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feafc000
2010 Aug 05
1
How can i get VA from a pfn in HVM guest
Hi,
After i get the pfn in a hvm guest using following code, how can i use it? Simply using __va() seems wrong, for the ( param.value << PAGE_SHIFT ) is feffc000 in my test module, using __va() will overflow.
xen_hvm_param_t param;
param.domid = DOMID_SELF;
param.index = HVM_PARAM_STORE_PFN;
hypercall_hvm_op(HVMOP_get_param, ¶m);
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