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From: Mimi Zohar <>
To: Andrew Morton <>
Subject: Re: [Patch 5/7] integrity: mtime patch for mmap files
Date: Mon, 26 Mar 2007 16:49:07 -0400	[thread overview]
Message-ID: <1174942147.5713.5.camel@localhost.localdomain> (raw)
In-Reply-To: <>

On Sun, 2007-03-25 at 00:26 -0800, Andrew Morton wrote: 
> On Fri, 23 Mar 2007 12:09:58 -0400 Mimi Zohar <> wrote:
> > mmaped files are hashed and hmac'ed properly by EVM after being modified
> > when the file's mtime is updated correctly.  Peter Staubach's 'memory
> > mapped files not updating timestamps v2' patch properly updates the
> > mmapped file's mtime.  In those cases when an application does not
> > first msync the file before calling munmap, the mtime is eventually
> > updated, but not before file_close is called.  This patch forces the
> > mtime for mmaped files to be updated in a timely manner.
> I don't think we've ever had that patch in -mm?

We are basing the EVM code on Peter's '[PATCH] memory mapped files not 
updating timestamps v2' patch on the
assumption that it would be accepted.  I guess that has not yet happened.

Mimi Zohar

      reply	other threads:[~2007-03-26 20:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-23 16:09 Mimi Zohar
2007-03-25  8:26 ` Andrew Morton
2007-03-26 20:49   ` Mimi Zohar [this message]

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