On Wed, 23 Jul 2025 15:17:52 -0700 "Paul E. McKenney" <paul...@kernel.org> wrote:
> I believe that Steve provided me with the essentials for perf and ftrace,
> but please check: f808f53d4e4f ("squash! tracing: Guard __DECLARE_TRACE()
> use of __DO_TRACE_CALL() with SRCU-fast").
Note, there's nothing in the ftrace side that requires preemption disabled,
but it assumes that it is, and adjusts the preempt_count that is recorded
in the trace event to accommodate it.
-- Steve
