You are correct. I found a problem with multiple cores last week, and I have a new patch in testing. I will resubmit it after more testing.
Sorry for the inconvenience. Michael On 01/27/2018 03:52 AM, Michael Ellerman wrote: > Michael Bringmann <m...@linux.vnet.ibm.com> writes: > >> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c >> index b15bae2..0a49231 100644 >> --- a/arch/powerpc/kernel/prom.c >> +++ b/arch/powerpc/kernel/prom.c >> @@ -303,6 +306,71 @@ static void __init >> check_cpu_feature_properties(unsigned long node) >> } >> } >> >> +static void __init early_init_setup_thread_group_mask(unsigned long node, >> + cpumask_t *thread_group_mask) >> +{ >> + const __be32 *thrgrp; >> + int len, rc = 0; >> + u32 cc_type = 0, no_split = 0, thr_per_split = 0; >> + int j, k; >> + >> + cpumask_clear(thread_group_mask); >> + >> + thrgrp = of_get_flat_dt_prop(node, "ibm,thread-groups", &len); >> + if (!thrgrp) >> + return; > > This breaks booting on all my systems. > > cheers > -- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 m...@linux.vnet.ibm.com