diff options
| -rw-r--r-- | arch/s390/kernel/smp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index d52d6d211d9f..2b8841f85534 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -665,7 +665,9 @@ __cpu_up(unsigned int cpu) cpu_lowcore->current_task = (unsigned long) idle; cpu_lowcore->cpu_data.cpu_nr = cpu; eieio(); - signal_processor(cpu,sigp_restart); + + while (signal_processor(cpu,sigp_restart) == sigp_busy) + udelay(10); while (!cpu_online(cpu)) cpu_relax(); |