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-rw-r--r--lib/smp_processor_id.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
index 1c1dbd300325..046ac6297c78 100644
--- a/lib/smp_processor_id.c
+++ b/lib/smp_processor_id.c
@@ -19,11 +19,7 @@ unsigned int check_preemption_disabled(const char *what1, const char *what2)
if (irqs_disabled())
goto out;
- /*
- * Kernel threads bound to a single CPU can safely use
- * smp_processor_id():
- */
- if (current->nr_cpus_allowed == 1)
+ if (is_percpu_thread())
goto out;
#ifdef CONFIG_SMP