Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762015AbZANMAS (ORCPT ); Wed, 14 Jan 2009 07:00:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761692AbZANL76 (ORCPT ); Wed, 14 Jan 2009 06:59:58 -0500 Received: from moutng.kundenserver.de ([212.227.17.9]:49338 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761657AbZANL75 (ORCPT ); Wed, 14 Jan 2009 06:59:57 -0500 From: Arnd Bergmann To: Philippe De Muyter Subject: Re: linux kernel without file system Date: Wed, 14 Jan 2009 12:59:49 +0100 User-Agent: KMail/1.9.9 Cc: Tomasz Chmielewski , LKML References: <496DA678.1090701@wpkg.org> <20090114093422.GA9771@frolo.macqel> In-Reply-To: <20090114093422.GA9771@frolo.macqel> X-Face: I@=L^?./?$U,EK.)V[4*>`zSqm0>65YtkOe>TFD'!aw?7OVv#~5xd\s,[~w]-J!)|%=]>=?utf-8?q?+=0A=09=7EohchhkRGW=3F=7C6=5FqTmkd=5Ft=3FLZC=23Q-=60=2E=60Y=2Ea=5E?= =?utf-8?q?3zb?=) =?utf-8?q?+U-JVN=5DWT=25cw=23=5BYo0=267C=26bL12wWGlZi=0A=09=7EJ=3B=5Cwg?= =?utf-8?q?=3B3zRnz?=,J"CT_)=\H'1/{?SR7GDu?WIopm.HaBG=QYj"NZD_[zrM\Gip^U MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200901141259.50237.arnd@arndb.de> X-Provags-ID: V01U2FsdGVkX18SWhM3AkBSMtlYiIDFwOr8sXUvbD3Lc7kC5pf uaiJdwjgyfCbwnc69TA9yYP58II1XuJ/SQAnOyc6nUG4QFdBSa 72/NEWRIUMYTiszvR0GBQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 17 On Wednesday 14 January 2009, Philippe De Muyter wrote: > Actually, I was thinking about reducing the footprint of my kernel by > removing all the fs-related system calls, so the problem is not where > the file-system is, but how to access (serial) devices without giving their > "/dev/..." name. One thing that you can do is remove support for block devices in somewhat recent kernels, which gets you most of the way. File systems themselves are required for the majority of all system calls (anything that takes a file descriptor) and for the boot process. Arnd <>< -- 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/