linux-kernel - Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA

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Date:	Tue, 15 Dec 2009 13:47:04 -0800
From:	Earl Chew <earl_chew@...lent.com>
To:	"Hans J. Koch" <hjk@...utronix.de>
CC:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, gregkh@...e.de,
	hugh <hugh@...itas.com>, linux-mm <linux-mm@...ck.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA

Hans J. Koch wrote:
> Sorry, I think I wasn't clear enough: The current interface for static
> mappings shouldn't be changed. Dynamically added mappings need a new
> interface.

Thanks for the quick reply.

Are you ok with changes to the (internal) struct uio_device ?

This content of this structure is only known to uio.c and only its
name is exposed through the client visible uio_driver.h.

Earl



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