Re: [RFC PATCH] trace: prevent preemption in perf_ftrace_function_call()

From: Steven Rostedt
Date: Thu Sep 23 2021 - 23:27:35 EST


On Thu, 23 Sep 2021 23:26:19 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> If it can be scheduled, then RCU is definitely watching ;-)

In other words. Nothing ever gets scheduled into a location that RCU is
not watching.

-- Steve