From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1BcvwM-0002iY-Jq for user-mode-linux-devel@lists.sourceforge.net; Tue, 22 Jun 2004 17:48:38 -0700 Received: from click.bur.st ([203.34.17.217]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.30) id 1BcvwM-0008OL-2H for user-mode-linux-devel@lists.sourceforge.net; Tue, 22 Jun 2004 17:48:38 -0700 Received: from thump.bur.st (thud.bur.st [10.1.1.1]) by click.bur.st (Postfix) with ESMTP id 408D88A187 for ; Wed, 23 Jun 2004 08:48:34 +0800 (WST) From: Trent Lloyd Subject: Re: [uml-devel] hostfs / current->fsuid Message-ID: <20040623004832.GD18570@thump.bur.st> References: <20040621034434.GC2735@thump.bur.st> <20040622135044.GG25291@patrick.wattle.id.au> <200406222035.06782.blaisorblade_spam@yahoo.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200406222035.06782.blaisorblade_spam@yahoo.it> Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Wed, 23 Jun 2004 08:48:32 +0800 To: user-mode-linux-devel@lists.sourceforge.net Yes, however NFS has a remarkable ability to fuck up locking more often than not (at least on linux) > Alle 15:50, marted? 22 giugno 2004, Cameron Patrick ha scritto: > > Hi Trent, > > > > Since no-one else has answered yet, I'll have a shot... > > > > On Mon, Jun 21, 2004 at 11:44:35AM +0800, Trent Lloyd wrote: > > | I was looking into trying to modify hostfs so if UML ran as root it > > | would keep the same permissions > > > > I've no idea about modifying hostfs, but have you looked into using > > NFS instead? Sure, it's a security nightmare, but it can't be worse > > than running UML as root! Performance might suck though. > > No, on the uml-user list there are some reports NFS is faster than hostfs (not > actual benchmarks, just feelings): I think that this can be true due to the > super-optimization of NFS gone in for years; also it's difficult to optimize > something when you cannot use inline functions for some things (i.e. the > distinction between userspace and kernelspace files). > > Bye > -- > Paolo Giarrusso, aka Blaisorblade > Linux registered user n. 292729 -- Trent Lloyd Bur.st Networking Inc. ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel