From 02b3c5fcdfe46f9c9dd5d3fc199612b13bf47c06 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 22 Feb 2024 10:25:44 -0800 Subject: [PATCH] tracing: Select new NEED_TASKS_RCU Kconfig option Currently, if a Kconfig option depends on TASKS_RCU, it conditionally does "select TASKS_RCU if PREEMPTION". This works, but requires any change in this enablement logic to be replicated across all such "select" clauses. A new NEED_TASKS_RCU Kconfig option has been created to allow this enablement logic to be in one place in kernel/rcu/Kconfig. Therefore, select the new NEED_TASKS_RCU Kconfig option instead of the old TASKS_RCU option. Signed-off-by: Paul E. McKenney Cc: Steven Rostedt Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Cc: Cc: Ankur Arora Cc: Thomas Gleixner Acked-by: Mark Rutland Signed-off-by: Uladzislau Rezki (Sony) --- kernel/trace/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 61c541c36596..6cdc5ff919b0 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -163,7 +163,7 @@ config TRACING select BINARY_PRINTF select EVENT_TRACING select TRACE_CLOCK - select TASKS_RCU if PREEMPTION + select NEED_TASKS_RCU config GENERIC_TRACER bool @@ -204,7 +204,7 @@ config FUNCTION_TRACER select GENERIC_TRACER select CONTEXT_SWITCH_TRACER select GLOB - select TASKS_RCU if PREEMPTION + select NEED_TASKS_RCU select TASKS_RUDE_RCU help Enable the kernel to trace every kernel function. This is done