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Re: [Xen-devel] [PATCH 3/5] vtdt: Modify vlapic code to add vtdt support
| To: | Keir Fraser <keir@xxxxxxx>, "Wei, Gang" <gang.wei@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 3/5] vtdt: Modify vlapic code to add vtdt support |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Tue, 14 Dec 2010 10:01:39 +0000 |
| Cc: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx> |
| Delivery-date: | Tue, 14 Dec 2010 02:04:39 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH 3/5] vtdt: Modify vlapic code to add vtdt support |
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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
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