diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2009-11-23 14:49:36 -0700 |
commit | 2cfcadde83b308240690ff1c18f117d8bc7a08b0 (patch) | |
tree | aa0795966d070d1f7a5221232d9ba47744bddb5f /arch/s390/kernel/smp.c | |
parent | e91edcf5a2940bb7f1f316c871dfe9e2aaf9d6d9 (diff) | |
parent | 648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff) |
Merge commit 'v2.6.32-rc8'
Diffstat (limited to 'arch/s390/kernel/smp.c')
-rw-r--r-- | arch/s390/kernel/smp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index c932caa5e850..93e52039321b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -76,7 +76,6 @@ static int cpu_stopped(int cpu) __u32 status; switch (signal_processor_ps(&status, 0, cpu, sigp_sense)) { - case sigp_order_code_accepted: case sigp_status_stored: /* Check for stopped and check stop state */ if (status & 0x50) @@ -638,6 +637,8 @@ void __cpu_die(unsigned int cpu) /* Wait until target cpu is down */ while (!cpu_stopped(cpu)) cpu_relax(); + while (signal_processor_p(0, cpu, sigp_set_prefix) == sigp_busy) + udelay(10); smp_free_lowcore(cpu); pr_info("Processor %d stopped\n", cpu); } @@ -645,8 +646,8 @@ void __cpu_die(unsigned int cpu) void cpu_die(void) { idle_task_exit(); - signal_processor(smp_processor_id(), sigp_stop); - BUG(); + while (signal_processor(smp_processor_id(), sigp_stop) == sigp_busy) + cpu_relax(); for (;;); } |