Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763192AbZANPYg (ORCPT ); Wed, 14 Jan 2009 10:24:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755348AbZANPY2 (ORCPT ); Wed, 14 Jan 2009 10:24:28 -0500 Received: from mailrelay007.isp.belgacom.be ([195.238.6.173]:25198 "EHLO mailrelay007.isp.belgacom.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753706AbZANPY2 (ORCPT ); Wed, 14 Jan 2009 10:24:28 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AswEAOSSbUnCTtAn/2dsb2JhbACBbMw0hW8 Date: Wed, 14 Jan 2009 16:24:23 +0100 From: Philippe De Muyter To: Rogan Dawes Cc: Xavier Bestel , Tomasz Chmielewski , LKML Subject: Re: linux kernel without file system Message-ID: <20090114152423.GA24562@frolo.macqel> References: <496DA678.1090701@wpkg.org> <20090114093422.GA9771@frolo.macqel> <1231926744.11907.12.camel@skunk> <20090114101828.GA15141@frolo.macqel> <496DF66B.3050609@dawes.za.net> <20090114145239.GB21043@frolo.macqel> <496DFD45.5030408@dawes.za.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <496DFD45.5030408@dawes.za.net> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1358 Lines: 40 On Wed, Jan 14, 2009 at 04:57:09PM +0200, Rogan Dawes wrote: > Philippe De Muyter wrote: > > On Wed, Jan 14, 2009 at 04:27:55PM +0200, Rogan Dawes wrote: > >> Philippe De Muyter wrote: > >> > >>> Keeping thinking about it, I now think that my 'application program' > >>> (basically a serial-to-ethernet converter) should be a kernel thread, > >>> because of the small memory constraints. > >>> > >>> The question is thus how to access the serial lines from a kernel thread. > >>> > >>> Philippe > >> If your constraints are that severe, perhaps you should be investigating > >> other solutions. e.g. eCos? > > > > I like to reuse (and contribute to) the linux drivers and kernel. > > > >> Linux doesn't ALWAYS have to be the answer :-) > > > > No ? :) > > > > Philippe > > > > Ok, in that case, perhaps you should explain exactly what your > constraints are (target board, max memory/flash, etc), and maybe folks > will be able to provide more sensible answers. if possible, mcf52236 (256k flash 32k sram in chip) :) kernel+uapplication XIP in flash they seems to push something called utasker Philippe -- 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/