Re: [Xen-devel] DomU - DomU grant table

["Maslekar, Omkar" <omkar.maslekar@xxxxxxxxx>]

Hi Liu,

From DomU to Dom0 with passing gref works very well and memory shared verified 
by string contents.
However from dom0 to domU ( and similarly between two DomU) if I run same code( 
passing correct ID and gref) I am getting kernel panic error.
I am not setting up channel, I want simple string passing between two DomU.

I followed 
http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg02037.html

Thanks,
Omkar

-----Original Message-----
From: Wei Liu [mailto:wei.liu2@xxxxxxxxxx] 
Sent: Tuesday, August 20, 2013 1:07 AM
To: Maslekar, Omkar
Cc: xen-devel@xxxxxxxxxxxxx; wei.liu2@xxxxxxxxxx
Subject: Re: [Xen-devel] DomU - DomU grant table

On Mon, Aug 19, 2013 at 05:36:09PM +0000, Maslekar, Omkar wrote:
> Hi,
> What changes are needed to run grant table code which access page between two 
> domU.
> 
> I have working code between domU to dom0.
> 

We have driver domain which is DomU serving as backend for another DomU. In 
short grant table just works between DomUs.

You're likely only required to setup the channel (via xenstore with the help 
from toolstack) and everything should hopefully just work.

Wei.

> Thanks,

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> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel


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