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Re: [Xen-devel] Bad FADT and timer going backwards

To: Stefan Berger <stefanb@xxxxxxxxxx>
Subject: Re: [Xen-devel] Bad FADT and timer going backwards
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Thu, 09 Aug 2007 14:55:54 +0100
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On 9/8/07 14:52, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

> (XEN) ACPI table at 0x3ffcfec0 mapped to address fff9bec0
> (XEN) ACPI table at 0x3ffcdec0 mapped to address fff9bec0

Is it 'ok' that these two different phys. addresses get mapped to the same virtual address?

It’s expected. See the implementation of __acpi_map_table(). For this reason, the pointer returned by __acpi_map_table() is only guaranteed valid until the next invocation of __acpi_map_table().

 -- Keir
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