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Re: [malware-list] TALPA - a threat model? well sorta.

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From: Theodore Tso <tytso@...>
To: Christoph Hellwig <hch@...>
Cc: Eric Paris <eparis@...>, <tvrtko.ursulin@...>, <alan@...>, <andi@...>, Arjan van de Ven <arjan@...>, <linux-kernel@...>, <malware-list@...>, <malware-list-bounces@...>, <peterz@...>, <viro@...>
Subject: Re: [malware-list] TALPA - a threat model? well sorta.
Date: Thursday, August 14, 2008 - 3:41 pm

On Thu, Aug 14, 2008 at 03:34:08PM -0400, Christoph Hellwig wrote:

We do need a standardized way of enabling it (since it does cost you
something in performance, so not everyone will want it on), and a
standardized way of reading i_version out to userspace.  Maybe a mount
option is the right way to do it, maybe not.

We may want to take this to the linux-fs list and try to get
agreements on these points; the main reason why it's not enabled by
default in ext4 is because the NFSv4 advanced caching code is in
common use (is it even in mainline)?

						- Ted
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TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 12:36 pm)
Re: TALPA - a threat model? well sorta., 7v5w7go9ub0o, (Wed Aug 13, 8:14 pm)
Re: TALPA - a threat model? well sorta., 7v5w7go9ub0o, (Wed Aug 13, 10:25 pm)
Re: TALPA - a threat model? well sorta., Andi Kleen, (Wed Aug 13, 2:17 pm)
Re: TALPA - a threat model? well sorta., Mihai , (Wed Aug 13, 8:18 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Thu Aug 14, 7:58 am)
Re: [malware-list] TALPA - a threat model? well sorta., Mihai , (Thu Aug 14, 8:34 am)
Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 2:40 pm)
Re: TALPA - a threat model? well sorta., H. Peter Anvin, (Wed Aug 13, 2:21 pm)
Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 2:24 pm)
Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 1:39 pm)
Re: TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 12:06 pm)
Re: TALPA - a threat model? well sorta., , (Mon Aug 18, 8:21 am)
Re: TALPA - a threat model? well sorta., Pavel Machek, (Mon Aug 18, 9:30 am)
Re: TALPA - a threat model? well sorta., , (Mon Aug 18, 8:03 pm)
Re: TALPA - a threat model? well sorta., , (Thu Aug 14, 9:31 pm)
Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 2:57 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 5:46 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 9:37 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 9:46 am)
Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 5:39 pm)
Re: TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 10:12 am)
Re: TALPA - a threat model? well sorta., Helge Hafting, (Fri Aug 15, 6:07 am)
Re: TALPA - a threat model? well sorta., , (Fri Aug 15, 6:44 am)
Re: TALPA - a threat model? well sorta., Peter Zijlstra, (Fri Aug 15, 6:37 am)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 9:10 am)
Re: [malware-list] TALPA - a threat model? well sorta., Helge Hafting, (Mon Aug 18, 6:02 am)
RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 12:25 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 12:30 pm)
RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:33 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 1:40 pm)
RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:47 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 2:17 pm)
RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 4:08 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 2:06 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Fri Aug 15, 4:17 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 4:05 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 9:18 am)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Fri Aug 15, 1:04 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 2:09 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Helge Hafting, (Mon Aug 18, 6:09 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Mon Aug 18, 6:25 am)
Re: [malware-list] TALPA - a threat model? well sorta., Peter Zijlstra, (Mon Aug 18, 6:14 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Mon Aug 18, 6:24 am)
Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 11:57 am)
Re: TALPA - a threat model? well sorta., Theodore Tso, (Wed Aug 13, 2:15 pm)
Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 3:02 pm)
Re: TALPA - a threat model? well sorta., Theodore Tso, (Wed Aug 13, 3:29 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 5:30 am)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 9:24 am)
Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 9:48 am)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 11:50 am)
Re: [malware-list] TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 10:37 am)
Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 1:29 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 3:17 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Christoph Hellwig, (Thu Aug 14, 3:34 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 3:41 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 9:44 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 10:04 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Fri Aug 15, 4:51 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 12:48 am)
Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 11:41 pm)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:05 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:36 am)
Re: [malware-list] TALPA - a threat model? well sorta., Johannes Weiner, (Fri Aug 15, 1:12 am)
Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:28 am)
Re: [malware-list] TALPA - a threat model? well sorta., Christoph Hellwig, (Thu Aug 14, 4:20 pm)
Re: [malware-list] TALPA - a threat model? well sorta., J. Bruce Fields, (Thu Aug 14, 5:21 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 7:34 pm)
Re: [malware-list] TALPA - a threat model? well sorta., J. Bruce Fields, (Tue Aug 19, 5:43 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 3:20 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Thu Aug 14, 8:03 am)
RE: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 8:27 am)
Re: [malware-list] TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 10:31 am)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Wed Aug 13, 5:15 pm)
Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 2:21 pm)
Re: TALPA - a threat model? well sorta., , (Thu Aug 14, 5:18 am)
Re: TALPA - a threat model? well sorta., Greg KH, (Wed Aug 13, 12:57 pm)
Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 12:24 pm)
Re: TALPA - a threat model? well sorta., Arnd Bergmann, (Thu Aug 14, 9:00 am)
Re: TALPA - a threat model? well sorta., Christoph Hellwig, (Wed Aug 13, 1:07 pm)
Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 12:47 pm)
Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 12:37 pm)
Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 1:00 pm)
Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 3:59 pm)
RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Wed Aug 13, 5:24 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Rik van Riel, (Wed Aug 13, 5:35 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Jan Harkes, (Fri Aug 15, 4:16 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Fri Aug 15, 6:05 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Sun Aug 17, 7:19 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Mon Aug 18, 11:33 am)
Re: [malware-list] TALPA - a threat model? well sorta., Rik van Riel, (Mon Aug 18, 12:43 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Sun Aug 17, 7:26 pm)
Re: [malware-list] TALPA - a threat model? well sorta., David Collier-Brown, (Sun Aug 17, 5:11 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 5:23 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 11:25 pm)
Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 5:13 pm)