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Subject[PATCH] trace: Remove get/put_cpu() from function_trace_init
Date
Since commit b6f11df26fdc ("trace: Call tracing_reset_online_cpus before
tracer->init()"), get/put_cpu() are not needed anymore.
We can use smp_processor_id() instead.

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
kernel/trace/trace_functions.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index c5095dd28e20..e36fbb935017 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -106,8 +106,7 @@ static int function_trace_init(struct trace_array *tr)

ftrace_init_array_ops(tr, func);

- tr->array_buffer.cpu = get_cpu();
- put_cpu();
+ tr->array_buffer.cpu = smp_processor_id();

tracing_start_cmdline_record();
tracing_start_function_trace(tr);
--
2.17.1
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