Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265907AbTF3VaF (ORCPT ); Mon, 30 Jun 2003 17:30:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265915AbTF3VaE (ORCPT ); Mon, 30 Jun 2003 17:30:04 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.102]:49302 "EHLO e2.ny.us.ibm.com") by vger.kernel.org with ESMTP id S265907AbTF3V25 (ORCPT ); Mon, 30 Jun 2003 17:28:57 -0400 Date: Mon, 30 Jun 2003 14:43:19 -0700 From: Greg KH To: martin f krafft Cc: linux kernel mailing list Subject: Re: restarting a kernel thread Message-ID: <20030630214319.GA27246@kroah.com> References: <20030630194807.GD25566@piper.madduck.net> <20030630203941.GA26216@kroah.com> <20030630213604.GA3974@piper.madduck.net> <20030630194807.GD25566@piper.madduck.net> <20030630203941.GA26216@kroah.com> <20030630213957.GB3974@piper.madduck.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030630213604.GA3974@piper.madduck.net> <20030630213957.GB3974@piper.madduck.net> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1278 Lines: 35 On Mon, Jun 30, 2003 at 11:39:57PM +0200, martin f krafft wrote: > also sprach Greg KH [2003.06.30.2239 +0200]: > > Any reason for not sticking with userspace programs using > > libusb/usbfs? Much easier to write than kernel drivers, and you > > get portibility across a wider range of OSs > > One question: will this have performance issues? We are dealing with > high-resolution motors and sensors, and want to go real-time anyhow > somewhen. Don't know, you will have to test to see if it meets your latency requirements. On Mon, Jun 30, 2003 at 11:36:04PM +0200, martin f krafft wrote: > > Well, that's a good idea. Problem is that the drivers are actually > written by someone else. I just developing with them, and them > a little on the side. > > But I'll pass the word on to the developers. Is this an easy > transition? The interface is quite different from writing a kernel driver, but in the end, simpler, as you can just debug from userspace and not worry about kernel problems. thanks, 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/