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Subject: Re: [PATCH] x86: SGU UV Add volatile to macros that access chipset
 registers
From: Daniel Walker <dwalker@fifo99.com>
To: Jack Steiner <steiner@sgi.com>
Cc: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org
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Date: Wed, 09 Sep 2009 09:10:00 -0700
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On Wed, 2009-09-09 at 10:42 -0500, Jack Steiner wrote:
> Add "volatile" to the SGI UV read/write macros that are used to access chipset
> memory mapped registers.

There is a considerable document regarding the usage of volatile in the
kernel (Documentation/volatile-considered-harmful.txt). Considering that
document, can you give a more descriptive reason why your using
"volatile" here ?

Daniel