diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:54:15 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:59:45 +0100 |
commit | a2e71271535fde493c32803b1f34789f97efcb5e (patch) | |
tree | 90d7139bea2f49e947f27af92614fa6eca50b64d /arch/s390/kernel/smp.c | |
parent | 6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff) | |
parent | b419148e567728f6af0c3b01965c1cc141e3e13a (diff) |
Merge commit 'v2.6.32-rc6' into perf/core
Conflicts:
tools/perf/Makefile
Merge reason: Resolve the conflict, merge to upstream and merge in
perf fixes so we can add a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 c932caa5e85..93e52039321 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 (;;); } |