Re: Should io(read|write)(8|16|32)_rep take (const|) volatile u(8|16|32) __iomem *addr?

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To: Jeff Garzik <[email protected]>
Subject: Re: Should io(read|write)(8|16|32)_rep take (const|) volatile u(8|16|32) __iomem *addr?
From: "H. Peter Anvin" <[email protected]>
Date: Thu, 01 Feb 2007 22:30:37 -0800
Cc: "Michael K. Edwards" <[email protected]>, Linux Kernel List <[email protected]>
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
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Jeff Garzik wrote:

Volatile is usually reserved for a specific need on a specific arch. Idoubt 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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