfle.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150424143212.GA27730@aepfle.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 912 Lines: 26 On Fri, Apr 24, 2015 at 04:32:12PM +0200, Olaf Hering wrote: > On Wed, Apr 22, Linus Torvalds wrote: > > > Conditional byte order is worse than silly - it's terminally stupid. > > > In other words, think networking, which statically just decided to use > > big-endian. Sure, that was the wrong choice in the end, but even > > Why was that wrong? Any pointers to further details? > http://www.barrgroup.com/Embedded-Systems/How-To/Big-Endian-Little-Endian "Serious run-time performance penalties occur when using TCP/IP on a little endian processor." The Intel x86 and x86-64 series of processors use the little-endian format I think for this reason.. Michele -- 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/