linux-kernel - Re: [PATCH RFC ticketlock] Auto-queued ticketlock

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Message-ID: <20130610211520.GQ5146@linux.vnet.ibm.com>
Date:	Mon, 10 Jun 2013 14:15:20 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, peterz@...radead.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com, edumazet@...gle.com,
	darren@...art.com, fweisbec@...il.com, sbw@....edu,
	torvalds@...ux-foundation.org
Subject: Re: [PATCH RFC ticketlock] Auto-queued ticketlock

On Mon, Jun 10, 2013 at 11:01:50PM +0200, Thomas Gleixner wrote:
> On Mon, 10 Jun 2013, Steven Rostedt wrote:
> > On Sun, 2013-06-09 at 12:36 -0700, Paul E. McKenney wrote:
> > > +#ifdef __BIG_ENDIAN__
> > 
> > Is there such a thing as a BIG_ENDIAN x86 box? This is in
> > arch/x86/include/asm/spinlock_types.h
> 
> That's just an habit for people who have been forced to deal with BE
> CPUs.
> 
> The sad thing is that BE CPUs have been designed by folks who blindly
> expanded BCD computing without understanding the hardware
> implications.
> 
> Unfortunately they managed to inflict BE to the network protocols
> which in turn manifested the only excuse of keeping the BE nonsense
> alive.

Hey, we had to do -something-, after all, EBCDIC lost out to ASCII!!!  ;-)

							Thanx, Paul

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