[BitVisor-devel-en:65] How can I convert a gva to gpa?

[hikkikuma1991]

Dear Developers,

I'm a staff of Chinese acadmy of sciences, and my working is about virtual machine introspection, and I'm trying to do it  with Bitvisor.
But I met a problem when I  tried to convert guest virtual address to guest physics address. I copied the void memdump_gvirt(u64 gvirt) fuction in "process/debug.c", but it always returned a VMMERR_PAGE_NOT_PRESENT value to me, so I want to know is this func really works, or how could I use the func to convert a gva? And if it doesn't work, would you mind giving me some advices to finish this func? By the way, my enviroment is bitvisor 1.3 with 64bit Ubuntu 12.04.

Thanks & 
Best Regards,
Augustus Liu(刘丹珂)
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E-Mail:hikkikuma1991 at 163.com
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