diff options
-rw-r--r-- | kernel/cpu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index cf79bb911371..53cf508f975a 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c | |||
@@ -250,8 +250,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) | |||
250 | set_cpus_allowed_ptr(current, &tmp); | 250 | set_cpus_allowed_ptr(current, &tmp); |
251 | 251 | ||
252 | err = __stop_machine_run(take_cpu_down, &tcd_param, cpu); | 252 | err = __stop_machine_run(take_cpu_down, &tcd_param, cpu); |
253 | 253 | if (err) { | |
254 | if (err || cpu_online(cpu)) { | ||
255 | /* CPU didn't die: tell everyone. Can't complain. */ | 254 | /* CPU didn't die: tell everyone. Can't complain. */ |
256 | if (raw_notifier_call_chain(&cpu_chain, CPU_DOWN_FAILED | mod, | 255 | if (raw_notifier_call_chain(&cpu_chain, CPU_DOWN_FAILED | mod, |
257 | hcpu) == NOTIFY_BAD) | 256 | hcpu) == NOTIFY_BAD) |
@@ -259,6 +258,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) | |||
259 | 258 | ||
260 | goto out_allowed; | 259 | goto out_allowed; |
261 | } | 260 | } |
261 | BUG_ON(cpu_online(cpu)); | ||
262 | 262 | ||
263 | /* Wait for it to sleep (leaving idle task). */ | 263 | /* Wait for it to sleep (leaving idle task). */ |
264 | while (!idle_cpu(cpu)) | 264 | while (!idle_cpu(cpu)) |