[PATCH rcu 05/12] rcu: Forbid RCU_STRICT_GRACE_PERIOD in TINY_RCU kernels

Paul E. McKenney
2022-06-20T22:21:01Z

The RCU_STRICT_GRACE_PERIOD Kconfig option does nothing in kernels
built with CONFIG_TINY_RCU=y, so this commit adjusts the dependencies
to disallow this combination.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
kernel/rcu/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug
index 9b64e55d4f615..4da05beb13d79 100644
--- a/kernel/rcu/Kconfig.debug
+++ b/kernel/rcu/Kconfig.debug
@@ -121,7 +121,7 @@ config RCU_EQS_DEBUG

config RCU_STRICT_GRACE_PERIOD
bool "Provide debug RCU implementation with short grace periods"
- depends on DEBUG_KERNEL && RCU_EXPERT && NR_CPUS <= 4
+ depends on DEBUG_KERNEL && RCU_EXPERT && NR_CPUS <= 4 && !TINY_RCU
default n
select PREEMPT_COUNT if PREEMPT=n
help
--
2.31.1.189.g2e36527f23