From: Shan Wei <[email protected]>
Signed-off-by: Shan Wei <[email protected]>
---
include/trace/ftrace.h | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index a763888..7c9fde7 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -638,7 +638,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call
= &event_##call
* struct trace_entry *ent;
* int __entry_size;
* int __data_size;
- * int __cpu
* int pc;
*
* pc = preempt_count();
@@ -654,7 +653,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call
= &event_##call
* // Protect the non nmi buffer
* // This also protects the rcu read side
* local_irq_save(irq_flags);
- * __cpu = smp_processor_id();
*
* if (in_nmi())
* trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
@@ -664,7 +662,7 @@ __attribute__((section("_ftrace_events"))) *__event_##call
= &event_##call
* if (!trace_buf)
* goto end;
*
- * trace_buf = per_cpu_ptr(trace_buf, __cpu);
+ * trace_buf = this_cpu_ptr(trace_buf);
*
* // Avoid recursion from perf that could mess up the buffer
* if (trace_buf->recursion++)
--
1.7.1
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