Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756968Ab2BYPb5 (ORCPT ); Sat, 25 Feb 2012 10:31:57 -0500 Received: from edge2.cs.stonybrook.edu ([130.245.9.211]:59575 "EHLO edge2.cs.stonybrook.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756870Ab2BYPb4 (ORCPT ); Sat, 25 Feb 2012 10:31:56 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of ryao@cs.stonybrook.edu designates 10.42.150.200 as permitted sender) smtp.mail=ryao@cs.stonybrook.edu MIME-Version: 1.0 In-Reply-To: <20120224162109.1bbf157b@redhat.com> References: <4F4661D6.7030809@gmail.com> <20120224162109.1bbf157b@redhat.com> Date: Sat, 25 Feb 2012 10:31:54 -0500 Message-ID: Subject: Re: Can we move device drivers into user-space? From: Richard Yao To: Mauro Carvalho Chehab CC: Jidong Xiao , , Cong Wang , Kernel development list Content-Type: text/plain; charset="ISO-8859-1" X-Originating-IP: [209.85.210.174] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 485 Lines: 10 > The impact of the bug won't also reduce, on most cases, as the userspace driver > will very likely require root capabilities. This is incorrect. root capabilities can be isolated via security frameworks like SELinux. Ring 0 code cannot. -- 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/