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Date: Thu, 01 Feb 2007 22:30:37 -0800
From: "H. Peter Anvin" <hpa@...or.com>
To: Jeff Garzik <jeff@...zik.org>
CC: "Michael K. Edwards" <medwards.linux@...il.com>,
Linux Kernel List <linux-kernel@...r.kernel.org>
Subject: Re: Should io(read|write)(8|16|32)_rep take (const|) volatile u(8|16|32)
__iomem *addr?
Jeff Garzik wrote:
> Volatile is usually reserved for a specific need on a specific arch. I
> doubt it is correct to force it on all arches.
They already are volatile; the issue is adding "const".
All io(read|write)* pointers are volatile, IIRC.
-hpa
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