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Re: [Xen-devel] [PATCH]HVM E820 Table cleanup

from [Gerd Hoffmann]

[Permanent Link][Original]

To:	"Li, Xin B" <xin.b.li@xxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH]HVM E820 Table cleanup
From:	Gerd Hoffmann <kraxel@xxxxxxx>
Date:	Tue, 24 Oct 2006 11:50:18 +0200
Cc:	Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Wang, Winston L" <winston.l.wang@xxxxxxxxx>, Christian.Limpach@xxxxxxxxxxxx
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  Hi,

> According to ACPI spec, OS may use e820 ACPI_DATA region as RAM after OS
> boots up (but acturally Linux doesn't use it).
> But for memory ACPI tables reside, OS can not use like that.

On a related topic: how about the e820 tables itself?  Right now they
are at 0x00090000 (E820_MAP_PAGE), that is within a region listed as
normal RAM, which looks wrong ...

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@xxxxxxx>
http://www.suse.de/~kraxel/julika-dora.jpeg

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