linux-kernel - Re: Issues with capability bits and meta-data in kdbus

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Message-ID: <20150424143909.GA21054@dellaz>
Date:	Fri, 24 Apr 2015 16:39:09 +0200
From:	Michele Curti <michele.curti@...il.com>
To:	Olaf Hering <olaf@...fle.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Havoc Pennington <hp@...ox.com>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Tom Gundersen <teg@...m.no>, Jiri Kosina <jkosina@...e.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Daniel Mack <daniel@...que.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: Issues with capability bits and meta-data in kdbus

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
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