linux-kernel - Re: A proposal

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Message-ID: <20060804214643.GA6407@ccure.user-mode-linux.org>
Date:	Fri, 4 Aug 2006 17:46:43 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	David Lang <dlang@...italinsight.com>
Cc:	Antonio Vargas <windenntw@...il.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...l.org>, jeremy@...source.com,
	greg@...ah.com, zach@...are.com, linux-kernel@...r.kernel.org,
	torvalds@...l.org, hch@...radead.org, jlo@...are.com,
	xen-devel@...ts.xensource.com, simon@...source.com,
	ian.pratt@...source.com, jeremy@...p.org
Subject: Re: A proposal - binary

On Fri, Aug 04, 2006 at 12:49:13PM -0700, David Lang wrote:
> >Why might you have to do that?
> 
> take this with a grain of salt, I'm not saying the particular versions I'm 
> listing would require this
> 
> if your new guest kernel wants to use some new feature (SKAS3, time 
> virtualization, etc) but the older host kernel didn't support some system 
> call nessasary to implement it, you may need to upgrade the host kernel to 
> one that provides the new features.

OK, yeah.

Just making sure you weren't thinking that the UML and host versions
were tied together (although a modern distro won't boot on a 2.6 UML
on a 2.4 host because UML's TLS needs TLS support on the host...).

				Jeff
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