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a223535425
pSeries_probe can decide that we are a pseries but then fail to initialise the MMU. If an rtas node doesnt exist, we continually fall out of pSeries_probe_hypertas early and never get to the MMU init code. While pseries without RTAS is an illegal combination, the way we currently fail is a pain to track down, and can happen if your flattened device tree code has issues (like mine did :). With the following patch we init the MMU, come up and print some warnings about RTAS not existing, instead of looping on 0x400 exceptions. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>