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Re: [Xen-devel] Problem about dump-core

On 09/17/2014 09:11 AM, Ian Campbell wrote:
> On Wed, 2014-09-17 at 08:50 +0800, Wen Congyang wrote:
>> Yes, we can check it more earlier. If the 4 error bits are set, is it a valid
>> mfn?
> It doesn't really matter, since valid or not you can't pass such an mfn
> to this interface because of the error handling behaviour.

OK. I will update this patch. I think that if such mfn is valid, the user only
should use IOCTL_PRIVCMD_MMAPBATCH_V2 to map it.

Wen Congyang

> Ian.
> .

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