linux-kernel - Re: [PATCH] Documentation: memory-barriers: Fix typo in the first example

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Message-ID: <20141203002731.GE25340@linux.vnet.ibm.com>
Date:	Tue, 2 Dec 2014 16:27:31 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Måns Rullgård <mans@...sr.com>
Cc:	Jonathan Corbet <corbet@....net>,
	Srikanth Thokala <sriku.linux@...il.com>,
	linux-doc@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Documentation: memory-barriers: Fix typo in the first
 example

On Wed, Dec 03, 2014 at 12:15:50AM +0000, Måns Rullgård wrote:
> "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> writes:
> 
> > On Tue, Dec 02, 2014 at 05:01:36PM -0500, Jonathan Corbet wrote:
> >> On Tue, 2 Dec 2014 13:50:06 -0800
> >> "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> wrote:
> >> 
> >> > I am guessing that this patch is against an old version of this file
> >> > (there have been two patches applied to this example in the last six
> >> > months).  I believe that the current version is correct, in other words,
> >> > that Alexey Dobriyan and Pranith Kumar beat you to this one.  ;-)
> >> 
> >> I thought it looked familiar somehow...patch dropped.
> >> 
> >> I guess it's comforting to know that so many people are reading that file
> >> so closely, but it's a little scary too...:)
> >
> > What scares me is that so few people appear to have been reading it
> > earlier on.  ;-)
> 
> Or they read it but failed to understand it.  Not sure which is scarier.
> 
> Those are probably the Evil Vendor Tree developers who apparently think
> "this is hard, best put volatile and barriers _everywhere_ and hope for
> the best."

"This is hard!!!  Let's go do some single-threaded programming!"  ;-)

							Thanx, Paul

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