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the eHCA driver registers a MR for all of kernel memory, but makes the assumption that valid memory exists at KERNELBASE. This assumption may not be true in the case of a relocatable kernel, so use KERNELBASE + PHYSICAL_START to get the true beginning of usable kernel memory. cc: Joachim Fenkes <fenkes@de.ibm.com> cc: Christoph Raisch <raisch@de.ibm.com> cc: Hoan-Ham Hguyen <hnguyen@de.ibm.com> Signed-off-by: Sonny Rao <sonnyrao@us.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>