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Re: [Xen-devel] Symbol definition not found

from [Tim Deegan]

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To:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject:	Re: [Xen-devel] Symbol definition not found
From:	Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Date:	Sun, 28 Oct 2007 21:51:55 +0000
Cc:	Zhe FANG <pighogswine@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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At 06:26 +0000 on 28 Oct (1193552791), Keir Fraser wrote:
> I think it's constructed by name splicing inside a macro ('_ ## _name', or
> something like that). mfn_x gets constructed the same way.

The definitions have moved around a bit; they're currently in 
include/asm-x86/mm.h, at about line 500 (the TYPE_SAFE macro).
They don't do anything except make it harder to forget to translate
between frame-number spaces -- in the shadow code there's an equivalent
type 'gfn_t' for untranslated frame numbers from the guest's page tables.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508

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