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f00bed9521
In cpu_ppc_set_papr() the UPRT and GTSE bits of the LPCR default value are initialized based on on ppc64_radix_guest(). Which seems reasonable, except that ppc64_radix_guest() is based on spapr->patb_entry which is only set up in spapr_machine_reset, called _after_ cpu_ppc_set_papr() for boot cpus. Well, and the fact that modifying the SPR default value for an instance rather than a class is kind of yucky. The initialization here is really only necessary or valid for hotplugged cpus; the base cpu initialization already sets a value that's good enough for the boot cpus until the guest uses an hcall to configure it's preferred MMU mode. So, move this initialization to the rtas_start_cpu() path, at which point ppc64_radix_guest() will have a sensible value, to make sure secondary cpus come up in an MMU mode matching the existing cpus. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Cédric Le Goater <clg@kaod.org> Tested-by: Cédric Le Goater <clg@kaod.org> |
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