On Mon, Nov 25, 2024 at 09:25:14AM -0500, Mathieu Desnoyers wrote:
> Using scoped_guard() in the implementation of trace_##name() adds an
> unnecessary level of indentation.
>
> diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
> index b2633a72e871..e398f6e43f61 100644
> --- a/include/linux/tracepoint.h
> +++ b/include/linux/tracepoint.h
> @@ -259,8 +259,8 @@ static inline struct tracepoint
> *tracepoint_ptr_deref(tracepoint_ptr_t *p)
> { \
> if (static_branch_unlikely(&__tracepoint_##name.key)) { \
> if (cond) { \
> - scoped_guard(preempt_notrace) \
> - __DO_TRACE_CALL(name, TP_ARGS(args)); \
> + guard(preempt_notrace)(); \
> + __DO_TRACE_CALL(name, TP_ARGS(args)); \
> } \
> } \
> if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \
> @@ -275,8 +275,8 @@ static inline struct tracepoint
> *tracepoint_ptr_deref(tracepoint_ptr_t *p)
> { \
> might_fault(); \
> if (static_branch_unlikely(&__tracepoint_##name.key)) { \
> - scoped_guard(rcu_tasks_trace) \
> - __DO_TRACE_CALL(name, TP_ARGS(args)); \
> + guard(rcu_tasks_trace)(); \
> + __DO_TRACE_CALL(name, TP_ARGS(args)); \
> } \
> if (IS_ENABLED(CONFIG_LOCKDEP)) { \
> WARN_ONCE(!rcu_is_watching(), \
Yeah, that also works.
