Restructure CPU hotplug setup and callback registration in topology_init
so as to be race-free.
---
arch/sparc/kernel/sysfs.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c
index 654e8aa..22cb881 100644
--- a/arch/sparc/kernel/sysfs.c
+++ b/arch/sparc/kernel/sysfs.c
@@ -300,16 +300,14 @@ static int __init topology_init(void)
check_mmu_stats();
- register_cpu_notifier(&sysfs_cpu_nb);
-
for_each_possible_cpu(cpu) {
struct cpu *c = &per_cpu(cpu_devices, cpu);
register_cpu(c, cpu);
- if (cpu_online(cpu))
- register_cpu_online(cpu);
}
+ register_allcpu_notifier(&sysfs_cpu_nb, true, NULL);
+
return 0;
}
--
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