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RE: [RFC] transcendent memory for Linux

From:  Dan Magenheimer <>
To:  Pavel Machek <>, Jeremy Fitzhardinge <>
Subject:  RE: [RFC] transcendent memory for Linux
Date:  Thu, 2 Jul 2009 07:03:46 -0700 (PDT)
Message-ID:  <87cb4d6e-dbfe-497b-b651-9b912dc3fbc8@default>
Cc:,,,,,, Avi Kivity <>, Rik van Riel <>,, Rusty Russell <>, Martin Schwidefsky <>,, Marcelo Tosatti <>, Balbir Singh <>,,,, Himanshu Raj <>, Keir Fraser <>
Archive-link:  Article

OK, OK, I give up.  I will ensure all code for shared pools
is removed from the next version of the patch.

Though for future reference, I am interested in what
problems it has other than "just" security (offlist
if you want).

> -----Original Message-----
> From: Pavel Machek []
> > > Yeah, a shared namespace of accessible objects is an entirely 
> > > new thing
> > > in the Xen universe.  I would also drop Xen support until 
> > > there's a good
> > > security story about how they can be used.
> > 
> > While I agree that the security is not bulletproof, I wonder
> > if this position might be a bit extreme.  Certainly, the NSA
> > should not turn on tmem in a cluster, but that doesn't mean that
> > nobody should be allowed to.  I really suspect that there are
> This has more problems than "just" security, and yes, security should
> be really solved at design time...
> 			Pavel

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