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Diffstat (limited to 'kernel/trace/trace_branch.c')
-rw-r--r--kernel/trace/trace_branch.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index 95e96842ed29..d594da0dc03c 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -32,6 +32,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
{
struct ftrace_event_call *call = &event_branch;
struct trace_array *tr = branch_tracer;
+ struct trace_array_cpu *data;
struct ring_buffer_event *event;
struct trace_branch *entry;
struct ring_buffer *buffer;
@@ -51,11 +52,12 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
local_irq_save(flags);
cpu = raw_smp_processor_id();
- if (atomic_inc_return(&tr->data[cpu]->disabled) != 1)
+ data = per_cpu_ptr(tr->trace_buffer.data, cpu);
+ if (atomic_inc_return(&data->disabled) != 1)
goto out;
pc = preempt_count();
- buffer = tr->buffer;
+ buffer = tr->trace_buffer.buffer;
event = trace_buffer_lock_reserve(buffer, TRACE_BRANCH,
sizeof(*entry), flags, pc);
if (!event)
@@ -80,7 +82,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
__buffer_unlock_commit(buffer, event);
out:
- atomic_dec(&tr->data[cpu]->disabled);
+ atomic_dec(&data->disabled);
local_irq_restore(flags);
}