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Commitcb5b242c("powerpc/eeh: Escalate error on non-existing PE") escalates the frozen state on non-existing PE to fenced PHB. It was to improve kdump reliability. After that, commit361f2a2a("powrpc/powernv: Reset PHB in kdump kernel") was introduced to issue complete reset on all PHBs to increase the reliability of kdump kernel. Commitcb5b242cbecomes unuseful and it would be reverted. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>