[Xen-users] Using XEN_GUEST_HANDLE

[Yathindra <ydev@xxxxxxxxxxx>]

Hi,

I've been trying to pass a array of structures (user defined) from 
userspace to a my hypercall.
I need to invoke, copy_from_user to copy this array of structures but 
then I noticed we need
to declare this using XEN_GUEST_HANDLE and I tried that but 
copy_from_guest fails.
Could anyone point me in the right direction about how to use 
copy_from_guest / copy_to_guest.
Thanks,
Yathi

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