linux-kernel - Re: Can we move device drivers into user-space?

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Message-ID: <4F4661D6.7030809@gmail.com>
Date:	Thu, 23 Feb 2012 23:57:10 +0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Jidong Xiao <jidong.xiao@...il.com>
CC:	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Can we move device drivers into user-space?

On 02/23/2012 12:56 PM, Jidong Xiao wrote:
> Hi,

Hi,

> So is it mainly because the high overhead that prevents the user-space
> device drivers ideas being accepted in Linux?
>

At least UIO drivers are already in Linux kernel, see drivers/uio/.

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