On Thu, 22 Feb 2024 16:26:26 -0800 "Paul E. McKenney" <paulmck@xxxxxxxxxx> wrote: > 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@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Douglas Anderson <dianders@xxxxxxxxxxxx> > Cc: Ankur Arora <ankur.a.arora@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> -- Steve > --- > arch/Kconfig | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/Kconfig b/arch/Kconfig > index c91917b508736..154f994547632 100644 > --- a/arch/Kconfig > +++ b/arch/Kconfig > @@ -55,7 +55,7 @@ config KPROBES > depends on MODULES > depends on HAVE_KPROBES > select KALLSYMS > - select TASKS_RCU if PREEMPTION > + select NEED_TASKS_RCU > help > Kprobes allows you to trap at almost any kernel address and > execute a callback function. register_kprobe() establishes > @@ -104,7 +104,7 @@ config STATIC_CALL_SELFTEST > config OPTPROBES > def_bool y > depends on KPROBES && HAVE_OPTPROBES > - select TASKS_RCU if PREEMPTION > + select NEED_TASKS_RCU > > config KPROBES_ON_FTRACE > def_bool y
