linux-kernel - Re: [RELEASE] Lguest for 2.6.21

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Message-Id: <1178239389.23670.33.camel@localhost.localdomain>
Date:	Fri, 04 May 2007 10:43:09 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Matt Mackall <mpm@...enic.com>
Cc:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	virtualization <virtualization@...ts.linux-foundation.org>
Subject: Re: [RELEASE] Lguest for 2.6.21

On Fri, 2007-05-04 at 10:13 +1000, Rusty Russell wrote:
> On Thu, 2007-05-03 at 11:02 -0500, Matt Mackall wrote:
> > On Thu, May 03, 2007 at 12:43:48AM +1000, Rusty Russell wrote:
> > > 	http://lguest.ozlabs.org/lguest-2.6.21-254.patch.gz
> > > 
> > > See Documentation/lguest/lguest.txt for how to run,
> > > drivers/lguest/README for the draft code documentation journey.
> > 
> > Your lguest readme is quite lacking in the area of how to configure a
> > guest kernel as opposed to the host kernel. More hand-holding, please.
> 
> Hi Matt!
> 
> 	Ah, that's because they are the same kernel.  Turning on CONFIG_LGUEST
> builds-in the parts needed to be a guest as well.
> 
> Thanks for pointing out that weakness.  I will modify lguest.txt to make
> that clear.

Something like this:

diff -r 940ec1c6ac5a Documentation/lguest/lguest.txt
--- a/Documentation/lguest/lguest.txt	Thu May 03 23:00:19 2007 +1000
+++ b/Documentation/lguest/lguest.txt	Fri May 04 10:17:23 2007 +1000
@@ -23,7 +23,10 @@ Developer features:
 
 Running Lguest:
 
-- You will need to configure your kernel with the following options:
+- Lguest runs the same kernel as guest and host.  You can configure
+  them differently, but usually it's easiest not to.
+
+  You will need to configure your kernel with the following options:
 
   CONFIG_HIGHMEM64G=n ("High Memory Support" "64GB")[1]
   CONFIG_TUN=y/m ("Universal TUN/TAP device driver support")

Cheers,
Rusty.


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