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Date:	Mon, 8 Sep 2008 01:44:18 +0200
From:	Andi Kleen <>
To:	Jeremy Fitzhardinge <>
Cc:	Ingo Molnar <>,,
	"H. Peter Anvin" <>,
	Xen Devel <>,
	Andi Kleen <>
Subject: Re: [PATCH 6 of 7] x86: use early_ioremap in __acpi_map_table

On Sun, Sep 07, 2008 at 03:21:18PM -0700, Jeremy Fitzhardinge wrote:
> __acpi_map_table() effectively reimplements early_ioremap().  Rather
> than have that duplication, just implement it in terms of
> early_ioremap().
> However, unlike early_ioremap(), __acpi_map_table() just maintains a
> single mapping which gets replaced each call, and has no corresponding
> unmap function.  Implement this by just removing the previous mapping
> each time its called.  Unfortunately, this will leave a stray mapping
> at the end.

It would be better to just fix the ACPI code to unmap.

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