Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754594Ab2BWQeK (ORCPT ); Thu, 23 Feb 2012 11:34:10 -0500 Received: from mail-wi0-f174.google.com ([209.85.212.174]:35512 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753162Ab2BWQeJ (ORCPT ); Thu, 23 Feb 2012 11:34:09 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of jidong.xiao@gmail.com designates 10.180.107.2 as permitted sender) smtp.mail=jidong.xiao@gmail.com; dkim=pass header.i=jidong.xiao@gmail.com MIME-Version: 1.0 In-Reply-To: <4F4661D6.7030809@gmail.com> References: <4F4661D6.7030809@gmail.com> Date: Thu, 23 Feb 2012 11:34:08 -0500 Message-ID: Subject: Re: Can we move device drivers into user-space? From: Jidong Xiao To: Cong Wang Cc: Kernel development list Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 756 Lines: 26 On Thu, Feb 23, 2012 at 10:57 AM, Cong Wang 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/