diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index d1b3469b62e3..dfbd86cc4876 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3076,20 +3076,10 @@ static int __tracing_resize_ring_buffer(unsigned long size, int cpu) static ssize_t tracing_resize_ring_buffer(unsigned long size, int cpu_id) { - int cpu, ret = size; + int ret = size; mutex_lock(&trace_types_lock); - tracing_stop(); - - /* disable all cpu buffers */ - for_each_tracing_cpu(cpu) { - if (global_trace.data[cpu]) - atomic_inc(&global_trace.data[cpu]->disabled); - if (max_tr.data[cpu]) - atomic_inc(&max_tr.data[cpu]->disabled); - } - if (cpu_id != RING_BUFFER_ALL_CPUS) { /* make sure, this cpu is enabled in the mask */ if (!cpumask_test_cpu(cpu_id, tracing_buffer_mask)) { @@ -3103,14 +3093,6 @@ static ssize_t tracing_resize_ring_buffer(unsigned long size, int cpu_id) ret = -ENOMEM; out: - for_each_tracing_cpu(cpu) { - if (global_trace.data[cpu]) - atomic_dec(&global_trace.data[cpu]->disabled); - if (max_tr.data[cpu]) - atomic_dec(&max_tr.data[cpu]->disabled); - } - - tracing_start(); mutex_unlock(&trace_types_lock); return ret; |
