diff options
Diffstat (limited to 'lib/smp_processor_id.c')
| -rw-r--r-- | lib/smp_processor_id.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 157d9e31f6c2..c2f5b0f8cacd 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -23,7 +23,12 @@ unsigned int check_preemption_disabled(const char *what1, const char *what2) * Kernel threads bound to a single CPU can safely use * smp_processor_id(): */ - if (cpumask_equal(¤t->cpus_allowed, cpumask_of(this_cpu))) +#if defined(CONFIG_PREEMPT_RT_BASE) && (defined(CONFIG_SMP) || defined(CONFIG_SCHED_DEBUG)) + if (current->migrate_disable) + goto out; +#endif + + if (current->nr_cpus_allowed == 1) goto out; /* |