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Re: [Xen-devel] [RFC Patch] Support for making an E820 PCI hole in tools

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] [RFC Patch] Support for making an E820 PCI hole in toolstack (xl + xm)
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Mon, 15 Nov 2010 17:20:00 +0000
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "bruce.edge@xxxxxxxxx" <bruce.edge@xxxxxxxxx>, Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
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On Mon, 2010-11-15 at 17:03 +0000, Konrad Rzeszutek Wilk wrote:
>  2). It is much simple to parse the E820 in the Linux kernel[...]

The ability to ingest an e820 from the hypervisor is also needed for
dom0 to consume the host e820 so it's not like there is additional code
on the kernel side to cope with this.

Ian.


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