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From: Trent Lloyd <lathiat@bur.st>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] hostfs / current->fsuid
Date: Wed, 23 Jun 2004 08:48:32 +0800	[thread overview]
Message-ID: <20040623004832.GD18570@thump.bur.st> (raw)
In-Reply-To: <200406222035.06782.blaisorblade_spam@yahoo.it>

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 <lathiat@bur.st>
Bur.st Networking Inc.


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  reply	other threads:[~2004-06-23  0:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-21  3:44 [uml-devel] hostfs / current->fsuid Trent Lloyd
2004-06-22 13:50 ` Cameron Patrick
2004-06-22 18:35   ` BlaisorBlade
2004-06-23  0:48     ` Trent Lloyd [this message]
2004-06-23  4:09       ` [uml-devel] " Sven Köhler
2004-06-23  6:02         ` Trent Lloyd

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