linux-kernel - Re: [PATCH][v2] uio: Support 36-bit physical addresses on 32-bit systems

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Message-ID: <4E970690.3080207@freescale.com>
Date:	Thu, 13 Oct 2011 10:41:04 -0500
From:	Timur Tabi <timur@...escale.com>
To:	David Laight <David.Laight@...LAB.COM>
CC:	Kumar Gala <galak@...nel.crashing.org>, <linuxppc-dev@...abs.org>,
	<hjk@...sjkoch.de>, <gregkh@...e.de>,
	<linux-kernel@...r.kernel.org>,
	Jiang Kai-B18973 <B18973@...escale.com>
Subject: Re: [PATCH][v2] uio: Support 36-bit physical addresses on 32-bit
 systems

David Laight wrote:
> Since there is a discriminating field, could a union be used?
> At a guess the type of the address is constrained between
> produces and consumer??

I don't think we need to complicate the code by changing that variable into a
union.  I just a want a short comment added to the structure definition.  I
don't think that's asking a lot.

-- 
Timur Tabi
Linux kernel developer at Freescale

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