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[Xen-devel] Re: The memory type of non-RAM address is WB by default?

To: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
Subject: [Xen-devel] Re: The memory type of non-RAM address is WB by default?
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 23 Oct 2008 11:31:11 +0100
Cc: "Su, Disheng" <disheng.su@xxxxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 23/10/08 11:24, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote:

> Keir Fraser wrote:
>> Well, one approach would be not to warn! :-)
>> 
>> Seriously: for anything which is not guest RAM, the host should
>> really know best what memory type it should be mapped as (probably UC
>> or WC). Hence why mess around validating a guest-requested memory
>> type?
> This method looks good. I'll try to make a patch.

Thanks. I agree this is probably the best approach.

 -- Keir



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