diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 85398c71665c..38b0ba65a735 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -637,12 +637,10 @@ void start_secondary(void *unused) vdso_getcpu_init(); #endif - notify_cpu_starting(cpu); - set_cpu_online(cpu, true); /* Update sibling maps */ base = cpu_first_thread_sibling(cpu); for (i = 0; i < threads_per_core; i++) { - if (cpu_is_offline(base + i)) + if (cpu_is_offline(base + i) && (cpu != base + i)) continue; cpumask_set_cpu(cpu, cpu_sibling_mask(base + i)); cpumask_set_cpu(base + i, cpu_sibling_mask(cpu)); @@ -667,6 +665,10 @@ void start_secondary(void *unused) } of_node_put(l2_cache); + smp_wmb(); + notify_cpu_starting(cpu); + set_cpu_online(cpu, true); + local_irq_enable(); cpu_startup_entry(CPUHP_ONLINE); |