Re: [Xen-devel] [PATCH] [HVM] [RFC] Moving the e820 table creation into hvmloader

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7/11/06 18:22, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

> This patch moves the creation of the e820 tables from libxc into the
> hvmloader. I have implemented some functions around the e820 tables for
> adding and reserving memory areas. I am using these to build the tables
> and reserve memory for BIOS and ACPI data. ACPI memory area is only
> reserved if ACPI is enabled for the domain.

We can just make the ACPI range statically a page bigger. It's no big loss
(consider that we squander >100kB of memory between 0xC0000 and 0xF0000
right now), and at some point in the near future we'll get rid of the acpi
option and always produce ACPI tables. There are just a few interrupt issues
to sort out first.

The printk patch could be useful, however, since hvmloader is going to get
more complicated in other ways and we'll want to get tracing out of it.

 -- Keir



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