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[Xen-devel] [PATCH] pvh bug fixes

Some rearrangement in linux code causes it to go thru certain hypercalls 
that will cause corruption in xen and crash. I like having a white list for a 
big feature while it goes thru it's adolescence to catch such bugs, but 
whatever. Since, it affects pvh dom0 paths only, I didnt' think it was 
necessary for 4.4.  

Attached patch adds check for it, and also certain paths (iirc it was
from xentrace) causes panic in hvm_hap_nested_page_fault. add a check
in there too.


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