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Date: Tue, 26 Jan 2010 09:36:47 +0100
From: Jes Sorensen <Jes.Sorensen@redhat.com>
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Subject: [Qemu-devel] Re: [PATCH] QEMU - provide e820 reserve through
	qemu_cfg
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To: Gleb Natapov <gleb@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, KVM General <kvm@vger.kernel.org>, Alexander Graf <agraf@suse.de>, QEMU Developers <qemu-devel@nongnu.org>, Kevin O'Connor <kevin@koconnor.net>, Avi Kivity <avi@redhat.com>

On 01/26/10 07:46, Gleb Natapov wrote:
> On Mon, Jan 25, 2010 at 06:13:35PM +0100, Jes Sorensen wrote:
>> I am fine with having QEMU build the e820 tables completely if there is
>> a consensus to take that path.
>>
> QEMU can't build the e820 map completely. There are things it doesn't
> know. Like how much memory ACPI tables take and where they are located.

Good point!

I think the conclusion is to do a load-extra-tables kinda interface 
allowing QEMU to pass in a bunch of them, but leaving things like the
ACPI space for the BIOS to reserve.

Cheers,
Jes