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

From: Jidong Xiao
Date: Thu Feb 23 2012 - 11:34:08 EST


On Thu, Feb 23, 2012 at 10:57 AM, Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
> 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/.
>

Oh, so does it make sense to move existing device drivers into user
space? For example, move most of the stuff located under drivers/usb
into user-space?

-Jidong
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