linux-kernel - Re: [LKML] [PATCH 7/7] xen: Enable grant table and xenbus for PV extension of HVM

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Message-ID: <20100301173858.GJ7881@phenom.dumpdata.com>
Date:	Mon, 1 Mar 2010 12:38:58 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Sheng Yang <sheng@...ux.intel.com>
Cc:	Keir Fraser <keir.fraser@...citrix.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Ian Pratt <Ian.Pratt@...citrix.com>,
	Ian Campbell <Ian.Campbell@...rix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	xen-devel <xen-devel@...ts.xensource.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [LKML] [PATCH 7/7] xen: Enable grant table and xenbus for PV
	extension of HVM

> +/* The region reserved by QEmu for Xen platform device */
> +#define GNTTAB_START	    0xf2000000ul
> +#define GNTTAB_SIZE	    0x20000ul

I thought that in the earlier review you said:

"> > +#define GNTTAB_START           0xfbfe0000ul
> > +#define GNTTAB_SIZE            0x20000ul 
> 
> Is it possible that there would be a PCI device that would be
> passed in the guest that would conflict with the above mentioned
> E820 region?
>
I would change them to a dedicated PCI MMIO address in the next version.
Thanks.

"
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