linux-kernel - Re: [GIT PULL] Native Linux KVM tool for 3.1

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Date:	Mon, 25 Jul 2011 10:36:39 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Pekka Enberg <penberg@...nel.org>
CC:	Anthony Liguori <anthony@...emonkey.ws>,
	torvalds@...ux-foundation.org, mingo@...e.hu,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, gorcunov@...il.com, levinsasha928@...il.com,
	asias.hejun@...il.com, prasadjoshi124@...il.com
Subject: Re: [GIT PULL] Native Linux KVM tool for 3.1

On 07/25/2011 10:27 AM, Pekka Enberg wrote:
> Hi Anthony,
>
> On Mon, Jul 25, 2011 at 4:19 AM, Anthony Liguori<anthony@...emonkey.ws>  wrote:
> >  lguest already does this and lives in the kernel.
>
> Does Lguest have SMP, usermode networking, and GUI support?
>

IIRC, yes, no, and no.

> On Mon, Jul 25, 2011 at 4:19 AM, Anthony Liguori<anthony@...emonkey.ws>  wrote:
> >  So purely from a kernel perspective, why have two tools in the tree that do
> >  the same thing?  Shouldn't you at least unify the userspace with the lguest
> >  userspace?
>
> Are you talking about Documentation/lguest/lguest.c? How would you
> suggest we unify our code with that?

It should be easy to have tools/kvm drive lguest - they're both virtio 
based.  All you need to do is provide yet another ops structure to drive 
the two ABIs.

I guess lguest.c has to remain, as point of lguest was a simple teaching 
aid for virtualization (which doesn't work very well, as the techniques 
it uses are obsolete).

-- 
error compiling committee.c: too many arguments to function

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