Re: [Xen-devel] [PATCH 3/5] vtdt: Modify vlapic code to add vtdt support

[Keir Fraser <keir@xxxxxxx>]

On 14/12/2010 09:59, "Keir Fraser" <keir@xxxxxxx> wrote:

>>> That's Tim's call. I would personally prefer for Xen to accept
>>> truncated chunks, and extend them with sensible 'old save image' defaults,
>>> such as all-zeroes.
>>> That would be a generic solution to this case which will be reusable
>>> in future, and avoid needlessly creating extra chunk types just for
>>> backward compatibility reasons.
>> 
>> Ok. Let's wait for Tim to answer the call.
> 
> Well I propose the attached patch, and then you can use
> hvm_load_entry_zeroextend() in vlapic.c. I would split this patch into two
> pieces if I apply it (code movement first, then the zeroextend logic).
> 
> It needs an Ack from Tim however.

Forgot to attach the patch. Attached this time.

 -- Keir

Attachment: 00-hvm-restore-zeroextend
Description: Binary data

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