[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Memory Layout on Dom0 in PV
On 16/04/2021 15:58, Charles Gonçalves
wrote:
There are a lot of operations you're not permitted to perform on yourself, to prevent problems. I think in this case, Xen is rejecting dom0's attempt to foreign map itself (although -EINVAL would be better than -ESRCH to fail with, IMO), because otherwise we get into reference counting issues IIRC. You'll probably have an easier time asking the dom0 kernel to dump the p2m. After all, its a kernel-owned datastructure, not a Xen-owned structure. ~Andrew
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