Re: [LKML] [PATCH 7/7] xen: Enable grant table and xenbus for PVextension of HVM

From: Konrad Rzeszutek Wilk
Date: Mon Mar 01 2010 - 13:03:21 EST


> +/* 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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