Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758047Ab2BXURN (ORCPT ); Fri, 24 Feb 2012 15:17:13 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:37502 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756122Ab2BXURL (ORCPT ); Fri, 24 Feb 2012 15:17:11 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of gregkh@linuxfoundation.org designates 10.68.73.103 as permitted sender) smtp.mail=gregkh@linuxfoundation.org Date: Fri, 24 Feb 2012 12:16:55 -0800 From: Greg KH To: Henrik Rydberg Cc: Guenter Roeck , Jidong Xiao , Kernel development list Subject: Re: Can we move device drivers into user-space? Message-ID: <20120224201655.GA5994@kroah.com> References: <20120224153811.GA16535@kroah.com> <1330103229.23014.130.camel@groeck-laptop> <20120224171752.GB9485@kroah.com> <20120224183423.GA23284@kroah.com> <20120224191535.GA4505@polaris.bitmath.org> <20120224192643.GB24120@kroah.com> <20120224201027.GA4859@polaris.bitmath.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120224201027.GA4859@polaris.bitmath.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 971 Lines: 19 On Fri, Feb 24, 2012 at 09:10:27PM +0100, Henrik Rydberg wrote: > I am not complaining about the kernel and its driver structure - on > the contrary. I do, however, see a reason why constructing lower-level > interfaces to userspace may be of benefit. The kernel is growing > tremendously fast. Sooner or later, parts of the present driver > responsibility will have to be split into smaller chunks. Why not > place those chunks outside the kernel itself? I fail to understand why you think the growth of the kernel will require drivers to be split into chunks in the future. Are we somehow growing faster than is required / needed / wanted and outstripping the size of what we are allowed to take up on machines? greg k-h -- 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/