Re: [Xen-devel] Grant Tables between dom0 and domU?

To:	"Mark Williamson" <mark.williamson@xxxxxxxxxxxx>
Subject:	Re: [Xen-devel] Grant Tables between dom0 and domU?
From:	"pradeep singh rautela" <rautelap@xxxxxxxxx>
Date:	Thu, 19 Apr 2007 10:49:51 +0530
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
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On 4/18/07, Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:

> Subsequent lines suggest mechanism sharing between only unpriviliged
> domains.
>
> Can grant tables be used for this capability based shared memory
> communication between dom0 and domUs?

Yes, using grant tables is an unprivileged operation so any domain can use it
(well, HVM is limited in this respect) - dom0 and domU can share memory if
appropriate.

Thank you, that cleared my doubt.

~psr

This is used by the split Io drivers, etc.

Cheers,
Mark

--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

--
pradeep singh rautela

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Re: [Xen-devel] Grant Tables between dom0 and domU?