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-rw-r--r--kernel/trace/trace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 0731e81a5bb..672a749dbba 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2432,10 +2432,12 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
2432 if (cpumask_test_cpu(cpu, tracing_cpumask) && 2432 if (cpumask_test_cpu(cpu, tracing_cpumask) &&
2433 !cpumask_test_cpu(cpu, tracing_cpumask_new)) { 2433 !cpumask_test_cpu(cpu, tracing_cpumask_new)) {
2434 atomic_inc(&global_trace.data[cpu]->disabled); 2434 atomic_inc(&global_trace.data[cpu]->disabled);
2435 ring_buffer_record_disable_cpu(global_trace.buffer, cpu);
2435 } 2436 }
2436 if (!cpumask_test_cpu(cpu, tracing_cpumask) && 2437 if (!cpumask_test_cpu(cpu, tracing_cpumask) &&
2437 cpumask_test_cpu(cpu, tracing_cpumask_new)) { 2438 cpumask_test_cpu(cpu, tracing_cpumask_new)) {
2438 atomic_dec(&global_trace.data[cpu]->disabled); 2439 atomic_dec(&global_trace.data[cpu]->disabled);
2440 ring_buffer_record_enable_cpu(global_trace.buffer, cpu);
2439 } 2441 }
2440 } 2442 }
2441 arch_spin_unlock(&ftrace_max_lock); 2443 arch_spin_unlock(&ftrace_max_lock);