Commit 18d14ebd authored by Qiujun Huang's avatar Qiujun Huang Committed by Steven Rostedt (VMware)
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tracing: Remove get/put_cpu() from function_trace_init 

Since commit b6f11df2 ("trace: Call tracing_reset_online_cpus before
tracer->init()"), get/put_cpu() are not needed anymore.
We can use raw_smp_processor_id() instead.

Link: https://lkml.kernel.org/r/20201230140521.31920-1-hqjagain@gmail.com



Signed-off-by: default avatarQiujun Huang <hqjagain@gmail.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent b3ca59f6

kernel/trace/trace_functions.c

+1 −2
Original line number Diff line number Diff line
@@ -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 = raw_smp_processor_id();



	tracing_start_cmdline_record();

	tracing_start_function_trace(tr);