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[Xen-devel] Reading guest page flags


I'm writing an application that can read/write guest memory, and as part of that I need to check whether the page being manipulated is readable/writable by the guest itself. Does Xen have an API that would allow me to read the flags of an arbitrary page on a guest, given either its address or its PFN? I've only been able to find functions that update the existing memory mappings, but none to read them.
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