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tracing: Select new NEED_TASKS_RCU Kconfig option

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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 <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: <linux-trace-kernel@vger.kernel.org>
Cc: Ankur Arora <ankur.a.arora@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
This commit is contained in:
Paul E. McKenney 2024-02-22 10:25:44 -08:00 committed by Uladzislau Rezki (Sony)
parent 900da4d2a5
commit 02b3c5fcdf
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/Kconfig
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@ -163,7 +163,7 @@ config TRACING
select BINARY_PRINTF select BINARY_PRINTF
select EVENT_TRACING select EVENT_TRACING
select TRACE_CLOCK select TRACE_CLOCK
select TASKS_RCU if PREEMPTION select NEED_TASKS_RCU
config GENERIC_TRACER config GENERIC_TRACER
bool bool
@ -204,7 +204,7 @@ config FUNCTION_TRACER
select GENERIC_TRACER select GENERIC_TRACER
select CONTEXT_SWITCH_TRACER select CONTEXT_SWITCH_TRACER
select GLOB select GLOB
select TASKS_RCU if PREEMPTION select NEED_TASKS_RCU
select TASKS_RUDE_RCU select TASKS_RUDE_RCU
help help
Enable the kernel to trace every kernel function. This is done Enable the kernel to trace every kernel function. This is done