From: Qiujun Huang Date: Wed, 30 Dec 2020 14:05:21 +0000 (+0800) Subject: tracing: Remove get/put_cpu() from function_trace_init X-Git-Tag: v5.15~1683^2~30 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=18d14ebdbd07abdd6466f252d431ce6f0e70e38a;p=platform%2Fkernel%2Flinux-starfive.git tracing: Remove get/put_cpu() from function_trace_init Since commit b6f11df26fdc ("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: Qiujun Huang Signed-off-by: Steven Rostedt (VMware) --- diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index c5095dd..f67aec5 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 = raw_smp_processor_id(); tracing_start_cmdline_record(); tracing_start_function_trace(tr);